MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55539014be63262397d727fb06f42992bf43a3429eea2cfbd671db0e0746e9e6. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 55539014be63262397d727fb06f42992bf43a3429eea2cfbd671db0e0746e9e6
SHA3-384 hash: fcc809cb842a6c4dfd51238c4d74e22d6741d75fcd7390265e308c1e84d6fc7a2a3a4a179901339aa9a4a23a1dffd360
SHA1 hash: d482ac0084a342d69d06de912482baee4f415b53
MD5 hash: 8d416e83a2e1724ef6bb4328cc5b3fa1
humanhash: harry-stream-sad-eighteen
File name:55539014be63262397d727fb06f42992bf43a3429eea2cfbd671db0e0746e9e6
Download: download sample
Signature Formbook
File size:780'288 bytes
First seen:2023-04-03 13:17:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:7EsmYMUnFW/NObeGpocGzQlYwk8xw5ArM4WM3RDoColVZIW+2u6ixuCZqytaqkMn:7EsUAyelrxwaQ4WEpoXZi2ufxuCZqyt1
Threatray 2'463 similar samples on MalwareBazaar
TLSH T1C8F401392AAB9639F4315BBD95A02185577E2FB36727C88D44B631CD1B73B024EC063B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon ecf0c68ac2c298f2 (60 x SnakeKeylogger, 14 x Formbook, 6 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
245
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
55539014be63262397d727fb06f42992bf43a3429eea2cfbd671db0e0746e9e6
Verdict:
Suspicious activity
Analysis date:
2023-04-03 13:17:48 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
Searching for the window
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed remcos
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 839981 Sample: uV4lb6yeWk.exe Startdate: 03/04/2023 Architecture: WINDOWS Score: 100 29 www.iaaconsultants.com 2->29 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus detection for URL or domain 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 4 other signatures 2->39 9 uV4lb6yeWk.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\uV4lb6yeWk.exe.log, ASCII 9->23 dropped 49 Injects a PE file into a foreign processes 9->49 13 uV4lb6yeWk.exe 9->13         started        signatures6 process7 signatures8 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 1 13->16 injected process9 dnsIp10 25 www.lgcypowernc.com 74.220.199.6, 49695, 80 UNIFIEDLAYER-AS-1US United States 16->25 27 www.berylsecret.shop 188.114.96.7, 49696, 49697, 80 CLOUDFLARENETUS European Union 16->27 31 System process connects to network (likely due to code injection or exploit) 16->31 20 help.exe 13 16->20         started        signatures11 process12 signatures13 41 Tries to steal Mail credentials (via file / registry access) 20->41 43 Tries to harvest and steal browser information (history, passwords, etc) 20->43 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-03-20 10:42:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:g44n rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Unpacked files
SH256 hash:
e7242ae1cd799ea3200b7705221fdddd8abf588e87215a28057e02135bf547ad
MD5 hash:
6b1c0c833df93681eafdcf57072e8075
SHA1 hash:
5081196e5fd1e90c7564ce07096baf4668bbc3fc
Detections:
XLoader win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
59bcd4203167ab824809004c0f4030f58acbd7c4f382b6e2d5f0c5695a71e170
MD5 hash:
3820d6b49c5470a173913d3933e38cff
SHA1 hash:
563a66c1ccd79d751de8b717f050300bdbf776db
SH256 hash:
713f90462c9df69866fa3764caa03ec076d5c54ad6eec7d1b93f6f856ae6c130
MD5 hash:
73501107715ce8d2de9fed747bf243a4
SHA1 hash:
b793152e680ec9288e59f1754a5648e99881eb4c
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
SH256 hash:
000c0889c2d93807781cb5e2c212d07bd38c6fed9b738530f2515640306b5f44
MD5 hash:
8d369299a047f228593293887092e43d
SHA1 hash:
7e38cd87127c3ea59ddba80f7ddf35fb105a7f6c
SH256 hash:
3803a066c3df410205f85f1c3e2d7ced8621c536d2ec81ed5dde11a812b248cb
MD5 hash:
8ef376a828083738429ae88a3267d14c
SHA1 hash:
3ba9da80e9db8d8fcf90c6302aa9c69b06ac6eec
SH256 hash:
55539014be63262397d727fb06f42992bf43a3429eea2cfbd671db0e0746e9e6
MD5 hash:
8d416e83a2e1724ef6bb4328cc5b3fa1
SHA1 hash:
d482ac0084a342d69d06de912482baee4f415b53
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
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information


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

Comments