MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2137490a7f27e7699edd8eab00facacac1b28677d9eb3aa4d0cf460e53c5a037. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 15


Intelligence 15 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2137490a7f27e7699edd8eab00facacac1b28677d9eb3aa4d0cf460e53c5a037
SHA3-384 hash: b0c4a6c526462604479887e3da0f765d3e8f06747cd24e25726a16aa065bd49731ef8ed9bb2d973d404a8199d53dc242
SHA1 hash: e63e8877ab7b6401b76c74de3ef66f35ed8c0cf8
MD5 hash: 219590df6ed9a14631105cec91b792b7
humanhash: march-nineteen-cup-green
File name:2137490a7f27e7699edd8eab00facacac1b28677d9eb3aa4d0cf460e53c5a037
Download: download sample
Signature Formbook
Create hunting rule
File size:528'896 bytes
First seen:2025-03-10 12:19:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 12288:CquErHF6xC9D6DmR1J98w4oknqOOCyQfqWlofvSFvOLUZki4WcoUM:Hrl6kD68JmlotQfKSFqaki49oUM
TLSH T1C5B42321EBAAA622D5944931053C7CA4477DD357CA2C839E853CFA4BBC32309BF5DD68
TrID 35.7% (.EXE) UPX compressed Win32 Executable (27066/9/6)
35.0% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
8.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 4f07090d0d014f8c (47 x SnakeKeylogger, 17 x Formbook, 13 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
332
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2137490a7f27e7699edd8eab00facacac1b28677d9eb3aa4d0cf460e53c5a037.exe
Verdict:
Suspicious activity
Analysis date:
2025-03-10 12:35:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6fbf5e29-1138-44bd-b659-228ff45d0972

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cedcac0d1b39e3a208b695
Tags:
autorun autoit lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Sending a custom TCP request
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit compiled-script lolbin microsoft_visual_cc msiexec overlay packed packed packed packer_detected upx
Link:
https://www.filescan.io/uploads/67ced90c3c5f644bd94b2c0c/reports/ec473666-e6b0-4fc7-a030-102a63eab0d6/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/2137490a7f27e7699edd8eab00facacac1b28677d9eb3aa4d0cf460e53c5a037
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9c45db30-ffbd-4911-ab8c-1711ab470ff8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1634487
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1634487 Sample: CPc9DK4Ksb.exe Startdate: 11/03/2025 Architecture: WINDOWS Score: 100 30 ip-api.com 2->30 32 ftp.antoniomayol.com 2->32 34 antoniomayol.com 2->34 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 11 other signatures 2->46 8 CPc9DK4Ksb.exe 6 2->8         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 26 C:\Users\user\AppData\...\parachronism.exe, PE32 8->26 dropped 62 Binary is likely a compiled AutoIt script file 8->62 14 parachronism.exe 3 8->14         started        64 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->64 18 parachronism.exe 2 12->18         started        signatures6 process7 file8 28 C:\Users\user\AppData\...\parachronism.vbs, data 14->28 dropped 66 Antivirus detection for dropped file 14->66 68 Multi AV Scanner detection for dropped file 14->68 70 Binary is likely a compiled AutoIt script file 14->70 76 3 other signatures 14->76 20 RegSvcs.exe 15 2 14->20         started        72 Writes to foreign memory regions 18->72 74 Maps a DLL or memory area into another process 18->74 24 RegSvcs.exe 2 18->24         started        signatures9 process10 dnsIp11 36 antoniomayol.com 162.241.62.63, 21, 48362, 49684 UNIFIEDLAYER-AS-1US United States 20->36 38 ip-api.com 208.95.112.1, 49683, 49690, 80 TUT-ASUS United States 20->38 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->48 50 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->52 54 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 20->54 56 Tries to steal Mail credentials (via file / registry access) 24->56 58 Tries to harvest and steal ftp login credentials 24->58 60 Tries to harvest and steal browser information (history, passwords, etc) 24->60 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2137490a7f27e7699edd8eab00facacac1b28677d9eb3aa4d0cf460e53c5a037
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2137490a7f27e7699edd8eab00facacac1b28677d9eb3aa4d0cf460e53c5a037/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-02-26 07:47:58 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ee3usct7e7twthw5r2vqb6wkzla3fbtx3hvtvjgqz5da4u6fua3q._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan upx
Link:
https://tria.ge/reports/250310-phwwkstrt6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
Loads dropped DLL
AgentTesla
Agenttesla family
Verdict:
Malicious
Tags:
trojan external_ip_lookup
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/d0b68d32-86cf-421d-91bb-a2a4b16392fa
Unpacked files
SH256 hash:
2137490a7f27e7699edd8eab00facacac1b28677d9eb3aa4d0cf460e53c5a037
MD5 hash:
219590df6ed9a14631105cec91b792b7
SHA1 hash:
e63e8877ab7b6401b76c74de3ef66f35ed8c0cf8
Link:
https://www.unpac.me/results/87e35a46-168c-4d7f-858e-727502c5d2fb/
SH256 hash:
820ea5e31483807350db904a054f1b1f92b2bcbf8eda03321e877c1dc06e562f
MD5 hash:
e78614db11e3496fd454108b9dc5767d
SHA1 hash:
2a1b41dc47f554dbb8a20eb6a5c6a9bfd2365baa
Detections:
win_agent_tesla_g2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
MALWARE_Win_AgentTeslaV2
Create hunting rule
Agenttesla_type2
Create hunting rule
Link:
https://www.unpac.me/results/87e35a46-168c-4d7f-858e-727502c5d2fb/
Parent samples :
ed9bfa1f7f07bff0cc174954b4ce718b7bdce2ee763242dbf8475ed5d39ed4b6
4df8ed5e7b1c5dfe367b89b30645ea500581291013faaf500a4de47c329ab8fa
5d9a0c121c55de87c1950e12fcf124ed935f511080e05a87a72f07ea3d350ef7
1fdcd91233a882bf833a62bca1e4dcf3421caf6fb38096b8f462a67c767a6173
7e36d0b2ba5a6b09423738f12a696379d98d61b64d0ed47a5cf6f1c9603bce3c
820ea5e31483807350db904a054f1b1f92b2bcbf8eda03321e877c1dc06e562f
8174eefb544829f0cccab2f0f4ec4086411987be71b6744c27a4c46f47e5873c
7eee1eb6d127253d4b70049f7c69338287b42dfee47a3b4926e5937fd9bd6250
344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2
dd6f99ed2cc3586d2af65cc1b359ccfa3448cde53ca4465f9ffe3e8bc4c86e12
2f1a648c2525b3264d4a3fd9efbefdc0e4126a9880d2c127d45a3b1332fe5825
1d3b464b3dc45eebba5783fd28accfb325cdc50f7b165286c0ec9cbd76521774
95d948e77fdb81bdeee51da079e6e6d7625531f9ec9f897a78df51cabf92974a
2137490a7f27e7699edd8eab00facacac1b28677d9eb3aa4d0cf460e53c5a037
3f9664d0797d2b2018493447b69d6f662642c00ec3b652ab1f61b999609baa63
e768e7a34bed579f0de9d9fdb0ca8d2adf8de7d636ab41d7b37eb230906e9787
f4d970fba03932f2d3ebdb87fc65795a646cfeded5dc236d670bd0559944be72
44e5228cfda6b52b192d2cdbce315ff517d43a087fb4bdde35b33ab197244bc6
f82f264ad6f058381f88f1a6a98315553ac229454e95d2da4260dc897c953016
74ca5aad35d138c31e8cc8bf3a0d3389ab321fac99483f475fa434a6ffd8a6a4
1bcb72b88ea1c633b9572258bfb6643c058e1e9454c3c2df61a87dcec3582678
fc5e50499a1fa723718d4b4624f12284ebb555cb577c4beec266b2bce0567b23
56140cf244531d1e238d942285ad7f4590b40bda2f2c80628d4f081345bb19c4
fd9dbcc0a59475ba77d799f67faeefe4264cbdec6b1a45180bd6104568a5ac52
915cd680a2253acc535668333c7147e97683c9a877b8b71c6256591ff42a2997
SH256 hash:
d6818ec7902ccec5165a4475774a5b6fd776cae0be12f42f1715d50b462e38aa
MD5 hash:
62073d378d58c5c90b8167b355171f81
SHA1 hash:
75cdd9fbf36d971296856043c11b743782c03c27
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/87e35a46-168c-4d7f-858e-727502c5d2fb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2137490a7f27e7699edd8eab00facacac1b28677d9eb3aa4d0cf460e53c5a037

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

Comments