MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46d78943f26576a230170afb9b13179cb7e2aac34c3f9a7cd023192f7fcf9891. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 46d78943f26576a230170afb9b13179cb7e2aac34c3f9a7cd023192f7fcf9891
SHA3-384 hash: c7c463ad242fcd588b8ffa3f29ed97e75a52056d199da5adda1e69de897deacec50d9f59719bbb86963400dc83a17a9b
SHA1 hash: 8a7255b0c4fcc671170d759603bc5093878d8ef3
MD5 hash: d22a0becd005f6167cc51c942cf9aecb
humanhash: blue-stream-oven-london
File name:Pre Alert Notice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:888'320 bytes
First seen:2022-08-04 10:29:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:4SJRS/KTuWiJX35iZugLK310ZFy100/R1RvNJ6HIjgfHO5/Wg3Du+:beOqXJ8pUmI100bRlJ6HIjnZWM
Threatray 18'249 similar samples on MalwareBazaar
TLSH T1CA15BE0123D57609E23A5F7549E2D07087F2FE679836F2AE2CC83D4BB77AA448553722
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 :
1
# of downloads :
324
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Pre Alert Notice.exe
Verdict:
Malicious activity
Analysis date:
2022-08-04 10:29:53 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/67d0b95f-fb02-4023-91b3-2a2ff3925d3a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/296429/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62eb9faebcf76fcb6ce3d032/reports/d5104902-e7ed-4957-b97d-56527768dffb/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1446b128-5a14-4eac-aa2a-0311412cf9c3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1046184
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 678678 Sample: Pre Alert Notice.exe Startdate: 04/08/2022 Architecture: WINDOWS Score: 100 36 Multi AV Scanner detection for domain / URL 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 12 other signatures 2->42 10 Pre Alert Notice.exe 6 2->10         started        process3 file4 30 C:\Users\user\AppData\...\nxTlpNXrNiLSGp.exe, PE32 10->30 dropped 32 C:\Users\user\AppData\Local\...\tmp3357.tmp, XML 10->32 dropped 34 C:\Users\user\...\Pre Alert Notice.exe.log, ASCII 10->34 dropped 50 Injects a PE file into a foreign processes 10->50 14 Pre Alert Notice.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 19 explorer.exe 14->19 injected 21 conhost.exe 17->21         started        process8 process9 23 control.exe 19->23         started        signatures10 44 Modifies the context of a thread in another process (thread injection) 23->44 46 Maps a DLL or memory area into another process 23->46 48 Tries to detect virtualization through RDTSC time measurements 23->48 26 cmd.exe 1 23->26         started        process11 process12 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/46d78943f26576a230170afb9b13179cb7e2aac34c3f9a7cd023192f7fcf9891/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2022-08-04 10:30:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
41
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=i3lysq7smv3kemaxbl5zweyxts36fkwdjq7zu7gqemms676ptciq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0a5f25e1dfa430c53c1fc30aee1c143ee51f947147b467c1069c7a541676c208
Formbook
0b576117983f942d005bd209239752290a0f97a9b0be5326f4f2d76c8ee416e0
Formbook
389f5ad5330ae27ed43bc0b3f33cd1655a49365f0310e25fd35f6771824d009e
Formbook
79e15dc00d8205605222d539d1413cac2bc5976377430177aca450d2c6c4cb63
Formbook
8475d63228f30259a96c4b9f523b4fb05f718c6361a1f3d477cba240f0ce7b5e
Formbook
87491dc3e7e7bee41367da139e5110ca1a9b7bb1ea2c92dd20a8a96c8775fd98
Formbook
d16b5b8db05a9ea05420e30d325663b8eddefc11eb081b8c9786b6f2997b16e2
Formbook
d77668e2f68ed03f163c9616e96a0493817db21aebc80a52bce6b736e9280529
Formbook
e2682ee08233df5afc90d9295165ffed0373e4f34278d99d5a30622c2577639b
Formbook
+ 18'239 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o85a evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/220804-mjtfqsdgd9/
Behaviour
Creates scheduled task(s)
Gathers network information
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Deletes itself
Looks for VMWare Tools registry key
Formbook payload
Looks for VirtualBox Guest Additions in registry
Formbook
Unpacked files
SH256 hash:
3b24bbfee3565a866f8ca1c97c522f89f639db78d100a1b4624ae4c7f0e20f85
MD5 hash:
e899386905a6a4bbf58dba3be151fd35
SHA1 hash:
a047e3e077d60f29b0a97029afa5025c4aa05e5d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/677579a7-3293-4a3f-9e25-292fe1095b6c/
Parent samples :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 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
Link:
https://www.unpac.me/results/677579a7-3293-4a3f-9e25-292fe1095b6c/
SH256 hash:
3d9be123033d0e873584e490549d3a2f8f0d76257a8a30e97896bb3dc254626f
MD5 hash:
418e7d1cbe83a728b9376384d05ab0fc
SHA1 hash:
12f0f9ed291c8ccc3a82948bec67acf88304ae8b
Link:
https://www.unpac.me/results/677579a7-3293-4a3f-9e25-292fe1095b6c/
SH256 hash:
46d78943f26576a230170afb9b13179cb7e2aac34c3f9a7cd023192f7fcf9891
MD5 hash:
d22a0becd005f6167cc51c942cf9aecb
SHA1 hash:
8a7255b0c4fcc671170d759603bc5093878d8ef3
Link:
https://www.unpac.me/results/677579a7-3293-4a3f-9e25-292fe1095b6c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/46d78943f265/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/46d78943f26576a230170afb9b13179cb7e2aac34c3f9a7cd023192f7fcf9891

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 46d78943f26576a230170afb9b13179cb7e2aac34c3f9a7cd023192f7fcf9891

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/296429/

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