MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f6677dc3954982a155ebc120a4600225403047689acecaaab00cbed11b7f6d7. 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 2 File information Comments 1
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SHA256 hash: 4f6677dc3954982a155ebc120a4600225403047689acecaaab00cbed11b7f6d7
SHA3-384 hash: 3cc707aed910d69bb9e6e02ba1b75cfce3e8ae74ba7a2b265dab315d817f7bcb0b440182439d4e4fca861a9d665f7ef1
SHA1 hash: c99417cb8615416a978cc0b4c9cb90d80928457a
MD5 hash: a17248c6c5c5ffbc978d43dfa4b6a167
humanhash: high-minnesota-fish-artist
File name:a17248c6c5c5ffbc978d43dfa4b6a167
Download: download sample
Signature Formbook
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File size:565'248 bytes
First seen:2022-12-02 00:53:39 UTC
Last seen:2022-12-02 02:27:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Urcq/eKxqvEm8+uqePNAx4EUUu1ovVj9jq:E/eKovE6VePCx4qvh9j
TLSH T17AC4128C22C84759DCEE87B8F81265D81E76AC9C5D52C6DF5CC3706B6D3B7ACA601A03
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 4cdcb2aaaaaa8ad4 (6 x AgentTesla, 5 x Formbook, 2 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a17248c6c5c5ffbc978d43dfa4b6a167
Verdict:
Malicious activity
Analysis date:
2022-12-02 00:54:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9704d61d-0c34-4655-940e-a89e9d73ace1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/341681/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.389.24249.22171.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63894cafec3dbefe49124e71/reports/9979bf5f-6976-4a22-9b17-52a839f885ef/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/101df596-ae49-4658-a344-067f37f24186
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1126148
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 758895 Sample: piyMkUBOS9.exe Startdate: 02/12/2022 Architecture: WINDOWS Score: 100 27 www.burmart.online 2->27 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 6 other signatures 2->41 9 piyMkUBOS9.exe 3 2->9         started        signatures3 process4 file5 25 C:\Users\user\AppData\...\piyMkUBOS9.exe.log, ASCII 9->25 dropped 53 Injects a PE file into a foreign processes 9->53 13 piyMkUBOS9.exe 9->13         started        16 piyMkUBOS9.exe 9->16         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 18 explorer.exe 13->18 injected process9 dnsIp10 29 bx.djb189djdfaetrdc.com 154.210.211.80, 49720, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->29 31 mushterinn.com 65.21.31.11, 49723, 49725, 80 CP-ASDE United States 18->31 33 5 other IPs or domains 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 explorer.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 Deletes itself after installation 22->49 51 2 other signatures 22->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f6677dc3954982a155ebc120a4600225403047689acecaaab00cbed11b7f6d7/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
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Status:
Malicious
First seen:
2022-12-01 19:08:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5thpxbzksmcufk6xqjaurqaejkagbdwrgwozkvladf62enx63lq._file
Verdict:
malicious
Label(s):
formbook
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cobaltstrike
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:b5jr rat spyware stealer trojan
Link:
https://tria.ge/reports/221202-a89g2age88/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f112e9a7-daf5-4694-b9fb-ef6a94795cae
Unpacked files
SH256 hash:
d55b0e5fb4085645056e0daa1b29a389ab6aeb055846cf873a56e563dd665930
MD5 hash:
6196b4677095847a7cffea808024f3c3
SHA1 hash:
20a9c5c33ada94934d7d94c4fb81516a8e2a2e40
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/f9a3a94e-403a-48b5-871f-7ca273f08f9b/
Parent samples :
4f6677dc3954982a155ebc120a4600225403047689acecaaab00cbed11b7f6d7
2c412d963b9d1020bea10e91d8aa14a58b950e3b85c1dbc13be4301c468bd644
SH256 hash:
46e1aa90d669041bdf15b9483406fe1061f8595efc148539380a37751b956778
MD5 hash:
795b55a5e8c335ca533de2cde0a39ea7
SHA1 hash:
4738cac49c4123a88e2be1d1cf7b42d9675206bf
Link:
https://www.unpac.me/results/f9a3a94e-403a-48b5-871f-7ca273f08f9b/
SH256 hash:
e95ed1208ea5da9eec186cef1fa52600b37cecb27193618adecfffdfe14d72ae
MD5 hash:
fa4f3a572c448f4ff9f2d49e6f62f215
SHA1 hash:
f62fe78f1c0cde7092691016902f23b3bf6617a7
Link:
https://www.unpac.me/results/f9a3a94e-403a-48b5-871f-7ca273f08f9b/
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/f9a3a94e-403a-48b5-871f-7ca273f08f9b/
SH256 hash:
4f5facc294609a5d9c88176ae0d392c21c103391602333edc986535de6501666
MD5 hash:
ec7c6e7f591b170078a6a0b861c0e8e4
SHA1 hash:
7aafff86fb09852b49073b88ea232ae0a2aaa75d
Link:
https://www.unpac.me/results/f9a3a94e-403a-48b5-871f-7ca273f08f9b/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/f9a3a94e-403a-48b5-871f-7ca273f08f9b/
SH256 hash:
4f6677dc3954982a155ebc120a4600225403047689acecaaab00cbed11b7f6d7
MD5 hash:
a17248c6c5c5ffbc978d43dfa4b6a167
SHA1 hash:
c99417cb8615416a978cc0b4c9cb90d80928457a
Link:
https://www.unpac.me/results/f9a3a94e-403a-48b5-871f-7ca273f08f9b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/4f6677dc3954982a155ebc120a4600225403047689acecaaab00cbed11b7f6d7

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
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Rule name:Skystars_Malware_Imphash
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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 4f6677dc3954982a155ebc120a4600225403047689acecaaab00cbed11b7f6d7

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/341681/
  
URLhaus
https://urlhaus.abuse.ch/url/2441286/

Comments


Avatar
zbet commented on 2022-12-02 00:53:40 UTC

url : hxxp://zqpispa.it/new1/fb.exe