MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf5b1fe7a9600b5f132475ef3586dccd40e8559e9637d3f9b20e73f55d77961d. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf5b1fe7a9600b5f132475ef3586dccd40e8559e9637d3f9b20e73f55d77961d
SHA3-384 hash: 13821d117dceb8d9c35bf7de92a8454215db413f41e130f1dbe635c99d66fce564b4b9065d13f57ab7e5ea753f4c1532
SHA1 hash: 4edef2e97456b714f58c1dcec5cec155d26a78f1
MD5 hash: 43845696563294c12ff16abb8c737f58
humanhash: washington-avocado-uranus-nine
File name:Quotation QTN74895.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:673'280 bytes
First seen:2023-07-27 05:57:55 UTC
Last seen:2023-07-27 05:58:16 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:nf2iN2GULVsGrbaH/G5/B3G1HrMBrHvmDsFZS3sINNDWi0pp/NewljSDmh65NAlb:nf1xULVdbPByH2MKZDWspNewlGB5uN
Threatray 5'303 similar samples on MalwareBazaar
TLSH T15CE422106AE86B16DA7453F42861995187F2E84E9071E70D3ECE30EF8927F2417E2F67
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 cocaman
Tags:AgentTesla exe QUOTATION

Intelligence

File Origin
# of uploads :
2
# of downloads :
283
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Quotation QTN74895.exe
Verdict:
Malicious activity
Analysis date:
2023-07-27 06:00:29 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/dff0cc4d-a05f-425e-9dab-26eafb1bc777

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/434631/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/cf5b1fe7a9600b5f132475ef3586dccd40e8559e9637d3f9b20e73f55d77961d
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/35b51e4d-0baf-44c3-af90-ee6204e53a4b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1280832
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
May check the online IP address of the machine
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
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1280832 Sample: Quotation_QTN74895.exe Startdate: 27/07/2023 Architecture: WINDOWS Score: 100 74 Found malware configuration 2->74 76 Sigma detected: Scheduled temp file as task from temp location 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 4 other signatures 2->80 7 Quotation_QTN74895.exe 7 2->7         started        11 ikRrFaceogFtHi.exe 5 2->11         started        13 ljwWqDx.exe 2->13         started        15 ljwWqDx.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\...\ikRrFaceogFtHi.exe, PE32 7->52 dropped 54 C:\...\ikRrFaceogFtHi.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\...\tmp1373.tmp, XML 7->56 dropped 58 C:\Users\user\...\Quotation_QTN74895.exe.log, ASCII 7->58 dropped 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->90 92 May check the online IP address of the machine 7->92 94 Uses schtasks.exe or at.exe to add and modify task schedules 7->94 96 Adds a directory exclusion to Windows Defender 7->96 17 Quotation_QTN74895.exe 17 5 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        98 Multi AV Scanner detection for dropped file 11->98 100 Injects a PE file into a foreign processes 11->100 26 ikRrFaceogFtHi.exe 11->26         started        36 2 other processes 11->36 28 ljwWqDx.exe 13->28         started        30 schtasks.exe 13->30         started        32 ljwWqDx.exe 15->32         started        34 schtasks.exe 15->34         started        signatures5 process6 dnsIp7 60 mail.sindbadclub.com 91.121.255.161, 49691, 49693, 49699 OVHFR France 17->60 62 api4.ipify.org 104.237.62.211, 443, 49690, 49698 WEBNXUS United States 17->62 64 api.ipify.org 17->64 48 C:\Users\user\AppData\Roaming\...\ljwWqDx.exe, PE32 17->48 dropped 50 C:\Users\user\...\ljwWqDx.exe:Zone.Identifier, ASCII 17->50 dropped 82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->82 84 Tries to steal Mail credentials (via file / registry access) 17->84 86 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->86 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        70 2 other IPs or domains 26->70 66 173.231.16.76, 443, 49696 WEBNXUS United States 28->66 68 api.ipify.org 28->68 42 conhost.exe 30->42         started        72 2 other IPs or domains 32->72 88 Tries to harvest and steal browser information (history, passwords, etc) 32->88 44 conhost.exe 34->44         started        46 conhost.exe 36->46         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf5b1fe7a9600b5f132475ef3586dccd40e8559e9637d3f9b20e73f55d77961d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-07-26 06:33:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5nr7z5jmafv6ezeoxxtlbw4zvaoqvm6sy35h6nsbzz7kxlxsyoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2f0826046728f20f38234c0809eb0c85b74f195e181e93a1f10164293e9bfdc4
AgentTesla
48eef18edcc14ccc129e3e475e15bb2f16b33e8acb70e0aac29670dd0ce68161
AgentTesla
9c1dfb4fb5b62214e9a1095dcb5e70f742e184fec69e70718c2fb46332a830f4
AgentTesla
b226a85b8821593522c97ef77d924a2a2fd57fafdf2b251e19fd603853b835f9
AgentTesla
d254597f97b77a7c2e13c980947c0b19a24f21cea9226826c2a9bd13d7a5e335
AgentTesla
e501d14e904214d3bd94574c80ea8a1f18f8853425a2a375fa71a7e6933fb196
AgentTesla
+ 5'293 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection persistence spyware stealer
Link:
https://tria.ge/reports/230727-gn6zqshh95/
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
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
bf3e09a922fe201b9a89bc7eb51e68484d34df5eb1814ef367ed7fe33168f4d7
MD5 hash:
86b0f7019da436553da6d3025bb9e5c2
SHA1 hash:
fdd09de13a13cede11745c52015e4ae02a7098f6
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/6dfbf3d3-175e-4762-ad9c-177382e95f3b/
Parent samples :
b226a85b8821593522c97ef77d924a2a2fd57fafdf2b251e19fd603853b835f9
cf5b1fe7a9600b5f132475ef3586dccd40e8559e9637d3f9b20e73f55d77961d
9ed469c0100e0d6435a740bf4eed345bc7803a5e7c957473277acd5c782179c0
81f212a2fc589aaec29e362c17af8209bb0ebfc4e92b1c8b0a2da3a3e62c65a9
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/6dfbf3d3-175e-4762-ad9c-177382e95f3b/
SH256 hash:
9c3346c2c012ffc0eefd7555bf2af94b48141f7171f99df10425e85d988a4c76
MD5 hash:
4eaa55cad798a33030e7e6a3fe498857
SHA1 hash:
44775cf2b8eb3b89b1f17051ebf101041e153579
Link:
https://www.unpac.me/results/6dfbf3d3-175e-4762-ad9c-177382e95f3b/
SH256 hash:
b9a20d6a037273d22acfef040a5ee5eaf300f8ed3cfa174ef8a7c400b3753105
MD5 hash:
f2ddeb90f1d02f7f07a7d4784907f037
SHA1 hash:
03ecca6a926462f1559c29e0d59dd99ed62b60fa
Link:
https://www.unpac.me/results/6dfbf3d3-175e-4762-ad9c-177382e95f3b/
SH256 hash:
cf5b1fe7a9600b5f132475ef3586dccd40e8559e9637d3f9b20e73f55d77961d
MD5 hash:
43845696563294c12ff16abb8c737f58
SHA1 hash:
4edef2e97456b714f58c1dcec5cec155d26a78f1
Link:
https://www.unpac.me/results/6dfbf3d3-175e-4762-ad9c-177382e95f3b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cf5b1fe7a960/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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 f728ab8d633c47d45fc06e67d382e077e4cb48cbb04986aeafa92c89abb58cc9

AgentTesla

Executable exe cf5b1fe7a9600b5f132475ef3586dccd40e8559e9637d3f9b20e73f55d77961d

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f728ab8d633c47d45fc06e67d382e077e4cb48cbb04986aeafa92c89abb58cc9
Cape
Cape
https://www.capesandbox.com/analysis/434631/
  
Dropped by
MD5 cb133e50e42b8aac7ec68c9f50d6cc5f

Comments