MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d791946e423b64c9ec976a5b9491b6ee9294e8dda0e5707ffbb4c96448b908e1. 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


Formbook


Vendor detections: 17


Intelligence 17 IOCs YARA 3 File information Comments
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SHA256 hash: d791946e423b64c9ec976a5b9491b6ee9294e8dda0e5707ffbb4c96448b908e1
SHA3-384 hash: 243cd656884867e9120596f53a8f9ffda635cf54a77e7b090c517a67245315cdec7e98f276b99d35cb86168ed307447a
SHA1 hash: bb76a7b8eca4575a6a5400c03a46abc3d6b3be2e
MD5 hash: 12b652ec70aefcda478ba3db7dade2ac
humanhash: item-blossom-lima-wyoming
File name:შესყიდვის შეკვეთა xxzc3 pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:564'736 bytes
First seen:2023-09-29 08:57:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9g725DuLH+qhoWaJByQZtPiY4RkONr/4GR66G0YvQFE5La:JQz+qh5QXaXR3/4GR66cvuE5+
Threatray 16 similar samples on MalwareBazaar
TLSH T1DBC4129979EA0766CA49537A1E9C873B03B0BA91C610E37DC1CB70CB46357981A36F73
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 b26969e8e8e8f0f0 (23 x AgentTesla, 13 x Formbook, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
273
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
შესყიდვის შეკვეთა xxzc3 pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-09-29 09:16:08 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/b782d14d-792c-462d-8ab5-fe9751881901

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6516919c1edabd9982a1be1f/reports/12eb1d4a-1410-406b-a89b-208b2b182da9/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d791946e423b64c9ec976a5b9491b6ee9294e8dda0e5707ffbb4c96448b908e1
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:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f28d105d-fd04-4f17-be17-58d4e8b889bb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1316307
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1316307 Sample: xzc3_pdf.exe Startdate: 29/09/2023 Architecture: WINDOWS Score: 100 76 Snort IDS alert for network traffic 2->76 78 Multi AV Scanner detection for domain / URL 2->78 80 Found malware configuration 2->80 82 11 other signatures 2->82 10 xzc3_pdf.exe 7 2->10         started        14 Yhettuod.exe 5 2->14         started        process3 file4 52 C:\Users\user\AppData\Roaming\Yhettuod.exe, PE32 10->52 dropped 54 C:\Users\user\AppData\Local\...\tmp8D24.tmp, XML 10->54 dropped 90 Uses schtasks.exe or at.exe to add and modify task schedules 10->90 92 Writes to foreign memory regions 10->92 94 Allocates memory in foreign processes 10->94 102 2 other signatures 10->102 16 RegSvcs.exe 10->16         started        19 powershell.exe 19 10->19         started        21 schtasks.exe 1 10->21         started        96 Multi AV Scanner detection for dropped file 14->96 98 Machine Learning detection for dropped file 14->98 100 Sample uses process hollowing technique 14->100 23 RegSvcs.exe 14->23         started        25 schtasks.exe 1 14->25         started        27 RegSvcs.exe 14->27         started        29 RegSvcs.exe 14->29         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 16->62 64 Maps a DLL or memory area into another process 16->64 66 Sample uses process hollowing technique 16->66 68 2 other signatures 16->68 31 explorer.exe 4 1 16->31 injected 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 25->39         started        process8 dnsIp9 56 polskiradio.com 167.172.228.26, 49826, 80 DIGITALOCEAN-ASNUS United States 31->56 58 td-ccm-neg-87-45.wixdns.net 34.149.87.45, 49829, 80 ATGS-MMD-ASUS United States 31->58 60 15 other IPs or domains 31->60 70 System process connects to network (likely due to code injection or exploit) 31->70 72 Performs DNS queries to domains with low reputation 31->72 74 Uses ipconfig to lookup or modify the Windows network settings 31->74 41 explorer.exe 31->41         started        44 ipconfig.exe 31->44         started        46 autochk.exe 31->46         started        signatures10 process11 signatures12 84 Modifies the context of a thread in another process (thread injection) 41->84 86 Maps a DLL or memory area into another process 41->86 88 Tries to detect virtualization through RDTSC time measurements 41->88 48 cmd.exe 41->48         started        process13 process14 50 conhost.exe 48->50         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d791946e423b64c9ec976a5b9491b6ee9294e8dda0e5707ffbb4c96448b908e1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-09-25 07:50:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=26izi3schnsmt3exnjnzjenw52jjj2g5udsxa773wtewisfzbdqq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2138dbdfee8ee957a0b9d2475b12d71e80a4e93d3f70aad66015bfc332021a50
Formbook
32ab70a0b9837a3a959859ae34b2b8d5c195298fce995370f8df8ce0094279d1
Formbook
4a053b5020a3a82c6b9f4a4e6ac3b3a2e3d628a3ae42a60cf94ddaaf42aafe98
Formbook
50ecc3b01ef9acca243b41728e62bec369d80da286281895cf3c4aadd6a1e444
Formbook
59a8979d512482bc6a656efb0445fbd1ad97b6c07e6b4353204c6992daca3e35
Formbook
61f4eee705342f7e875adc36c259693ec40a7682db74ab040b79dd189fffdf5a
Formbook
d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370
Formbook
d37b94cc6dbda1ab0be4125b9399716800149a27665acc13b62f62d9a5d29334
Formbook
d8c49ba8b26cbf93164e1051bd1322d0e855b4b15357fcad7a05edbb40564078
Formbook
+ 6 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g11y rat spyware stealer trojan
Link:
https://tria.ge/reports/230929-kw6wgsha5z/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
ff69e9866ccb941a52f0e7cb6d3f44d5aaa2a38809c1aa8ff1b19dcc0ae92ecf
MD5 hash:
6597e9bddfafdb69d20ad28afd36493f
SHA1 hash:
b36f37d6bffdc9476ef9a2a79b99d8f95855ddb0
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/b7f54897-5436-4e66-9d8b-7b31a92a1a8c/
Parent samples :
50ecc3b01ef9acca243b41728e62bec369d80da286281895cf3c4aadd6a1e444
99a6b266947d8ce131eca526226acbec21556a139713a161332e5c99e905fbba
4a053b5020a3a82c6b9f4a4e6ac3b3a2e3d628a3ae42a60cf94ddaaf42aafe98
d791946e423b64c9ec976a5b9491b6ee9294e8dda0e5707ffbb4c96448b908e1
SH256 hash:
abed99881ce1e05907653d1697ae232575d0cf067fd5cc646e2e5ee9f7337c82
MD5 hash:
491a7170bd8a7ed81d03a64ff2598bdf
SHA1 hash:
8325a5bccba80878a14032c06b78b34db808b910
Link:
https://www.unpac.me/results/b7f54897-5436-4e66-9d8b-7b31a92a1a8c/
SH256 hash:
3948a6615b65175f6fa2c03a4d7066a900a9ecb7be0fc59b2041b9d92d3839ef
MD5 hash:
f50c5ca67f54acb8414200721eb40842
SHA1 hash:
4b1166b076d45dbddeb4047adc603224595e74bb
Link:
https://www.unpac.me/results/b7f54897-5436-4e66-9d8b-7b31a92a1a8c/
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
Link:
https://www.unpac.me/results/b7f54897-5436-4e66-9d8b-7b31a92a1a8c/
SH256 hash:
d791946e423b64c9ec976a5b9491b6ee9294e8dda0e5707ffbb4c96448b908e1
MD5 hash:
12b652ec70aefcda478ba3db7dade2ac
SHA1 hash:
bb76a7b8eca4575a6a5400c03a46abc3d6b3be2e
Link:
https://www.unpac.me/results/b7f54897-5436-4e66-9d8b-7b31a92a1a8c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d791946e423b/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/d791946e423b64c9ec976a5b9491b6ee9294e8dda0e5707ffbb4c96448b908e1

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
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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

Formbook

Executable exe d791946e423b64c9ec976a5b9491b6ee9294e8dda0e5707ffbb4c96448b908e1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments