MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bf88c8e82f306e249d71856460626383a4befe7ca9115afbddbae0c7a960242. 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: 12


Intelligence 12 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2bf88c8e82f306e249d71856460626383a4befe7ca9115afbddbae0c7a960242
SHA3-384 hash: 9a9bb0a1526427744cdabebdff722e48a6dc90b8eb5abee1965feaf1cc4b19dd18c7e36c41a914842bc85e9ed031b64b
SHA1 hash: f6078d0dba06e4d7c425451ccc4065babe5cffdc
MD5 hash: ab004740d68588f0dd7f9f9cf8fa27ee
humanhash: fillet-missouri-neptune-item
File name:file.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:622'592 bytes
First seen:2023-11-13 06:52:39 UTC
Last seen:2023-11-13 08:22:15 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 12288:2cdSg6/CoFTPg+VOmZnLr+UOXLVOkoAQyQabSJkM:gCoKYLrqXLGp
TLSH T1FBD4228039E69B01D66CABBE91D11160DFF990071802E3DD2CC461EEDAFB704C569BB7
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00a282a2a282a200 (17 x Formbook, 11 x AgentTesla, 4 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
315
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/458301/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.19450.12142.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6551c7d7b50c95575922b892/reports/cae7e626-cd75-4eb3-9de6-acd1e6cbe9b1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/2bf88c8e82f306e249d71856460626383a4befe7ca9115afbddbae0c7a960242
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/2bfc7ee9-e7f0-414a-b193-e33fc612cb45
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1341555
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
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 FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2bf88c8e82f306e249d71856460626383a4befe7ca9115afbddbae0c7a960242
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2bf88c8e82f306e249d71856460626383a4befe7ca9115afbddbae0c7a960242/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2023-11-13 06:53:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fp4izduc6mdoesoxdblembrgha5ex37hzkirll553oxay6uwajba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/231113-hnm3asba3s/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
4549efbcddb7a6ed25955f2ccd49f43ab707299e12fe60655b1809edeef6c573
MD5 hash:
40e53a6960031e8ffe002c3e15fb2c5c
SHA1 hash:
e74ecc57d72abbbe5486130bd6f4c1b4136efec3
Link:
https://www.unpac.me/results/53ae9f65-a7f1-4a0a-b8c5-2340f5fb78ca/
SH256 hash:
0a351e21008b1210125bc55edc9838942ad40a8e64fd28dada7cfdbf728b7e6e
MD5 hash:
4818f50f932b66aecaf32630944c4717
SHA1 hash:
2a823c0d41a3e0feed74f31bbc0042473aed3a11
Link:
https://www.unpac.me/results/53ae9f65-a7f1-4a0a-b8c5-2340f5fb78ca/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/53ae9f65-a7f1-4a0a-b8c5-2340f5fb78ca/
SH256 hash:
7dd9d93bd42098480da0cd99de4d14a4e293dd74d060718adc0fa2f4edfb213a
MD5 hash:
e7b0d70c19ee002d402cdeea42ac0e85
SHA1 hash:
c4bad836a0e6b7e3fcc882dac9f11ff2aaba98dd
Link:
https://www.unpac.me/results/53ae9f65-a7f1-4a0a-b8c5-2340f5fb78ca/
SH256 hash:
62757af7ce2dcfe188245dd26d85e233c2ded82311c600c7c8ec83c8c8a071b2
MD5 hash:
804cc8416b7db140f03d251ca3abbf00
SHA1 hash:
1a1160f7db639606a1046b555b08a43035aff960
Link:
https://www.unpac.me/results/53ae9f65-a7f1-4a0a-b8c5-2340f5fb78ca/
SH256 hash:
2bf88c8e82f306e249d71856460626383a4befe7ca9115afbddbae0c7a960242
MD5 hash:
ab004740d68588f0dd7f9f9cf8fa27ee
SHA1 hash:
f6078d0dba06e4d7c425451ccc4065babe5cffdc
Link:
https://www.unpac.me/results/53ae9f65-a7f1-4a0a-b8c5-2340f5fb78ca/
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 2bf88c8e82f306e249d71856460626383a4befe7ca9115afbddbae0c7a960242

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/458301/

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