MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79
SHA3-384 hash: d029c9e63c8a7aad667c31f36ba5ea55458620219bc1fdc13f45a674942e58a93d0fa7181e0f432886ebbc3baee9b0b8
SHA1 hash: ccd57efa4c7330c0d351b62a362f8b7b06e35c92
MD5 hash: 3462a1a8071d37ce9110eaea3b9cdf50
humanhash: hydrogen-happy-fourteen-black
File name:Purchase List .exe
Download: download sample
Signature Formbook
Create hunting rule
File size:81'408 bytes
First seen:2024-06-19 22:20:42 UTC
Last seen:2024-06-19 23:25:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 1536:3YTth9Ag7qBLMeHdLfK6IVoi+pQNafOC3BSmDi:3YD7qFHTIMQQmmO
Threatray 1 similar samples on MalwareBazaar
TLSH T13B83D700326FDF13D1AE87FD58B0A11403B46F266A53E74D5EC175EBA5B2B408BA1B87
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon c0c0d4d4ccfcfc7c (1 x Formbook)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
398
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79.exe
Verdict:
No threats detected
Analysis date:
2024-06-19 22:22:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0fb77ff3-3b44-447e-b130-20757070c0d7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.27236.30500.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66735b430f8138dd4eb07b6bwin7simulatehigh_evasion
Tags:
Static Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/667359d3ef9fdf64aa6cedc9/reports/9fe114ac-7bb7-4a55-b4e9-2da0c6016c56/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79
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/0f872d87-8aba-4591-bb3c-e11dcf5b11ba
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1459745
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1459745 Sample: Purchase List .exe Startdate: 20/06/2024 Architecture: WINDOWS Score: 100 27 www.zj5u603.xyz 2->27 29 www.used-cars-99583.bond 2->29 31 4 other IPs or domains 2->31 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 51 7 other signatures 2->51 10 Purchase List .exe 14 3 2->10         started        signatures3 49 Performs DNS queries to domains with low reputation 27->49 process4 dnsIp5 33 kothariqhyto.com 63.250.38.167, 443, 49712, 49713 NAMECHEAP-NETUS United States 10->33 25 C:\Users\user\...\Purchase List .exe.log, ASCII 10->25 dropped 53 Modifies the context of a thread in another process (thread injection) 10->53 55 Maps a DLL or memory area into another process 10->55 57 Sample uses process hollowing technique 10->57 59 2 other signatures 10->59 15 explorer.exe 31 1 10->15 injected file6 signatures7 process8 signatures9 61 Uses netstat to query active network connections and open ports 15->61 18 NETSTAT.EXE 15->18         started        process10 signatures11 35 Modifies the context of a thread in another process (thread injection) 18->35 37 Maps a DLL or memory area into another process 18->37 39 Tries to detect virtualization through RDTSC time measurements 18->39 41 Switches to a custom stack to bypass stack traces 18->41 21 cmd.exe 1 18->21         started        process12 process13 23 conhost.exe 21->23         started       
Score:
23%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79/
Threat name:
Win32.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2024-06-14 08:59:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n5q2rqxx5coiobiichzuq5yxt3lvh2stiqiv46yftwqfypy7fn4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:45er rat spyware stealer trojan
Link:
https://tria.ge/reports/240619-19mmrsvamh/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d449e07e-c48e-4876-aed8-a0587a079180
Unpacked files
SH256 hash:
6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79
MD5 hash:
3462a1a8071d37ce9110eaea3b9cdf50
SHA1 hash:
ccd57efa4c7330c0d351b62a362f8b7b06e35c92
Link:
https://www.unpac.me/results/4fa3d138-0856-4bd5-a23f-04dc8cb47792/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6f61a8c2f7e8/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/6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79

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:NETexecutableMicrosoft
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.

Malspam

Formbook

Executable exe 6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

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