MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a1189a38c1148e8c829eca6808ff3bf76df724cdb8dc301a1e5a0e18916739a. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: 1a1189a38c1148e8c829eca6808ff3bf76df724cdb8dc301a1e5a0e18916739a
SHA3-384 hash: 6dec19810d579cb804e53106fe42c456e8df85a27c3eb6c147db8376136336c35d38468156dbbfca97ed2822a95907eb
SHA1 hash: 07e6c34e21fc58d24dccb31917d9480cbbebd3e8
MD5 hash: 4fee7cd1bd8d7744d70ff20c4fe08889
humanhash: burger-uranus-alaska-kitten
File name:4fee7cd1bd8d7744d70ff20c4fe08889.exe
Download: download sample
Signature Formbook
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File size:427'008 bytes
First seen:2021-10-30 06:44:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:PtRcFh+8sKQifRmvVca5/1f1O99QJUVQQ:VRcFhwak9l/1dk9QJU
Threatray 10'957 similar samples on MalwareBazaar
TLSH T14F94E0D371358614CA588BF448A184C41F766C2A4E0EDE8A3BB4BB9E5B3276D43136F3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase order.doc
Verdict:
Malicious activity
Analysis date:
2021-10-30 05:05:51 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/4d410010-c9f3-4dff-8799-b047827aaee2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.6999.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
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:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9a2343b8-f3fe-49f4-8876-84b472262dcc
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/879732
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 512164 Sample: R2QODi7Fxk.exe Startdate: 30/10/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 7 other signatures 2->44 10 R2QODi7Fxk.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\R2QODi7Fxk.exe.log, ASCII 10->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 R2QODi7Fxk.exe 10->14         started        17 R2QODi7Fxk.exe 10->17         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 19 explorer.exe 14->19 injected process8 dnsIp9 32 integtiryhvacsanmateo.com 173.201.252.164, 49785, 80 AS-26496-GO-DADDY-COM-LLCUS United States 19->32 34 www.plewabuilders.com 19->34 36 www.integtiryhvacsanmateo.com 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 explorer.exe 19->23         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 23->48 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/1a1189a38c1148e8c829eca6808ff3bf76df724cdb8dc301a1e5a0e18916739a/
Threat name:
Win32.Trojan.Generic
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Status:
Suspicious
First seen:
2021-10-30 06:45:15 UTC
AV detection:
10 of 44 (22.73%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
342bac531d9b15d642629e91af8944289af752dd5d70c687e39cefe9a14dc81d
Formbook
7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0
Formbook
85ee6fb97c2010a9360ee393b6f8515260e312de96ca3afbde06d5aaed699d3d
Formbook
a2dd12adec362ce7457da7795a1b0505dc2c88ab322a1c59637e8196528739f0
Formbook
b0cfa1848c7b08eb881e615731493df57963468fa3fb461ebf1468271dd17a14
Formbook
b89374513ef2e5bd74a6922fc049df5d7037136f47c0fa67c6587ea363513958
Formbook
ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70
Formbook
+ 10'947 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:jy0b rat spyware stealer trojan
Link:
https://tria.ge/reports/211030-hh4g4aeeh8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.filecrev.com/jy0b/
Unpacked files
SH256 hash:
5f345f7c4e00a361e326b4678f1812965e8a14957b065eb78d6da684aa0fe0d3
MD5 hash:
4d6d5351b751dec76d80c643bb7d6846
SHA1 hash:
a4695f4529fe8b467ce8711dd5d55fd27f4ddbc3
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/8091c0d6-6930-4a48-b3a2-aa854fc283f1/
Parent samples :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 hash:
674ed1707c8b0ff727d3fcfddbc2172cdc0f3d15f22f99d1f1a36f9b02a0ae07
MD5 hash:
9bea72077fab4107397e4b27749e003e
SHA1 hash:
69b21fface53157f838b4e6a205b76965707848f
Link:
https://www.unpac.me/results/8091c0d6-6930-4a48-b3a2-aa854fc283f1/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/8091c0d6-6930-4a48-b3a2-aa854fc283f1/
SH256 hash:
1a1189a38c1148e8c829eca6808ff3bf76df724cdb8dc301a1e5a0e18916739a
MD5 hash:
4fee7cd1bd8d7744d70ff20c4fe08889
SHA1 hash:
07e6c34e21fc58d24dccb31917d9480cbbebd3e8
Link:
https://www.unpac.me/results/8091c0d6-6930-4a48-b3a2-aa854fc283f1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/1a1189a38c1148e8c829eca6808ff3bf76df724cdb8dc301a1e5a0e18916739a

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 1a1189a38c1148e8c829eca6808ff3bf76df724cdb8dc301a1e5a0e18916739a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1705973/
  
Delivery method
Distributed via web download

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