MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f6196df71fd42914047aed3047c55bc068512c0fece56245bfa072b8d248bce. 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 2 File information Comments

SHA256 hash: 1f6196df71fd42914047aed3047c55bc068512c0fece56245bfa072b8d248bce
SHA3-384 hash: ffa41ce3cfa1e80a58a0958a011a70bee771e4b72a24cbf4b87e1279b1eed64eb3408db5bf42d8554a8ed917a785c89e
SHA1 hash: 85a14620014a57ce5cc7249f2590f0e6850e96cd
MD5 hash: f22c8fb9faabf02b82eaed9bc684f682
humanhash: item-venus-beer-idaho
File name:VAVzsvZHSulwtue.exe
Download: download sample
Signature Formbook
File size:784'896 bytes
First seen:2022-08-17 08:39:41 UTC
Last seen:2022-09-06 05:35:52 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 12288:KtkaV1ki3bCPBqh0kubOLBMTE6tMLPeVpf97NEAKaQwoLLk3tBYe2a+/S:KtLVui3bL1ubuMZMGR9ZEAdwwtKen
TLSH T170F4013527F99B96E57843F9666D988047F13E3ADC29D29CFCE671CA0830BC76441A0B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Offer Firm Pdf.gz
Verdict:
Malicious activity
Analysis date:
2022-08-16 07:41:51 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
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook 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
Antivirus detection for URL or domain
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 685336 Sample: VAVzsvZHSulwtue.exe Startdate: 17/08/2022 Architecture: WINDOWS Score: 100 28 www.armwizard.com 2->28 30 www.junko-saito.com 2->30 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 7 other signatures 2->46 9 VAVzsvZHSulwtue.exe 3 2->9         started        signatures3 process4 file5 26 C:\Users\user\...\VAVzsvZHSulwtue.exe.log, ASCII 9->26 dropped 58 Injects a PE file into a foreign processes 9->58 13 VAVzsvZHSulwtue.exe 9->13         started        16 VAVzsvZHSulwtue.exe 9->16         started        signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 13->60 62 Maps a DLL or memory area into another process 13->62 64 Sample uses process hollowing technique 13->64 66 Queues an APC in another process (thread injection) 13->66 18 explorer.exe 13->18 injected process9 dnsIp10 32 resomeren.net 193.141.3.66, 49753, 80 STRATOSTRATOAGDE Germany 18->32 34 www.workfi.space 91.195.240.94, 49751, 80 SEDO-ASDE Germany 18->34 36 20 other IPs or domains 18->36 48 System process connects to network (likely due to code injection or exploit) 18->48 50 Performs DNS queries to domains with low reputation 18->50 22 rundll32.exe 12 18->22         started        signatures11 process12 dnsIp13 38 www.pujie.cloud 22->38 52 System process connects to network (likely due to code injection or exploit) 22->52 54 Modifies the context of a thread in another process (thread injection) 22->54 56 Maps a DLL or memory area into another process 22->56 signatures14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-16 10:59:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
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
Checks computer location settings
Unpacked files
SH256 hash:
2e92d67602c0c8cbcc9aa4fa389daf1c0e764bf262e7823f2e11a5ee1d23260d
MD5 hash:
5d632a87a52902f05eb642774b3c4c8b
SHA1 hash:
77a985277e0d3f4e17e116bec2691dd82ece5366
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
64517e02bfe170600ff067eac24d6866c18ca44b22057e12f857c0d44abfbd38
MD5 hash:
d8a665752f8abb00167d75c174d1a683
SHA1 hash:
ec1d590e72c357ba48e41e3dbb987d392357ed19
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
1b72d49a5e3db7a7a157408ac93240c7e0316ed7f6ddd10befc1af7e4bf7f68c
MD5 hash:
9c1436a35d82492bd09b6d65e4eaf94a
SHA1 hash:
2177711310aef753f821b881a4ee7f64f3bc9ef8
SH256 hash:
dc2d1c7b6f31089c22f0a9ecaf3fc01c21c0b1ca9bae8e41c794a36f7854cbba
MD5 hash:
26dc5b865a2c354120c7170dca2ada2b
SHA1 hash:
0bf50be6f776c0e009af37b7e4f1d4854fec4cdf
SH256 hash:
1f6196df71fd42914047aed3047c55bc068512c0fece56245bfa072b8d248bce
MD5 hash:
f22c8fb9faabf02b82eaed9bc684f682
SHA1 hash:
85a14620014a57ce5cc7249f2590f0e6850e96cd
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 1f6196df71fd42914047aed3047c55bc068512c0fece56245bfa072b8d248bce

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments