MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fc72b5ec8701ea1681ab2b170652cc65a43765657919f4fd104f967ff944e21. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8fc72b5ec8701ea1681ab2b170652cc65a43765657919f4fd104f967ff944e21
SHA3-384 hash: 85d5edbba2d5b69303f4f1676a1752a7524ebc4e0b564ff7fcc20c5ac775e61621606eeb56dbc5165e2d62f6d673564d
SHA1 hash: 6980ed874467f249416c52dd970aea59bb942a13
MD5 hash: 4a3a63e28d36ef40fb1dd6897480ddb1
humanhash: edward-missouri-dakota-freddie
File name:4a3a63e28d36ef40fb1dd6897480ddb1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:264'309 bytes
First seen:2022-10-20 15:53:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:mbE/HUbyNxUYQUwCp3sU1w2e7NFPchHwvz5KEpbS:mb/ybrp3fwOhHw75FS
Threatray 3'732 similar samples on MalwareBazaar
TLSH T1FB4412402240C4B3D97159737D3E1BBA9EBEA1362871AE2F43507F9CBCA3681495FB61
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
4a3a63e28d36ef40fb1dd6897480ddb1.exe
Verdict:
Malicious activity
Analysis date:
2022-10-20 15:55:18 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/db68fd47-3fd3-4a25-a630-82a9fc28e104

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/322063/
Detection(s):
SecuriteInfo.com.Variant.Jaik.100663.11626.42.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/44000/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63516f1ba67b0a5ed57a87da/reports/25a7d657-b430-45e9-a926-fb5fb139db85/overview
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/937f1c55-63c7-4ef5-a5a2-f1b5d50f11ea
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1094321
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 726963 Sample: wn6wInHNut.exe Startdate: 20/10/2022 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for dropped file 2->48 50 Yara detected FormBook 2->50 52 2 other signatures 2->52 9 wn6wInHNut.exe 18 2->9         started        process3 file4 28 C:\Users\user\AppData\Local\...\gnpmyrrth.exe, PE32 9->28 dropped 12 gnpmyrrth.exe 1 9->12         started        process5 file6 30 C:\Users\user\AppData\Local\TempB1E.tmp, PE32 12->30 dropped 64 Found hidden mapped module (file has been removed from disk) 12->64 16 gnpmyrrth.exe 12->16         started        19 WerFault.exe 23 9 12->19         started        signatures7 process8 signatures9 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 42 Sample uses process hollowing technique 16->42 44 Queues an APC in another process (thread injection) 16->44 21 explorer.exe 16->21 injected process10 dnsIp11 32 ashtechapps.com 108.167.180.198, 49733, 49734, 49735 UNIFIEDLAYER-AS-1US United States 21->32 34 www.ixwhajtqzcweqo.bond 172.67.134.98, 49730, 80 CLOUDFLARENETUS United States 21->34 36 www.ashtechapps.com 21->36 54 System process connects to network (likely due to code injection or exploit) 21->54 25 cscript.exe 13 21->25         started        signatures12 process13 signatures14 56 Tries to steal Mail credentials (via file / registry access) 25->56 58 Tries to harvest and steal browser information (history, passwords, etc) 25->58 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8fc72b5ec8701ea1681ab2b170652cc65a43765657919f4fd104f967ff944e21/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2022-10-21 00:57:43 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r7dswxwioapkc2a2wkyxazjmyzneg5swk6iz6t6rat4wp74ujyqq._file
Verdict:
malicious
Similar samples:
4eaa6cbb07ff01de61ba87d140ca4dcd5c4054f9796bc6c15e6946ef484991ff
Formbook
4f7e671c26e269961ffa6a6639a5522b66c06c8c119bdfb297797473bb7b4cbc
Formbook
589150c2bc7dcf12cccaccc54ee8ee02eee1c96c6e928c91e3ed62cf8470739f
Formbook
5cbb2697a315b04b71fd3f5e5b13122827bef573869fe0d594de05e42db9f7f9
Formbook
6f3cf3c86b951d329146d0ed47c543b435a27e46cd1921309d4a39fbf405f4cd
Formbook
80b8b1f20535fa3c733679f5f6afcd2d8e3757ec424e332e01cb0037b70df154
Formbook
886581e4b23e851f4244fb1a1d028e0ba1ed11d5b85868519cc606a40a06457c
Formbook
f235d678053701a8432d7c8a2ee79a56178db9220163e4d002dea8d837970820
Formbook
+ 3'722 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:wzm0 rat spyware stealer trojan
Link:
https://tria.ge/reports/221020-tb7fyscea5/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/38999e4e-eb5b-4df0-a4cb-27e1428dbc12
Unpacked files
SH256 hash:
85f3f1d801364238c27736a09b2ff71b75cad50816dfd36ffdc9d520aedd3f5d
MD5 hash:
8d4bd9d1ddcc451406427f19a60e05f3
SHA1 hash:
2c16f5fe5147c06e70303d922e178b2e9c762c27
Link:
https://www.unpac.me/results/48811b50-b644-457d-8feb-835c03b45c55/
SH256 hash:
d85cc1a3cf0ab5b40c818fda667ac41e452a5b89f3507a9d02ecab2dbd9d506a
MD5 hash:
dd8a9b3b1365d4461f47dc4315d47e73
SHA1 hash:
511a3892b43043c3dad69b9c3ee43aef379ad997
Link:
https://www.unpac.me/results/48811b50-b644-457d-8feb-835c03b45c55/
SH256 hash:
8fc72b5ec8701ea1681ab2b170652cc65a43765657919f4fd104f967ff944e21
MD5 hash:
4a3a63e28d36ef40fb1dd6897480ddb1
SHA1 hash:
6980ed874467f249416c52dd970aea59bb942a13
Link:
https://www.unpac.me/results/48811b50-b644-457d-8feb-835c03b45c55/
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/8fc72b5ec8701ea1681ab2b170652cc65a43765657919f4fd104f967ff944e21

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin

File information

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

Web download

Formbook

Executable exe 8fc72b5ec8701ea1681ab2b170652cc65a43765657919f4fd104f967ff944e21

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2322914/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/322063/

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