MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679
SHA3-384 hash: fc23537c7af302e616df53b60b5042ec07e59f34d2629591f6203f9eb52b3072ce2d7994e182883d562e067230bee70d
SHA1 hash: d958e304dbd45b11f414034799e005510ff2d94d
MD5 hash: daeeb64bc3b2ca69d5062b932d9f5486
humanhash: florida-lactose-floor-tango
File name:cuenta iban-ES65.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:833'872 bytes
First seen:2024-02-28 13:50:46 UTC
Last seen:2024-02-28 15:52:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 12288:6JTQdb6aT/+OkC2WOPASrfuhheB0IyXUJW+QiAukU30+9Ir/CSQC:mTQdb6aTfkC2WOIOI4qIwUk+T/G/CA
TLSH T1230512475A95DC17C69352744DE1E37B933CCEC01E2A8B436FC0394ABCB6F9A3986098
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon caccecfc7c7e0200 (2 x Formbook, 1 x GuLoader)
Reporter malwarelabnet
Tags:exe FormBook signed

Code Signing Certificate

Organisation:Dargsman
Issuer:Dargsman
Algorithm:sha256WithRSAEncryption
Valid from:2023-12-02T04:19:26Z
Valid to:2026-12-01T04:19:26Z
Serial number: 5f97c8114f42266e221712a7d4844a0839c28c3d
Thumbprint Algorithm:SHA256
Thumbprint: 89d2e754350daf49d387444e1b961e1df6b09e37f314469ca2a89f203171181d
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
306
Origin country :
CA CA
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/478134/
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.22492.25566.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65df3ac6c51a2f3b9bbd8e2a/reports/f2854402-1500-4b49-8ce1-8c09407ae24e/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d87c26a8-631e-45ed-9048-1bdce90a4d65
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1400222
Signature
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
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 FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1400222 Sample: cuenta iban-ES65.exe Startdate: 28/02/2024 Architecture: WINDOWS Score: 100 32 www.stellerechoes.xyz 2->32 34 xiefly.shop 2->34 36 27 other IPs or domains 2->36 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 58 3 other signatures 2->58 10 cuenta iban-ES65.exe 7 51 2->10         started        signatures3 56 Performs DNS queries to domains with low reputation 32->56 process4 file5 28 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 10->28 dropped 30 C:\Users\user\AppData\Local\...\System.dll, PE32 10->30 dropped 13 cuenta iban-ES65.exe 6 10->13         started        process6 dnsIp7 46 drive.google.com 142.250.72.142, 443, 49745 GOOGLEUS United States 13->46 48 drive.usercontent.google.com 172.217.14.97, 443, 49746 GOOGLEUS United States 13->48 68 Maps a DLL or memory area into another process 13->68 17 WMtoozwgiGDXomfGULAgxKrs.exe 13->17 injected signatures8 process9 process10 19 rasautou.exe 13 17->19         started        dnsIp11 38 154.39.248.133, 80 COGENT-174US United States 19->38 60 Tries to steal Mail credentials (via file / registry access) 19->60 62 Tries to harvest and steal browser information (history, passwords, etc) 19->62 64 Writes to foreign memory regions 19->64 66 3 other signatures 19->66 23 WMtoozwgiGDXomfGULAgxKrs.exe 19->23 injected 26 firefox.exe 19->26         started        signatures12 process13 dnsIp14 40 globalworld-travel.com 109.234.166.81, 49821, 49822, 49823 O2SWITCHFR France 23->40 42 teenpattimasterapp.org 84.32.84.32, 49804, 49805, 49806 NTT-LT-ASLT Lithuania 23->42 44 12 other IPs or domains 23->44
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-02-28 05:05:45 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
16 of 38 (42.11%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qy2khw2uf2mwgn3st75lhej6jbrt6zbc2hg6tjxxioscuo7xkz4q._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/240228-q5s9msdb7z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Unpacked files
SH256 hash:
681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59
MD5 hash:
2ae993a2ffec0c137eb51c8832691bcb
SHA1 hash:
98e0b37b7c14890f8a599f35678af5e9435906e1
Link:
https://www.unpac.me/results/777277bb-141f-46cd-81e4-be1794349fb6/
SH256 hash:
3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9
MD5 hash:
b648c78981c02c434d6a04d4422a6198
SHA1 hash:
74d99eed1eae76c7f43454c01cdb7030e5772fc2
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/777277bb-141f-46cd-81e4-be1794349fb6/
Parent samples :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 hash:
88c0cb3f0b0633bb21184e1b6a9c48ca45e544922de2f73e3089538ca1180b79
MD5 hash:
da9405294ee33017a48eb728347dd68d
SHA1 hash:
639a44069006281abe7a5c9ede2a96d9abc0b18b
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/777277bb-141f-46cd-81e4-be1794349fb6/
Parent samples :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 hash:
8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679
MD5 hash:
daeeb64bc3b2ca69d5062b932d9f5486
SHA1 hash:
d958e304dbd45b11f414034799e005510ff2d94d
Link:
https://www.unpac.me/results/777277bb-141f-46cd-81e4-be1794349fb6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8634a3db542e/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/8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679

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:Detect_SliverFox_String
Create hunting rule
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

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/478134/

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