MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70239322a00a334498eac4672e0fd100a6b33294eebffbbc673b7667f9583e78. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 70239322a00a334498eac4672e0fd100a6b33294eebffbbc673b7667f9583e78
SHA3-384 hash: 7fea6aa4a93637a5fa6ff94251f8943ebb9dc92d553d4a61f8af0aecf230b9d9c7a6ca6f458861cfe61f990ff42741cc
SHA1 hash: 5783658698da2ef574eb0eb3645b235d0df29298
MD5 hash: b85ae7b195f885f716c75d4f237cd0e0
humanhash: enemy-carolina-orange-oxygen
File name:SecuriteInfo.com.W32.AIDetectNet.01.4867.24744
Download: download sample
Signature Formbook
Create hunting rule
File size:482'304 bytes
First seen:2022-06-21 02:37:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:LN6/tx7iBjLkKV/nXlXYdKf20AlcSO7yg8mB3i8HgM3gEdkoVy6bY482G:otx7iBjLrnXNYdBrKPQOTJgEXI6XXG
TLSH T1F6A45D6DBB018AB7FD0DE03185010B08FB660F837248B9A667DB27E9C7DED659C45C86
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon aa38ce868282b882 (110 x Adware.Generic, 6 x CoinMiner, 5 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/281763/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.4867.24744.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending a custom TCP request
Launching a process
Creating a file
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62b12eed08903778452bb551/reports/3bf85d48-11c0-4269-9cfa-aa238f72b4a8/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f79501ef-0398-4893-96e2-f383592f5979
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1016777
Signature
Allocates memory in foreign processes
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/70239322a00a334498eac4672e0fd100a6b33294eebffbbc673b7667f9583e78/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-21 02:38:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
66
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oarzgivabizujghkyrts4d6ractlgmuu5277xpdhhn3gp6kyhz4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:pr28 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220621-c4p9pshdek/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
2c5afaae99613699557111c07089b7707e28c2b2bac4a1525a3e9bb5d2276b19
MD5 hash:
d377251ab46ce2c88d0c52a1bffbdd41
SHA1 hash:
53cf63470159f3047511269736532dbd7dfc8f31
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f92fc855-b486-4d3d-8672-ed786713f812/
Parent samples :
298d3c150bbee5312da015cd6448e7dc47eddcda5a6ddd215072102b6ba9e9e3
9de3aef5ea5f782a7da7345d6b7bc23bc0f2b33d9d7b4a6c35e65a5368b2223a
b38804166eadbfa83edfbbb26115a35bc284af64a8e3429c3011a13965fdcbf2
32b7d0b30638db08927b43bb633cb29da62ab634c34de42ff582841191c31839
7f64aa4801b0cbae5fdda52ae4fe848ef03650a4dec91b4f4d5131a0def6b464
859aada0cf09832daace8902102e39989f7eac7e3152006ea017a9f27e22b162
70239322a00a334498eac4672e0fd100a6b33294eebffbbc673b7667f9583e78
SH256 hash:
70239322a00a334498eac4672e0fd100a6b33294eebffbbc673b7667f9583e78
MD5 hash:
b85ae7b195f885f716c75d4f237cd0e0
SHA1 hash:
5783658698da2ef574eb0eb3645b235d0df29298
Link:
https://www.unpac.me/results/f92fc855-b486-4d3d-8672-ed786713f812/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/70239322a00a334498eac4672e0fd100a6b33294eebffbbc673b7667f9583e78

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:INDICATOR_EXE_Packed_Babel
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Babel
Rule name:INDICATOR_EXE_Packed_Dotfuscator
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_Goliath
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Goliath
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Cape
Cape
https://www.capesandbox.com/analysis/281763/

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