MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecb3598fca9ef945248cc200882d69ba499239ab4c10a0e965be8ee95a634d25. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ecb3598fca9ef945248cc200882d69ba499239ab4c10a0e965be8ee95a634d25
SHA3-384 hash: 28b5c6fdbbc5df05a8edd4f4816785ddf18b5d085fe48e3d443086239baaa628ff7aa0d5a2335d33789cf6f31925c250
SHA1 hash: 58aff5efcc0f221789bda42135ccf31b572fb557
MD5 hash: 9bf3529d1f6b8b3a72aef671378260cc
humanhash: idaho-burger-helium-victor
File name:SecuriteInfo.com.W32.AIDetectNet.01.15458.29437
Download: download sample
Signature Formbook
Create hunting rule
File size:719'360 bytes
First seen:2022-08-13 09:34:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:ywt3gmitQ4YMMBk4WH4bwcszWSL3Mn6pAvkki+WxS4NA3Ut:yKHFKFYbwHWOMnBYjr
TLSH T127E4E15F9DDD43AADD2204B8D248769978B46D607523C38EAF4BBB9DC83670C462BF01
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
457
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.15458.29437
Verdict:
Malicious activity
Analysis date:
2022-08-13 09:35:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f9d261a5-a356-469f-8e70-18643f5f4ea4

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/298416/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.15458.29437.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:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f77049f6ec33747da298ec/reports/baab2e84-0c26-4eba-98ed-8df769b52edb/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fc087eea-d631-48d9-bc54-f5401960552c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1050988
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ecb3598fca9ef945248cc200882d69ba499239ab4c10a0e965be8ee95a634d25/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-13 07:27:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5szvtd6kt34ukjemyiaiqlljxjezeonljqikb2lfx2hoswtdjusq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/220813-lkbfwaaha8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
42959705d3edcc7246270373b2301b69db7081504d7ffa59eff02d5c2d5943d2
MD5 hash:
534cbdd6b24205611b8414fba89e87ab
SHA1 hash:
db99d0f8be6f9f2ccb4c869467a24a4b53477855
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ea1106f1-b7ab-411e-8e77-866088ba37ab/
Parent samples :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 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/ea1106f1-b7ab-411e-8e77-866088ba37ab/
SH256 hash:
8a897a7ba3ead191e24db7c2206e49df0a21f788ee65598ac866053a965c92d5
MD5 hash:
b1eda66bac87dad7179b1c1b129588a3
SHA1 hash:
73a378f9b6fbde283665bcba42bb8ec63291985c
Link:
https://www.unpac.me/results/ea1106f1-b7ab-411e-8e77-866088ba37ab/
SH256 hash:
914726c7accf3db35d8769ea913ed2682162f50767650fcddc0f2ebdeda3d1cb
MD5 hash:
2a8ac1ef5f1e17b4d00d61dd43357aae
SHA1 hash:
3e783edaed7f6509dbd235a8af6565759f2c68a4
Link:
https://www.unpac.me/results/ea1106f1-b7ab-411e-8e77-866088ba37ab/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/ea1106f1-b7ab-411e-8e77-866088ba37ab/
SH256 hash:
ecb3598fca9ef945248cc200882d69ba499239ab4c10a0e965be8ee95a634d25
MD5 hash:
9bf3529d1f6b8b3a72aef671378260cc
SHA1 hash:
58aff5efcc0f221789bda42135ccf31b572fb557
Link:
https://www.unpac.me/results/ea1106f1-b7ab-411e-8e77-866088ba37ab/
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/ecb3598fca9ef945248cc200882d69ba499239ab4c10a0e965be8ee95a634d25

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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/298416/

Comments