MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab324b4eda9b5877916781820227dad6bdcaa9eb998d5159cc9fc8310e081c5c. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments
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SHA256 hash: ab324b4eda9b5877916781820227dad6bdcaa9eb998d5159cc9fc8310e081c5c
SHA3-384 hash: cce1089b66e870b594fbc42018f732fceb52391aebc58fbcf01d47634bb1edad70704280cffb130f9365d71542ff8f79
SHA1 hash: 59d622c862105dca5034257e02ddc929140af1a2
MD5 hash: b533dc851df32fd572f39e6c2816e341
humanhash: west-tennis-cold-vermont
File name:2025-02-12_b533dc851df32fd572f39e6c2816e341_krakencryptor.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:904'704 bytes
First seen:2025-02-14 16:51:33 UTC
Last seen:2025-02-14 17:38:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:9hH9mUaVbQdcux0Yw6a/zFna1ergvWpm:vMVbQHNJa5nye0+pm
Threatray 4'432 similar samples on MalwareBazaar
TLSH T18D15D0D4FE8588C9ECA946F24C6A95301176AE9E84D0D71E30C57F27BEB3343209799B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
File icon (PE):PE icon
dhash icon 7c9898dc982c5418 (1 x Formbook, 1 x DarkTortilla)
Reporter BastianHein
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
493
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
2025-02-12_b533dc851df32fd572f39e6c2816e341_krakencryptor
Verdict:
Malicious activity
Analysis date:
2025-02-12 09:51:29 UTC
Tags:
formbook xloader stealer
Link:
https://app.any.run/tasks/53c6bb23-d1e9-4fe3-abc1-24648f2b0c0c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.7742.31753.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67af75b8a0fd713c335ad377
Tags:
agenttesla virus remo msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated obfuscated packed vbnet
Link:
https://www.filescan.io/uploads/67af74d4de8d8ae2bd455184/reports/aba97fd9-7243-4d18-aa09-326e3a6082b2/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ab324b4eda9b5877916781820227dad6bdcaa9eb998d5159cc9fc8310e081c5c
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7ca0073e-3d01-45c4-8cc8-85b065505331
Result
Threat name:
DarkTortilla, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1615268
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious 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
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1615268 Sample: CNh6pmA7rj.exe Startdate: 14/02/2025 Architecture: WINDOWS Score: 100 31 www.r-software-68625.bond 2->31 33 www.omen-clothing-35519.bond 2->33 35 www.elplinkai.africa 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 9 other signatures 2->43 11 CNh6pmA7rj.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\CNh6pmA7rj.exe.log, ASCII 11->29 dropped 53 Writes to foreign memory regions 11->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->55 57 Injects a PE file into a foreign processes 11->57 15 AddInProcess32.exe 11->15         started        18 AddInProcess32.exe 11->18         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 69 2 other signatures 15->69 20 explorer.exe 49 1 15->20 injected 65 Tries to detect virtualization through RDTSC time measurements 18->65 67 Switches to a custom stack to bypass stack traces 18->67 process9 process10 22 cmmon32.exe 20->22         started        signatures11 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 51 Switches to a custom stack to bypass stack traces 22->51 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ab324b4eda9b5877916781820227dad6bdcaa9eb998d5159cc9fc8310e081c5c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab324b4eda9b5877916781820227dad6bdcaa9eb998d5159cc9fc8310e081c5c/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-02-11 04:13:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vmzewtw2tnmhpelhqgbaej622264vkpltggvcwomt7edcdqidroa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
7210fe9ae7f716374293efd95b88db7c1d6e726ef1901591aa42ec6c3f11a44d
Formbook
794ff32dcb5a26819bea2fa85f82ee36dae53a5d6a6d2e42790801bfb018cda7
Formbook
8ac5dceeed786e06a01cec7ce9d550a0f48c50511ad81db887c69fd5d720ff3e
Formbook
8cde8e6a8021c1d4d221179126d6fdd2a2a20a2b24f57fc20202f86640350f96
Formbook
901e0cc15f4525b844025cc57959ee5dc434844ba318e9f1349589ba965c1f53
Formbook
9405e5517f3a40a2dafc9e86359aa53e211af30c4fe1a7f77b24bd42ccc36354
Formbook
94950eecd04b39b6b5e9e79f403ff8d5413ffd9d8176d8af0dc059862b720cf1
Formbook
9d6d28627c34f8d225dde0a78d27418d461ea3a35e6bc4afa0f50e9cb8bc1b21
Formbook
a78e65c599449ae8f781711a5b432c95fd1c7ebbb4bb1c9353087e79b62f6489
Formbook
error
Formbook
+ 4'422 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gd08 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250214-vdepdstqfn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Downloads MZ/PE file
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2e8b9c62-2f4a-4b10-b9ff-533ef15fd457
Unpacked files
SH256 hash:
ab324b4eda9b5877916781820227dad6bdcaa9eb998d5159cc9fc8310e081c5c
MD5 hash:
b533dc851df32fd572f39e6c2816e341
SHA1 hash:
59d622c862105dca5034257e02ddc929140af1a2
Link:
https://www.unpac.me/results/a6fb0562-b57b-4132-91ab-1f195e42e558/
SH256 hash:
da4cb91d96214c7134a9e8799fdf241bd6b8103eecd4efb1b8c228ca3c8e7e91
MD5 hash:
9a06e083cd0531927dcd616b9b601ffa
SHA1 hash:
9584f7e1c8ab7be5900762abcaedf20cb92e4ae7
Link:
https://www.unpac.me/results/a6fb0562-b57b-4132-91ab-1f195e42e558/
SH256 hash:
e8b36b699ec20f86c8bff059cdd4e8341af13e2c22132ba99e65ec9fc60deb6b
MD5 hash:
19dc5498d1afdc9b752df40458c0c4f0
SHA1 hash:
b01040f8828d382f8a8af2d05c0fb0102bb346ce
Link:
https://www.unpac.me/results/a6fb0562-b57b-4132-91ab-1f195e42e558/
SH256 hash:
2cb5b8fbcd0994c8371837858c1f6dfe8e0de017e86437c7aee38d710209f10a
MD5 hash:
4f5880d558000b383fbb6efb21100997
SHA1 hash:
d2ceb9140d797b0f4db46a0a02c274e4fe89f349
Link:
https://www.unpac.me/results/a6fb0562-b57b-4132-91ab-1f195e42e558/
SH256 hash:
086e69027fa9c3b8a87120bd3a1c99ef5d1a640e412722e11d839f02470c38e8
MD5 hash:
a411981f732bdcb2af93a1820cb9e0c7
SHA1 hash:
936f4e532a3fc0923ccbb5537b10380a4e3e76cb
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/a6fb0562-b57b-4132-91ab-1f195e42e558/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ab324b4eda9b/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/ab324b4eda9b5877916781820227dad6bdcaa9eb998d5159cc9fc8310e081c5c

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
Create hunting rule
Author:malware-lu
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.

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 (GUARD_CF)high

Comments