MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bc1c832ba9d3c1e8f6f897ffd34cb96316764b8b04b0fe98b82e6c69c1ae7fc. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8bc1c832ba9d3c1e8f6f897ffd34cb96316764b8b04b0fe98b82e6c69c1ae7fc
SHA3-384 hash: 1a6455eac46d44849db8fc4541edc90544cf8f33f608d9ed6cf3ad75752162496b65162008ba836dc417e804b5c61d73
SHA1 hash: 9d8f73cc0116b7a7624c55b2cc975111d890a1fc
MD5 hash: 0ff07a0e84447ba09c282cae3f8b282b
humanhash: quebec-mango-nebraska-purple
File name:MATERIALS DRAWING NEEDED.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'073'152 bytes
First seen:2021-03-03 21:46:46 UTC
Last seen:2021-03-05 14:35:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:u9E9AmO+0VuCmJh4H9/o1SeRNYzEWLnKRWu3/bQ:utuh4dw11ROFLKRtM
Threatray 2'934 similar samples on MalwareBazaar
TLSH 7835BDE812A97CD4F1B1DF7079F82191A2FAB573E60DE5493466D2FA741A890CB70338
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
4
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MATERIALS DRAWING NEEDED.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-03 21:54:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/aa5ce042-8b27-4c35-a823-d15945bdfc28

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/122120/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36436748.479.27425.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/626829
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Binary contains a suspicious time stamp
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 362402 Sample: MATERIALS DRAWING NEEDED.exe Startdate: 03/03/2021 Architecture: WINDOWS Score: 100 34 smtp.twu-info.us 2->34 36 us2.smtp.mailhostbox.com 2->36 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 9 other signatures 2->56 7 MATERIALS DRAWING NEEDED.exe 3 2->7         started        11 eCwYM.exe 3 2->11         started        13 eCwYM.exe 2 2->13         started        signatures3 process4 file5 32 C:\Users\...\MATERIALS DRAWING NEEDED.exe.log, ASCII 7->32 dropped 58 Injects a PE file into a foreign processes 7->58 15 MATERIALS DRAWING NEEDED.exe 2 9 7->15         started        60 Multi AV Scanner detection for dropped file 11->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->62 64 Machine Learning detection for dropped file 11->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->66 20 eCwYM.exe 2 11->20         started        22 eCwYM.exe 2 13->22         started        24 eCwYM.exe 13->24         started        26 eCwYM.exe 13->26         started        signatures6 process7 dnsIp8 38 smtp.twu-info.us 15->38 40 us2.smtp.mailhostbox.com 208.91.199.223, 49751, 49752, 49754 PUBLIC-DOMAIN-REGISTRYUS United States 15->40 28 C:\Users\user\AppData\Roaming\...\eCwYM.exe, PE32 15->28 dropped 30 C:\Users\user\...\eCwYM.exe:Zone.Identifier, ASCII 15->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Tries to steal Mail credentials (via file access) 15->44 46 Tries to harvest and steal ftp login credentials 15->46 48 3 other signatures 15->48 file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8bc1c832ba9d3c1e8f6f897ffd34cb96316764b8b04b0fe98b82e6c69c1ae7fc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-03 09:21:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rpa4qmv2tu6b5d3prf772nglsyywozfywbfq72mlqltmnha2476a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0b02286faa0d5f7a7c239bbb459252a5dbc499562bba488034c75d8c04e29cd3
AgentTesla
1d380dfada55e561b147894bc58c64b6d7f14e44cfd069df0d15dcb2533e4880
AgentTesla
4b42e00e660b8642f39a05d3b054ee060274b88fb11cb15f2e97b27daaac9efd
AgentTesla
569d9358801eb518b152cb73009131508a3f14b136b0eb80025ccf438865a440
AgentTesla
6a860ade71f3fc590188e4c0a354962bda53c4a64a220a87e65f4cb6cc593df1
AgentTesla
756b62870ec4d9a47422a73e78ae0021ede54b1399c93dbb3f014badb82b9905
AgentTesla
c40b3c5a2696e88864ddb4de1d3f1a9a93d50474908fb50aacda3a7b537b6b5e
AgentTesla
c964743f18f47032f7b0cbfa7467b310927bb44813bd7861d4c85d55d6f34590
AgentTesla
cbf9d4ef21092210f58ad0cbdd4753dbbf785387dd8f3001014672679196c65c
AgentTesla
fad59266b34827f994eba36a030a5abd4c552c3132801afec5fe74c787e10044
AgentTesla
+ 2'924 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210303-1fn5nszw7e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/c55c89ac-aa92-463f-a38e-c8665e4ccc38/
SH256 hash:
8bc1c832ba9d3c1e8f6f897ffd34cb96316764b8b04b0fe98b82e6c69c1ae7fc
MD5 hash:
0ff07a0e84447ba09c282cae3f8b282b
SHA1 hash:
9d8f73cc0116b7a7624c55b2cc975111d890a1fc
Link:
https://www.unpac.me/results/c55c89ac-aa92-463f-a38e-c8665e4ccc38/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/8bc1c832ba9d3c1e8f6f897ffd34cb96316764b8b04b0fe98b82e6c69c1ae7fc

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

zip df8417e73ddd9e14b3b1aef1d67644c68abbcbc949a0537f37478f97b6969d4b

AgentTesla

Executable exe 8bc1c832ba9d3c1e8f6f897ffd34cb96316764b8b04b0fe98b82e6c69c1ae7fc

(this sample)

  
Dropped by
MD5 3f396ce3fb7c64ffc7810a88c0a12aa9
  
Dropped by
SHA256 df8417e73ddd9e14b3b1aef1d67644c68abbcbc949a0537f37478f97b6969d4b
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/122120/

Comments