MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f454860eb8461e6febf3a1977cc7a53733dd72960fec1a41d17ab4e03af6f0d. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f454860eb8461e6febf3a1977cc7a53733dd72960fec1a41d17ab4e03af6f0d
SHA3-384 hash: 8d9cc71dc485563654401e1edf85277013f70c80fe50d2b2f1918cc22e8be7774c1584cc378f7cd74483958ab38b512d
SHA1 hash: 55fa62db4faa9274ff6d0cea423c030f314c5d9f
MD5 hash: 35d823aa53ca83f8b7bf9363f58c629b
humanhash: artist-virginia-football-carolina
File name:35d823aa53ca83f8b7bf9363f58c629b.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'175'040 bytes
First seen:2021-12-14 16:45:39 UTC
Last seen:2021-12-14 18:45:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:Gjj8VLXVT7qzuQ4geMoxab5tO0sGSwlugn47qhxvP/miIUvVuU46gS+:GcVlqzuwjosOvu4g47exvP/4MQ6
Threatray 12'214 similar samples on MalwareBazaar
TLSH T16245126D3A8395CFD45A0F763BA590246261EC726A4BD3CBF8C9324F0A677143C73A52
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
35d823aa53ca83f8b7bf9363f58c629b.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-14 17:26:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9ede13a3-b1e1-46ec-b6e0-93ceb85ccac7

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/214046/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1128.21652.30307.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61b8ca518a1c0aab6a87ee3d/reports/d5f8aaf8-88a6-43cf-abee-ecdae150149a/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/74242914-2255-49c2-b605-a1b1f85f684c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/907281
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 539760 Sample: 9CU4t7VIL7.exe Startdate: 14/12/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 10 9CU4t7VIL7.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\9CU4t7VIL7.exe.log, ASCII 10->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 9CU4t7VIL7.exe 10->14         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 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.grozahn.xyz 135.181.57.30, 49806, 80 HETZNER-ASDE Germany 17->30 32 shops.myshopify.com 23.227.38.74, 49807, 80 CLOUDFLARENETUS Canada 17->32 34 3 other IPs or domains 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 msdt.exe 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f454860eb8461e6febf3a1977cc7a53733dd72960fec1a41d17ab4e03af6f0d/
Threat name:
ByteCode-MSIL.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2021-12-14 08:54:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5cuqyhlqrq6n7v7himxptd2knzt3vzjmd7mdja5c6vu4a5pn4gq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
26b24cfe3b0bb84b26fc83ce689b74728ac61f32391772dcc76eab04cc7042b5
Formbook
46a0a8595dccf134213c2e9ae10dd6fdd8e3ff5f0cb1b01014a6b67e31927eec
Formbook
76ce63841f53dd035159b8feed432cf72e114ffd57344d8fae525f0a350856f4
Formbook
779b3d4b4260713c0311e93b9cfc9c91c74242f608d2024f7d257b00f6e7b94c
Formbook
8590ed565f8e910b38ca91f89df8dc73bd6fec5eabb2b6964f70b4ad586f801e
Formbook
9b9e383f7635be680129b113ad1e827c61e2e2cf1ce7ccccd2f09b9a0a546494
Formbook
b66060a214c372ff66b8917fee39b5cb6c82972cf7cdfcd64b9ae4b7b7e01bf7
Formbook
ba2972170824e9bb06c18fce3fcfa5d52411163bc1ecdc55e7fe94fac3ba96ad
Formbook
e14df53adff2889344d4502133a00a389e06039715c26a7724ed3f046fc683a1
Formbook
eec7134cc1487d8774af92e127422beaadfda308d32039afaec0c815ca70dc5c
Formbook
+ 12'204 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:9g6m rat spyware stealer trojan
Link:
https://tria.ge/reports/211214-t9zh1ahbbm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.solkitties.art/9g6m/
Unpacked files
SH256 hash:
b4cf5e9930af610200ee8e273d881ed8f30f269469a8bd0d25b9f0becbc1a218
MD5 hash:
6eef8161fe427a79728e24e6bb5ec877
SHA1 hash:
1cb8a2c12068475115561ffe298fbd1b0a578f84
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5e85e3a5-268e-4530-b697-72293906d2e1/
Parent samples :
8590ed565f8e910b38ca91f89df8dc73bd6fec5eabb2b6964f70b4ad586f801e
baa6c0d95345936cfa15289e60aebd590fcea005d546d40e6e6933657508a277
2d69ba81e9f99d3c2b8998d98160bd087cb3f70203761a58255fbee3c7919a06
d88ceed41b733547f614837d8b9c3967aefa9a81b8afb869e35657288650ef54
8f454860eb8461e6febf3a1977cc7a53733dd72960fec1a41d17ab4e03af6f0d
268f31549715ba5100a49d8b7dd4858118e864c44e153d40d6dec3cdbb223336
101477ca4a93dd39fc6c14ae5f278753bdd78a2eba5b30b63e8bcd2b9c49bab5
SH256 hash:
41b2d5882776b805456fa24b7c86d18e2d90c541cb614dce2292558de0386b1c
MD5 hash:
a498b50fa380f425db48a7ef18899fe7
SHA1 hash:
515ea68230ae34bb7a6203e9f74163eedb8425d9
Link:
https://www.unpac.me/results/5e85e3a5-268e-4530-b697-72293906d2e1/
SH256 hash:
e0084dc966cde73684bf17440a6f8585c399b12e204512e0674ee4e0c2994fd7
MD5 hash:
6b75c5d6dbe7e05cde9bf5de4a916bba
SHA1 hash:
0bfad56382c341b0a75214c94ff075c4e922dc85
Link:
https://www.unpac.me/results/5e85e3a5-268e-4530-b697-72293906d2e1/
SH256 hash:
8f454860eb8461e6febf3a1977cc7a53733dd72960fec1a41d17ab4e03af6f0d
MD5 hash:
35d823aa53ca83f8b7bf9363f58c629b
SHA1 hash:
55fa62db4faa9274ff6d0cea423c030f314c5d9f
Link:
https://www.unpac.me/results/5e85e3a5-268e-4530-b697-72293906d2e1/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8f454860eb84/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/8f454860eb8461e6febf3a1977cc7a53733dd72960fec1a41d17ab4e03af6f0d

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
Create hunting rule
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.

Web download

Formbook

Executable exe 8f454860eb8461e6febf3a1977cc7a53733dd72960fec1a41d17ab4e03af6f0d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1881908/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/214046/

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