MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b06fa82f10d2120f00f919b03f578f97a3daa9f670a2bbd01749e3b573fb0315. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: b06fa82f10d2120f00f919b03f578f97a3daa9f670a2bbd01749e3b573fb0315
SHA3-384 hash: db23ce63a3400d370ea4f5957d67764c915910ebe207f9bd03aeacbb3dcc895a1ad59c4789a40548e93df8ff495ccd41
SHA1 hash: 4f33f3b3c5891b2342fa8f83f881289c46044802
MD5 hash: 0074fb71f5ebdbc29a96c9b2d2ef6fa9
humanhash: may-cardinal-november-music
File name:876-1057.exe
Download: download sample
Signature Formbook
File size:691'712 bytes
First seen:2023-10-31 12:08:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:tUR6dhdoaQjwbUNG8raMGDdzPISYBlQCHspTRjq0j3xmZSSuXtXRfa9OB1Y:tUR6eW8Gv9P11q0TxmZSttXTfY
Threatray 161 similar samples on MalwareBazaar
TLSH T162E412D0988CDFD2C5BE1A3B0BA9E835966CDDB0D414FF5C6AB177C4DA76782E11080A
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 010e7eacac9e2e01 (3 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
342
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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.
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1334834 Sample: 876-1057.exe Startdate: 31/10/2023 Architecture: WINDOWS Score: 100 34 xin2.zhanghonghong.com 2->34 36 www.senior-living-91799.bond 2->36 38 12 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 10 other signatures 2->48 11 876-1057.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 14 876-1057.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 8 1 14->17 injected process8 dnsIp9 28 www.seagaming.net 107.149.182.214, 49738, 80 PEGTECHINCUS United States 17->28 30 www.ktrandnews.com 158.247.235.89, 49735, 80 FEWPBUS United States 17->30 32 6 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 mstsc.exe 12 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-31 02:09:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ro12 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
87430d29853601ba2efaea8e0ea68571b5b8633c836f34321e8369837d3aacb6
MD5 hash:
56f58f16687ef191e4c9bf1a45111721
SHA1 hash:
76a745937ae8805adbd7d94043eb51aa39790ba1
SH256 hash:
321b9837024c717dd5b2ad4217a7e2734e368bdb58918437baf42f46a34149b1
MD5 hash:
91412a60691a2512ab0becb2f7002a32
SHA1 hash:
70fe342dd601a4b6a3fb67202c9ea3b3fea31b5c
SH256 hash:
b06fa82f10d2120f00f919b03f578f97a3daa9f670a2bbd01749e3b573fb0315
MD5 hash:
0074fb71f5ebdbc29a96c9b2d2ef6fa9
SHA1 hash:
4f33f3b3c5891b2342fa8f83f881289c46044802
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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