MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aee3fa1601e0521d9c628cb2fd13178a06c2f7923478742189026102cda8a494. 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: 11


Intelligence 11 IOCs YARA 19 File information Comments

SHA256 hash: aee3fa1601e0521d9c628cb2fd13178a06c2f7923478742189026102cda8a494
SHA3-384 hash: 7641cdc8bb1d75cf648cebc8f4be09151c8fd8be00d019e01d8d93fb0398a2aaf3969bb6a26ea871a0215e9f288f550b
SHA1 hash: c805a9ba39428ef2aa1f7054b040e05de7bf6a00
MD5 hash: 6a3ce00399bcf3a40307ebcbc65e5c26
humanhash: avocado-princess-red-rugby
File name:OUR REF RFQ 6000066536 - PR 10023150.exe
Download: download sample
Signature Formbook
File size:1'147'904 bytes
First seen:2023-08-18 13:03:26 UTC
Last seen:2023-08-18 13:31:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:szvh9d4HMBGvPM7WNibV/0hqO1BUmNt9Rj:+QOsPM7Sibt0N8mNj1
Threatray 14 similar samples on MalwareBazaar
TLSH T1AC35F107B6BA89B2E2841B36E6CB401477F2F551B7A3D70AB54E23E50B077B69F04607
TrID 59.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.6% (.SCR) Windows screen saver (13097/50/3)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
286
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OUR REF RFQ 6000066536 - PR 10023150.exe
Verdict:
Malicious activity
Analysis date:
2023-08-18 13:03:58 UTC
Tags:
n/a

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
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Unauthorized injection to a system process
Gathering data
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 AntiVM3
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1293397 Sample: OUR_REF_RFQ_6000066536_-_PR... Startdate: 18/08/2023 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 8 other signatures 2->46 9 OUR_REF_RFQ_6000066536_-_PR_10023150.exe 4 2->9         started        process3 signatures4 52 Writes to foreign memory regions 9->52 54 Injects a PE file into a foreign processes 9->54 12 MSBuild.exe 9->12         started        process5 signatures6 56 Maps a DLL or memory area into another process 12->56 58 Queues an APC in another process (thread injection) 12->58 15 qlWhNLhiWRtVNfvBcfq.exe 12->15 injected process7 process8 17 wlanext.exe 13 15->17         started        signatures9 32 Tries to steal Mail credentials (via file / registry access) 17->32 34 Tries to harvest and steal browser information (history, passwords, etc) 17->34 36 Modifies the context of a thread in another process (thread injection) 17->36 38 Maps a DLL or memory area into another process 17->38 20 explorer.exe 2 1 17->20 injected 24 qlWhNLhiWRtVNfvBcfq.exe 17->24 injected process10 dnsIp11 26 www.nonglamnghiep.com 125.212.243.87, 49789, 49790, 49792 VIETEL-AS-APViettelGroupVN Viet Nam 20->26 28 nasyoeastasia.org 192.185.129.44, 49760, 49761, 49762 UNIFIEDLAYER-AS-1US United States 20->28 30 11 other IPs or domains 20->30 48 System process connects to network (likely due to code injection or exploit) 20->48 50 Performs DNS queries to domains with low reputation 20->50 signatures12
Threat name:
Win32.Ransomware.PadCrypt
Status:
Malicious
First seen:
2023-08-18 08:51:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
88c8e0866f31073d2b1af4c6b29efd1de92a8a8606b2b7dff71b1177a1be0327
MD5 hash:
5da9aca29ce2a27b89ca64f1303c4d73
SHA1 hash:
ead695fd9c4038337f8eeec65b2627293b814f3a
Detections:
win_formbook_w0 win_formbook_g0
SH256 hash:
31329dc320d9045a64a27fc3e8e03af37996773f6c866e1b3519d6db473eaace
MD5 hash:
b8543a30ab57dfa41dcb087168eee7ed
SHA1 hash:
5694b6c2a7ac003d0c13cceb3bf50497bb19a307
SH256 hash:
8d8ecbcb6f30f1acde90eb77b71b28f8e367a178874daee7265dd3e6205eeed7
MD5 hash:
72f50ade7607ccdc1239278b1a3e52f3
SHA1 hash:
f73c3a00c486bb8511646235044735faeb7d1de6
SH256 hash:
7b79ad8b12a3e828a09d4065b8751c69d17927642f28c8346d036db4e85fb4be
MD5 hash:
8b7ee5205eeedcb5e1f4616d700d9cd9
SHA1 hash:
a4a4104c1d77fec6a470e953c9cc393de62373f4
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
aee3fa1601e0521d9c628cb2fd13178a06c2f7923478742189026102cda8a494
MD5 hash:
6a3ce00399bcf3a40307ebcbc65e5c26
SHA1 hash:
c805a9ba39428ef2aa1f7054b040e05de7bf6a00
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: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:NET
Author:malware-lu
Rule name:pe_imphash
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:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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 aee3fa1601e0521d9c628cb2fd13178a06c2f7923478742189026102cda8a494

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments