MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 742c0f69fa522736496e540ebe4d36f5bffa7b994485c7a06bb1a557ea06c15d. 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 6 File information Comments

SHA256 hash: 742c0f69fa522736496e540ebe4d36f5bffa7b994485c7a06bb1a557ea06c15d
SHA3-384 hash: b1b5d4312fd85c79891a3a8f55e17f8dc5f37432ce3bfa73fcbbf812b8b0f41cd2a64360d9763356e29f5a7c9497f5ef
SHA1 hash: d6db2aa6b672ed37463d39f8fb484f64d3f89321
MD5 hash: ca013d4efe6cb411bd5223c059f8b697
humanhash: may-fourteen-alabama-hamper
File name:kMktdPr0jMG0pZE.exe
Download: download sample
Signature Formbook
File size:544'256 bytes
First seen:2022-06-27 11:42:49 UTC
Last seen:Never
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:pS5VHYXqAUESXbbN5reI2c1j6n8gB15uA14/mnGoHK:pJkHN5r5N5fgHzCgG2K
TLSH T14FC40269BBE7DE56C1691237E0E10521133663CB5903E72FA2CC735E0E633DA8D622C6
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 b2f949b1bafab8b0 (18 x AgentTesla, 17 x Loki, 17 x Formbook)
Reporter malwarelabnet
Tags:exe FormBook formbook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
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
Reading critical registry keys
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware 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
C2 URLs / IPs found in 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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-27 09:29:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader loader persistence rat spyware stealer suricata trojan
Behaviour
Gathers network information
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
0aa8ea56f670ef5041fe87ee1a27b6623c2cf7996ed489214aa076996ca40cac
MD5 hash:
faf84cab64260654988db2f9157f8f89
SHA1 hash:
e1e6ebeaf252c78e74c1355cdefc6a2c52cfab70
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
45c74450a03443ef3d0796b56e5c9623ccc6d7e1b3d061dd8f6baeea6fd9c349
MD5 hash:
322e0cec5f1c1e5f1f11ec2052a2520a
SHA1 hash:
3142e90a96297ca5f6220679cb6c235dbbae6475
SH256 hash:
09629197883a82ca953ea977a94dd563dc10e69ae249ed472f9129f187214997
MD5 hash:
ccb36ca60a53089abc3948c99fd23a00
SHA1 hash:
10a8a09ee29da0bd1b2d35ccba548c616fd352b5
SH256 hash:
742c0f69fa522736496e540ebe4d36f5bffa7b994485c7a06bb1a557ea06c15d
MD5 hash:
ca013d4efe6cb411bd5223c059f8b697
SHA1 hash:
d6db2aa6b672ed37463d39f8fb484f64d3f89321
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
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.

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