MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1c4f2504198005c924529598e3a0e38df4929ee4487a37eccf8da6255333786. 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: 19


Intelligence 19 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1c4f2504198005c924529598e3a0e38df4929ee4487a37eccf8da6255333786
SHA3-384 hash: fee789acc24970425fdf47edd5298b0f26f64f7f57c9a8240bd6b23dd2e1853d9337586d892709137af4afad07e96c68
SHA1 hash: 2a1e127f06947d1bc92b94f6c487068a0ecbc2a3
MD5 hash: 11803391d6ac804ace70687f726a28e9
humanhash: gee-charlie-freddie-hawaii
File name:New Quote Equipment dated June 3, 2023.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:276'001 bytes
First seen:2023-07-03 08:10:29 UTC
Last seen:2023-07-05 13:04:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6QFgefJRfbSay6aGe5AllDO9R0cM59HQtctLVc:vYWOkRznyjTAvDODMDQGlS
Threatray 4'615 similar samples on MalwareBazaar
TLSH T10C4412502BC1A5ABF93347B272AB439E65BBA5121C58B64F37001F5E7C705D28B0EB63
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe Shipping

Intelligence

File Origin
# of uploads :
8
# of downloads :
259
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
New Quote Equipment dated June 3, 2023.exe
Verdict:
Malicious activity
Analysis date:
2023-07-03 08:16:55 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/24b2272b-a1ea-45f6-975c-d25940941fdb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/405763/
Detection(s):
Sanesecurity.Rogue.0hr.20230703-0239.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/95199/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64a282972299d26882644efd/reports/b1f54deb-a51c-4fd5-9634-4856eea261b5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b1c4f2504198005c924529598e3a0e38df4929ee4487a37eccf8da6255333786
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/826255cc-1f5e-4460-9e8b-92284b8ca954
Result
Threat name:
AgentTesla, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1265633
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
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 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)
Yara detected AgentTesla
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1c4f2504198005c924529598e3a0e38df4929ee4487a37eccf8da6255333786/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-03 00:26:38 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whcpeucbtaafzesfffmy4oqohdpuskpoisd2g7wm7dngevjtg6da._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
156c6d57b228e6b5a8920f268f26b70b5fb6ec53b255f102f2dc9f7fa21c9097
AgentTesla
1b5d95e350eeadcc8bfe9f36eb86c0997cb3b0c5f2cecef544b84efb8abdace1
AgentTesla
5b8c0c56e48b1a5046c75da4416a009d3c9e00ab046223139551ba6c7126e4a7
AgentTesla
6648b8b1ded4b81559713a9ef6402b5a05c6d439b40c044123ab7e765d50d241
AgentTesla
a5d34ece4e0c8709f29adb00104f06ec740cbd5aa4e1c144c911fd16f5494ad1
AgentTesla
b1c4f2504198005c924529598e3a0e38df4929ee4487a37eccf8da6255333786
AgentTesla
ed970f5692d7a2e1fcf63f57635b45304d047c2d0f3b854dae2a39bff7e9707a
AgentTesla
+ 4'605 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/230703-j3ak7agg81/
Behaviour
Suspicious behavior: MapViewOfSection
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
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
686cf9d8821f34c46528a5683bfbb7f09b96257cf59f36b14bcbee12d5c7152d
MD5 hash:
91cdf1744712d4839c1837d00182a8ff
SHA1 hash:
e7e6952939e6f1d6159fe856dee7f57516ac9c8b
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/fac331bf-6388-4c6c-9589-b4e6f60ea892/
Parent samples :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 hash:
ba815e73f6a35bcc152c8ef62d6d7ae2dc58bff478605725bb9f2271c6161285
MD5 hash:
b47997f2fd3241a8994ede9551f64e81
SHA1 hash:
be6e025f9b6650486fc4a56eef2cd0f4d105061d
Link:
https://www.unpac.me/results/fac331bf-6388-4c6c-9589-b4e6f60ea892/
SH256 hash:
d4c63a67770da197cddde77817164662ad355611ca36205f16d0dc702c4cf3a2
MD5 hash:
a38e215c4ecc019ac34d8abe64c491de
SHA1 hash:
571b3c9593651843d3e22bd239eacfcf9cc39948
Link:
https://www.unpac.me/results/fac331bf-6388-4c6c-9589-b4e6f60ea892/
SH256 hash:
686cf9d8821f34c46528a5683bfbb7f09b96257cf59f36b14bcbee12d5c7152d
MD5 hash:
91cdf1744712d4839c1837d00182a8ff
SHA1 hash:
e7e6952939e6f1d6159fe856dee7f57516ac9c8b
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/fac331bf-6388-4c6c-9589-b4e6f60ea892/
Parent samples :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 hash:
ba815e73f6a35bcc152c8ef62d6d7ae2dc58bff478605725bb9f2271c6161285
MD5 hash:
b47997f2fd3241a8994ede9551f64e81
SHA1 hash:
be6e025f9b6650486fc4a56eef2cd0f4d105061d
Link:
https://www.unpac.me/results/fac331bf-6388-4c6c-9589-b4e6f60ea892/
SH256 hash:
d4c63a67770da197cddde77817164662ad355611ca36205f16d0dc702c4cf3a2
MD5 hash:
a38e215c4ecc019ac34d8abe64c491de
SHA1 hash:
571b3c9593651843d3e22bd239eacfcf9cc39948
Link:
https://www.unpac.me/results/fac331bf-6388-4c6c-9589-b4e6f60ea892/
SH256 hash:
686cf9d8821f34c46528a5683bfbb7f09b96257cf59f36b14bcbee12d5c7152d
MD5 hash:
91cdf1744712d4839c1837d00182a8ff
SHA1 hash:
e7e6952939e6f1d6159fe856dee7f57516ac9c8b
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/fac331bf-6388-4c6c-9589-b4e6f60ea892/
Parent samples :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 hash:
ba815e73f6a35bcc152c8ef62d6d7ae2dc58bff478605725bb9f2271c6161285
MD5 hash:
b47997f2fd3241a8994ede9551f64e81
SHA1 hash:
be6e025f9b6650486fc4a56eef2cd0f4d105061d
Link:
https://www.unpac.me/results/fac331bf-6388-4c6c-9589-b4e6f60ea892/
SH256 hash:
d4c63a67770da197cddde77817164662ad355611ca36205f16d0dc702c4cf3a2
MD5 hash:
a38e215c4ecc019ac34d8abe64c491de
SHA1 hash:
571b3c9593651843d3e22bd239eacfcf9cc39948
Link:
https://www.unpac.me/results/fac331bf-6388-4c6c-9589-b4e6f60ea892/
SH256 hash:
b1c4f2504198005c924529598e3a0e38df4929ee4487a37eccf8da6255333786
MD5 hash:
11803391d6ac804ace70687f726a28e9
SHA1 hash:
2a1e127f06947d1bc92b94f6c487068a0ecbc2a3
Link:
https://www.unpac.me/results/fac331bf-6388-4c6c-9589-b4e6f60ea892/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b1c4f2504198/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/b1c4f2504198005c924529598e3a0e38df4929ee4487a37eccf8da6255333786

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 86452fb42f0c5b413689a8d5f99b87a8c04477ece14bd17de8cc3377a3e0dc1e

AgentTesla

Executable exe b1c4f2504198005c924529598e3a0e38df4929ee4487a37eccf8da6255333786

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 86452fb42f0c5b413689a8d5f99b87a8c04477ece14bd17de8cc3377a3e0dc1e
  
Dropped by
SHA256 027baa61a786d64c91bafceceb522b21187eaa04afc203e0588a8f8f3687c903
Cape
Cape
https://www.capesandbox.com/analysis/405763/
  
Dropped by
MD5 6ad366f2d78000968991502e952a6002
  
Dropped by
MD5 1663d49be790a8cf25ba98a657f58fb5

Comments