MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d10a6b48293d226a0700a84f7dc756fe50c78a9d167500e3b3c763781c52b006. 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 4 File information Comments

SHA256 hash: d10a6b48293d226a0700a84f7dc756fe50c78a9d167500e3b3c763781c52b006
SHA3-384 hash: ea08ce14ed9a1428388e4e567c51816620b757603a32130e308990cb54e105092270b702111869424f9a8f2a2840f660
SHA1 hash: 8b5f6901647c9f17114e3092fc2b226c7478121d
MD5 hash: 5ade5905aebb3d0f6cafd3d36c01927b
humanhash: one-west-ack-nebraska
File name:R00127789.exe
Download: download sample
Signature Formbook
File size:772'096 bytes
First seen:2022-05-21 00:12:28 UTC
Last seen:2022-05-21 00:38:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'841 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 12288:Uxp2bE3Gg0zmU9DZ7C6sUys+9YZRJQDEjqLY:Uv2bwGg0f06sUy5Y6+e
Threatray 12'880 similar samples on MalwareBazaar
TLSH T1E6F4F69E93A87F85C43C16306DF1F9F0B2E6E8C959B19708D81470EE6B72E4276871E1
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon cf41484c4d4841cf (1 x NetWire, 1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
R00127789.exe
Verdict:
Malicious activity
Analysis date:
2022-05-21 00:14:14 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
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed update.exe
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
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-05-19 14:44:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:mjup loader rat suricata
Behaviour
Gathers network information
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
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
d4a1caf196d2fd1ce04b8e6a11937622279f2b787fc518c555593840c5f6ba1f
MD5 hash:
9fc6f8ab88cca8c7e225d8732f2f6dc0
SHA1 hash:
aa5eb3bd507fce104e6ccff2a30c293eb628e3f1
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
SH256 hash:
c0be9b5cd44890ba4b8ef2d96cde84541bbcde7247a90e30b0e42fa2964853a5
MD5 hash:
111f57c483d27d8fc75ba32c4b4735c4
SHA1 hash:
99f826371014d4e8bc7b1d68043c2a5c08993db6
SH256 hash:
d10a6b48293d226a0700a84f7dc756fe50c78a9d167500e3b3c763781c52b006
MD5 hash:
5ade5905aebb3d0f6cafd3d36c01927b
SHA1 hash:
8b5f6901647c9f17114e3092fc2b226c7478121d
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe d10a6b48293d226a0700a84f7dc756fe50c78a9d167500e3b3c763781c52b006

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments