MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 297816a6bb8f008a10a211b07234daaaf96f844434ff17b981f2dae4f79a3c89. 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 25 File information Comments

SHA256 hash: 297816a6bb8f008a10a211b07234daaaf96f844434ff17b981f2dae4f79a3c89
SHA3-384 hash: 79b0ec1d537d8d18e3f3f89ec1e8f831fee84d8050813cef9e4e3f21f3ce80c720220b52066415ee79527f1a47a80402
SHA1 hash: 8018b71b9422a1006b852db26328e665cc82c004
MD5 hash: c6be2ee6dd748cd529fab1b347fc0dfe
humanhash: hotel-charlie-diet-muppet
File name:DHL shipping DOC_6979374150.exe
Download: download sample
Signature Formbook
File size:739'848 bytes
First seen:2024-02-22 06:26:54 UTC
Last seen:2024-02-22 08:25:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:i5Ujd53LlvHlqnxjzS+cu++Lg/lGToNgdBAmL6/q/RICC3aLHcWGkR:eKPyVzS+cu+p/LgdBfh/uJqrcw
TLSH T173F423969B506646DF9C72F132A9CA0AF730F69B3C39C7D97CCF81A25544380A3A461F
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 10b134d988eacc04 (4 x Formbook, 3 x AgentTesla, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
322
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay 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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2024-02-22 02:43:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
a910e8639fb527e5062537f8cdb5dc8e700104b5752900083ba836d056d5a7fa
MD5 hash:
984c799a3e697fbae6d9d48d277beae9
SHA1 hash:
35b2af9bd4a9cc6ccda59b2dede65d9b491ff10f
Detections:
win_formbook_w0 win_formbook_g0
SH256 hash:
c4ad3351d04ce6d339969f5682c1978420041aba7a2084a33178e50c62746d86
MD5 hash:
5adca6a717e1b4517cd2ffb2a69981de
SHA1 hash:
4db158aaa7f572e383133263feb7bd26f37ca7cd
SH256 hash:
a76dff31a811fa2cefbdeec1ce4b7ced0653d972144d0e2a6fe461e4b58fbc5b
MD5 hash:
d7e4eb1137c1b435ce971c82050e8aff
SHA1 hash:
67fb1a2575a06cbe83b0a8b88d848d637cc69fc3
SH256 hash:
ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769
MD5 hash:
09f7fb78314d30bf7c69d72caa9da978
SHA1 hash:
5536e0f86fe6e36f11e5ba03a8f559675dd82f30
SH256 hash:
42e5bbee4b498550f505c1232326adbf9d5d23c7e90174eb142b4963b879fe7b
MD5 hash:
100a8095e042378d2c227eb0ff37b6d4
SHA1 hash:
32c4a6457d7c01e9e135c3750d571114bc0ef3a0
SH256 hash:
3e94b0c40d76899a47efa2815b1c89b0688c97e743fe3ca211ead77f9d937992
MD5 hash:
a5b73cb6c0d601daedde3b0b97f8351e
SHA1 hash:
0d39ad39edc8ece77a0e4f9fcb49c67534d55cce
SH256 hash:
297816a6bb8f008a10a211b07234daaaf96f844434ff17b981f2dae4f79a3c89
MD5 hash:
c6be2ee6dd748cd529fab1b347fc0dfe
SHA1 hash:
8018b71b9422a1006b852db26328e665cc82c004
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
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 297816a6bb8f008a10a211b07234daaaf96f844434ff17b981f2dae4f79a3c89

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments