MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 120c6f98f5d7af157bc9db807ebb02d5613b26683df69b1b85544a86aa3f7133. 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: 17


Intelligence 17 IOCs YARA 17 File information Comments
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SHA256 hash: 120c6f98f5d7af157bc9db807ebb02d5613b26683df69b1b85544a86aa3f7133
SHA3-384 hash: f370db00d9b6756a3da1996dba4de889e4b3281a122d21d66571ef19bba7ea06c1e20908a7819682ee98416fef729586
SHA1 hash: 307c9750d341f2c440e9a5b4c130e26ba80a41f0
MD5 hash: bbff6df888207f1dbab8c9cd3ee2282b
humanhash: kilo-xray-hotel-skylark
File name:103_1000RT0382400029_2034090349.exe
Download: download sample
Signature Formbook
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File size:766'464 bytes
First seen:2024-02-14 21:50:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9SqHQkzqHKMbnquIuMyOl8xdBEUne6POHwkkcEFlXHMA1u4/YA8Ov2xjLDCty:9P3z87bqbuMypbEikYXH51uXXco
TLSH T1F2F4F102B6F41F47DB7943F8296155454FFA788BA466E28E4CCA20DE66B5F808E41F33
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
302
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
120c6f98f5d7af157bc9db807ebb02d5613b26683df69b1b85544a86aa3f7133.exe
Verdict:
Malicious activity
Analysis date:
2024-02-14 22:05:45 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/2702cc49-5b6e-4967-997a-f5f5bafe937a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/476235/
Detection(s):
Win.Packed.Formbook-10021419-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed snakekeylogger
Link:
https://www.filescan.io/uploads/65cd35ccea38647add26349b/reports/a34539f2-6fe5-43b3-8447-c9bb041e5ca1/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/120c6f98f5d7af157bc9db807ebb02d5613b26683df69b1b85544a86aa3f7133
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.
Malware family:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/23f8f848-7c47-4266-b1e3-13110965a208
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1392478
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sample uses string decryption to hide its real strings
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1392478 Sample: 103_1000RT0382400029_203409... Startdate: 14/02/2024 Architecture: WINDOWS Score: 100 42 mail.wasstech.com 2->42 44 ip-api.com 2->44 46 api.ipify.org 2->46 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 14 other signatures 2->60 8 103_1000RT0382400029_2034090349.exe 6 2->8         started        12 xAdKvOd.exe 4 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\xAdKvOd.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp36EF.tmp, XML 8->40 dropped 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 8->64 66 Adds a directory exclusion to Windows Defender 8->66 14 RegSvcs.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        68 Antivirus detection for dropped file 12->68 70 Multi AV Scanner detection for dropped file 12->70 72 Machine Learning detection for dropped file 12->72 74 3 other signatures 12->74 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 48 mail.wasstech.com 204.93.196.181, 49714, 49719, 587 SERVERCENTRALUS United States 14->48 50 ip-api.com 208.95.112.1, 49713, 49718, 80 TUT-ASUS United States 14->50 52 api.ipify.org 104.26.13.205, 443, 49712, 49717 CLOUDFLARENETUS United States 14->52 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->76 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->78 80 Tries to steal Mail credentials (via file / registry access) 14->80 82 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 14->82 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        84 Tries to harvest and steal browser information (history, passwords, etc) 24->84 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/120c6f98f5d7af157bc9db807ebb02d5613b26683df69b1b85544a86aa3f7133
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/120c6f98f5d7af157bc9db807ebb02d5613b26683df69b1b85544a86aa3f7133/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
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Status:
Malicious
First seen:
2024-02-12 09:31:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cigg7ghv26xrk66j3oah5oyc2vqtwjtihx3jwg4fkrfinkr7oezq._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240214-1qgmeabd71/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
e0200b0d72cefd0c459e4a938f91e012f6803609cf58eff29ad123a8cc5ce547
MD5 hash:
e19f0ce70df031841dd462ddc3b8c24d
SHA1 hash:
a16e583d1fc56a98926afabaa68fa2dc3f3b48f1
Link:
https://www.unpac.me/results/1b25cd32-5153-48c8-aa96-8eb2b15e5d38/
SH256 hash:
971c821aa19832e04f1dd44b19cdb909d36d27be2f9e62edd10bf7887a43d15a
MD5 hash:
6d7a285502323918820b8513b5f33d75
SHA1 hash:
9633177bbb29c2563fec4a7dd381f4a278588437
Link:
https://www.unpac.me/results/1b25cd32-5153-48c8-aa96-8eb2b15e5d38/
SH256 hash:
a34f96103e74f9c6b357b15459e1bb7e35ad8cff379ff61e13cd2b19a9fd00a7
MD5 hash:
6894675ca6cb44fb0aeb8095b258e4f7
SHA1 hash:
56deda4cdca59b62c449de5ba6ae8c65f709636b
Link:
https://www.unpac.me/results/1b25cd32-5153-48c8-aa96-8eb2b15e5d38/
SH256 hash:
49d0077d2284dfc268051e3ee5a7922c9ae9a711c835f16d2ff50f2fcb8c3e37
MD5 hash:
ef55d2aea2322c4bb08d3f1871c39ba2
SHA1 hash:
00440a750c36dca3b9160c1274ded978543b681e
Detections:
AgentTesla
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win_agent_tesla_g2
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INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Agenttesla_type2
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INDICATOR_SUSPICIOUS_Binary_References_Browsers
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INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/1b25cd32-5153-48c8-aa96-8eb2b15e5d38/
Parent samples :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 hash:
120c6f98f5d7af157bc9db807ebb02d5613b26683df69b1b85544a86aa3f7133
MD5 hash:
bbff6df888207f1dbab8c9cd3ee2282b
SHA1 hash:
307c9750d341f2c440e9a5b4c130e26ba80a41f0
Link:
https://www.unpac.me/results/1b25cd32-5153-48c8-aa96-8eb2b15e5d38/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/120c6f98f5d7/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/120c6f98f5d7af157bc9db807ebb02d5613b26683df69b1b85544a86aa3f7133

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:AgentTeslaV3
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
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
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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
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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
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

File information

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

Malspam

Formbook

Executable exe 120c6f98f5d7af157bc9db807ebb02d5613b26683df69b1b85544a86aa3f7133

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476235/

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