MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf28278f08c7fe2e13e120fff395f8241ee8221e9c52bc397fa816a077adc555. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf28278f08c7fe2e13e120fff395f8241ee8221e9c52bc397fa816a077adc555
SHA3-384 hash: b6b0fc285a05486eea45108f2bae48930d4dbdd943b262e9b12d46023c71f89ec3af50d997e9dd9b66963752d5ed1c09
SHA1 hash: 6469e7309a145b9ce53b4f90a928772f14cc2ced
MD5 hash: 975e136392ec26be3a8cd7d817097cc7
humanhash: friend-nebraska-maine-comet
File name:Nuevo envío.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:633'856 bytes
First seen:2023-04-20 10:16:54 UTC
Last seen:2023-05-13 22:54:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:8ZOhKoJElbhInrZ6by1z395+2+XPbLNPFiNxbQzQX3rFvJvu+:uyF6lbhy3DyPbZ9AbQiFhx
Threatray 2'362 similar samples on MalwareBazaar
TLSH T134D4D0C567A9D7E2C2747EFC122A20783FB0559BE926D625FD8850DA3D32FC8194078B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
251
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Nuevo envío.exe
Verdict:
Malicious activity
Analysis date:
2023-04-20 10:36:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ab041aa5-fed1-40e3-ad48-4487be3bd7b7

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/383731/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process from a recently created file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/644111471487bd3ff744cf77/reports/2916269f-f5a4-4d88-b2e7-76b8edc9af25/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/cf28278f08c7fe2e13e120fff395f8241ee8221e9c52bc397fa816a077adc555
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9457755a-ec8e-4e37-b71c-8ce86abf836d
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1217869
Signature
.NET source code contains potential unpacker
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf28278f08c7fe2e13e120fff395f8241ee8221e9c52bc397fa816a077adc555/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2023-04-19 17:05:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 22 (81.82%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4ucpdyiy77c4e7bed77hfpyeqpoqiq6trjlyol7valka55nyvkq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2069c3254c5a28daea136f39db600c179ba421e70f71cdd5765575012eb42d42
AgentTesla
416d574131255e4656d9d548ef7c74c1ba3850aa80a9acd9dbd0352eb03053ee
AgentTesla
67c073d1621a49c3cdf63410b8bf159b02ae6a8fc7738f4a9dda27638d40c43c
AgentTesla
98d4406e8ee40991fc7008774e833e0b6cf758ffedd7e06023a926a06646591d
AgentTesla
9d83a9e060a29f32c19203afbffe3e6b3d22d71ec4779bc7139c0b22a9881e65
AgentTesla
a955da66c4fea454fc830bec547d560ea494e777259e38f195f7c7266fbd8ee3
AgentTesla
d850ceb318e1d078e00f9f59ff80f6775b8f19bfa26f5f0750582a73e51e4fcf
AgentTesla
efcb803043e60001aea737d0033b2b91c52d3a3d13d1c22c94f79511cfed17a3
AgentTesla
+ 2'352 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230420-mbhn9sbb9z/
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
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/bot5995325649:AAF8FPfLIOq-sJZTLJ5YMiZs_1YNkLbVv0o/
Unpacked files
SH256 hash:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
Link:
https://www.unpac.me/results/cf1f456b-d50b-46d3-9d40-44e78ba1f3aa/
SH256 hash:
a35b844f27206cf078660a4bb9cbe799ad6ab1de6533ef4aa54a86977590ac93
MD5 hash:
874ea27acaffdc3dd0175058f4abd388
SHA1 hash:
cffc8ea8875ed245d58cdce358cfad56256d8229
Link:
https://www.unpac.me/results/cf1f456b-d50b-46d3-9d40-44e78ba1f3aa/
SH256 hash:
2a54d01ef29cba99c5fdde309017e4c712ac7cfc4dc02f8d9241e6be4ed2841d
MD5 hash:
176ef2b04fc6cbb5a6fe7c68591a36a7
SHA1 hash:
817c30547789df3aa95819fc685566c71d108045
Link:
https://www.unpac.me/results/cf1f456b-d50b-46d3-9d40-44e78ba1f3aa/
SH256 hash:
6b8370385cf43648a7c0bd49aad937bf6edf5f38b367a9d51ff17e215e22807d
MD5 hash:
681868af81a76ef7e40573c70e4205f9
SHA1 hash:
6a25e72759b33e8a2bbe39893f6610ace606de79
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/cf1f456b-d50b-46d3-9d40-44e78ba1f3aa/
Parent samples :
cf28278f08c7fe2e13e120fff395f8241ee8221e9c52bc397fa816a077adc555
c33d4a210d1270bc9a6135df8b6fc957b18511ff91d27e657ddf685cb2fa3408
04444081777926a4c1ea259918bc6d7a2b1176700b98beae1230ac8d4939e82e
6d4fb35f1867014da572205afa5be3569d96479f00cdcdff785dc34d02ec146f
32be9c7eea7007870f0ecdc5459c7e2a5ec9ae6827074d3da21935854424f80c
SH256 hash:
5e5c8fe4e53980a98b48fe6b19155edf0f0d285ed899c61dbf4f880583ddf1d2
MD5 hash:
b3bbc5461d12f07ea893bf415dfe7c89
SHA1 hash:
40c3156c471d2afe3fd88c7d20cf93e5782e1bd6
Link:
https://www.unpac.me/results/cf1f456b-d50b-46d3-9d40-44e78ba1f3aa/
SH256 hash:
cf28278f08c7fe2e13e120fff395f8241ee8221e9c52bc397fa816a077adc555
MD5 hash:
975e136392ec26be3a8cd7d817097cc7
SHA1 hash:
6469e7309a145b9ce53b4f90a928772f14cc2ced
Link:
https://www.unpac.me/results/cf1f456b-d50b-46d3-9d40-44e78ba1f3aa/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cf28278f08c7/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/cf28278f08c7fe2e13e120fff395f8241ee8221e9c52bc397fa816a077adc555

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 cf28278f08c7fe2e13e120fff395f8241ee8221e9c52bc397fa816a077adc555

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/383731/

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