MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa992dc346d4da6630521bedd5c35c4f0c3ee2b7d118374b29a344e6fca96586. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: aa992dc346d4da6630521bedd5c35c4f0c3ee2b7d118374b29a344e6fca96586
SHA3-384 hash: bd97df43b00717656cee99cdaac8daf0c982a37f8e6c93a805be0e7a7cf0d11da9a6d7f1a73290384b9d5f61daf8a73b
SHA1 hash: 066a6d19d3934a5abb9ffb9df7346767dc8d0e37
MD5 hash: d2760de691a658765e83a931b5ebfe51
humanhash: whiskey-monkey-spring-north
File name:SecuriteInfo.com.Trojan.Siggen17.59814.25249.3820
Download: download sample
Signature Formbook
File size:606'720 bytes
First seen:2022-05-30 09:40:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:yEn27Pq6d5rWqXz4dNFwO/iIhiHweFG8SCaW:yjjq6nrVXsLFnzy
TLSH T1E1D4AE88732E7CBEE41BD073A5548C14AB60246FA79BC027955B258EB85CB47CFF0972
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 :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.Siggen17.59814.25249.3820
Verdict:
Malicious activity
Analysis date:
2022-05-30 09:48:34 UTC
Tags:
n/a

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

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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:
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-05-30 01:21:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ssmm loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
6225698b099f8ddf704af1c8dbd3c8f843a4246de4ea4bb7e3652e8168c5b12e
MD5 hash:
cd9c3b5dbea3a889ee44a5e2e5935caa
SHA1 hash:
0fb05700c6f1dbcd1ebb37732d95ea8846d34b5c
SH256 hash:
aa992dc346d4da6630521bedd5c35c4f0c3ee2b7d118374b29a344e6fca96586
MD5 hash:
d2760de691a658765e83a931b5ebfe51
SHA1 hash:
066a6d19d3934a5abb9ffb9df7346767dc8d0e37
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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