MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dafb1fca1a3da90f61c45d4601373016b4823f2082efab3604c479d035266485. 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: 18


Intelligence 18 IOCs YARA 2 File information Comments
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SHA256 hash: dafb1fca1a3da90f61c45d4601373016b4823f2082efab3604c479d035266485
SHA3-384 hash: 1856dc07d8c88cceaf7dd1f8bc401b89751e048323f91ab8c5b8bae1124fa8406e4d88ad313cdf123bd225aae0588f49
SHA1 hash: c3d088140cc5f4c0b82dce9088b93a012ddb0ffb
MD5 hash: 6e2c10beda336bcec2b48d9d914cdf27
humanhash: lake-pennsylvania-tango-nine
File name:MT103-Referance Number 059235.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:936'448 bytes
First seen:2022-09-12 13:38:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Q8dYx6gz+a4r9W2EPFxzkkWpKDaLOgh/WXxcGlbNMYu:VYIgzR4w2qFSkRaLOglktlb1
Threatray 15'784 similar samples on MalwareBazaar
TLSH T199153B0721C50DA5C57290BC24CCC5B75BAACE95E63BC945BFC99CAFF582F2846D22B0
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
384
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
MT103-Referance Number 059235.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-09-12 13:41:27 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/03f80417-4651-41f5-a5dd-d0ddbddc732f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/309495/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.42183.UNOFFICIAL
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SecuriteInfo.com.Trojan.Inject4.42577.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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 from a recently created file
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/631f36d1e73fb79b7a0e84db/reports/71f03464-15e8-48b3-b8d5-e97063854b7a/overview
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/82ae8da3-cfc5-4a87-a5a9-88e6e6a6320c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068859
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 701391 Sample: MT103-Referance Number 0592... Startdate: 12/09/2022 Architecture: WINDOWS Score: 100 44 www.kenyeah.com 2->44 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 13 other signatures 2->54 11 MT103-Referance Number 059235.pdf.exe 7 2->11         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\RyqElC.exe, PE32 11->36 dropped 38 C:\Users\user\...\RyqElC.exe:Zone.Identifier, ASCII 11->38 dropped 40 C:\Users\user\AppData\Local\...\tmpACBB.tmp, XML 11->40 dropped 42 MT103-Referance Nu... 059235.pdf.exe.log, ASCII 11->42 dropped 56 Adds a directory exclusion to Windows Defender 11->56 15 MSBuild.exe 11->15         started        18 powershell.exe 21 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 15->64 66 Maps a DLL or memory area into another process 15->66 68 Sample uses process hollowing technique 15->68 70 2 other signatures 15->70 22 explorer.exe 15->22 injected 25 conhost.exe 18->25         started        27 conhost.exe 20->27         started        process9 dnsIp10 46 192.168.2.1 unknown unknown 22->46 29 systray.exe 22->29         started        process11 signatures12 58 Modifies the context of a thread in another process (thread injection) 29->58 60 Maps a DLL or memory area into another process 29->60 62 Tries to detect virtualization through RDTSC time measurements 29->62 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dafb1fca1a3da90f61c45d4601373016b4823f2082efab3604c479d035266485/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-09-09 05:04:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3l5r7sq2hwuq6yoelvdacnzqc22iepzaqlx2wnqeyr45anjgmscq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5c58e2edb4b7fa9a04901a73e7f34e5a93aec5703e03ec87f79b2799b7be7119
Formbook
67e1831d726f1baa56e0f1a8f37bcb78ec0aa11a2d1117591d207f3aee8c1551
Formbook
77b910c55fbbd7f039208e66d79081fc98114685535974d5985546aea049d502
Formbook
84cd1092d3d60114702dd6db25a79ac062b5f8f481413bb3e5eaf263a06016d8
Formbook
959fc8883e6b1d4ab77f9738792435e2dae1969530f36d2672db6cb397778687
Formbook
9b30d60ee8253334584b819faeb61933b028a0767b5cd3c99f2a4d3c2d8f5aae
Formbook
9bfbca223cfe1d4ad139cc89861b6dfb09d24a63c24f3291a4af0508e03ee8b6
Formbook
d1e081645509446dbf1a8587799dc544ed342da42a6bc778a3fe39fc9c065ff7
Formbook
dd03e528c8317460c39f9135e4505313fa2817806702a86f6cb337c5382195db
Formbook
+ 15'774 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:sg94 rat spyware stealer trojan
Link:
https://tria.ge/reports/220912-qxy5xsdda9/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Gathers network information
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/165d4053-fa5e-48b0-a0e5-79985048efca
Unpacked files
SH256 hash:
5f03e4a3ced13c509e1bff7eef4ea91ef8fbf7558e828c31bdff2c525373d171
MD5 hash:
ba381b26613f340f0c2bc07a11811397
SHA1 hash:
df451b830bb7941326e0232b93c97d30b0177d15
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3ea7c5a7-acad-422a-9750-be30790fb74e/
Parent samples :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 hash:
90c1c03422ef45e7a6d2628dc1ed5a2fcd0d13e056f6c2f78ef541e8ac4ef407
MD5 hash:
b0fd8f3d87663eb31d65b96eee78e8f0
SHA1 hash:
eca04d53ae8bd8b2018aca2a68d619884133ba27
Link:
https://www.unpac.me/results/3ea7c5a7-acad-422a-9750-be30790fb74e/
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/3ea7c5a7-acad-422a-9750-be30790fb74e/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/3ea7c5a7-acad-422a-9750-be30790fb74e/
SH256 hash:
aa10cb7a06e453bd39047d6db2d41a7eebd6dd423cf5d458675bf9deda7cd41e
MD5 hash:
4f685ba801955e251d4db69b5cbc9517
SHA1 hash:
188f96ec72f6a1f5d0c17ba040878b0d2d420383
Link:
https://www.unpac.me/results/3ea7c5a7-acad-422a-9750-be30790fb74e/
SH256 hash:
dafb1fca1a3da90f61c45d4601373016b4823f2082efab3604c479d035266485
MD5 hash:
6e2c10beda336bcec2b48d9d914cdf27
SHA1 hash:
c3d088140cc5f4c0b82dce9088b93a012ddb0ffb
Link:
https://www.unpac.me/results/3ea7c5a7-acad-422a-9750-be30790fb74e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dafb1fca1a3d/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/dafb1fca1a3da90f61c45d4601373016b4823f2082efab3604c479d035266485

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
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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/309495/

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