MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b46ef2817136baf93292f3c0b205b30c47d3cda081df9bc3421d941fd1d4378d. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b46ef2817136baf93292f3c0b205b30c47d3cda081df9bc3421d941fd1d4378d
SHA3-384 hash: d832177bddfd30e639f643f5dda40fe2cdddad6a45d5caad8c4435b9a9bfceb742d7afc202a2cba4e570bbf17ebf1789
SHA1 hash: def9a6c59ba694500a160a6dac6b06bb505cca66
MD5 hash: f9bd29c02e57786b915215f98bb7c683
humanhash: pasta-nine-zulu-johnny
File name:b46ef2817136baf93292f3c0b205b30c47d3cda081df9bc3421d941fd1d4378d
Download: download sample
Signature Formbook
Create hunting rule
File size:1'183'232 bytes
First seen:2023-12-07 14:45:23 UTC
Last seen:2023-12-07 16:17:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:wKl0XnbYLNSlzzuVQsoqnzfsEKF4lVdAZEhgBKypp7zrCuXu6Ti3Zh3+vJoF8rT8:wjbmMaV3oQTsE443nyj7z2uZRUC+v4
TLSH T122451933BA978DA5F39B6736C5B704001B78E981A223D7CF794A23D96843777AE41603
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
282
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/463262/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.23328.18081.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand greyware lolbin remote
Link:
https://www.filescan.io/uploads/6571daab3636548f3740b251/reports/32783beb-9cc9-4a68-9ae8-81b79a5e0974/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b46ef2817136baf93292f3c0b205b30c47d3cda081df9bc3421d941fd1d4378d
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/e35dbbdd-4fbf-4c13-934b-380e885005c6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1355504
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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 Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1355504 Sample: Q0Z9d3ka56.exe Startdate: 07/12/2023 Architecture: WINDOWS Score: 100 26 www.vjty2974.com 2->26 28 www.rcosewe.com 2->28 30 5 other IPs or domains 2->30 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 5 other signatures 2->52 10 Q0Z9d3ka56.exe 3 2->10         started        signatures3 process4 signatures5 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->54 56 Writes to foreign memory regions 10->56 58 Allocates memory in foreign processes 10->58 60 Injects a PE file into a foreign processes 10->60 13 RegAsm.exe 10->13         started        process6 signatures7 62 Maps a DLL or memory area into another process 13->62 16 aTcsdAfMHOASHUmgcW.exe 13->16 injected process8 process9 18 sfc.exe 13 16->18         started        signatures10 38 Tries to steal Mail credentials (via file / registry access) 18->38 40 Tries to harvest and steal browser information (history, passwords, etc) 18->40 42 Writes to foreign memory regions 18->42 44 3 other signatures 18->44 21 aTcsdAfMHOASHUmgcW.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 09510741.vjty2974.com.cname.scname.com 65.181.132.144, 49722, 49723, 49724 PAIR-NETWORKSUS United States 21->32 34 rcosewe.com 167.172.228.26, 49710, 49711, 49712 DIGITALOCEAN-ASNUS United States 21->34 36 3 other IPs or domains 21->36
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b46ef2817136baf93292f3c0b205b30c47d3cda081df9bc3421d941fd1d4378d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b46ef2817136baf93292f3c0b205b30c47d3cda081df9bc3421d941fd1d4378d/
Threat name:
Win32.Trojan.Generic
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Status:
Malicious
First seen:
2023-11-20 06:15:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 37 (51.35%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wrxpfalrg25psmus6palebntbrd5htnaqhpzxq2cdwkb7uoug6gq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231207-r5ayqscc28/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
69e391c7f056733712382480c4ad30ff46ab45edd3fc991b7c8c356d23959a8d
MD5 hash:
464b6ef3e1a90661151b882780887a3c
SHA1 hash:
1182e16428c62ff600cd05d24a5c2600d8461d68
Link:
https://www.unpac.me/results/07434b7e-b80e-4c62-b6ca-1f53bff54acf/
SH256 hash:
004f76c69fec5342f6b808fb88a56b30753130a2d29c30647f0aa74938f056db
MD5 hash:
f423beadd4920f9cad51c48b64b20ac0
SHA1 hash:
1a6661e603b537c6a8d8a48d7f0e7c29216ca3e4
Link:
https://www.unpac.me/results/07434b7e-b80e-4c62-b6ca-1f53bff54acf/
SH256 hash:
2a4f707f2d010194e15ecde9bacd6bfe2b18ef9a0ced04101483c317b08541c2
MD5 hash:
7ca83e0dc8c088961c35d2833070ba23
SHA1 hash:
6f470b49d85e6e36cd5da90e9c3445618ee28284
Link:
https://www.unpac.me/results/07434b7e-b80e-4c62-b6ca-1f53bff54acf/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/07434b7e-b80e-4c62-b6ca-1f53bff54acf/
SH256 hash:
fcf007efab4e70f60d3470e8f570ba67424b56da38075e40cb2e08ecd2870bfa
MD5 hash:
d6378533558c8e1bafb6ec7d51df53ec
SHA1 hash:
22001fea2287d568a3bac7d3f30ab04492c68031
Link:
https://www.unpac.me/results/07434b7e-b80e-4c62-b6ca-1f53bff54acf/
SH256 hash:
b46ef2817136baf93292f3c0b205b30c47d3cda081df9bc3421d941fd1d4378d
MD5 hash:
f9bd29c02e57786b915215f98bb7c683
SHA1 hash:
def9a6c59ba694500a160a6dac6b06bb505cca66
Link:
https://www.unpac.me/results/07434b7e-b80e-4c62-b6ca-1f53bff54acf/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b46ef2817136/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/b46ef2817136baf93292f3c0b205b30c47d3cda081df9bc3421d941fd1d4378d

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.

Cape
Cape
https://www.capesandbox.com/analysis/463262/

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