MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d8afb68b928295f05583e78494d1153de14ca750751ed7c434ac6864c7e344e. 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 18 File information Comments

SHA256 hash: 6d8afb68b928295f05583e78494d1153de14ca750751ed7c434ac6864c7e344e
SHA3-384 hash: 6476c3af242c82d017d77efd2d76e67283dcc04ffe1759849a31ceb90f8e08ab961bd730461ba04dff124a1c59c01ab0
SHA1 hash: d632e24b09be1aab53f740a1bc30913cea5fc46e
MD5 hash: 40c952432e95d6caf792f9d928abe8d1
humanhash: moon-high-potato-alabama
File name:Pre-Q FOR MECHANICAL WORKS.exe
Download: download sample
Signature Formbook
File size:349'767 bytes
First seen:2023-12-04 17:38:05 UTC
Last seen:2023-12-04 19:25:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:P8LxB0H29jZy+rHNHq2snxhrp+GKd7q9NEfaxSNH9KtRGyIKiJVSp8Encvk:xHcZvsQ375fac19sZIRQSEcvk
Threatray 27 similar samples on MalwareBazaar
TLSH T19674234562E2CE73D147273008B7B32DB2F5CE5585C16F8B87301FB56BA468AD28A369
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
358
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
6d8afb68b928295f05583e78494d1153de14ca750751ed7c434ac6864c7e344e.zip
Verdict:
Malicious activity
Analysis date:
2023-12-04 18:06:55 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
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Sending a custom TCP request
Launching a process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook, NSISDropper
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1353400 Sample: Pre-Q_FOR_MECHANICAL_WORKS.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 32 www.zzennsensual.com 2->32 34 www.zippochinhhang88.online 2->34 36 10 other IPs or domains 2->36 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 4 other signatures 2->52 11 Pre-Q_FOR_MECHANICAL_WORKS.exe 17 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\mnxlvfkzan.exe, PE32 11->30 dropped 14 mnxlvfkzan.exe 11->14         started        process6 signatures7 62 Antivirus detection for dropped file 14->62 64 Multi AV Scanner detection for dropped file 14->64 66 Machine Learning detection for dropped file 14->66 68 2 other signatures 14->68 17 mnxlvfkzan.exe 14->17         started        process8 signatures9 44 Maps a DLL or memory area into another process 17->44 20 ERCuaEZMDpbdmffxbXKIDD.exe 17->20 injected process10 process11 22 Utilman.exe 13 20->22         started        signatures12 54 Tries to steal Mail credentials (via file / registry access) 22->54 56 Tries to harvest and steal browser information (history, passwords, etc) 22->56 58 Writes to foreign memory regions 22->58 60 3 other signatures 22->60 25 ERCuaEZMDpbdmffxbXKIDD.exe 22->25 injected 28 firefox.exe 22->28         started        process13 dnsIp14 38 zzennsensual.com 81.169.145.84, 49723, 49724, 49725 STRATOSTRATOAGDE Germany 25->38 40 ext-sq.squarespace.com 198.185.159.144, 49713, 49714, 49715 SQUARESPACEUS United States 25->40 42 4 other IPs or domains 25->42
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-12-03 23:28:42 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
6d8afb68b928295f05583e78494d1153de14ca750751ed7c434ac6864c7e344e
MD5 hash:
40c952432e95d6caf792f9d928abe8d1
SHA1 hash:
d632e24b09be1aab53f740a1bc30913cea5fc46e
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

Executable exe 6d8afb68b928295f05583e78494d1153de14ca750751ed7c434ac6864c7e344e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments