MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82f47775edcdfee28eec89977781595487c5ea5297817e1bdba8739d8efb9ba9. 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: 14


Intelligence 14 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82f47775edcdfee28eec89977781595487c5ea5297817e1bdba8739d8efb9ba9
SHA3-384 hash: 3fa768024230c6394931de638584a56baa780a36ba86b0ba6c8146bf08366592ce3ed5abd8b7a95704b18aa03c36d481
SHA1 hash: fd4896c0ecc4e43a97ac40bba15106b99c253175
MD5 hash: 952d3a2b6a544044e342d796f704f7da
humanhash: fix-may-michigan-ten
File name:Τιμολόγια Μαρτίου_______________________PDF________________________________PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:561'152 bytes
First seen:2024-05-07 08:12:33 UTC
Last seen:2024-05-07 09:30:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ef471c0edf1877cd5a881a6a8bf647b9 (74 x Formbook, 33 x Loki, 29 x Loda)
ssdeep 12288:/Xe9PPlowWX0t6mOQwg1Qd15CcYk0We1FITuFhTKT86VtwWXf:GhloDX0XOf4C0dKT8meQ
TLSH T138C4124588C9CCF2E726A334D0B3CD9165757C328CD16B7C8399E65E7820387E993A6B
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)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
350
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
82f47775edcdfee28eec89977781595487c5ea5297817e1bdba8739d8efb9ba9.exe
Verdict:
Malicious activity
Analysis date:
2024-05-07 08:37:44 UTC
Tags:
evasion agenttesla stealer ftp exfiltration
Link:
https://app.any.run/tasks/b8fd05ab-29e2-4bbf-8186-a7cba1a22c13

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.26871.13679.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
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
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/82f47775edcdfee28eec89977781595487c5ea5297817e1bdba8739d8efb9ba9
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2ffaa923-9302-4792-a7fc-a59baa4894da
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1437329
Signature
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)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/82f47775edcdfee28eec89977781595487c5ea5297817e1bdba8739d8efb9ba9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/82f47775edcdfee28eec89977781595487c5ea5297817e1bdba8739d8efb9ba9/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-05-06 11:06:19 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ql2ho5pnzx7ofdxmrglxpakzksd4l2sss6ax4g63vbzz3dx3touq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan upx
Link:
https://tria.ge/reports/240507-j4f5csga5w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
AutoIT Executable
Suspicious use of SetThreadContext
Looks up external IP address via web service
UPX packed file
AgentTesla
Unpacked files
SH256 hash:
f76de7e13236b109f94997a7e83436a3efa5f63726e392516ba364be5619ca22
MD5 hash:
810e7d4fc23dc3fe58dba275217d9281
SHA1 hash:
ff8a2eacbe7a18906b012b688969e171e5724c35
Detections:
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
MALWARE_Win_AgentTeslaV2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/49f9058e-68af-4cc3-9852-44129eeaccf4/
Parent samples :
ab1af59ee510b2f334a0b719b480ff098463061552c7463347de4dc77757a179
9daee98863d74ccb640adf8fca77a4289ec0365417ca8f981580f219661121e1
79d6406c94d174bea0c9530761db277b76736975683e61db00165155a5f305f3
4f936fd1478ff8c2750edaf9ab108d051002ba894b7ae91c9b7ffcc55dc7ee26
f76de7e13236b109f94997a7e83436a3efa5f63726e392516ba364be5619ca22
ba6a4a13f3440a34d805ece176aafeb3fde6e421845e8947e7123c0b6e5fbd07
46eb5c336c4f1fada81866d3c8a2d40bd6ddaa12f2b23c6543ecc03e956d01ad
c72f90a7d37a764e69747b3efa8474a09e68f478c50769f51225d2e73ae542a8
82f47775edcdfee28eec89977781595487c5ea5297817e1bdba8739d8efb9ba9
ac2afe425743c0f483359c35a4b4c8955eacb74d127c295570b1aba534b03595
3c6f436dc6eedbec2d86196d40608e4e61c1336dddda0187ce0b9b47bfd12449
7ba61c25d453c1ef8a3487c29fd4becd9a49b5f53e963f4db2954aeed9bde8a8
a419ccaf4f503aca90a05b8e2bb16f85e691c36d5fd4847be5d48db9cb5641f4
a8f4efff89b74b63c720cff52221a7e62dc648ac40d3b2f5ab271a1e5d78b7ab
11885a82a89f173bfc56ada0cc3dffd97b8b75f267f1a74bf7e4e2c52af88170
ff28011a44edce3e1e5053e4dd360f389452cb23967d6461df688e38d767ba98
d91d556c48fefc1f1884371fa4277298c37b78d2296a4cf10af7c1f7036f38b8
7fdbb9aa555c42d32185cbdc7059b1523278212d0afb365c6d81abcbc545d047
cad324f3893a5b64f9f2303618c1ebd3600c1abebd5b65d1e6fa8da06c50732c
8051ece7900ddc446f774db64b71f9f3e4306237cd7c78df3cf02e5a79e544b7
57cb889746242f750c9500a2a681bd38db977356ede7aa2e74964a07b2540b3a
ab7b4464b2a5119689da996b9bb77c2148d0c3ddc580ab5ee9de2fb1b2e55c97
33ec0f06bc913fba3c86cb930430135d1898fd1f867d1151f9064fc89779f5ba
SH256 hash:
ead7513d4840cd7e7a5c5e73fa166fc2215e32ef338e6312e1f2349823f5f0b5
MD5 hash:
dd64792ae84876af675ba48044d92fc6
SHA1 hash:
47115691921afc7b9c392d9fe8b3e10430e88f2b
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/49f9058e-68af-4cc3-9852-44129eeaccf4/
SH256 hash:
82f47775edcdfee28eec89977781595487c5ea5297817e1bdba8739d8efb9ba9
MD5 hash:
952d3a2b6a544044e342d796f704f7da
SHA1 hash:
fd4896c0ecc4e43a97ac40bba15106b99c253175
Link:
https://www.unpac.me/results/49f9058e-68af-4cc3-9852-44129eeaccf4/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/82f47775edcd/report/overview.html
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/82f47775edcdfee28eec89977781595487c5ea5297817e1bdba8739d8efb9ba9

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: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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
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
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

Comments