MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4429cdfd2c41797b77ec6b466a96ecbbf6aa4662e615be16add1597e938398dc. 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
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SHA256 hash: 4429cdfd2c41797b77ec6b466a96ecbbf6aa4662e615be16add1597e938398dc
SHA3-384 hash: 2989e53402fb8a9234d0e1a7e64bffe4447dcb4ec7db6c31418ddc0f6d52bc2615843bfb2cde6f11e1ce27faf5975880
SHA1 hash: 84e586da1d4d9eeddfc99870461347a638660a7a
MD5 hash: 888c5ce6bd32a74c47b6ba824c0b8112
humanhash: delta-butter-cat-avocado
File name:4429cdfd2c41797b77ec6b466a96ecbbf6aa4662e615be16add1597e938398dc
Download: download sample
Signature Formbook
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File size:791'552 bytes
First seen:2022-10-07 12:39:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:Qb3fLEFjtH11KrOxbpTOOmJX5c2SFQ/Fsqn+zr1+/+Mon:M4FjD1KrOxbNN4XPSe/2Al
TLSH T1E2F4CF141379C90BC869A974D8D2F3741EAC5DD5936EC24B48DC3CBBF63A39868913E2
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4429cdfd2c41797b77ec6b466a96ecbbf6aa4662e615be16add1597e938398dc
Verdict:
Malicious activity
Analysis date:
2022-10-07 12:40:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1a2e3067-4a27-4939-8856-83defd5ffd97

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/317632/
Detection(s):
Win.Dropper.Nanocore-9970955-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
formbook
Link:
https://www.filescan.io/uploads/63401e250d3d21420ccac01d/reports/383b2e57-1aa4-4a32-9bb1-6af46edf9f22/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/7e02f62f-983d-4eda-a571-1833a92276b6
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1085740
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
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/4429cdfd2c41797b77ec6b466a96ecbbf6aa4662e615be16add1597e938398dc/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-09-19 02:29:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iqu437jmif4xw57mnndgvfxmxp3kurtc4yk34fvn2fmx5e4dtdoa._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:etfh rat spyware stealer trojan
Link:
https://tria.ge/reports/221007-pv75dacffq/
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/653dc6aa-77f8-45e8-92c9-98990012b4d2
Unpacked files
SH256 hash:
42959705d3edcc7246270373b2301b69db7081504d7ffa59eff02d5c2d5943d2
MD5 hash:
534cbdd6b24205611b8414fba89e87ab
SHA1 hash:
db99d0f8be6f9f2ccb4c869467a24a4b53477855
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/287018f5-564a-47e9-b2cc-4205c2bdb856/
Parent samples :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 hash:
9120264a26a4dcb47b6ee53ab5a80c73e196e28f22a43faffab3ea4732f53230
MD5 hash:
8d7a2fa236225923f1e8e6a6a5aaae3d
SHA1 hash:
7beb760e07ac4b42006943d418c1ae9b72075ac1
Link:
https://www.unpac.me/results/287018f5-564a-47e9-b2cc-4205c2bdb856/
SH256 hash:
b3dca55a0618434fe8e14bf7babd9a7d257b5e5b80e7a22d2cb39339dec9b68d
MD5 hash:
e184d6444489f81131707e25a8883363
SHA1 hash:
71f23acf221dc0a8a4235f40e463894cdda91fe7
Link:
https://www.unpac.me/results/287018f5-564a-47e9-b2cc-4205c2bdb856/
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
Link:
https://www.unpac.me/results/287018f5-564a-47e9-b2cc-4205c2bdb856/
SH256 hash:
edadc813f4440ada276da601d8f31780e5e138b8ee392e3f49a509322a1fb51e
MD5 hash:
574597554c69083c1af2b742a97a92b6
SHA1 hash:
043eea660b8650c5a0042f842fd8db3516d37a2c
Link:
https://www.unpac.me/results/287018f5-564a-47e9-b2cc-4205c2bdb856/
SH256 hash:
4429cdfd2c41797b77ec6b466a96ecbbf6aa4662e615be16add1597e938398dc
MD5 hash:
888c5ce6bd32a74c47b6ba824c0b8112
SHA1 hash:
84e586da1d4d9eeddfc99870461347a638660a7a
Link:
https://www.unpac.me/results/287018f5-564a-47e9-b2cc-4205c2bdb856/
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/4429cdfd2c41797b77ec6b466a96ecbbf6aa4662e615be16add1597e938398dc

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.

Cape
Cape
https://www.capesandbox.com/analysis/317632/

Comments