MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ff54e94c6557ae213d67159c8c8bbdc84079801ba263631f9c7a798f660eaad. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 6ff54e94c6557ae213d67159c8c8bbdc84079801ba263631f9c7a798f660eaad
SHA3-384 hash: 2b36ed23fd654964d102b0eff97b204266abac815d265b20d95cde05577b8906a29071fb398f24b7ed39f2a2571f4b88
SHA1 hash: 1409bf13515044a066e694493182b7405ea6efaa
MD5 hash: 05271d119938959aad2d32404ef0d9cf
humanhash: football-mike-maine-spaghetti
File name:PaymentCopy121922.exe
Download: download sample
Signature Formbook
File size:750'592 bytes
First seen:2022-12-19 08:38:24 UTC
Last seen:2022-12-31 15:17:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:5xx2cHss/S+PsN2/fFac/uL9eEhkAEZC4Gf3acHVNc42xtAq:rx2cHs6SqHdaOuBEZC4u37Vm42nAq
TLSH T1B4F41213311D5B5AD35D3BB670E0A3183BA67F3610A3D24D9ED876DA06B37518E32A23
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% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PaymentCopy121922.exe
Verdict:
Malicious activity
Analysis date:
2022-12-19 08:38:53 UTC
Tags:
formbook xloader

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
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Unauthorized injection to a system process
Gathering data
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
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 domain / URL
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 769681 Sample: PaymentCopy121922.exe Startdate: 19/12/2022 Architecture: WINDOWS Score: 100 24 www.leicesterurology.com 2->24 36 Snort IDS alert for network traffic 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 9 PaymentCopy121922.exe 3 2->9         started        signatures3 process4 file5 22 C:\Users\user\...\PaymentCopy121922.exe.log, ASCII 9->22 dropped 12 PaymentCopy121922.exe 9->12         started        process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 15 explorer.exe 12->15 injected process8 dnsIp9 26 lodehewulan.yachts 82.163.176.114, 49705, 49706, 49707 WILDCARD-ASWildcardUKLimitedGB United Kingdom 15->26 28 www.www64421.com 192.74.252.154, 49698, 80 PEGTECHINCUS United States 15->28 30 4 other IPs or domains 15->30 32 System process connects to network (likely due to code injection or exploit) 15->32 34 Performs DNS queries to domains with low reputation 15->34 19 cmd.exe 13 15->19         started        signatures10 process11 signatures12 44 Tries to steal Mail credentials (via file / registry access) 19->44 46 Tries to harvest and steal browser information (history, passwords, etc) 19->46 48 Deletes itself after installation 19->48 50 2 other signatures 19->50
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-12-19 08:27:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:snky rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1ab4a6e607afd06069dd9cd1ff07768f5cb7691b2aa7e4ebf5e19a2a5998c53e
MD5 hash:
ea8f822532135bf22f257bb18832bc25
SHA1 hash:
91999663771403e1e6f67e468ec58585bb5731b0
SH256 hash:
6d13e7b398b197020af1e7f8527c1236b10b50f01d459f5e985beb73ead79a0c
MD5 hash:
dc1a2d3f76d6aa2bde97791d6bbc4260
SHA1 hash:
cc81caabf07e0714ba7afecb849addacefb365e7
SH256 hash:
22a99e2740dcb5fcab542cb6ee33472a01b8f226f76e031e31b9f00ca1b08b8c
MD5 hash:
bb7995fc982c684be3ddc978e7853bca
SHA1 hash:
b5b9064f2f4ca6b8fa9646700d0bb7d0e0acbd55
SH256 hash:
28956476a8a2e57ad07769b8a71de702a0cbf0bd10f24977e23e19bf7b3f4bd6
MD5 hash:
406062940970365e3b9fa75e60c8c851
SHA1 hash:
758f85cdfc390bd3e5ac7633f4df0d5524834ab6
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
6ff54e94c6557ae213d67159c8c8bbdc84079801ba263631f9c7a798f660eaad
MD5 hash:
05271d119938959aad2d32404ef0d9cf
SHA1 hash:
1409bf13515044a066e694493182b7405ea6efaa
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:pe_imphash
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 6ff54e94c6557ae213d67159c8c8bbdc84079801ba263631f9c7a798f660eaad

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments