MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa119aa1257cbf09e6b7502840e0279f7a215ab8f3d75cdce262ef823c7dbf7f. 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: aa119aa1257cbf09e6b7502840e0279f7a215ab8f3d75cdce262ef823c7dbf7f
SHA3-384 hash: ec9cb983a5bdcc5420c7802401edacafd178fadec65a1b279496e1adc08deff2509404e8cf44634313129be78a189705
SHA1 hash: 81e725269608155f66e42602e35ae8708889c032
MD5 hash: 5c11aeac56f6f1d4bd644367df8dfca5
humanhash: kansas-delaware-butter-juliet
File name:aa119aa1257cbf09e6b7502840e0279f7a215ab8f3d75cdce262ef823c7dbf7f
Download: download sample
Signature Formbook
File size:641'754 bytes
First seen:2023-03-08 13:26:37 UTC
Last seen:2023-03-08 15:28:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 12288:DYPFXXBWybVgyJIj3rIm/RY2YOMrTgGZvPXzc2YBjBUT2hU0iGOpQnpL:DYPlxxb54rIm/RUOMrTfZvPXz4jBUkvd
Threatray 2'253 similar samples on MalwareBazaar
TLSH T1B6D4231A2AA0C8F3D5770D304E26A75A1BB9D52159ADC30F67210FBEBE36741CA5D3C2
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
220
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aa119aa1257cbf09e6b7502840e0279f7a215ab8f3d75cdce262ef823c7dbf7f
Verdict:
Malicious activity
Analysis date:
2023-03-08 13:26:43 UTC
Tags:
autoit

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

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nymeria overlay packed shell32.dll
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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: 822324 Sample: UmB7W3DjYt.exe Startdate: 08/03/2023 Architecture: WINDOWS Score: 100 28 www.loaddown.vip 2->28 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 4 other signatures 2->50 10 UmB7W3DjYt.exe 20 2->10         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\Temp\mqdpec.exe, PE32 10->26 dropped 13 mqdpec.exe 10->13         started        process6 signatures7 64 Machine Learning detection for dropped file 13->64 66 Maps a DLL or memory area into another process 13->66 16 mqdpec.exe 13->16         started        process8 signatures9 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Sample uses process hollowing technique 16->40 42 Queues an APC in another process (thread injection) 16->42 19 explorer.exe 6 6 16->19 injected process10 dnsIp11 30 ogei.app 162.241.194.33, 49705, 49706, 49707 UNIFIEDLAYER-AS-1US United States 19->30 32 www.northgateapartments.co.uk 185.151.30.186, 49729, 49730, 49731 TWENTYIGB United Kingdom 19->32 34 18 other IPs or domains 19->34 52 System process connects to network (likely due to code injection or exploit) 19->52 54 Performs DNS queries to domains with low reputation 19->54 23 rundll32.exe 13 19->23         started        signatures12 process13 signatures14 56 Tries to steal Mail credentials (via file / registry access) 23->56 58 Tries to harvest and steal browser information (history, passwords, etc) 23->58 60 Modifies the context of a thread in another process (thread injection) 23->60 62 Maps a DLL or memory area into another process 23->62
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-02-16 05:45:25 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
23 of 39 (58.97%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
9def2bdaebc97293a3e2f955c01400b117decc046edf2539ec6b773937b1935b
MD5 hash:
6ad48e88f5687339ebf3a12e23be1734
SHA1 hash:
b609f098e32d7d1e500e13c74743a68837d3a611
SH256 hash:
e439f02b72a882498d512689f380e1323c4d8342578fe8608e81061cf4a8aee1
MD5 hash:
3d90ab79b9719aded136b7cd437ebb21
SHA1 hash:
dbec6e868a293cb0bd58d35191b1423ab8942384
SH256 hash:
aa119aa1257cbf09e6b7502840e0279f7a215ab8f3d75cdce262ef823c7dbf7f
MD5 hash:
5c11aeac56f6f1d4bd644367df8dfca5
SHA1 hash:
81e725269608155f66e42602e35ae8708889c032
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:meth_get_eip
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Comments