MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c22a9bb9deef5ea604ec792b755ba95212644f028b52f30629ff297d0dbed6ef. 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


AgentTesla


Vendor detections: 16


Intelligence 16 IOCs YARA 15 File information Comments
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SHA256 hash: c22a9bb9deef5ea604ec792b755ba95212644f028b52f30629ff297d0dbed6ef
SHA3-384 hash: d90f05fef9c754d266c4231be23e6447b03e2216ed974206de1903c5e8ca72276675551df19802cb725e0436bbe9c75b
SHA1 hash: fc6912398d81d3d0e24d3f72732753f44b8244a6
MD5 hash: fcf8f4ed581e54a082dbee6b36db053a
humanhash: alaska-kansas-blossom-arizona
File name:Omvpbu.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'070'080 bytes
First seen:2024-02-15 14:41:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:WdLCgF6Oi5Q8o3efnLOkmaZVAeEjPJ2Y/Wq:TgTiGevikmaZaeiwY/Wq
Threatray 875 similar samples on MalwareBazaar
TLSH T19735E010978AC686E49F2F75A46570048AF0FD6E629FDFB74C94A5F83C03B49D84E4A3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
c22a9bb9deef5ea604ec792b755ba95212644f028b52f30629ff297d0dbed6ef.exe
Verdict:
Malicious activity
Analysis date:
2024-02-15 14:43:54 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/7131655a-2f1d-4c69-b19e-53edb0212846

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/476348/
Detection(s):
Win.Packed.Seraph-10016137-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65ce22c094e713aa52996043/reports/c7f5d998-7760-4742-ae5a-3ed533968df1/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/c22a9bb9deef5ea604ec792b755ba95212644f028b52f30629ff297d0dbed6ef
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/bf326a22-0ba5-4501-8928-c58b45905191
Result
Threat name:
AgentTesla, PureLog Stealer
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1392899
Signature
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1392899 Sample: Omvpbu.exe Startdate: 15/02/2024 Architecture: WINDOWS Score: 100 40 mail.emulines.biz 2->40 42 emulines.biz 2->42 44 api.ipify.org 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 7 other signatures 2->52 7 Omvpbu.exe 1 5 2->7         started        11 Mhnowftbn.exe 5 2->11         started        13 sBRfm.exe 5 2->13         started        15 2 other processes 2->15 signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\Mhnowftbn.exe, PE32 7->34 dropped 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->64 66 Creates multiple autostart registry keys 7->66 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->68 17 Omvpbu.exe 16 5 7->17         started        70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 22 Mhnowftbn.exe 14 4 11->22         started        24 sBRfm.exe 13->24         started        26 Mhnowftbn.exe 15->26         started        28 sBRfm.exe 15->28         started        signatures6 process7 dnsIp8 36 emulines.biz 209.133.204.178, 587 HVC-ASUS United States 17->36 38 api.ipify.org 104.26.13.205, 443, 49729, 49731 CLOUDFLARENETUS United States 17->38 30 C:\Users\user\AppData\Roaming\...\sBRfm.exe, PE32 17->30 dropped 32 C:\Users\user\...\sBRfm.exe:Zone.Identifier, ASCII 17->32 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->54 56 Tries to steal Mail credentials (via file / registry access) 17->56 58 Creates multiple autostart registry keys 17->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->60 62 Tries to harvest and steal browser information (history, passwords, etc) 28->62 file9 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c22a9bb9deef5ea604ec792b755ba95212644f028b52f30629ff297d0dbed6ef
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c22a9bb9deef5ea604ec792b755ba95212644f028b52f30629ff297d0dbed6ef/
Threat name:
Win32.Trojan.Generic
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Status:
Malicious
First seen:
2024-02-15 06:41:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yivjxoo655pkmbhmpevxkw5jkijgitycrnjpgbrj74ux2dn623xq._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
Create hunting rule
Similar samples:
3d006b91ab0c95d886dc7d54180b846596885fd53cf2c8d54e03fb5e8304776e
AgentTesla
3e0693763c73e9bfa7f66c47625abc09b3ea401219602809a7ec9c258731cbf5
AgentTesla
538fae7a39b9c84de1c936e9328b213401f60f05bb0e3fa40da213c9a2aff8db
AgentTesla
7c9b9c10b0e27c46d702d953fe03ed154d576554d9bce34c2a545ec445262d4d
AgentTesla
87e7fce64ab334392c6676f01885c5210b1b3235a76314d1326b6eb285978ffb
AgentTesla
ab38891963c65c3ceb20c156563adf234b3fe26116dc2496e10f463b74df27e9
AgentTesla
f2a3d321b3fbb2d3be23e5416a82b92d9aa73c3573ef0630d0570483ced8a731
AgentTesla
+ 865 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240215-r2z4fshh93/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
29cf922819f29472f2bdb0def4be07f031e0c06e70501f1855058c4cab6f29b1
MD5 hash:
eef54b01fc88899c76486d7b1a58427c
SHA1 hash:
d006dfe18a7a6ab51c74437ca43b819796123e7d
Link:
https://www.unpac.me/results/4b393b6a-72cd-4bd2-8bff-6b4f2225c831/
SH256 hash:
78b556fa8bcee70f71aa3e9eafe88ebb4e05a724d2685fdb919a425b10b9e0cc
MD5 hash:
ac8f713b55d5ef4bb4885a8cc0c25fdd
SHA1 hash:
9df3075d8225a4441da80dd53d411728779e0927
Link:
https://www.unpac.me/results/4b393b6a-72cd-4bd2-8bff-6b4f2225c831/
SH256 hash:
7e8664b1a608d986c37135139c6bbe726554422fe68928886bdc02bdbdeafc4c
MD5 hash:
f8bbb63609a1a38949591fcc95af0fb5
SHA1 hash:
9245cd8988e5b28908e698d9e651edf97b6dc240
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
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_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/4b393b6a-72cd-4bd2-8bff-6b4f2225c831/
Parent samples :
f2a3d321b3fbb2d3be23e5416a82b92d9aa73c3573ef0630d0570483ced8a731
974bc563cc88df7e7133c1cdc06fce86f550ba2ef72ed6702d99d368c2675cc6
760ce8c50b699024ce487ce6ecbfed434637b263088d56fdae65eeeeb3e3cba4
c22a9bb9deef5ea604ec792b755ba95212644f028b52f30629ff297d0dbed6ef
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/4b393b6a-72cd-4bd2-8bff-6b4f2225c831/
SH256 hash:
c22a9bb9deef5ea604ec792b755ba95212644f028b52f30629ff297d0dbed6ef
MD5 hash:
fcf8f4ed581e54a082dbee6b36db053a
SHA1 hash:
fc6912398d81d3d0e24d3f72732753f44b8244a6
Link:
https://www.unpac.me/results/4b393b6a-72cd-4bd2-8bff-6b4f2225c831/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c22a9bb9deef/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/c22a9bb9deef5ea604ec792b755ba95212644f028b52f30629ff297d0dbed6ef

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
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
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_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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
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Author:malware-lu
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: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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/476348/

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