MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8542b82f30bd1f1ac0fad9da2d06c9c0ee63d4a5b2e02534b7cbf97be882c0a. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: a8542b82f30bd1f1ac0fad9da2d06c9c0ee63d4a5b2e02534b7cbf97be882c0a
SHA3-384 hash: b5cf22f5fa6e63930806351da01fa1b68c7bc7767e755c36b3ea752ded26dbde7e16e70b6e8345478617a1c942c51e1e
SHA1 hash: 578f2c976d106fa8e17fa32f3345df3c61557bfe
MD5 hash: 27f27ff682741f1577d5b7774881a6a2
humanhash: mississippi-bakerloo-robin-avocado
File name:SecuriteInfo.com.Trojan.Olock.1.25631.8947
Download: download sample
Signature Formbook
File size:871'936 bytes
First seen:2022-07-12 10:01:54 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 12288:gVEQG8hm1geOuSkKYU1uPcmLBQ4WzqVFRxQ8fTGJBIojjm9kGwYjtGNy/7p:QGLFOuPLBq4A8f6ssNa
TLSH T17B05F12AFE66CF62C2981A3AC4F74B5413745776C202EF8F2BE415691C133A76C87AC5
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)
File icon (PE):PE icon
dhash icon 18a219d4d4198a10 (20 x AgentTesla, 12 x Formbook, 10 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.Olock.1.25631.8947
Verdict:
Malicious activity
Analysis date:
2022-07-12 21:12:34 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a process
Creating a window
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-12 10:02:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
b13976488d58387b5d72b6ab3acd505641bb8661d7fd83827e71db364a6ff4b6
MD5 hash:
4e2b3ad4ec086892c344d746ad07b82f
SHA1 hash:
c21cf8677bb58062c7bf756e1097163f7b5262e1
SH256 hash:
a8542b82f30bd1f1ac0fad9da2d06c9c0ee63d4a5b2e02534b7cbf97be882c0a
MD5 hash:
27f27ff682741f1577d5b7774881a6a2
SHA1 hash:
578f2c976d106fa8e17fa32f3345df3c61557bfe
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments