MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc57e420dec21d7e6a08748c9a531cbdbddf2251e656492521a4f16b692c23f5. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc57e420dec21d7e6a08748c9a531cbdbddf2251e656492521a4f16b692c23f5
SHA3-384 hash: 3884067533a949af3dd5dcc7c4ea2d6be8dc1c59ec3fc609445b6841156b1f67b3364b381cdbe87bf30f002f33abf2ea
SHA1 hash: 5cffca028593478cb248813e315b834559e7a800
MD5 hash: c857c6373623587f6a5d763900b1437b
humanhash: friend-west-sodium-mirror
File name:MT. TIGER KNIGHT_Ship doc.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:632'320 bytes
First seen:2021-06-18 10:41:38 UTC
Last seen:2021-06-22 06:37:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Sej00T45Ld3ksRLgCOcMEonF8+7iY7rCW1zRnWaI2i2:LbMJdZnOczG7iWr518aI2i2
Threatray 6'189 similar samples on MalwareBazaar
TLSH 63D4CE377406E06DC637C0BE6451E099BE630E231DF2961A23C877BD693B665BA31F06
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MT. TIGER KNIGHT_Ship doc.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-18 10:44:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/94cfdd20-779a-4406-8087-938f8bdc4384

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/166825/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.10272.29296.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/b6b9b57a-aff0-495f-85ca-0f44dc849147
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/804271
Signature
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
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)
Sigma detected: Powershell Used To Disable Windows Defender AV Security Monitoring
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 436682 Sample: MT. TIGER KNIGHT_Ship doc.exe Startdate: 18/06/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Multi AV Scanner detection for dropped file 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 9 other signatures 2->38 7 MT. TIGER KNIGHT_Ship doc.exe 6 2->7         started        process3 file4 22 C:\Users\...\MT. TIGER KNIGHT_Ship doc.exe, PE32 7->22 dropped 24 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 7->24 dropped 26 MT. TIGER KNIGHT_S...exe:Zone.Identifier, ASCII 7->26 dropped 28 C:\...\MT. TIGER KNIGHT_Ship doc.exe.log, ASCII 7->28 dropped 40 Writes to foreign memory regions 7->40 42 Injects a PE file into a foreign processes 7->42 11 AdvancedRun.exe 1 7->11         started        13 AdvancedRun.exe 1 7->13         started        15 MT. TIGER KNIGHT_Ship doc.exe 2 7->15         started        signatures5 process6 process7 17 AdvancedRun.exe 11->17         started        20 AdvancedRun.exe 13->20         started        dnsIp8 30 192.168.2.1 unknown unknown 17->30
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc57e420dec21d7e6a08748c9a531cbdbddf2251e656492521a4f16b692c23f5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-18 10:19:18 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xrl6iig6yiox42qiosgjuuy4xw656isr4zlesjjbutyww2jmep2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
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54cbf563334d886d981722181262d0b4d789d401e01c144001f7920cec661a65
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9e1c41de9e6909e96332fa6af01a17721cd82616aaa27a78338d0e305d58b81a
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a0dff0bf5eb951b2371c5ccdd3d5787c12990fd50a4fe5092d3e6d1286fec8e6
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dfd350ff1a1ee6f495e22f985909ce95f75dcfab4d27318ca208f31a560888f1
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f8ac5606a67ee0148a7aec833cec28d6684eb8c5613db293abf10b82a67b6bd2
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fc4db22fc8828f0edf477bac989a58df7b4dc5f9fcc957dc906e3682e14f6e0f
AgentTesla
+ 6'179 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210618-rgxegm4b2s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
Nirsoft
AgentTesla
Unpacked files
SH256 hash:
3066b3e6822487f8a793d70fcb8322af5b736731d422475c8d20a4bd29f626f3
MD5 hash:
1ab2caeaf76d6988ce1a2d27c8eb3b36
SHA1 hash:
95e3fd5baae0a4c7e4f6e608a000ac096660e7b2
Link:
https://www.unpac.me/results/dc791839-ea5d-4ecc-8372-0075434eadb7/
SH256 hash:
06818d93abf6e7c57e0d2e180bf58259753370c5421d4d1107063d4263dd6a04
MD5 hash:
b8da77cc84468ce5467f04d7ed671c52
SHA1 hash:
07836ceed97f9ec94562f5ed5c8a483fae9e3bad
Link:
https://www.unpac.me/results/dc791839-ea5d-4ecc-8372-0075434eadb7/
SH256 hash:
a375bb25517f6f2ba9421dfc73fa1a628331ddadffed1769bb959c9971aee4f3
MD5 hash:
4edbde4307cf83c1363ea3cb4ceba60a
SHA1 hash:
5d5ed3cd9eb3115346197b9122ef3a9fc5131377
Link:
https://www.unpac.me/results/dc791839-ea5d-4ecc-8372-0075434eadb7/
SH256 hash:
f6ce490946e938d2c81eb6013b388d5e97beb2c73cf22d9a6a8ede06220d0584
MD5 hash:
b63d637345bb1b46ab70dd9d7fa852c3
SHA1 hash:
59ee1c6f51cd3aed86ecbf3a92f7da39ac4d92f1
Link:
https://www.unpac.me/results/dc791839-ea5d-4ecc-8372-0075434eadb7/
SH256 hash:
bc57e420dec21d7e6a08748c9a531cbdbddf2251e656492521a4f16b692c23f5
MD5 hash:
c857c6373623587f6a5d763900b1437b
SHA1 hash:
5cffca028593478cb248813e315b834559e7a800
Link:
https://www.unpac.me/results/dc791839-ea5d-4ecc-8372-0075434eadb7/
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/bc57e420dec21d7e6a08748c9a531cbdbddf2251e656492521a4f16b692c23f5

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: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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe bc57e420dec21d7e6a08748c9a531cbdbddf2251e656492521a4f16b692c23f5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/166825/

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