MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f02f47777a5186b3e8a7822d1020cf0eaf441be6c1cea2b51f495a3902eb26f8. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: f02f47777a5186b3e8a7822d1020cf0eaf441be6c1cea2b51f495a3902eb26f8
SHA3-384 hash: fe976090107170f357dca57c8e2ca9da45cec2b370f02e3abd28af52dfa46223af0230a6858cd5e6be61e4b6a95f4202
SHA1 hash: b4f5c1f4b87a296abc8400f20e68e512133c5702
MD5 hash: acf46a89799ca2ee932e788f97c1aa6c
humanhash: washington-bakerloo-autumn-alanine
File name:EPOCH GSTR3B SEP22.exe
Download: download sample
Signature Formbook
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File size:828'928 bytes
First seen:2022-10-22 23:28:22 UTC
Last seen:2022-10-23 01:11:00 UTC
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:tBHVO+swxSU1snr3EF2/zlbkQ2Bwy3elQV1irfEu5:tBHHsm4r3Ecl/4duQzi
TLSH T1450548B626D51217E02972B69183E5F326FBAE506041E1C365D30F6FBC851BBD62338B
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
EPOCH GSTR3B SEP22.exe
Verdict:
Malicious activity
Analysis date:
2022-10-22 23:30:24 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/58f8ddda-c86a-494a-ae06-6b7084c3888b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/322804/
Detection(s):
SecuriteInfo.com.Trojan.KillProc.41518.5949.5832.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63547cbf66721ebd9b2f7385/reports/561efb53-8e56-4efc-b750-1fc28b4606df/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0b3716a4-27ff-45e9-a1ef-2c1061372dec
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1095684
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 728325 Sample: EPOCH GSTR3B SEP22.exe Startdate: 23/10/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected AntiVM3 2->40 42 7 other signatures 2->42 10 EPOCH GSTR3B SEP22.exe 3 2->10         started        process3 file4 28 C:\Users\user\...POCH GSTR3B SEP22.exe.log, ASCII 10->28 dropped 54 Injects a PE file into a foreign processes 10->54 14 EPOCH GSTR3B SEP22.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 pledialinks.xyz 51.15.1.165, 49698, 80 OnlineSASFR France 17->30 32 www.pledialinks.xyz 17->32 34 www.gaosan123.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Performs DNS queries to domains with low reputation 17->46 21 colorcpl.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f02f47777a5186b3e8a7822d1020cf0eaf441be6c1cea2b51f495a3902eb26f8/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-10-20 09:47:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
30 of 41 (73.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6axuo532kgdlh2fhqiwraigpb2xuig7gyhhkfni7jfndsaxle34a._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:ss63 rat spyware stealer trojan
Link:
https://tria.ge/reports/221022-3gjfrafecj/
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
Blocklisted process makes network request
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9be61e82-5c6e-41bc-bf27-2a78d05cd09e
Unpacked files
SH256 hash:
454320b8c2c76a3e4fff8efe84fd4551c8b3797e6f3897d43cbeffb6d4683a7a
MD5 hash:
ffbd872e6a179b906edf4184fdd733f4
SHA1 hash:
4dc4fa6f026d87305af39436b15aec7ccaf025c5
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/565589bc-b90c-47ef-b262-30fe2e6e20fc/
Parent samples :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 hash:
bf71cbc4675b048f2d33f2a43cf08b0e4c2c446bcce0fa856685751dda1d206a
MD5 hash:
0fea8b9aadc7801bb2f1023c3535906f
SHA1 hash:
aa4e789d049536fbc38e72175d793c7eaa356158
Link:
https://www.unpac.me/results/565589bc-b90c-47ef-b262-30fe2e6e20fc/
SH256 hash:
70dfa4c873605ab0fcdcb62be2a970da110535280d8dc88261edbe1ed2865307
MD5 hash:
d5b0f8aff064b3e828421b48efccd312
SHA1 hash:
724f4bc7ab4e08c45562748b739c8f7496a5ad8f
Link:
https://www.unpac.me/results/565589bc-b90c-47ef-b262-30fe2e6e20fc/
SH256 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
Link:
https://www.unpac.me/results/565589bc-b90c-47ef-b262-30fe2e6e20fc/
SH256 hash:
af45ba736469579bc2f637c25f4e6b9836e140a9bbf5b81348be99dd74700289
MD5 hash:
30732ff26747934e08c8aeb88e658fe6
SHA1 hash:
173275b1231274b8a4655b68c5b786d1e1032815
Link:
https://www.unpac.me/results/565589bc-b90c-47ef-b262-30fe2e6e20fc/
SH256 hash:
f02f47777a5186b3e8a7822d1020cf0eaf441be6c1cea2b51f495a3902eb26f8
MD5 hash:
acf46a89799ca2ee932e788f97c1aa6c
SHA1 hash:
b4f5c1f4b87a296abc8400f20e68e512133c5702
Link:
https://www.unpac.me/results/565589bc-b90c-47ef-b262-30fe2e6e20fc/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f02f47777a51/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/f02f47777a5186b3e8a7822d1020cf0eaf441be6c1cea2b51f495a3902eb26f8

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 f02f47777a5186b3e8a7822d1020cf0eaf441be6c1cea2b51f495a3902eb26f8

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/322804/

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