MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c60c35f29e69092f5e26e18d43f332f00f33be5006dfb0f9e8cc7327ec6db92. 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 7 File information Comments

SHA256 hash: 4c60c35f29e69092f5e26e18d43f332f00f33be5006dfb0f9e8cc7327ec6db92
SHA3-384 hash: e584f6f203e96af912f8b636ab907a01e0d43d18774da6029c97e3b775bdab3705edc34f02502fbb636b864c6be2bd40
SHA1 hash: 961318099fa7615e9cf70cd87508df982cb13d97
MD5 hash: c53f831c0cfef4921d4236c6435a0481
humanhash: louisiana-music-purple-black
File name:4UWmsYiIC0tdIFk.exe
Download: download sample
Signature Formbook
File size:654'344 bytes
First seen:2024-03-21 14:42:56 UTC
Last seen:2024-07-25 01:37:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:10KoFwl0ECedQwZTAO8zfkWdebsqC5oAawLOfk5ukR:+KoU0ECepZcOl9sqCZabfs
TLSH T158D4020623F43F82F63D5BF125B180265BF6BA2B6631E54D4FC5A0DA25E1F018A50FA7
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
11
# of downloads :
404
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4c60c35f29e69092f5e26e18d43f332f00f33be5006dfb0f9e8cc7327ec6db92.exe
Verdict:
Suspicious activity
Analysis date:
2024-03-21 14:43:55 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
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)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1413294 Sample: 4UWmsYiIC0tdIFk.exe Startdate: 21/03/2024 Architecture: WINDOWS Score: 100 34 www.tapeworm.xyz 2->34 36 www.taifengtechnologyservice.com 2->36 38 13 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 50 7 other signatures 2->50 11 4UWmsYiIC0tdIFk.exe 3 2->11         started        signatures3 48 Performs DNS queries to domains with low reputation 34->48 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 14 4UWmsYiIC0tdIFk.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 55 1 14->17 injected process8 dnsIp9 28 focus2c.com 109.234.166.218, 49742, 80 O2SWITCHFR France 17->28 30 taifengtechnologyservice.com 84.32.84.32, 49745, 80 NTT-LT-ASLT Lithuania 17->30 32 4 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 svchost.exe 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-03-21 10:47:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
12 of 38 (31.58%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ns03 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
880d1baa6043d174ffb43fd52793e5519a96f6f655a5d939b90806019b2b0f03
MD5 hash:
6a2d93f7e55ef6c9d7d5a1d127619dc9
SHA1 hash:
cbceddf5fa7cff204b520c9cea67506d8a572467
SH256 hash:
8a42144bfaed7278d478bb226c64cfad8abd909f2f4ce18ed17018eebbd590dd
MD5 hash:
10f2dcb1aa3ec0d37027968d347b257a
SHA1 hash:
b2d1181f17169f535a8bfa614c21aab23260155b
SH256 hash:
14641f03051d346aa3a24be14851261baa2ee6b1cff524ddca433fcc71d9542d
MD5 hash:
6661bfd44985279631496543484323b1
SHA1 hash:
5b3452b4c01b676f5ab2d4586819bd687456a34e
SH256 hash:
4c60c35f29e69092f5e26e18d43f332f00f33be5006dfb0f9e8cc7327ec6db92
MD5 hash:
c53f831c0cfef4921d4236c6435a0481
SHA1 hash:
961318099fa7615e9cf70cd87508df982cb13d97
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
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 4c60c35f29e69092f5e26e18d43f332f00f33be5006dfb0f9e8cc7327ec6db92

(this sample)

  
Delivery method
Other

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 (HIGH_ENTROPY_VA)high

Comments