MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de31d1f0ba1f83e39610fb2450f77f6f2b18d6f2f4a997b2801cc107efdaeb46. 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: de31d1f0ba1f83e39610fb2450f77f6f2b18d6f2f4a997b2801cc107efdaeb46
SHA3-384 hash: 67fee62845abf9c4bb72590d4b700de1587e55dbf5c82517d3daec048f878d21c2672a2b3ebf0fb32e9b366dcbc7cbd0
SHA1 hash: 2734b0778983b7789023f1ca2f3e35f8122628e3
MD5 hash: f86cf1de9b50c51debd48b78a83e6081
humanhash: asparagus-video-kansas-seven
File name:rrCuIJ1mjochp7A8.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:733'184 bytes
First seen:2023-04-10 11:06:30 UTC
Last seen:2023-04-11 16:50:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:dZjMfnw0+io0ANSsibM+eb4gQpm/GkmNnFx3K:7Q1RMNZWM+eb4rpm/UNFx3K
Threatray 57 similar samples on MalwareBazaar
TLSH T14EF48B112258C3E9F5E1B16E3534491712F1784E4FBCDAB1CA72B9D37A977CB90C2A0A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
272
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rrCuIJ1mjochp7A8.exe
Verdict:
Malicious activity
Analysis date:
2023-04-10 11:08:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9312b728-9802-45d0-8e8d-b84401ea8077

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/381180/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.TrojanX-gen.11768.19730.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/6433edd8c064c538e1b330ed/reports/4df556af-5580-4d50-a6ea-b0591431f215/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/de31d1f0ba1f83e39610fb2450f77f6f2b18d6f2f4a997b2801cc107efdaeb46
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:
Unknown
Link:
https://analyze.intezer.com/analyses/3d27022d-4737-424b-bf49-32057db1a24e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1211051
Signature
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
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 843967 Sample: rrCuIJ1mjochp7A8.exe Startdate: 10/04/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected Telegram RAT 2->39 41 3 other signatures 2->41 6 rrCuIJ1mjochp7A8.exe 3 2->6         started        10 vtRsC.exe 2 2->10         started        12 vtRsC.exe 2 2->12         started        process3 file4 19 C:\Users\user\...\rrCuIJ1mjochp7A8.exe.log, ASCII 6->19 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->45 47 Injects a PE file into a foreign processes 6->47 14 rrCuIJ1mjochp7A8.exe 17 10 6->14         started        49 Multi AV Scanner detection for dropped file 10->49 51 Machine Learning detection for dropped file 10->51 signatures5 process6 dnsIp7 25 api.telegram.org 149.154.167.220, 443, 49698, 49699 TELEGRAMRU United Kingdom 14->25 21 C:\Users\user\AppData\Roaming\...\vtRsC.exe, PE32 14->21 dropped 23 C:\Users\user\...\vtRsC.exe:Zone.Identifier, ASCII 14->23 dropped 27 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->27 29 Tries to steal Mail credentials (via file / registry access) 14->29 31 Tries to harvest and steal browser information (history, passwords, etc) 14->31 33 2 other signatures 14->33 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/de31d1f0ba1f83e39610fb2450f77f6f2b18d6f2f4a997b2801cc107efdaeb46/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-04-10 02:38:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3yy5d4f2d6b6hfqq7msfb537n4vrrvxs6suzpmuadtaqp3625nda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0c531b4a7688250d023d48b6c30fcf86d23e8308776b9e7e1499f0559f550a9e
AgentTesla
1bad74ee3864f62fa44a2a45121679ed1ead32c1765a07c5ac2cf16bb970ba3a
AgentTesla
1bd48635c48d95fc4fb94e31c015d3663d06e05a0493de2be102d59db4c9f8d3
AgentTesla
1c016657f34ce6d4e22b93894605781f1315b462265588174fc9774f0013a519
AgentTesla
23c5dd5c73abb1746a8ea04fc1a2ae9e54114f6554f46fa04548b4bab4599ee8
AgentTesla
24eff453781c287faa8e26134cd992f207f03d34b8d2f0e45dd94156ecf6e43e
AgentTesla
45981fd05046a30bdeb47e1976b3eb1c82d445647213095ca17168e1eb35be7b
AgentTesla
e74749c10b6e51689ee88ac2d6380deb67f9c09bcc4e5058e271573df7356b2f
AgentTesla
e8baab9792dfce15247214c13c6ccbac6f622f08774e1cd81d86379ba90a35fe
AgentTesla
fbf65313c5df97b4605857a062c5f4161d189395369346927520cc2811a1a711
AgentTesla
+ 47 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/230410-m7zmnagh99/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6099836385:AAEfA6VoBkRvWID2b0aSRYBqFwUQJ2ZBemE/
Unpacked files
SH256 hash:
78263b569d4f9ed2016bd9c29718f62e55413cd4ca0106295c0443fafdc085d5
MD5 hash:
aef59f95e1a844e2551c8f3b4ef5a3b8
SHA1 hash:
d93e7ad3d586dfdee6b1c99db9237760671dd928
Link:
https://www.unpac.me/results/41e3dd2e-b58a-46d1-b7b4-478792b46a67/
SH256 hash:
f78c24efcd0fd600fe146c8160e0cce26875ea06e28f065f83786dc6db059795
MD5 hash:
5cd044332af602f421e66f68f22b644c
SHA1 hash:
af87ee063e8e335ddfd0d2eb6aed684e89d2afb4
Link:
https://www.unpac.me/results/41e3dd2e-b58a-46d1-b7b4-478792b46a67/
Parent samples :
3aeb2186089e92657ade4819a0b14ee7ef6f4e6ea314e224f2933e4940567b77
ceed05621c2de1d23ce22a9f2dfedf5891b5222abaf013c47acde6defdae5a50
SH256 hash:
594580916006fbc0275f683d0c1068020b64a26841e934a938ff5b0e87f3c0e6
MD5 hash:
0828fe262f244f2f8ef6df0479c4f058
SHA1 hash:
735e3ff44a32ecf29e3f1ad731579f420ef9e8ef
Link:
https://www.unpac.me/results/41e3dd2e-b58a-46d1-b7b4-478792b46a67/
SH256 hash:
3c507afadbb1c31a9ebdd24baac5739d47576159e01c5e84f973c951885100aa
MD5 hash:
e79bf0e7e9d52d398e0b23b352394c68
SHA1 hash:
682325763a0ec77e0fd475ea3a4021b4651eceac
Link:
https://www.unpac.me/results/41e3dd2e-b58a-46d1-b7b4-478792b46a67/
SH256 hash:
01a4e7afd172b97b213eca1bed1769a56dbe0c82e775cc1759d8f7a02a7d8476
MD5 hash:
7bbbaf5d4d05a8953ed93d63c70b4134
SHA1 hash:
6073f45d5fa738fa123e5378171b0f70f27aaa32
Link:
https://www.unpac.me/results/41e3dd2e-b58a-46d1-b7b4-478792b46a67/
SH256 hash:
de31d1f0ba1f83e39610fb2450f77f6f2b18d6f2f4a997b2801cc107efdaeb46
MD5 hash:
f86cf1de9b50c51debd48b78a83e6081
SHA1 hash:
2734b0778983b7789023f1ca2f3e35f8122628e3
Link:
https://www.unpac.me/results/41e3dd2e-b58a-46d1-b7b4-478792b46a67/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/de31d1f0ba1f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/de31d1f0ba1f83e39610fb2450f77f6f2b18d6f2f4a997b2801cc107efdaeb46

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 de31d1f0ba1f83e39610fb2450f77f6f2b18d6f2f4a997b2801cc107efdaeb46

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/381180/

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