MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 100e4db8f177743e1659e2183aaa671c274d5d040da1cca723e8b409f12eca05. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 100e4db8f177743e1659e2183aaa671c274d5d040da1cca723e8b409f12eca05
SHA3-384 hash: f8d2217dcb41ed1e8b2182c2f186dee90f99ae04dd0722660db71596fc780f5dc439c91a70527e244d40e19eabca4e95
SHA1 hash: 45c11547056a8d26e166fef0bed06aeebb7c827c
MD5 hash: 10c95a75830e4c5b0d24939f2783d8ee
humanhash: coffee-hot-white-iowa
File name:PURCHASE CONTRACT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:866'816 bytes
First seen:2023-03-17 13:07:22 UTC
Last seen:2023-03-19 13:11:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:Qvjkj+E0UZham9yIpWCNEB9SMqP1V6EIMb6:QvjkkUym9Jp1EBw5V6AO
Threatray 1'469 similar samples on MalwareBazaar
TLSH T142050248B726EB21C73E47FEB172646583F3981E6236F2885DCF54DE2A32F511501A4B
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)
File icon (PE):PE icon
dhash icon f0c4f4c4dcdcdcf8 (8 x AgentTesla, 6 x SnakeKeylogger, 2 x Formbook)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE CONTRACT.exe
Verdict:
Malicious activity
Analysis date:
2023-03-17 13:08:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dea8e7a2-15aa-4815-94e4-94f0d41b2b01

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/375094/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64146633c60b3295f52b8ebc/reports/1011c7bc-a1dd-4de1-8706-cc3111fac600/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/100e4db8f177743e1659e2183aaa671c274d5d040da1cca723e8b409f12eca05
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f90c3aa4-fe6b-4968-b741-3073f7a1c113
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1195834
Signature
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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 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)
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 dnsIp2 2 Behavior Graph ID: 828732 Sample: PURCHASE_CONTRACT.exe Startdate: 17/03/2023 Architecture: WINDOWS Score: 100 42 api4.ipify.org 2->42 44 api.ipify.org 2->44 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected AgentTesla 2->58 60 3 other signatures 2->60 8 PURCHASE_CONTRACT.exe 7 2->8         started        12 NvTYaLXwnygePm.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\...34vTYaLXwnygePm.exe, PE32 8->34 dropped 36 C:\...36vTYaLXwnygePm.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpF6ED.tmp, XML 8->38 dropped 40 C:\Users\user\...\PURCHASE_CONTRACT.exe.log, ASCII 8->40 dropped 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->62 64 May check the online IP address of the machine 8->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->66 72 2 other signatures 8->72 14 PURCHASE_CONTRACT.exe 15 2 8->14         started        18 powershell.exe 19 8->18         started        20 schtasks.exe 1 8->20         started        22 PURCHASE_CONTRACT.exe 8->22         started        68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 24 NvTYaLXwnygePm.exe 12->24         started        26 schtasks.exe 1 12->26         started        signatures6 process7 dnsIp8 46 api4.ipify.org 173.231.16.76, 443, 49700, 49704 WEBNXUS United States 14->46 48 mail.southernboilers.org 199.79.62.12, 49701, 49705, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->48 52 2 other IPs or domains 14->52 74 Installs a global keyboard hook 14->74 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        50 api.ipify.org 24->50 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->76 78 Tries to steal Mail credentials (via file / registry access) 24->78 80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 32 conhost.exe 26->32         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/100e4db8f177743e1659e2183aaa671c274d5d040da1cca723e8b409f12eca05/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-17 02:04:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
23 of 39 (58.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cahe3ohro52d4fsz4imdvkthdqtu2xiebwq4zjzd5c2at4jozicq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2c5117280800871fbceb13a571a8d602c17f3c08247c8ccf546bb9dc8adda73e
AgentTesla
39cc4048b8a8f6b2ddbe8edbe44e801845189228c5799e36219ae85b003ad658
AgentTesla
493781dc1d845e09f96742dfdc2edaef673ac5d4b2139875929166f2627dc161
AgentTesla
67ad48248241d2c2eab1c3577523b39ffac1d22cfcc2809dbff73b5766da3e31
AgentTesla
94050c1bf88c84d698a636916155475a4501012d9b75cc38b6e344490470cac7
AgentTesla
aa0b32942c0f1a9b226440a56e8f8203366eee9498cbda5d6e49dc7c1a8946a9
AgentTesla
b812b1cc1c9ba19831ba71423031bd8c1e92ffd64e51cf811b686c7dd95b72ed
AgentTesla
b9e9daf6bb717f1fcf48903988ff22e8d08a2d7df065f08d4f7051afced9d66c
AgentTesla
e91b0fc888495a9583c32e70cae090980adccfab2ba310ff7f5f16eea7417354
AgentTesla
+ 1'459 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/230317-qc7xbsgc78/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
AgentTesla
Unpacked files
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/4ae0a020-4198-4746-a42f-46caa5f55d9d/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
b8ea468b058aa51a893fd3fb03b9c8194daf0f3f8bbe52e46b464842a8e0a1de
MD5 hash:
e536ed8a093317adcd5b6ae9570928b5
SHA1 hash:
92880eccf36589e2a624f551ee5f8770d4960aaf
Link:
https://www.unpac.me/results/4ae0a020-4198-4746-a42f-46caa5f55d9d/
SH256 hash:
b868e820fa5f6c5c60d37f50f05ce3d17914767443ffe59bcde6425625f3b0a9
MD5 hash:
957beaab633b18c26ba425f4ef31833a
SHA1 hash:
537eb981a790377e6c64d07f52e5272c7ee74a55
Link:
https://www.unpac.me/results/4ae0a020-4198-4746-a42f-46caa5f55d9d/
SH256 hash:
d1782186cefcd6c9f33cd356ea14d494de0ac19287876475c64f3ff48f4d5033
MD5 hash:
3df9d03e152dad0febcad0abbd666b9c
SHA1 hash:
1885f575aaf49a32993212401d6cfdea76d864d2
Link:
https://www.unpac.me/results/4ae0a020-4198-4746-a42f-46caa5f55d9d/
SH256 hash:
c7d30f5818236089dba39ebf60688134584d5ce5bf18d2a590fcd28144fa2e09
MD5 hash:
3fa7af3ad895c0a4fed3004e7ba672cb
SHA1 hash:
08e2ed8e78f8b8b68a5c62d864bd83ea7e82a13b
Link:
https://www.unpac.me/results/4ae0a020-4198-4746-a42f-46caa5f55d9d/
SH256 hash:
100e4db8f177743e1659e2183aaa671c274d5d040da1cca723e8b409f12eca05
MD5 hash:
10c95a75830e4c5b0d24939f2783d8ee
SHA1 hash:
45c11547056a8d26e166fef0bed06aeebb7c827c
Link:
https://www.unpac.me/results/4ae0a020-4198-4746-a42f-46caa5f55d9d/
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/100e4db8f177743e1659e2183aaa671c274d5d040da1cca723e8b409f12eca05

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

zip e7c8bff165cd2934371d0a9d66813088d9dd7640137f166ab3bce0cf6475f90e

AgentTesla

Executable exe 100e4db8f177743e1659e2183aaa671c274d5d040da1cca723e8b409f12eca05

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 e7c8bff165cd2934371d0a9d66813088d9dd7640137f166ab3bce0cf6475f90e
Cape
Cape
https://www.capesandbox.com/analysis/375094/
  
Dropped by
MD5 63716b0544c7e08b7b8c1d0a94798329

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