MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86e5af89c88058cd0ed1e94c67bc931727aabcbd6a817776a979bfca282ea488. 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

SHA256 hash: 86e5af89c88058cd0ed1e94c67bc931727aabcbd6a817776a979bfca282ea488
SHA3-384 hash: b64928dea6d7774a4fb0b4914cc9a963ac3541199445adb93d2afc334efeb3b457ad9cb6d2eb2bb6cb5947a62ff9e626
SHA1 hash: d92d9ed7e0165f3d93e98436bb99cf7875e99d3e
MD5 hash: 3ec85ae7b9827d811d77de50bfc05d55
humanhash: neptune-charlie-iowa-mobile
File name:rIMGSCANN01Bankassicopia.pdf.exe
Download: download sample
Signature Formbook
File size:670'208 bytes
First seen:2023-06-23 12:15:22 UTC
Last seen:2023-06-24 03:00:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:v2iNG4/mNUAy/4nHpdLZUISgQVedGjZ3DoAWbjakRuq4+W:v1M4/QUYnJFqfVedGN/Oj5R74
Threatray 1'269 similar samples on MalwareBazaar
TLSH T184E4122A52F00F59F27B5FB578788150D3B9BA855613E32E1EF420E20673B129F12B97
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter FXOLabs
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
277
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rIMGSCANN01Bankassicopia.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-23 12:15:47 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
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Result
Verdict:
UNKNOWN
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
Adds a directory exclusion to Windows Defender
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 893464 Sample: rIMGSCANN01Bankassicopia.pdf.exe Startdate: 23/06/2023 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 5 other signatures 2->41 7 rIMGSCANN01Bankassicopia.pdf.exe 6 2->7         started        11 kXbzuXEGkzf.exe 4 2->11         started        process3 file4 29 C:\Users\user\AppData\...\kXbzuXEGkzf.exe, PE32 7->29 dropped 31 C:\Users\...\kXbzuXEGkzf.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp294C.tmp, XML 7->33 dropped 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 Adds a directory exclusion to Windows Defender 7->45 47 Injects a PE file into a foreign processes 7->47 13 powershell.exe 21 7->13         started        15 schtasks.exe 1 7->15         started        17 rIMGSCANN01Bankassicopia.pdf.exe 7->17         started        49 Multi AV Scanner detection for dropped file 11->49 51 Machine Learning detection for dropped file 11->51 19 schtasks.exe 1 11->19         started        21 kXbzuXEGkzf.exe 11->21         started        signatures5 process6 process7 23 conhost.exe 13->23         started        25 conhost.exe 15->25         started        27 conhost.exe 19->27         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-06-23 10:57:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 35 (57.14%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
5412da69bdf73b8ac729f3ffbdd21c439216918cdfb50758cf65b623e575f207
MD5 hash:
2455e742a150d182b9d58e342ac8646b
SHA1 hash:
d082d9f4049222b8fe6ca034134e1c773ee267bb
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
SH256 hash:
e2f366b4c4e4ce9c25f8e5befc86684012d3bd26387eb9270099e5ebbf2a4c17
MD5 hash:
7fbed38bb238b165e9ea8d7f2e4ac369
SHA1 hash:
41f49d6d684fc78684c699f1eade38c722ea3009
SH256 hash:
973512f00ba81a790d2351f286c79dfea92692c9f7cd724e22ab11ff282f8130
MD5 hash:
3794c5f7b240e4184d6ea90c5bdd9ec6
SHA1 hash:
26b9c4a753779b4994fe38c16dfe70b07efd3e0d
SH256 hash:
86e5af89c88058cd0ed1e94c67bc931727aabcbd6a817776a979bfca282ea488
MD5 hash:
3ec85ae7b9827d811d77de50bfc05d55
SHA1 hash:
d92d9ed7e0165f3d93e98436bb99cf7875e99d3e
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 86e5af89c88058cd0ed1e94c67bc931727aabcbd6a817776a979bfca282ea488

(this sample)

  
Delivery method
Distributed via e-mail attachment

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