MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c587f99ca9d68ca527dc2e28c72fc4ddbd5f2affc859d84d10bfd5c5c80aa842. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c587f99ca9d68ca527dc2e28c72fc4ddbd5f2affc859d84d10bfd5c5c80aa842
SHA3-384 hash: dafe6aaeb42e36b1bc1e79580aa67e3a009783d8d4bcca8c2d36e3da043a9c7ad250c89ee9d62bb9eae826b49fce4497
SHA1 hash: b06525195b64e8f45e28567abcf6d3db8dff8c9f
MD5 hash: 2f7d0e33406d4f1b3afe3a5ef312dcae
humanhash: kilo-aspen-diet-nebraska
File name:Proforma Invoice#89765788.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:930'304 bytes
First seen:2023-08-23 13:13:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:45+2d1mbTc9tBN7Eaia8jFbY+y/ccPgbXHF0qTTPX5jN8CIdA5s3QidDk/f1SGC0:e6yvNliVb9FFn8RdA5sRQ1pCxQkRTI
Threatray 119 similar samples on MalwareBazaar
TLSH T1C8150141B7B85F57E87513FA0B52624007F76AAA213AE6898DC374CF6950F818F11F93
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 James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
311
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma Invoice#89765788.exe
Verdict:
Malicious activity
Analysis date:
2023-08-23 13:15:00 UTC
Tags:
darkcloud
Link:
https://app.any.run/tasks/6e8193e6-d49f-4371-92b5-35c956aa2d93

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DarkCloud
Create hunting rule
Link:
https://www.capesandbox.com/analysis/444309/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.DownLoaderNET.710.29623.21926.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c587f99ca9d68ca527dc2e28c72fc4ddbd5f2affc859d84d10bfd5c5c80aa842
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:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/527db493-23ee-4de4-8821-0695e4f33eff
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1295882
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes or reads registry keys via WMI
Yara detected AntiVM3
Yara detected DarkCloud
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1295882 Sample: Proforma_Invoice#89765788.exe Startdate: 23/08/2023 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 8 other signatures 2->62 7 Proforma_Invoice#89765788.exe 7 2->7         started        11 galloway.exe 2->11         started        13 HrYWkKJV.exe 5 2->13         started        15 galloway.exe 2->15         started        process3 file4 50 C:\Users\user\AppData\Roaming\HrYWkKJV.exe, PE32 7->50 dropped 52 C:\Users\user\AppData\Local\...\tmp4123.tmp, XML 7->52 dropped 64 May check the online IP address of the machine 7->64 66 Uses schtasks.exe or at.exe to add and modify task schedules 7->66 68 Adds a directory exclusion to Windows Defender 7->68 17 Proforma_Invoice#89765788.exe 1 16 7->17         started        21 powershell.exe 20 7->21         started        23 schtasks.exe 1 7->23         started        70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 74 Writes or reads registry keys via WMI 11->74 25 galloway.exe 11->25         started        36 4 other processes 11->36 76 Injects a PE file into a foreign processes 13->76 27 HrYWkKJV.exe 14 13->27         started        29 schtasks.exe 1 13->29         started        31 galloway.exe 15->31         started        34 schtasks.exe 15->34         started        signatures5 process6 dnsIp7 54 showip.net 162.55.60.2, 49709, 49720, 49732 ACPCA United States 17->54 48 C:\Users\user\AppData\...\galloway.exe, PE32 17->48 dropped 38 conhost.exe 21->38         started        40 conhost.exe 23->40         started        42 conhost.exe 29->42         started        78 Tries to harvest and steal browser information (history, passwords, etc) 31->78 44 conhost.exe 34->44         started        46 conhost.exe 36->46         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c587f99ca9d68ca527dc2e28c72fc4ddbd5f2affc859d84d10bfd5c5c80aa842/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-22 15:45:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywd7thfj22gkkj64fyumol6e3w6v6kx7zbm5qtiqx7k4lsakvbba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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1870568f702f6dace356e56e859fa30674e6388dfdfd76c056e446f12d356128
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76de16b596ad3700130d2d2c02a9ca144ace99bef78a7088b93f069673cbe972
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845bd19a89db0310a363f915e1e92d5e1d2943bd4cb0f9422368d563de2d850d
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e01f586f773c36468995eabf2682dfc209824b06a8a784bfb34b7fad499bc22a
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ed51a8f4dbf107d4fc9a3d91d8f5876a263fb70ee91d5acca02702de8aac01f8
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f9c4add410b55fb7a5b176a3f71761bbdc6b138f6e7a2f1e39f8ee094dd3b992
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fbe43eccf559247f04391a68d08546953f0010957aaaa0205187a96b5fe57c94
AgentTesla
+ 109 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud stealer
Link:
https://tria.ge/reports/230823-qgmf7adh5s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
DarkCloud
Malware Config
C2 Extraction:
https://api.telegram.org/bot6028253602:AAFFbacUfiOxmvzuo36D6g83Flf23bpPXYA/sendMessage?chat_id=5954758350
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/f939176e-f3de-4893-a7d5-618ed3fc2817/
SH256 hash:
d615efc92ca5f5e4a908788b4eb4d834d020a60e1f5cef39f4335307140efe6e
MD5 hash:
6129371d94be3468f626d41d217590dd
SHA1 hash:
598cd81371cb96726c9ce98f9752ae420b885d4d
Detections:
darkcloudstealer
Create hunting rule
Link:
https://www.unpac.me/results/f939176e-f3de-4893-a7d5-618ed3fc2817/
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/f939176e-f3de-4893-a7d5-618ed3fc2817/
SH256 hash:
6b959869f767cbed167d5169ef0f2375ea56e202a0a8ac8dbb8f05cd1eae661e
MD5 hash:
e845de7a4cd00244a0f9446be285469b
SHA1 hash:
9749766f00920445091f6b27306bf09be01c0ae5
Link:
https://www.unpac.me/results/f939176e-f3de-4893-a7d5-618ed3fc2817/
SH256 hash:
127714a3f33ff3bd64ca83f1c842fc4bf4e6ac9f74a895e06c79859183aa3d3b
MD5 hash:
870b76bd50f350c152a35c682b038e18
SHA1 hash:
63d5fec5d395b9eacb16f226233cd19b5ef3fa71
Link:
https://www.unpac.me/results/f939176e-f3de-4893-a7d5-618ed3fc2817/
SH256 hash:
c587f99ca9d68ca527dc2e28c72fc4ddbd5f2affc859d84d10bfd5c5c80aa842
MD5 hash:
2f7d0e33406d4f1b3afe3a5ef312dcae
SHA1 hash:
b06525195b64e8f45e28567abcf6d3db8dff8c9f
Link:
https://www.unpac.me/results/f939176e-f3de-4893-a7d5-618ed3fc2817/
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/c587f99ca9d68ca527dc2e28c72fc4ddbd5f2affc859d84d10bfd5c5c80aa842

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:NET
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/444309/

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