MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8d81baba4d22733ad73630b4a908b8eff601187bdadbf9c71d5c958f0b3dc50. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8d81baba4d22733ad73630b4a908b8eff601187bdadbf9c71d5c958f0b3dc50
SHA3-384 hash: 07ab40b03adc1a0084e7b876a488c252387d4dba7c583a73e30f3de02337d54c7877afc71d14e66f3b073684d8b59139
SHA1 hash: 523a3564e63ac42324dfb39a00db9064d01d0769
MD5 hash: f0d704e11c70e1b9dee8e1f8ceae309d
humanhash: seven-jersey-edward-wyoming
File name:PURCHASE ORDER_INQUIRY.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:679'936 bytes
First seen:2023-10-26 12:39:54 UTC
Last seen:2023-10-31 12:41:50 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 12288:vwmIYbueklNCrkF4DnhvWcht9uxXVHVIAExd1kmmzM3:vwAbu1rCzDhvxht9uBJV8kmmo
Threatray 572 similar samples on MalwareBazaar
TLSH T1B0E41289725EDF65DABF4BB688A6211223B3650B2521D34C0DCF51FA4E33B878509F27
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 cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
350
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PURCHASE ORDER_INQUIRY.exe
Verdict:
Malicious activity
Analysis date:
2023-10-26 12:42:20 UTC
Tags:
sinkhole agenttesla stealer
Link:
https://app.any.run/tasks/5fbcae95-4310-40a4-b6f9-a882c4a42a71

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/456536/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.2470.2775.10024.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
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd lolbin masquerade packed
Link:
https://www.filescan.io/uploads/653a5e247462628255553dca/reports/270c1ef8-758b-4478-a310-c5de1aa0227a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c8d81baba4d22733ad73630b4a908b8eff601187bdadbf9c71d5c958f0b3dc50
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/4bf64e07-c48d-4692-818f-630059db2c4e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1332675
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1332675 Sample: PURCHASE_ORDER_INQUIRY.exe Startdate: 26/10/2023 Architecture: WINDOWS Score: 100 51 mail.asiaparadisehotel.com 2->51 53 api4.ipify.org 2->53 55 api.ipify.org 2->55 61 Snort IDS alert for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 10 other signatures 2->67 8 PURCHASE_ORDER_INQUIRY.exe 7 2->8         started        12 NXcnSEQvnZJ.exe 5 2->12         started        14 SCbuN.exe 2->14         started        16 SCbuN.exe 2->16         started        signatures3 process4 file5 47 C:\Users\user\AppData\...47XcnSEQvnZJ.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmpA85A.tmp, XML 8->49 dropped 79 Uses schtasks.exe or at.exe to add and modify task schedules 8->79 81 Writes to foreign memory regions 8->81 83 Allocates memory in foreign processes 8->83 89 2 other signatures 8->89 18 RegSvcs.exe 16 4 8->18         started        23 RegSvcs.exe 8->23         started        25 powershell.exe 19 8->25         started        27 schtasks.exe 1 8->27         started        85 Multi AV Scanner detection for dropped file 12->85 87 Machine Learning detection for dropped file 12->87 29 RegSvcs.exe 3 12->29         started        31 schtasks.exe 1 12->31         started        33 RegSvcs.exe 12->33         started        35 conhost.exe 14->35         started        37 conhost.exe 16->37         started        signatures6 process7 dnsIp8 57 api4.ipify.org 104.237.62.212, 443, 49711, 49713 WEBNXUS United States 18->57 45 C:\Users\user\AppData\Roaming\...\SCbuN.exe, PE32 18->45 dropped 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->71 39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        59 mail.asiaparadisehotel.com 112.213.92.100, 49716, 587 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 29->59 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->73 75 Tries to steal Mail credentials (via file / registry access) 29->75 77 Tries to harvest and steal browser information (history, passwords, etc) 29->77 43 conhost.exe 31->43         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c8d81baba4d22733ad73630b4a908b8eff601187bdadbf9c71d5c958f0b3dc50
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c8d81baba4d22733ad73630b4a908b8eff601187bdadbf9c71d5c958f0b3dc50/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-10-24 16:08:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zdmbxk5e2itthlltmmfuveelr37waemhxww37hdr2xevr4ft3ria._file
Verdict:
malicious
Similar samples:
5f282e51360d29f2c0a4b8adf49357c28b2a6413fabf5fba3ac89d8e5ebdda79
AgentTesla
5f2d8658d5995ef397df2b732213bc26b55bfb95e9d02a83a339d6590c4ef089
AgentTesla
6113b0d235274f9aec41137c989925628903742267d4d66215351e20f618bbcd
AgentTesla
71551d17db59a2ad36d75a15b0b0a84444c2b0e3de1309f14ac8abb305d26b32
AgentTesla
79a3e78963722ecbd5e488ce4041713fbbd809ffbe0806e230d2f291956947f8
AgentTesla
cd17f9d78f3c5ba82872d4f579be0ecbb0ebccaa809c89e1beb426ab01572b1f
AgentTesla
d628314071c970348f71db49371f3c0b44106db7caa3cfcd403be335ee57647a
AgentTesla
d80fada7b74a6cea6b45162c128492c9a4848ae9ae2dccb12e05401f8e50195f
AgentTesla
e6d6dc7bbb506e894bb0742b96b51302961084748ad7d255e845f5998c3b8483
AgentTesla
+ 562 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231026-pv673sbg8w/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/d3eea0e1-513f-4fdd-8929-59a11f09847c/
SH256 hash:
fd176165a243e915851f120a7ae83a014f5ec6a3bb3f108c94cbddd49b7c8d83
MD5 hash:
d52354b7855f5d07fc4f1f78cb80b004
SHA1 hash:
ea542266f6208a83c7b34bda37c46f36f10dab1b
Link:
https://www.unpac.me/results/d3eea0e1-513f-4fdd-8929-59a11f09847c/
SH256 hash:
4f9a7878a8f362389eff72332a734bdfc7e846dd5d75c4c05d94c5818bcc0169
MD5 hash:
5b952d5ef641cf44551b32a13bd83742
SHA1 hash:
dc0cced403c4186725d1bf79aeefc22df2bcf80d
Link:
https://www.unpac.me/results/d3eea0e1-513f-4fdd-8929-59a11f09847c/
SH256 hash:
1b1c6d4bcdc5a9c1df2fd1f8cb9f7a18183457ae6fb0b724d13fb372025f89b1
MD5 hash:
c9b9e21c97702f633634185b937e0ff7
SHA1 hash:
b4c43bb43e63a34496dc91dbb9c8e077baf65e40
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/d3eea0e1-513f-4fdd-8929-59a11f09847c/
Parent samples :
396c0d9287ca7076e69c65547d200420de9d991716d4fd5567d13f261f6465f6
ec3c5f87dd51127d36272f399759f9e7493a81e37844827b4b1a99685f8340e7
c8d81baba4d22733ad73630b4a908b8eff601187bdadbf9c71d5c958f0b3dc50
SH256 hash:
c8d81baba4d22733ad73630b4a908b8eff601187bdadbf9c71d5c958f0b3dc50
MD5 hash:
f0d704e11c70e1b9dee8e1f8ceae309d
SHA1 hash:
523a3564e63ac42324dfb39a00db9064d01d0769
Link:
https://www.unpac.me/results/d3eea0e1-513f-4fdd-8929-59a11f09847c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c8d81baba4d2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/c8d81baba4d22733ad73630b4a908b8eff601187bdadbf9c71d5c958f0b3dc50

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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

rar 480dfe38da3e2e4d27bc338ddf0329404d0e6ffe9a1ffd048aca6ffe0ef140af

AgentTesla

Executable exe c8d81baba4d22733ad73630b4a908b8eff601187bdadbf9c71d5c958f0b3dc50

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 480dfe38da3e2e4d27bc338ddf0329404d0e6ffe9a1ffd048aca6ffe0ef140af
Cape
Cape
https://www.capesandbox.com/analysis/456536/
  
Dropped by
MD5 54577075fd135f422c171972d5525d9d

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