MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 136935297fa08738f6957068951067c699c91b2902f3ea14da650289cabfd29d. 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: 136935297fa08738f6957068951067c699c91b2902f3ea14da650289cabfd29d
SHA3-384 hash: 8f50d4fca777341f4e2861ea60e5d845bd2d23ef14fff37a437b03f2967ea92fe65cce2974aea5107df5954aba9adc45
SHA1 hash: 0e94dd389e1cd2e6bea517f132d894b5b79a5057
MD5 hash: 20648ed62794d43522c1a7491b996b9e
humanhash: apart-hotel-july-autumn
File name:20648ed62794d43522c1a7491b996b9e.exe
Download: download sample
Signature Formbook
File size:832'512 bytes
First seen:2022-02-21 08:10:42 UTC
Last seen:2022-02-21 10:19:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:dPny8lSF7cRh3QZ6bAYKQel7T9DnzltE:dKF8xbAYKRFT7u
TLSH T1B805F02433BC0947D57A96FA50342000C7F7B529652ED3E95CD228DF2AF2F528A52FA7
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Self deletion via cmd delete
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 575544 Sample: hG5iqQP1y5.exe Startdate: 21/02/2022 Architecture: WINDOWS Score: 100 32 www.orkadoodle.com 2->32 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 6 other signatures 2->42 11 hG5iqQP1y5.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\hG5iqQP1y5.exe.log, ASCII 11->30 dropped 52 Tries to detect virtualization through RDTSC time measurements 11->52 15 hG5iqQP1y5.exe 11->15         started        signatures6 process7 signatures8 54 Modifies the context of a thread in another process (thread injection) 15->54 56 Maps a DLL or memory area into another process 15->56 58 Sample uses process hollowing technique 15->58 60 Queues an APC in another process (thread injection) 15->60 18 explorer.exe 15->18 injected process9 process10 20 raserver.exe 18->20         started        signatures11 44 Self deletion via cmd delete 20->44 46 Modifies the context of a thread in another process (thread injection) 20->46 48 Maps a DLL or memory area into another process 20->48 50 Tries to detect virtualization through RDTSC time measurements 20->50 23 explorer.exe 1 165 20->23         started        26 cmd.exe 1 20->26         started        process12 dnsIp13 34 192.168.2.1 unknown unknown 23->34 28 conhost.exe 26->28         started        process14
Threat name:
ByteCode-MSIL.Ransomware.Generic
Status:
Suspicious
First seen:
2022-02-21 05:40:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Drops file in Windows directory
Unpacked files
SH256 hash:
a3cd0f1758abaf9fe163ca163f3da1720c7edaafdec7e62b9ee9300ffac93235
MD5 hash:
392fd1ecc67d1337c48485b267bded42
SHA1 hash:
77c589e62130d6d6e1d4db3e81520388bab62186
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
d9a5ac2afc42e984ba8afb72d7a9b1f3e70ad8ed37d4c2cf9e2c74a90f71473c
MD5 hash:
6f1538e6d35dc37c47992baeac4db109
SHA1 hash:
e36d4787e88d754283c2a004eb6bc9e3699fcf00
SH256 hash:
769a652f6ffc6589d90d1c1d97df61f9f0e3db1c19a202ea55835e0f2d921356
MD5 hash:
33602b1985101af625ed687187473726
SHA1 hash:
556f97554f8b1dd345f81af361b0b50b3aab5e24
SH256 hash:
829397a3ae64aa4aa537d7874b68ca896273b399230ba99bc0bd5969df1aa363
MD5 hash:
bdf58b7f6a286bab6f16a2a585759c0d
SHA1 hash:
05ec294b29a0db63398c63d120046ea227fa6df3
SH256 hash:
136935297fa08738f6957068951067c699c91b2902f3ea14da650289cabfd29d
MD5 hash:
20648ed62794d43522c1a7491b996b9e
SHA1 hash:
0e94dd389e1cd2e6bea517f132d894b5b79a5057
Malware family:
XLoader
Verdict:
Malicious
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.

Web download

Formbook

Executable exe 136935297fa08738f6957068951067c699c91b2902f3ea14da650289cabfd29d

(this sample)

  
Delivery method
Distributed via web download

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