MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 640c4c852a87ad554657b71edf66ae8f22f5da19e19df44bdb4f043ff13430e2. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 640c4c852a87ad554657b71edf66ae8f22f5da19e19df44bdb4f043ff13430e2
SHA3-384 hash: 162dbdd38e25b1dd6fa77198a3ef8cdc970d5d32eea9d3e2fe5ec7718c4dfd278684e4fbfa2fe4cce4ebedc6ac04f63d
SHA1 hash: caf342223b45863e88127af858765f11e76693cb
MD5 hash: d421397b7ac756563e582432789c4418
humanhash: white-cardinal-sweet-red
File name:FOB For Port India.exe
Download: download sample
Signature Formbook
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File size:886'784 bytes
First seen:2022-09-13 10:08:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ysx1+Y71N8UDP5J+uSOsej1mnyt6kdEfqpRYa07:NrT1J+uSObBmyjdXpRY77
TLSH T14015290721D509A5C07651BC24CCC5B39BAADE85E63BC945BFC98CAFF192F2846D23B1
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
320
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309702/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.42577.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/632057446da26524a13bc4fa/reports/85e379ab-a81c-4687-8694-070c89ffce9e/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/3d7fdd55-60b1-4fbb-af62-fefd738e3773
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1069413
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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 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
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
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 signatures2 2 Behavior Graph ID: 701945 Sample: FOB For Port India.exe Startdate: 13/09/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 12 other signatures 2->56 9 FOB For Port India.exe 7 2->9         started        process3 file4 40 C:\Users\user\AppData\...\mWNnuKKSSSdq.exe, PE32 9->40 dropped 42 C:\Users\...\mWNnuKKSSSdq.exe:Zone.Identifier, ASCII 9->42 dropped 44 C:\Users\user\AppData\Local\...\tmp32E3.tmp, XML 9->44 dropped 46 C:\Users\user\...\FOB For Port India.exe.log, ASCII 9->46 dropped 66 Adds a directory exclusion to Windows Defender 9->66 68 Injects a PE file into a foreign processes 9->68 13 FOB For Port India.exe 9->13         started        16 powershell.exe 20 9->16         started        18 MpCmdRun.exe 1 9->18         started        20 schtasks.exe 1 9->20         started        signatures5 process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 13->70 72 Maps a DLL or memory area into another process 13->72 74 Sample uses process hollowing technique 13->74 76 Queues an APC in another process (thread injection) 13->76 22 systray.exe 13->22         started        25 explorer.exe 13->25 injected 28 autochk.exe 13->28         started        30 conhost.exe 16->30         started        32 conhost.exe 18->32         started        34 conhost.exe 20->34         started        process8 dnsIp9 58 Modifies the context of a thread in another process (thread injection) 22->58 60 Maps a DLL or memory area into another process 22->60 62 Tries to detect virtualization through RDTSC time measurements 22->62 36 cmd.exe 1 22->36         started        48 www.wimbledonprintbox.co.uk 208.91.197.91, 49736, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 25->48 64 System process connects to network (likely due to code injection or exploit) 25->64 signatures10 process11 process12 38 conhost.exe 36->38         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/640c4c852a87ad554657b71edf66ae8f22f5da19e19df44bdb4f043ff13430e2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-09-13 04:17:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mqgezbjkq6wvkrsxw4pn6zvor4rplwqz4go7is63j4cd74jugdra._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:t39h rat spyware stealer trojan
Link:
https://tria.ge/reports/220913-l6r1rafcf6/
Behaviour
Creates scheduled task(s)
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
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/66db29c5-0e38-4d08-8d56-794c0790229f
Unpacked files
SH256 hash:
c20ae73306e10f2e0cb2515eb81f8001ea483060b32764bd645434be150fcb73
MD5 hash:
bdd746043f1fe1df6bfb0b1e708d2032
SHA1 hash:
87dbbbdfbc85f0dd16e5330e05bd5e77fd9a5672
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/edab2b98-c12e-430a-bf80-9725ec941030/
Parent samples :
67e1831d726f1baa56e0f1a8f37bcb78ec0aa11a2d1117591d207f3aee8c1551
434877dacffb08580c061bdf1a16b2549eab40d01e4c8fc268d1831b59828799
640c4c852a87ad554657b71edf66ae8f22f5da19e19df44bdb4f043ff13430e2
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/edab2b98-c12e-430a-bf80-9725ec941030/
SH256 hash:
1e6bee38a1f9b71cff9d399916675252d62ed72f4f07a4a155fdca0abdb7b4dd
MD5 hash:
9ef0df603995cdab9791d265714ccf6f
SHA1 hash:
907026f471329b5083d61757cae88b6715512131
Link:
https://www.unpac.me/results/edab2b98-c12e-430a-bf80-9725ec941030/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/edab2b98-c12e-430a-bf80-9725ec941030/
SH256 hash:
e8e17be5ecc250c560675b6d0d84bed36751e69e5b4b23172cc3800ca8447f69
MD5 hash:
d6cc7c0b1f8ab9b86c7ea6f1e6ea0f90
SHA1 hash:
21fe26bbc457ecfaf04a658210da83a511189eb2
Link:
https://www.unpac.me/results/edab2b98-c12e-430a-bf80-9725ec941030/
SH256 hash:
640c4c852a87ad554657b71edf66ae8f22f5da19e19df44bdb4f043ff13430e2
MD5 hash:
d421397b7ac756563e582432789c4418
SHA1 hash:
caf342223b45863e88127af858765f11e76693cb
Link:
https://www.unpac.me/results/edab2b98-c12e-430a-bf80-9725ec941030/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/640c4c852a87/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/640c4c852a87ad554657b71edf66ae8f22f5da19e19df44bdb4f043ff13430e2

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/309702/

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