MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6198d9bed18e04a2661a530baa625bc1405bae202a283928ef5246e1625c6c5a. 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: 18


Intelligence 18 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6198d9bed18e04a2661a530baa625bc1405bae202a283928ef5246e1625c6c5a
SHA3-384 hash: 9cae577549b25ba5aecabc3afc3a1662e06777eb3de25c141f99a9fd193cb438291f2a56ef589f2485d878d9875d40e4
SHA1 hash: 3586dde021ef013a6fbc7b126610acc61b910a57
MD5 hash: f836946fa95df493a78871faee76c3f3
humanhash: island-lamp-massachusetts-batman
File name:Talimat- Vakifbank.doc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:343'927 bytes
First seen:2023-06-22 12:34:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:/Ya6jub17uy4BfqCrx2644Wb30Mn+fwrd/uHIUJILokCairiWMoUI5CMti0+4SLF:/YR017uy27F24KBn+g/uoUJIMkCaS7CF
Threatray 2'405 similar samples on MalwareBazaar
TLSH T10D742344B681C4A3D87A6370CD72976AEFBDE9011461E55A2B600F4E7AE2630FB1D3D3
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) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Talimat- Vakifbank.doc.exe
Verdict:
Malicious activity
Analysis date:
2023-06-22 12:36:47 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/f98d129b-559d-4dec-9c12-0cfe5b69988c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/401677/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.22777.27440.14634.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/92119/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin masquerade overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64943ff799f0c0cb0933832c/reports/a4f2ccb0-9920-4813-bdb3-fa7f34a50865/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/6198d9bed18e04a2661a530baa625bc1405bae202a283928ef5246e1625c6c5a
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/fbb231e8-06bf-4b46-b673-0bddd1aecd37
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1259712
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 892732 Sample: Talimat-_Vakifbank.doc.exe Startdate: 22/06/2023 Architecture: WINDOWS Score: 100 31 www.gudusisamfbank.africa 2->31 39 Snort IDS alert for network traffic 2->39 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 9 other signatures 2->45 11 Talimat-_Vakifbank.doc.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\romwmmjen.dll, PE32 11->29 dropped 55 Detected unpacking (changes PE section rights) 11->55 57 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 11->57 59 Maps a DLL or memory area into another process 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 Talimat-_Vakifbank.doc.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 3 1 15->18 injected process9 dnsIp10 33 www.cootefamily.net 98.124.224.17, 49696, 80 ENOMAS1US United States 18->33 35 www.centered-psychotherapy.com 18->35 37 www.0to9shop.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 wlanext.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6198d9bed18e04a2661a530baa625bc1405bae202a283928ef5246e1625c6c5a/
Threat name:
Win32.Trojan.Nemesis
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Status:
Malicious
First seen:
2023-06-22 12:35:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mgmntpwrryckezq2kmf2uys3yfafxlrafiudskhpkjdocys4nrna._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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0122584da96994f6298919ddd4ac732ad4430977acb87563b1fc6794aa346ca9
Formbook
1c120ac2bc08fbd5455f3d5a47dd87ce73e40fa4b0f7a3cdb2d41a85c800e603
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2fdacdb36dfe8221e189f86b9ec7fbb6673a05b0b3ca396bfcf8240b0212b3b4
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49698b30764a0b6ded2f0164c32670a784fa294b656008bee2337a4600da406f
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5d83a43d87b1e3b3d0464602efc817391577b18b11f97230d51214f67627b4be
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615349f7344705307b2316dee1177a887390195e85d692069fb2c74def5a4ece
Formbook
ae617e932d45d1288f1ef5ecd2b72b2da822d8167142d041b08f61defb59daf3
Formbook
b5db87325a5b386200f2379ce42a371b27efe823cf726d707ba79248bbecb2f2
Formbook
ca92353954eb428f99d73b11f26650f1ed59df39a99a04d45552c8b9ba4e1459
Formbook
d67bc9de761645c9aa4b5669cd355f2fecde8b4e9b22f64f327f282754742031
Formbook
+ 2'395 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a04y rat spyware stealer trojan
Link:
https://tria.ge/reports/230622-psby6aed46/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
4be4a2208f768345013519e3d092a12375d2a9a486949046fc525fd75495fcb3
MD5 hash:
1383b3bb844de68f4733531b841fe56a
SHA1 hash:
9e6e92794b9a6faf6123fb8ff735c582e8e71cfe
Link:
https://www.unpac.me/results/414d6f91-4122-4397-912e-e4dee7ad689a/
SH256 hash:
6198d9bed18e04a2661a530baa625bc1405bae202a283928ef5246e1625c6c5a
MD5 hash:
f836946fa95df493a78871faee76c3f3
SHA1 hash:
3586dde021ef013a6fbc7b126610acc61b910a57
Link:
https://www.unpac.me/results/414d6f91-4122-4397-912e-e4dee7ad689a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6198d9bed18e/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/6198d9bed18e04a2661a530baa625bc1405bae202a283928ef5246e1625c6c5a

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:shellcode
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Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe 6198d9bed18e04a2661a530baa625bc1405bae202a283928ef5246e1625c6c5a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/401677/

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