MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d009b6f9b010d78fac5b6f2672211082ee6244fb73ce25e0a89aacb9f17e398. 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: 5d009b6f9b010d78fac5b6f2672211082ee6244fb73ce25e0a89aacb9f17e398
SHA3-384 hash: 2a7db8c2325fffff8c1e40d4f8f14076f3c169ac04c75d4c5da4b1e3c4963ceab2f0d3c6dac6b2471fbe38818b2f8d62
SHA1 hash: 01f29e0a8c5e3d4593c58fbcb0cdab0ed0394241
MD5 hash: dcabfef18fbf03d3b0d1a5948d25516a
humanhash: fish-coffee-mountain-bakerloo
File name:dcabfef18fbf03d3b0d1a5948d25516a
Download: download sample
Signature Formbook
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File size:1'025'024 bytes
First seen:2022-08-10 11:11:40 UTC
Last seen:2022-08-10 13:34:32 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 24576:YC6z2uRYW2rWgkGyYtCQ8TwUnu8R7e9IbUDHDlByKZ2Cf8t:f/6gz/tHF8u477UDyKYv
TLSH T11125AF4B7B00718EC4638AB6DD0EFCB067E224AD7227C2227593196EE97D743DA054B7
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon ce9c9496e4949c9c (73 x AgentTesla, 51 x SnakeKeylogger, 30 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dcabfef18fbf03d3b0d1a5948d25516a
Verdict:
Malicious activity
Analysis date:
2022-08-10 11:18:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a65ea593-f0e7-40b1-a360-c942886b977f

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/297592/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1483.24241.12199.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
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/62f392fdfae2a3f517bc34f0/reports/2d5d598d-8ca9-4129-b024-8ef6ea408671/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/0c0b727e-0b55-493e-b111-fd9afa48f503
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1049128
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 681621 Sample: C1K7C2JPk2 Startdate: 10/08/2022 Architecture: WINDOWS Score: 100 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 5 other signatures 2->36 10 C1K7C2JPk2.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\C1K7C2JPk2.exe.log, ASCII 10->28 dropped 44 Detected unpacking (changes PE section rights) 10->44 46 Detected unpacking (overwrites its own PE header) 10->46 48 Tries to detect virtualization through RDTSC time measurements 10->48 14 C1K7C2JPk2.exe 10->14         started        17 C1K7C2JPk2.exe 10->17         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 19 explorer.exe 14->19 injected process8 process9 21 WWAHost.exe 19->21         started        signatures10 38 Modifies the context of a thread in another process (thread injection) 21->38 40 Maps a DLL or memory area into another process 21->40 42 Tries to detect virtualization through RDTSC time measurements 21->42 24 cmd.exe 1 21->24         started        process11 process12 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/5d009b6f9b010d78fac5b6f2672211082ee6244fb73ce25e0a89aacb9f17e398/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-08-09 17:02:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=luajw343aegxr6wfw3zgoiqrbaxomjcpw46oexqkrgvmxhyx4oma._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:oa04 rat spyware stealer trojan
Link:
https://tria.ge/reports/220810-natwksbce9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
ffef54d422c19cf06a53dcf80d982f8a3dfe4f6f3d41e53b913c6defa97f58ee
MD5 hash:
39d1265687771b25d4082533fd7bc8f1
SHA1 hash:
1c7b46b911e01a4498ad533f4dc05f529b432e9a
Link:
https://www.unpac.me/results/2a57256b-7905-4ca3-a810-4aea9e97ac61/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/2a57256b-7905-4ca3-a810-4aea9e97ac61/
SH256 hash:
6f7d575e37ce699f66afcba0dbf44a9a0dd02f59b0002b9e31a6581ce6dd2cbb
MD5 hash:
92ba80692bca6e23842eec60f86d6a53
SHA1 hash:
3b2aad569a3943c5cd5bb415892262195d5f5d72
Link:
https://www.unpac.me/results/2a57256b-7905-4ca3-a810-4aea9e97ac61/
SH256 hash:
bb1f9104d63036d955f8ba8543c4dfb6edce6964d19b4317c32efa64bbd5b3ed
MD5 hash:
c9ed6f1e0e1f43d1a0a9208a05fc7f40
SHA1 hash:
6d690e9c4e0bbb12f4d682562213112c4011371e
Link:
https://www.unpac.me/results/2a57256b-7905-4ca3-a810-4aea9e97ac61/
SH256 hash:
da040ad08ee37bbd130d484a3e0a2dde5ff537f7388d2e59b0208485633fab92
MD5 hash:
3a8445db09ff3d7acfa73701837ab84e
SHA1 hash:
21655af38e220fd3193d67638919e0baf50c8b10
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/2a57256b-7905-4ca3-a810-4aea9e97ac61/
SH256 hash:
5d009b6f9b010d78fac5b6f2672211082ee6244fb73ce25e0a89aacb9f17e398
MD5 hash:
dcabfef18fbf03d3b0d1a5948d25516a
SHA1 hash:
01f29e0a8c5e3d4593c58fbcb0cdab0ed0394241
Link:
https://www.unpac.me/results/2a57256b-7905-4ca3-a810-4aea9e97ac61/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5d009b6f9b01/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/5d009b6f9b010d78fac5b6f2672211082ee6244fb73ce25e0a89aacb9f17e398

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 5d009b6f9b010d78fac5b6f2672211082ee6244fb73ce25e0a89aacb9f17e398

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2271081/
Cape
Cape
https://www.capesandbox.com/analysis/297592/

Comments


Avatar
zbet commented on 2022-08-10 11:11:44 UTC

url : hxxp://208.67.105.179/obizx.exe