MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cf7e80d75cfb9d92f50e61d9fac8f3b859217364a0ada66448b5e3486116f18. 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 6 File information Comments
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SHA256 hash: 4cf7e80d75cfb9d92f50e61d9fac8f3b859217364a0ada66448b5e3486116f18
SHA3-384 hash: 37841154aa1af6abf210e3d3e1f6c273fa0c04c08fae92a017e8ece6bcacd6caa18d60f199be65bffffa1766a40dea45
SHA1 hash: d2f8e6767edd7db10303be9201ef7a408aa3b4ef
MD5 hash: dbb3429469b70a6acf52453740f30438
humanhash: mars-alaska-skylark-finch
File name:KHANA.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:776'704 bytes
First seen:2024-12-31 08:26:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:93X3xXFdZvlW71Vckd7zTzCY1pmbmDox3K7dlD2aIm1f5dd+Pz0g84gtb5MG0Hsj:NzrvlWZOkd7zPmdx67b2sf5qxKGHTi
Threatray 67 similar samples on MalwareBazaar
TLSH T130F40158591AE927C65567B40AB1F2B4177C6EDDB400E323AFEC7EEFBD26E211C04182
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 70b269e8cccccc28 (2 x RemcosRAT, 1 x Expiro, 1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
399
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4cf7e80d75cfb9d92f50e61d9fac8f3b859217364a0ada66448b5e3486116f18.zip
Verdict:
Suspicious activity
Analysis date:
2024-12-31 08:29:00 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/7822fa2d-6473-4b55-ba0c-6ab800a1c61b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3148.30151.17425.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6773aa9c1ada70779824bfaf
Tags:
shell virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4cf7e80d75cfb9d92f50e61d9fac8f3b859217364a0ada66448b5e3486116f18
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2bf8215a-9f76-4455-92e5-915b8a1d5d80
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1582684
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1582684 Sample: KHANA.exe Startdate: 31/12/2024 Architecture: WINDOWS Score: 100 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected FormBook 2->28 30 5 other signatures 2->30 7 KHANA.exe 4 2->7         started        process3 file4 22 C:\Users\user\AppData\Local\...\KHANA.exe.log, ASCII 7->22 dropped 32 Adds a directory exclusion to Windows Defender 7->32 34 Injects a PE file into a foreign processes 7->34 11 powershell.exe 23 7->11         started        14 KHANA.exe 7->14         started        16 KHANA.exe 7->16         started        signatures5 process6 signatures7 36 Loading BitLocker PowerShell Module 11->36 18 WmiPrvSE.exe 11->18         started        20 conhost.exe 11->20         started        process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4cf7e80d75cfb9d92f50e61d9fac8f3b859217364a0ada66448b5e3486116f18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4cf7e80d75cfb9d92f50e61d9fac8f3b859217364a0ada66448b5e3486116f18/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
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Status:
Malicious
First seen:
2024-12-30 03:40:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jt36qdlvz645sl2q4yoz7lephoczefzwjifnuzsernpdjbqrn4ma._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
2e64ed10f0c61a872dbc4cc8ac023e947db0c9642044dbe33af671cff97135a0
Formbook
3419b22893748d4586220abac1bb749ded774c984ba65a194c16e13327258689
Formbook
4cf7e80d75cfb9d92f50e61d9fac8f3b859217364a0ada66448b5e3486116f18
Formbook
52e9c1afab59a8a7149b7163433d9c74fe456868e634209bca77099d015943d6
Formbook
dbf6c64f4cfe7243f62f2e30c0035057e8d18091492350754f60c0e46803ff3b
Formbook
e6d7aab1f11c4a43a5291bd51e4aad8deee26333be85454161f6f85660433c4a
Formbook
ea2232c0ea11a5a8743e15a262576447424c3353bf882089f3c0bd8cb546a80b
Formbook
error
Formbook
fadafafbdecdb64b00e6bddcb0e33bf68c2a512512fcacefc1d848e35ff3a001
Formbook
fce3183e9d396e2fe176392fbdcd765daa5154aa9187a7dbbdde77c38dd1e079
Formbook
+ 57 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/241231-kbvbyssjcz/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f949dc7e-bcc5-4063-b023-922af836e981
Unpacked files
SH256 hash:
06dcc506e43fb09317a3dfbf030ee48aea2642b0ae4daa0b800d4810204c26b0
MD5 hash:
fcca18ceac2ae349b98dac9f4f4ffab5
SHA1 hash:
e736987994b8f15b3f2ffa6466bc4c60cb62f88e
Link:
https://www.unpac.me/results/9ad7bdda-df3c-4da1-86de-daa52d72d53e/
SH256 hash:
fdabb7b1e069141cbf66e1ebcd777206b2e4ac9490bab434f0935cd8ac513e0e
MD5 hash:
43e9e5e2b633bf75834d39f02cd1a926
SHA1 hash:
867bbceef23b7b2724d08a6a3dcf86d0673d9f90
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/9ad7bdda-df3c-4da1-86de-daa52d72d53e/
SH256 hash:
de1b48e296cd91c1703566f67ee7acbff503c08f2968eab3e2eb3b0e366a569d
MD5 hash:
c628015cf0e305708fbd4619ec716633
SHA1 hash:
40a7de1724caa35f25683cdcdad0e8796fea094d
Link:
https://www.unpac.me/results/9ad7bdda-df3c-4da1-86de-daa52d72d53e/
SH256 hash:
0568fb7cf0d49e8c212ccbfd9a4f68052d614b0a04122f6fa9108f2d7e26119d
MD5 hash:
b6eaa18f6ce9f6b54448e471f48113f8
SHA1 hash:
04052371a7340da097ce44d8fd0401d115b63b76
Link:
https://www.unpac.me/results/9ad7bdda-df3c-4da1-86de-daa52d72d53e/
SH256 hash:
4cf7e80d75cfb9d92f50e61d9fac8f3b859217364a0ada66448b5e3486116f18
MD5 hash:
dbb3429469b70a6acf52453740f30438
SHA1 hash:
d2f8e6767edd7db10303be9201ef7a408aa3b4ef
Link:
https://www.unpac.me/results/9ad7bdda-df3c-4da1-86de-daa52d72d53e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4cf7e80d75cf/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/4cf7e80d75cfb9d92f50e61d9fac8f3b859217364a0ada66448b5e3486116f18

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments