MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf870e2c61cc0f69effe6004bd826771fc1c0dc3c60ca6d1b0a454afc72736d6. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf870e2c61cc0f69effe6004bd826771fc1c0dc3c60ca6d1b0a454afc72736d6
SHA3-384 hash: 7198c91d290e5a90a56c32073778807a28b027637580f09d2f018813efa30021467e04f3a57d8ee241af97d9e480d008
SHA1 hash: 477591037372609fe57141842a9981a03bda8c32
MD5 hash: 8f805150d7cd14d44b46047124391661
humanhash: speaker-helium-moon-violet
File name:8f805150d7cd14d44b46047124391661.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:233'406 bytes
First seen:2022-11-16 18:07:34 UTC
Last seen:2022-11-16 19:52:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:MEa0N5FEQbRTZc7jaOk9k06hnAtFm56ES7Q:X5FdhZqmTFa6EUQ
TLSH T1CB34121622D5B837DAC61B3059F3F73AC73ADE149290A18B87D02D9F77B12C2AD62147
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 :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Quote CRS03202 221115 CRS NIDEC-Kinetek.xls
Verdict:
Malicious activity
Analysis date:
2022-11-16 12:18:54 UTC
Tags:
macros opendir exploit cve-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/1f9709fc-dd76-4392-9931-151ba6319a8c

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/334995/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.1968.2899.25949.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6375270707c3f5e84a017c9a/reports/1d3065d9-5028-46ac-956e-c2eb2c44f47f/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/1ba437b6-9506-4e7e-8a7d-2db59078bc06
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1115199
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Multi AV Scanner detection for dropped file
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
Snort IDS alert for network traffic
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: 747894 Sample: H4oimu4PlB.exe Startdate: 16/11/2022 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 4 other signatures 2->39 9 H4oimu4PlB.exe 18 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\pkjuy.exe, PE32 9->25 dropped 12 pkjuy.exe 9->12         started        process5 signatures6 53 Multi AV Scanner detection for dropped file 12->53 55 Maps a DLL or memory area into another process 12->55 15 pkjuy.exe 12->15         started        process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 27 vornek.com 77.245.159.4, 49735, 49736, 80 NIOBEBILISIMHIZMETLERITR Turkey 18->27 29 www.jomful.xyz 162.213.253.236, 49726, 49727, 80 NAMECHEAP-NETUS United States 18->29 31 20 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 43 Performs DNS queries to domains with low reputation 18->43 22 rundll32.exe 13 18->22         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 22->45 47 Tries to harvest and steal browser information (history, passwords, etc) 22->47 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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf870e2c61cc0f69effe6004bd826771fc1c0dc3c60ca6d1b0a454afc72736d6/
Threat name:
Win32.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2022-11-16 14:36:48 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
26 of 39 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6dq4ldbzqhwt376macl3athoh6bydodyygknunqurkk7rzhg3la._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:aoj8 rat spyware stealer trojan
Link:
https://tria.ge/reports/221116-wqwn4sgc5z/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/eb32aa9a-28ff-4411-b839-a70ec9e17ac5
Unpacked files
SH256 hash:
fe5e7f09a02e4260f72e6cf1cdb8549a83e48b6d527a74e0f8a5287b6bb310c3
MD5 hash:
1703d54a425eed50d958843bdd86866c
SHA1 hash:
f4883762cc36cf6d272c58bb878a660f36a24d69
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/b32d98aa-9fd9-464b-978b-1790e6f6bc99/
SH256 hash:
56f476f1bb85fdc80db0c467ff3af3f346fc6643fa9d4aabaf79c4426863c4fd
MD5 hash:
4a2432ef65784c8bc8339e7aea4a3e56
SHA1 hash:
99025cb92043247fae6fb7a5f1d750a80cf983fc
Link:
https://www.unpac.me/results/b32d98aa-9fd9-464b-978b-1790e6f6bc99/
SH256 hash:
08cf68f133564c48608246217060de0f9b2c2f620e3a0fd335a074193b8c1560
MD5 hash:
c837467ae780d879ede40b611f7ec25c
SHA1 hash:
d88e3a01c5d5712b8d015cbf6458eb243bbd7fce
Link:
https://www.unpac.me/results/b32d98aa-9fd9-464b-978b-1790e6f6bc99/
SH256 hash:
bf870e2c61cc0f69effe6004bd826771fc1c0dc3c60ca6d1b0a454afc72736d6
MD5 hash:
8f805150d7cd14d44b46047124391661
SHA1 hash:
477591037372609fe57141842a9981a03bda8c32
Link:
https://www.unpac.me/results/b32d98aa-9fd9-464b-978b-1790e6f6bc99/
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/bf870e2c61cc0f69effe6004bd826771fc1c0dc3c60ca6d1b0a454afc72736d6

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
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe bf870e2c61cc0f69effe6004bd826771fc1c0dc3c60ca6d1b0a454afc72736d6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2389557/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/334995/

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