MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4df6bfd0831c63681da55ff22d4c6c97194ff02ced1414668a7bb13dfbeea980. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4df6bfd0831c63681da55ff22d4c6c97194ff02ced1414668a7bb13dfbeea980
SHA3-384 hash: 70d86f69ad5dafc0f322698d73ce47ddd8e8a3ace4c0414a017af72af6c7552181d4bc4cafbb879ce292c2bd31e232a5
SHA1 hash: 91a328c71ae281cc53782c40cdfc4624767555df
MD5 hash: 8c56eb64555127541e802044febab8cc
humanhash: equal-mobile-alabama-failed
File name:8c56eb64555127541e802044febab8cc
Download: download sample
Signature Formbook
Create hunting rule
File size:723'456 bytes
First seen:2023-02-09 04:48:09 UTC
Last seen:2023-02-09 06:31:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:ZGARa3GUecJp1tDX2mRg5xIBGNQ5kt3hrks8RFmUXe1KaI0Yt8tpy/QlQX:ZTPUeFmRg59Qc3hY9bXqJI0B6QlQX
Threatray 20'379 similar samples on MalwareBazaar
TLSH T127F4022979BC4D5EE2ED43B549B2031553FAB042B1A2EF1D0F8538D12EB6FC04527A6B
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8c56eb64555127541e802044febab8cc
Verdict:
Malicious activity
Analysis date:
2023-02-09 04:50:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5cfb0b7d-0c70-41ae-b2ee-4e409a630ec3

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/362490/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.26094.21015.27883.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/63e47b3fd68ac683b34b2c22/reports/f7e4fee2-8d3c-47a5-b12c-a26647cdb0da/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4df6bfd0831c63681da55ff22d4c6c97194ff02ced1414668a7bb13dfbeea980
Result
Verdict:
UNKNOWN
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/6e093a16-c107-4473-9477-04b73e8014a3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1169633
Signature
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
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 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 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 dnsIp2 2 Behavior Graph ID: 802416 Sample: jeO8dRqkrX.exe Startdate: 09/02/2023 Architecture: WINDOWS Score: 100 31 yrandalljohanw.fun 2->31 33 www.yrandalljohanw.fun 2->33 37 Snort IDS alert for network traffic 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 4 other signatures 2->43 9 jeO8dRqkrX.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\jeO8dRqkrX.exe.log, ASCII 9->23 dropped 53 Injects a PE file into a foreign processes 9->53 13 jeO8dRqkrX.exe 9->13         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 4 1 13->16 injected process9 dnsIp10 25 www.album0186.online 46.28.106.170, 49700, 49701, 49702 WEDOSCZ Czech Republic 16->25 27 yrandalljohanw.fun 194.180.208.76, 80 PTPEU unknown 16->27 29 3 other IPs or domains 16->29 35 System process connects to network (likely due to code injection or exploit) 16->35 20 mstsc.exe 13 16->20         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 20->45 47 Tries to harvest and steal browser information (history, passwords, etc) 20->47 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4df6bfd0831c63681da55ff22d4c6c97194ff02ced1414668a7bb13dfbeea980/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-09 04:49:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jx3l7ueddrrwqhnfl7zc2tdms4mu74bm5ukbizukpoyt367ovgaa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2e5a68487fb25640fbf7d4c2529e17bb20b2c948b82e464e9543a25f34027176
Formbook
6aae46140819f63ba6d8021f344c1e45fe751050aa6fa5d47e87711f4beb0e90
Formbook
6e684555c5cc0b3e36348e9bf1c5c23cf8ae19790741344295ca741233c9b846
Formbook
76cded40cd51eeb98f734dafed6ac0b0562d847a48b5d42a9b55d11dd73f1d21
Formbook
978f29d261480944348e6909b97ee3444246180bc12deb927835b464bc637f1d
Formbook
a97aa6604d2ad5146a8ef252e571d4b0c1e2ee8566964be8086532ef049b10d4
Formbook
c56a221640c5c2bdc86b73762659626cee2ecbbbdf2a48489966aedc7c3f4e38
Formbook
e1556a1dda46c2e872e9a18f21d8cbbf8f71d0dd65094e9ec6cac22a9a1aa915
Formbook
+ 20'369 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230209-ffnyhscf5s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
04c51d01e14e81780bb09d209a3df3f41aff538977dc517461f720af1d9f9254
MD5 hash:
ce26a46b76aa08ab5f28d3dd91ae0a11
SHA1 hash:
721dabe74f55ffcee40e4974d152dc85b9c6c98e
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/9047ed24-5d4f-41a0-8d78-8d32313d3a5e/
Parent samples :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 hash:
1681aeaf5497a7c6dfcac31e0f76d8d4532f8bb37a15d9213ea1cb9310e61260
MD5 hash:
f157f8d5bab8c393b3516c1d5fc4790a
SHA1 hash:
74c4578e3b9378d7874f8d81f4712b06a7d18b8b
Link:
https://www.unpac.me/results/9047ed24-5d4f-41a0-8d78-8d32313d3a5e/
SH256 hash:
8a4a0bafcc82f90e1b69f7ac1b899315a0a8d199855aad02080f8f966d286531
MD5 hash:
1d68c9c58ed8e7247d990522f1e24d1d
SHA1 hash:
9e78cb2dd8f3ab6bab0c1fdf039c6f11c69a585d
Link:
https://www.unpac.me/results/9047ed24-5d4f-41a0-8d78-8d32313d3a5e/
SH256 hash:
6e7af8554e3cce78060531b516718aa43501a074cdc0fa91df6d0d58d0db84ff
MD5 hash:
6521d7599e01444e28b31f72f203a40e
SHA1 hash:
9a2266abc79c026e71c84b9bee2ae01d27275def
Link:
https://www.unpac.me/results/9047ed24-5d4f-41a0-8d78-8d32313d3a5e/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/9047ed24-5d4f-41a0-8d78-8d32313d3a5e/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
Link:
https://www.unpac.me/results/9047ed24-5d4f-41a0-8d78-8d32313d3a5e/
SH256 hash:
4df6bfd0831c63681da55ff22d4c6c97194ff02ced1414668a7bb13dfbeea980
MD5 hash:
8c56eb64555127541e802044febab8cc
SHA1 hash:
91a328c71ae281cc53782c40cdfc4624767555df
Link:
https://www.unpac.me/results/9047ed24-5d4f-41a0-8d78-8d32313d3a5e/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4df6bfd0831c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/4df6bfd0831c63681da55ff22d4c6c97194ff02ced1414668a7bb13dfbeea980

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: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.

Web download

Formbook

Executable exe 4df6bfd0831c63681da55ff22d4c6c97194ff02ced1414668a7bb13dfbeea980

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/362490/

Comments


Avatar
zbet commented on 2023-02-09 04:48:13 UTC

url : hxxp://208.67.105.179/mazx.exe