MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89aac1da79c39c6dca27fbd441600f2fc6b72e051d3e31e6c6738f4fa84698b8. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89aac1da79c39c6dca27fbd441600f2fc6b72e051d3e31e6c6738f4fa84698b8
SHA3-384 hash: cb13bbd29a5b4d26cec66cf21608233d033b110059945230d93357d3c9b57933415d5184f83bc430819d888be870c3b7
SHA1 hash: 108a28b629bd34d8c766face9eebc01eae7dde1b
MD5 hash: 33aafdcbbee5896be71abe19e26000db
humanhash: kitten-seventeen-pennsylvania-robin
File name:R F Q.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:710'144 bytes
First seen:2023-05-22 13:39:08 UTC
Last seen:2023-06-05 11:04:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:88GJcCoz0IPwwpcFlM6xOCvjNgLsdmc1pBWMm:8n5oCDFa60wjAn6M
Threatray 3'039 similar samples on MalwareBazaar
TLSH T16CE4303C2CBA15E3C538FBAAD7D160F3B52B8923B70F9A6500C347267A6692177C251D
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
257
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
R F Q.exe
Verdict:
Malicious activity
Analysis date:
2023-05-22 13:46:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/78969600-36b0-4dd1-8cf9-28913955a68b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Rogue.0hr.20230522-0935.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/646b70b2bdc8acf9a47aeafc/reports/4ab1ca82-acb4-42a0-82ef-62bddb3ad420/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/89aac1da79c39c6dca27fbd441600f2fc6b72e051d3e31e6c6738f4fa84698b8
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/e383e5ec-b644-4cab-b3f4-59a6e2852956
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1239733
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89aac1da79c39c6dca27fbd441600f2fc6b72e051d3e31e6c6738f4fa84698b8/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-22 06:15:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 23 (86.96%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rgvmdwtzyoog3srh7pkecyapf7dlolqfdu7ddzwgoohu7kcgtc4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
207101f6912ab3d1db4eb31783037685cade90fbc6ed91dffc1c53138b8436ff
AgentTesla
6e19455a9618b20fae8404a9b3c9f4f37d2b2cf032faf61d3837b59bf9497666
AgentTesla
8067342812e8fee9dc78b51e57c8c9402598bbfa7742355e2e58bc77ce6be38d
AgentTesla
99dd06782f7dd4caa754f0e27a3ef5068db0c634ec327a93dee8dc1b98ad18ca
AgentTesla
aafc668d03f2fa59132b86a640f41eac2d2221053152524d99fcc61b7a56c5e4
AgentTesla
adbfb6e8fe8258eb1f95f737e75c5b28e42cfd901f3733c1748189efca49a2f1
AgentTesla
b3aee144224e71f1fc04084d7dd130bfbe1005b23df2c619085b25c8a4daa941
AgentTesla
d1e8e37069c510b2fbd087386e0d25d5641a1726aa9f99530f531ace16927ba9
AgentTesla
+ 3'029 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/230522-qykc6abe5t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla
Unpacked files
SH256 hash:
a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209
MD5 hash:
e7709a907be0cdb6ff7eb99daee97c6c
SHA1 hash:
bb3f6871c40f54070b53947bf6958d410ea8bac1
Link:
https://www.unpac.me/results/6281f721-073a-4cd5-a15c-8abf65849bdd/
SH256 hash:
2daf2ef8e39542c6d8b514a4110fd661dbdb6faa64665cdc97218520f2a29f0d
MD5 hash:
8acbd9bafe0272ade2749f551163b3a0
SHA1 hash:
57f476a7a0f1236b780957d16b6e7fcd30badd7f
Link:
https://www.unpac.me/results/6281f721-073a-4cd5-a15c-8abf65849bdd/
SH256 hash:
4e657e88d634dc1d1562b5f3e80c688068fcdb1b4d847bbccdda8d89789a3641
MD5 hash:
00aa26d16c4a94a8ebf37d7306f35e4e
SHA1 hash:
0fca5fcd23f1aef42afffb27aa78e1a5c16d1f1d
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/6281f721-073a-4cd5-a15c-8abf65849bdd/
Parent samples :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 hash:
89aac1da79c39c6dca27fbd441600f2fc6b72e051d3e31e6c6738f4fa84698b8
MD5 hash:
33aafdcbbee5896be71abe19e26000db
SHA1 hash:
108a28b629bd34d8c766face9eebc01eae7dde1b
Link:
https://www.unpac.me/results/6281f721-073a-4cd5-a15c-8abf65849bdd/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/89aac1da79c3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/89aac1da79c39c6dca27fbd441600f2fc6b72e051d3e31e6c6738f4fa84698b8

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:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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

zip fc2a6b2906434dadf264496da8cbdbfe8286f9fafcb95e44e6c23c25d116f63f

AgentTesla

Executable exe 89aac1da79c39c6dca27fbd441600f2fc6b72e051d3e31e6c6738f4fa84698b8

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 fc2a6b2906434dadf264496da8cbdbfe8286f9fafcb95e44e6c23c25d116f63f
  
Dropped by
MD5 863b1085d45f5230d8493110fd66badb

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