MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc9bb2383da12cb95bda65cfaeaf4ac03e0e141e9f0654a57b8d2827fb825ad1. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc9bb2383da12cb95bda65cfaeaf4ac03e0e141e9f0654a57b8d2827fb825ad1
SHA3-384 hash: 5338808a06b873af2fde9e19eef0d84ed396e1ede15c53290c607c7cafa9978c88f85a4bf843388b0c8ac369d1b0d070
SHA1 hash: 59019b52443dc824a6170f8c10b961132887dc5b
MD5 hash: fb2f1d09f4f2b11442ed4f1aef91420a
humanhash: steak-nuts-gee-asparagus
File name:URGENT REQUEST.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:748'032 bytes
First seen:2021-10-29 05:51:54 UTC
Last seen:2021-10-29 09:14:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:B2KQ5ZcqJFTP8kKYaTLRf28En4Hs7QvzZvhCEvUOL+nzg++++4+++++++0+++++D:B2KQMqokKYaTd2Z4HKQV7jA8++++4++4
Threatray 12'389 similar samples on MalwareBazaar
TLSH T152F4CF3372E1AAC9EB7A5FB45C21E1705F633D636624E11EA9D8BCCB32F91214C61E41
File icon (PE):PE icon
dhash icon 34f0d2e4d4d4d4d4 (9 x SnakeKeylogger, 4 x AgentTesla, 2 x NanoCore)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a system process
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/a33a6509-82d5-4bc9-bcb8-8e49bd96dec5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/879040
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 511471 Sample: URGENT REQUEST.exe Startdate: 29/10/2021 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Yara detected AgentTesla 2->62 64 6 other signatures 2->64 7 URGENT REQUEST.exe 6 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        process3 file4 36 C:\Users\user\AppData\RoamingnvSdmOW.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmpCA7A.tmp, XML 7->38 dropped 40 C:\Users\user\...\URGENT REQUEST.exe.log, ASCII 7->40 dropped 66 Writes to foreign memory regions 7->66 68 Injects a PE file into a foreign processes 7->68 15 RegSvcs.exe 2 4 7->15         started        20 RegSvcs.exe 7->20         started        22 schtasks.exe 1 7->22         started        24 RegSvcs.exe 7->24         started        26 conhost.exe 11->26         started        28 conhost.exe 13->28         started        signatures5 process6 dnsIp7 42 belbagroupe.com 174.142.95.81, 49831, 587 IWEB-ASCA Canada 15->42 44 mail.belbagroupe.com 15->44 32 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Tries to steal Mail credentials (via file access) 15->48 50 Tries to harvest and steal ftp login credentials 15->50 56 3 other signatures 15->56 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->54 30 conhost.exe 22->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cc9bb2383da12cb95bda65cfaeaf4ac03e0e141e9f0654a57b8d2827fb825ad1/
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Create hunting rule
Status:
Malicious
First seen:
2021-10-29 05:52:06 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zsn3eob5uewlsw62mxh25l2kya7a4fa6t4dfjjl3ruucp64clliq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
003ecbee9386ab26c2d614ab61f60b13cf32c1551aa9efc0f6bd455421327fe4
AgentTesla
12919d9575b9d275043523690255acdd8ed17440be12aa225f8f31ba4eb9612e
AgentTesla
2357a2cad3fa915263036c5d9de8e77927115db4f07f90934d2335dda3bf22ee
AgentTesla
3aaa20c0b1ee7289fefdc94cb16c27a077ae3519a3d766e2431fa01719bdfcdc
AgentTesla
640857d027059d3b44417bc66b120b8c0841d7d7a072aa458b4be41a9e58b92e
AgentTesla
6488830ea72cbcf3cb394e786d5102c8a6cfb5025c40e63fc537e323322f9a4c
AgentTesla
e302f84b5e07423e7ed616296ee78b39ed487f43360491dc68907a3b6f0760d4
AgentTesla
e5ea618e1c51b6f724e1527d81465fb53693449199b768bacc62d0caca5c1fbc
AgentTesla
+ 12'379 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211029-gkrewacfg4/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
a667a4e1422447d5f0a96ea93ee97038108429d809932840c2a43baf8320a7e4
MD5 hash:
a49fd08b7871e36e0c7e95a4115780a0
SHA1 hash:
8b42bd4fb948c37bacf846def20f19b444d2bb19
Link:
https://www.unpac.me/results/6ebbcc4a-03e7-4d51-b64b-940515fa8d94/
SH256 hash:
0bfd0b9a99d14be7ed25747000e551f56663b64ca58a37e5858acf42ae1a5ed1
MD5 hash:
2bc3c7dc5481d93a0c1378cdf03c7d9a
SHA1 hash:
7b0c09f19a13ddd30b38e6552d58240a5b6f08ec
Link:
https://www.unpac.me/results/6ebbcc4a-03e7-4d51-b64b-940515fa8d94/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/6ebbcc4a-03e7-4d51-b64b-940515fa8d94/
SH256 hash:
cc9bb2383da12cb95bda65cfaeaf4ac03e0e141e9f0654a57b8d2827fb825ad1
MD5 hash:
fb2f1d09f4f2b11442ed4f1aef91420a
SHA1 hash:
59019b52443dc824a6170f8c10b961132887dc5b
Link:
https://www.unpac.me/results/6ebbcc4a-03e7-4d51-b64b-940515fa8d94/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cc9bb2383da1/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/cc9bb2383da12cb95bda65cfaeaf4ac03e0e141e9f0654a57b8d2827fb825ad1

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

Executable exe cc9bb2383da12cb95bda65cfaeaf4ac03e0e141e9f0654a57b8d2827fb825ad1

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments