MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a321e21bd01aa4f0ff4793c7ab4b2bcc01ff89f098b39daa0ba1e335f05ca2a. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
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SHA256 hash: 2a321e21bd01aa4f0ff4793c7ab4b2bcc01ff89f098b39daa0ba1e335f05ca2a
SHA3-384 hash: dc40fd8ebfe262ea5b2fbb4a739cb1bb8f4d977436f66502ba9efc11a349c9f98b4f74f9b8763b39378a79e2ff1a5723
SHA1 hash: 89f38d29f17720b06b32b4c6cf9bf391e21f02bb
MD5 hash: 49c7c1d1f1d9588a0b9eeb5376580072
humanhash: low-low-tango-mississippi
File name:P.O-0024-000029653.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:671'744 bytes
First seen:2024-03-13 13:59:45 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:DMsJTENl3lL6mSGFlpb7rWHPZIkGsDrhXkDbAIZgaxoyFXEO3oRzZYpSxQv:5xENl5pd/pbevF3DrhXkDU4xFEO3ohZh
TLSH T1F9E4018836BC5E53C2B9B6F80561616843F2256A2466E7FC1ED23ACB50EAF410B60F57
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon d4d4d4d4d4d4c4c4 (15 x AgentTesla, 10 x Formbook, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
346
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2a321e21bd01aa4f0ff4793c7ab4b2bcc01ff89f098b39daa0ba1e335f05ca2a.exe
Verdict:
Suspicious activity
Analysis date:
2024-03-13 14:10:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3840c8db-ae70-407c-b4b0-cc17fe78b24b

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/478912/
Detection(s):
Win.Packed.Formbook-10023145-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65f1b167c1137bbf149946ba/reports/2b33019c-c4e9-4025-aea0-6e510a20bf13/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/2a321e21bd01aa4f0ff4793c7ab4b2bcc01ff89f098b39daa0ba1e335f05ca2a
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0478abdb-4002-4a02-9be7-82db33010162
Result
Threat name:
FormBook, PureLog Stealer
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1408289
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Rundll32 Execution Without CommandLine Parameters
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1408289 Sample: P.O-0024-000029653.exe Startdate: 13/03/2024 Architecture: WINDOWS Score: 100 35 www.squidgamehalf.com 2->35 37 www.oo9cs.site 2->37 39 11 other IPs or domains 2->39 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 12 other signatures 2->47 11 P.O-0024-000029653.exe 3 2->11         started        signatures3 process4 signatures5 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 14 P.O-0024-000029653.exe 11->14         started        process6 signatures7 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 Queues an APC in another process (thread injection) 14->65 17 explorer.exe 81 1 14->17 injected process8 dnsIp9 29 greenfieldnetworkinvest.com 173.252.167.120, 49709, 80 SRS-6-Z-7381US United States 17->29 31 www.squidgamehalf.com 198.54.117.242, 49711, 80 NAMECHEAP-NETUS United States 17->31 33 6 other IPs or domains 17->33 20 rundll32.exe 17->20         started        23 autofmt.exe 17->23         started        process10 signatures11 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51 53 Tries to detect virtualization through RDTSC time measurements 20->53 25 cmd.exe 1 20->25         started        process12 process13 27 conhost.exe 25->27         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2a321e21bd01aa4f0ff4793c7ab4b2bcc01ff89f098b39daa0ba1e335f05ca2a
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/2a321e21bd01aa4f0ff4793c7ab4b2bcc01ff89f098b39daa0ba1e335f05ca2a/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2024-03-12 03:13:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fizb4in5agve6d7upe6hvnfsxtab76e7bgfttwvaxipdgxyfziva._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ki21 rat spyware stealer trojan
Link:
https://tria.ge/reports/240313-raznlsgc25/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
49e4740bda6c13ab67503ed276497089205a297dc2ca2645116b37e1f3b9d0aa
MD5 hash:
73673e1cff8aa4de7fe976521ed74940
SHA1 hash:
958864dcd2ea903319640681b62a5d630b254374
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Formbook
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Link:
https://www.unpac.me/results/d4264f1b-df43-4d84-9404-10a31256b2aa/
Parent samples :
ac0b1f47f36bdbc8974390d8473d74f6e71d5219a338796ed9d0582f8020f8c7
21a34d80499260fcf691ed16c83da9f3a9d14a7e2299d73d7976112230a98e5a
2a1b5e6dcd2c73e73fa3cdd788771c9f25152cb60d8c8ad186983327f541d0fa
96deb2b04135c0b3d7f7ad059870a3fb2e8aebcf8c260df81f507d8fbe71fb5c
b98dbe3fbbc3aebd02d205d45b61c61d71b83bc8cec5435bb6e5c9b880872f73
37b8750101990658c22bfd86276c1b8ae86b627a40ac5b8ce20b9b305a3ff465
2a321e21bd01aa4f0ff4793c7ab4b2bcc01ff89f098b39daa0ba1e335f05ca2a
SH256 hash:
06a1ae787e808d6287de314be8bec64ef2e0d3bc1bf2ea71ae268c7b8fb19e2d
MD5 hash:
91b39e533d48f5fa25ac604da90b3d8d
SHA1 hash:
f5dadf1e8fcbe64609e4cd78a27e2810f7a6e69e
Link:
https://www.unpac.me/results/d4264f1b-df43-4d84-9404-10a31256b2aa/
SH256 hash:
c8c1020fe926cc1851b73c1915ad32e2fc393dccb402782aca8f4ea6379ba84d
MD5 hash:
ef7cf89d9ec52b18a8f5b6ee49820f46
SHA1 hash:
dcf9cb9bb3f72ca4b3cc0c00b27bd9ce10b554bb
Link:
https://www.unpac.me/results/d4264f1b-df43-4d84-9404-10a31256b2aa/
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/d4264f1b-df43-4d84-9404-10a31256b2aa/
SH256 hash:
f81bf3bd3c89552caf8069c2e1c189d80ef89f3021388910912b6c4c09d54ace
MD5 hash:
43921605f2f4f76f13abcfd71a5c95fd
SHA1 hash:
a03b3092e00079a135d69ae62f720399c8846e50
Link:
https://www.unpac.me/results/d4264f1b-df43-4d84-9404-10a31256b2aa/
SH256 hash:
2a321e21bd01aa4f0ff4793c7ab4b2bcc01ff89f098b39daa0ba1e335f05ca2a
MD5 hash:
49c7c1d1f1d9588a0b9eeb5376580072
SHA1 hash:
89f38d29f17720b06b32b4c6cf9bf391e21f02bb
Link:
https://www.unpac.me/results/d4264f1b-df43-4d84-9404-10a31256b2aa/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2a321e21bd01/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2a321e21bd01aa4f0ff4793c7ab4b2bcc01ff89f098b39daa0ba1e335f05ca2a

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:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/478912/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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