MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0f1a1bfefa0359f8ef181219a761192e70a2d8ec0dd07692ffe24814f50c11d. 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

SHA256 hash: b0f1a1bfefa0359f8ef181219a761192e70a2d8ec0dd07692ffe24814f50c11d
SHA3-384 hash: 23ecd3e276fe59ac0dd56b5c92a1ea16087d1a2248b6f9151955d0ae80e387d17e07f1ab0b345847de7fd508e3d7ad9f
SHA1 hash: f225652c7b79d59d8d586117ebcbc58e073fc972
MD5 hash: 5937da2dfc9b38ad6044f31ef3bb72b7
humanhash: robert-pizza-eleven-quiet
File name:TEXTILE342MZ332.exe
Download: download sample
Signature Formbook
File size:769'536 bytes
First seen:2022-04-08 11:53:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:vgQ69+08jWA5TE0ZQO9Y8w5Uf9XnD+13AwvmHK4X/bzCWZEfKYlKMFTzVWPPny6a:xTE0Y8wMxnDOJ+hXFZtvMFwy61Q
Threatray 14'747 similar samples on MalwareBazaar
TLSH T14FF4014DF725B9EED82BC3B57D749C63BF11B827926E945A6007122A5D0C003C9ABCDB
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
TEXTILE342MZ332.exe
Verdict:
Malicious activity
Analysis date:
2022-04-08 19:39:51 UTC
Tags:
formbook trojan stealer

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
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
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.
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
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
PE file contains section with special chars
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 605621 Sample: TEXTILE342MZ332.exe Startdate: 08/04/2022 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 8 other signatures 2->39 10 TEXTILE342MZ332.exe 3 2->10         started        process3 file4 29 C:\Users\user\...\TEXTILE342MZ332.exe.log, ASCII 10->29 dropped 49 Tries to detect virtualization through RDTSC time measurements 10->49 51 Injects a PE file into a foreign processes 10->51 53 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->53 14 TEXTILE342MZ332.exe 10->14         started        signatures5 process6 signatures7 55 Modifies the context of a thread in another process (thread injection) 14->55 57 Maps a DLL or memory area into another process 14->57 59 Sample uses process hollowing technique 14->59 61 Queues an APC in another process (thread injection) 14->61 17 explorer.exe 14->17 injected process8 process9 19 systray.exe 17->19         started        signatures10 41 Self deletion via cmd delete 19->41 43 Modifies the context of a thread in another process (thread injection) 19->43 45 Maps a DLL or memory area into another process 19->45 47 Tries to detect virtualization through RDTSC time measurements 19->47 22 explorer.exe 181 19->22         started        25 cmd.exe 1 19->25         started        process11 dnsIp12 31 192.168.2.1 unknown unknown 22->31 27 conhost.exe 25->27         started        process13
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-04-08 11:54:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 42 (42.86%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sn83 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
ea4af56e25cfef5f2a4a4a85a303a353cdedb9f5b9f74675f671fd93958679c7
MD5 hash:
699244c91446143bcc9b0b13de2793ab
SHA1 hash:
c63b607fe4ad755a03e82e9de7d30046782a1d2e
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
646127ecb93d0422afa9d5f267f25dd13cccc793f9fb3d2560b1c47d9e2b374d
MD5 hash:
4198bc01308b7ac3737271638df829ff
SHA1 hash:
e1b3e82c59310dc357e158961305137dd9b87238
SH256 hash:
e11871df824c3130e35f2c94d672404e18ebefddf3172d166f2e640ad3686c73
MD5 hash:
4379771ccd9b927712ef2505214161df
SHA1 hash:
6636b7b80e279de67c60b52277f566463afebf8e
SH256 hash:
04aecdef0c65d0dea7055623e9f81ee424d455c71840d99b6d64b8f7d2d5db6c
MD5 hash:
e70289c6fec1096b535b8a6ea43eba60
SHA1 hash:
55177e15fb67957f3991ed1432ef8e7bf74eac21
SH256 hash:
b0f1a1bfefa0359f8ef181219a761192e70a2d8ec0dd07692ffe24814f50c11d
MD5 hash:
5937da2dfc9b38ad6044f31ef3bb72b7
SHA1 hash:
f225652c7b79d59d8d586117ebcbc58e073fc972
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 b0f1a1bfefa0359f8ef181219a761192e70a2d8ec0dd07692ffe24814f50c11d

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments