MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3b780e1a34896abf6217364f6616a1f45c78b3723ba4f4ad35b57c9ce1ad7cc. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3b780e1a34896abf6217364f6616a1f45c78b3723ba4f4ad35b57c9ce1ad7cc
SHA3-384 hash: 30724ec5f8a89e2a4ff5037b32c6e674bea6184bf930b241428bf69f56a005988f78cdbb25b339dbe2865a258ab1a636
SHA1 hash: 29cd7aa51d90650fc2fbd76dfbfccf04c387766c
MD5 hash: af9306dbbce112b20c74b6e7d36a726f
humanhash: seventeen-carpet-ohio-tango
File name:Orden de compra.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:781'312 bytes
First seen:2022-07-18 16:21:54 UTC
Last seen:Never
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:Xl6EKqNzB0WBNCWb2gb3IU3STkk56C90Ig11cxuOLX/YRAHZWcLqmeNicAo7ZHaf:16EKqNl0usO9s9rgfcxuOLIdcLqmeNJy
TLSH T1E6F4015037E44B09DA7E07FC9479444097B2BA163172E3AD8DD1B0DE2A72B85CB85F2B
TrID 54.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/291645/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44341.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit packed
Link:
https://www.filescan.io/uploads/62d589378fbcdde3605ab882/reports/021ced58-249b-40bb-8466-b54afe09bf73/overview
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/cf158567-5d18-47d1-b546-6dd7dd82c100
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1035959
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in 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
Snort IDS alert for network traffic
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 668456 Sample: Orden de compra.exe Startdate: 18/07/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 9 other signatures 2->40 10 Orden de compra.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\Orden de compra.exe.log, ASCII 10->28 dropped 50 Injects a PE file into a foreign processes 10->50 14 Orden de compra.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 30 gcyuxdm.sitelockcdn.net 107.154.162.134, 49760, 80 INCAPSULAUS United States 17->30 32 www.helmtekmobi.com 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 control.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/c3b780e1a34896abf6217364f6616a1f45c78b3723ba4f4ad35b57c9ce1ad7cc/
Threat name:
Win32.Trojan.GenericML
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Status:
Malicious
First seen:
2022-07-18 16:22:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yo3ybyndjclkx5rbonspmylkd5c4pczxeo5e6swtlnl4ttq227ga._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:my24 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220718-tt757saghr/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
37c61ebe56b10053ab75cbd9a4a10d0b7508e4c8ad2430dc34bf1377843e68d5
MD5 hash:
689515c90b1556600751994a94decda4
SHA1 hash:
82e2bf63e74e7c005c9df1b0dec0dbc72ef31d7d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/c65ff6b4-494b-4f24-ba96-52487bc4fed8/
Parent samples :
c3b780e1a34896abf6217364f6616a1f45c78b3723ba4f4ad35b57c9ce1ad7cc
c2c5930d4e3db44fe52126af7f02cceac19a620633a173a68962f3de642e61ec
d64822fecb22e8811efd243871f2446db656e1f89a02e1b97e92930bc4cb7c41
SH256 hash:
f38a69f8b960b7c1a243284ef6bf51a90b860b00d8b13ae59fa2231226418f1c
MD5 hash:
9e959df9c58f59f5b7e3e637f811806a
SHA1 hash:
e0eff01b1ef98af2f89c1105ad52dc90c972b513
Link:
https://www.unpac.me/results/c65ff6b4-494b-4f24-ba96-52487bc4fed8/
SH256 hash:
e0ed38163ef1c7e83ed6900592bd800053884d4db744993bfa7d6b9d65258854
MD5 hash:
6ffd04ceee1d7a685430c055c440c67a
SHA1 hash:
a7d3a0e48203404e2b06200ea53f889642546679
Link:
https://www.unpac.me/results/c65ff6b4-494b-4f24-ba96-52487bc4fed8/
SH256 hash:
78b881e876263680efebc03ad5d1eddfcfe7f0867276832872fefcc1897bdf9c
MD5 hash:
ec3fbc43f8dba983771f81fd96690fae
SHA1 hash:
963e392f594de807020a0f69afa0e2c068ca93d2
Link:
https://www.unpac.me/results/c65ff6b4-494b-4f24-ba96-52487bc4fed8/
SH256 hash:
1bced31aaeda54366fcea3f04bdf8a1aa89f54c48660a8919c7b6fdfd23ed0a9
MD5 hash:
2e3d8682972eda68494caee2f811b692
SHA1 hash:
55d5852a851f14796027574e0713ddc59fe24369
Link:
https://www.unpac.me/results/c65ff6b4-494b-4f24-ba96-52487bc4fed8/
SH256 hash:
c3b780e1a34896abf6217364f6616a1f45c78b3723ba4f4ad35b57c9ce1ad7cc
MD5 hash:
af9306dbbce112b20c74b6e7d36a726f
SHA1 hash:
29cd7aa51d90650fc2fbd76dfbfccf04c387766c
Link:
https://www.unpac.me/results/c65ff6b4-494b-4f24-ba96-52487bc4fed8/
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/c3b780e1a34896abf6217364f6616a1f45c78b3723ba4f4ad35b57c9ce1ad7cc

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
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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.

Malspam

Formbook

Executable exe c3b780e1a34896abf6217364f6616a1f45c78b3723ba4f4ad35b57c9ce1ad7cc

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/291645/

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