MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8a67ddd90d14663f8c20846dac7997c62796b4fe6327703e9c21d79e5d88c05. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8a67ddd90d14663f8c20846dac7997c62796b4fe6327703e9c21d79e5d88c05
SHA3-384 hash: f8e0c5d0c935c431af3a74c09510de435133cb69edf07101b3e7be8944194f5a96a26ac80400449320870aa088a4f42a
SHA1 hash: a1c62dfd2c1f659b9e11e6e956435eef7c1feb2f
MD5 hash: 720800a5dac944ee1d54bf6edbc8c84d
humanhash: ten-mirror-november-xray
File name:BL 204103842 DOCS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:705'536 bytes
First seen:2022-07-27 10:20:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:xbMGRQIFdlf6qkkkyar8sAwZX6I5HFyFqXY168Tx8:xbMGZFdN6ckyaQsoElyFzx
Threatray 19'968 similar samples on MalwareBazaar
TLSH T18FE4025022789F37C6BF07BB9061415897FDB24BD1A2E7CE2F8863E92E23756454063B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 86738c8d86966992 (12 x AgentTesla, 6 x Loki, 6 x Formbook)
Reporter 0xToxin
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
293
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/294602/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.20355.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62e111e45c40cd8dc5efe6b5/reports/a9beaea0-924a-4e90-977e-417753ae99c2/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d68b64fa-c95a-4aba-bd5e-ef5f0bb2e529
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1041757
Signature
Adds a directory exclusion to Windows Defender
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)
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 674251 Sample: BL 204103842 DOCS.exe Startdate: 27/07/2022 Architecture: WINDOWS Score: 100 31 Malicious sample detected (through community Yara rule) 2->31 33 Yara detected AgentTesla 2->33 35 Yara detected Telegram RAT 2->35 37 9 other signatures 2->37 7 BL 204103842 DOCS.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\sKGbNwQBJIL.exe, PE32 7->23 dropped 25 C:\Users\...\sKGbNwQBJIL.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmp385C.tmp, XML 7->27 dropped 29 C:\Users\user\...\BL 204103842 DOCS.exe.log, ASCII 7->29 dropped 39 Adds a directory exclusion to Windows Defender 7->39 41 Injects a PE file into a foreign processes 7->41 11 powershell.exe 20 7->11         started        13 schtasks.exe 1 7->13         started        15 BL 204103842 DOCS.exe 2 7->15         started        17 2 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8a67ddd90d14663f8c20846dac7997c62796b4fe6327703e9c21d79e5d88c05/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-27 10:21:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
26 of 39 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xcth3xmq2fdgh6gcbbdnvr4zprrhs22p4yzhoa7jyioxtzoyrqcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
19eede47019e53fec742f27977d3b39250870e8c28ba6435d353daf4b2d5fa46
AgentTesla
2c7cbac8fb35bec6c10869cd5e50d479997a86e42a49c9d2f226c0a88b871c01
AgentTesla
5c46e47366d5b0e5907a78bcef83a71b606ed1135603d50e05303262d46b8a3e
AgentTesla
637c08924afdfb02e35a02c81b72ccde2f0e3436f1f7e1747eb86b6b6ee5bd68
AgentTesla
a3975305b2717e69b429ddba843d0eb03d4bc916828131a41719e74753e9b901
AgentTesla
d20aff03dd6394b498b2c2cbb6696120e93595b8c8141e077566348faf251d71
AgentTesla
ea08fc031bc184b29f528ea6f2d34a8e8537356cb2b36826c653d769674601b3
AgentTesla
+ 19'958 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/220727-mdnnascggq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1633482536:AAF1JIS_DaayovuRrLGy_POYaI3DRc2CrPY/sendDocument
Unpacked files
SH256 hash:
b91307eeae6495cc3202fb1ec39e3f58534be4b1a60795d0b31fd52c76f040d4
MD5 hash:
19f1df1e9b8f809b61dab4490cdc6e9c
SHA1 hash:
9e2e47b1ae0d94e894a88ce28a7c8a7c1a00e8ef
Link:
https://www.unpac.me/results/d39f79e9-590b-49ad-a9fd-fe2591bdd6e0/
Parent samples :
827774cd3d42753b5a959a706a3ae0d989cd6b1cdb9eb54590acdc37f086d4b4
5509e143021f95074f9cde2dac4d79960710adb794bb1cdf57582be08681c3bf
57191284c75940f3a637266acc38d3a503ab97a52c9d99a0a85ff61d27420b6f
44adde49a051c923e1ed89d0adfa105fb66f85bebe630f625c29e25f93da3043
604c52301a76a47042112a3a7fca37f1c6c205a0888a6e28c5555406c55b2279
SH256 hash:
56fc189173ac210b55670394dd7c48f9071861f16194630ecd13d8878354222b
MD5 hash:
db78836858062eb2b41183aadbbfb29b
SHA1 hash:
344000a4b8181003c11afa1f3739675244726dee
Link:
https://www.unpac.me/results/d39f79e9-590b-49ad-a9fd-fe2591bdd6e0/
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/d39f79e9-590b-49ad-a9fd-fe2591bdd6e0/
SH256 hash:
e564513c43380315992640814660840a5b4703eb1bdd83e4bfb41adc8b00a952
MD5 hash:
745a8ebc59de416f9fd30feff3a73c8c
SHA1 hash:
929a6c83ae8973d863cf4640a979b86da829b988
Link:
https://www.unpac.me/results/d39f79e9-590b-49ad-a9fd-fe2591bdd6e0/
SH256 hash:
513d5d8af3c3c3ee1d3e60caf34e6480e9e5a3afc6c90d52d070d486eda63ce7
MD5 hash:
2faa14350d56208da3b5d536c7e34af5
SHA1 hash:
58c29d202d4d2752b9b1a2e8a3e175c90266a6ba
Link:
https://www.unpac.me/results/d39f79e9-590b-49ad-a9fd-fe2591bdd6e0/
SH256 hash:
b8a67ddd90d14663f8c20846dac7997c62796b4fe6327703e9c21d79e5d88c05
MD5 hash:
720800a5dac944ee1d54bf6edbc8c84d
SHA1 hash:
a1c62dfd2c1f659b9e11e6e956435eef7c1feb2f
Link:
https://www.unpac.me/results/d39f79e9-590b-49ad-a9fd-fe2591bdd6e0/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8a67ddd90d1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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 b8a67ddd90d14663f8c20846dac7997c62796b4fe6327703e9c21d79e5d88c05

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/294602/

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