MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a65fc8087d39879abd9c17bbb3581a3d8e57595cc2fff526743aa95e660a59d. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a65fc8087d39879abd9c17bbb3581a3d8e57595cc2fff526743aa95e660a59d
SHA3-384 hash: c3ea3fa0cbc1d7c1d2f105abbbde14d6ca8810f9cdbc73f48698dcc8280adb3fcfc196b08e1fb05229bfeb2dd3ff3376
SHA1 hash: 669b2f2923070af128a67081deb703d9154588cc
MD5 hash: cfae6fe1ecccc5a4707ca3a12dbf880f
humanhash: winner-indigo-moon-orange
File name:KIEFEL Packaging GmbH Purchase Order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:262'145 bytes
First seen:2023-07-04 06:06:17 UTC
Last seen:2023-07-04 06:36:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6rh8b1Cs1XkCKkRzaNmmpLPRf2VeGE7KHz:vYBhC1XkLk90mmtWeBKHz
Threatray 3'309 similar samples on MalwareBazaar
TLSH T1E64412553B91C4D3F40387306B3A2295ABF9950705A44B4E9B459FEA3EB4B63E30E326
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 cocaman
Tags:exe FormBook RFQ

Intelligence

File Origin
# of uploads :
2
# of downloads :
295
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
KIEFEL Packaging GmbH Purchase Order.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-04 06:09:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7b88e723-9e55-4b75-b905-c2774346de02

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/406266/
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.13480.23546.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/95464/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/64a3b7072299d26882649596/reports/d39881c8-e599-495c-93c5-2c103ad7ab4d/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/5a65fc8087d39879abd9c17bbb3581a3d8e57595cc2fff526743aa95e660a59d
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/111c4d49-55aa-4577-b241-fc5021eb5998
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1266368
Signature
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Found API chain indicative of debugger detection
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1266368 Sample: KIEFEL_Packaging_GmbH_Purch... Startdate: 04/07/2023 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for dropped file 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 4 other signatures 2->41 8 hqmvfbk.exe 19 2->8         started        12 KIEFEL_Packaging_GmbH_Purchase_Order.exe 1 21 2->12         started        process3 file4 29 C:\Users\user\AppData\Local\...\zxsot.dll, PE32 8->29 dropped 45 Multi AV Scanner detection for dropped file 8->45 47 Machine Learning detection for dropped file 8->47 49 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 8->49 51 Found API chain indicative of debugger detection 8->51 14 hqmvfbk.exe 8->14         started        31 C:\Users\user\AppData\Roaming\...\hqmvfbk.exe, PE32 12->31 dropped 33 C:\Users\user\AppData\Local\...\zxsot.dll, PE32 12->33 dropped 53 Detected unpacking (changes PE section rights) 12->53 55 Maps a DLL or memory area into another process 12->55 17 KIEFEL_Packaging_GmbH_Purchase_Order.exe 12->17         started        signatures5 process6 signatures7 57 Maps a DLL or memory area into another process 14->57 59 Queues an APC in another process (thread injection) 14->59 19 hqmvfbk.exe 19 14->19         started        process8 file9 27 C:\Users\user\AppData\Local\...\zxsot.dll, PE32 19->27 dropped 43 Maps a DLL or memory area into another process 19->43 23 hqmvfbk.exe 19->23         started        25 svchost.exe 19->25         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a65fc8087d39879abd9c17bbb3581a3d8e57595cc2fff526743aa95e660a59d/
Threat name:
Win32.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2023-07-03 15:22:23 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ljs7zaeh2omhtk6zyf53wnmbupmok5mvzqx76uthiovjlztauwoq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
13c4ed220256fb2dfb95631c042d9eadf977bd2dc5e4aa0898ab99bd16d33ef7
Formbook
3d0cd442aa76cc1b53f8c30feb2b70af32b50589ddd5d6968d26af6316676928
Formbook
4ab85efebfd81e20170cceb7f76e9fa010952504265fc5b5d0319b1131c60ea8
Formbook
61c6ffbcd2c7c685bf8e3f6181f28c0e5ffb915a382b5c5848ef71e13042b41d
Formbook
6648b8b1ded4b81559713a9ef6402b5a05c6d439b40c044123ab7e765d50d241
Formbook
79ae6681fe6fdf1d7810a3bf37811b7c49f706ca0f4c04ab719633f924f727ad
Formbook
7ce7ca5deeb35f3cce19ca4e01e28aebe9f1b03dc8778a2e85e0d515a6df1a3e
Formbook
ab0646fd7bf8dece42e0c38e843fbe4cbb9c18e0e98cb26cad14357fde20ed4a
Formbook
d2f81e234482c1627b7e92601ef74dbc7f3726c64d963dc4655cf90ee54d63ed
Formbook
f3c78a11dc0b821e6833fc5c2040cb94a2b4f91a37d27bce5576c1daa190b8e7
Formbook
+ 3'299 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230704-gva6msbc54/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
5a65fc8087d39879abd9c17bbb3581a3d8e57595cc2fff526743aa95e660a59d
MD5 hash:
cfae6fe1ecccc5a4707ca3a12dbf880f
SHA1 hash:
669b2f2923070af128a67081deb703d9154588cc
Link:
https://www.unpac.me/results/4023be80-5c57-4888-b24a-62b220c70ebc/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5a65fc8087d3/report/overview.html
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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

rar 366ad4242903cc8f89887353e682ad3bc134dad7370a11cfc3741ffeb2f9e743

Formbook

Executable exe 5a65fc8087d39879abd9c17bbb3581a3d8e57595cc2fff526743aa95e660a59d

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 366ad4242903cc8f89887353e682ad3bc134dad7370a11cfc3741ffeb2f9e743
Cape
Cape
https://www.capesandbox.com/analysis/406266/
  
Dropped by
SHA256 b35b7b682a3d1877a1fa51c1bc9e747e6e39602f636760b4e72ab2173e6676d8
  
Dropped by
MD5 f91780f0498307c40cc232c1537d316b
  
Dropped by
MD5 a81889bb84c50588f24f640930468cd0

Comments