MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9de5be5d337c16f6a3ad525011586ae0b14f04169e9b6ae61a35397a3311079. 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: 11


Intelligence 11 IOCs YARA 12 File information Comments

SHA256 hash: f9de5be5d337c16f6a3ad525011586ae0b14f04169e9b6ae61a35397a3311079
SHA3-384 hash: 44d45209efd615ee683321d89dae916f83ddf8cd31d8b00795da1d7c5291914aff85efa8c531d81efec69e2f47f73a8d
SHA1 hash: f18cc032c483b6d94b856f7150e25f41509e59b6
MD5 hash: cd88bacf312e7e4b45258af81ce8048b
humanhash: stairway-nineteen-early-yellow
File name:cd88bacf312e7e4b45258af81ce8048b.exe
Download: download sample
Signature Formbook
File size:676'352 bytes
First seen:2023-08-17 18:28:48 UTC
Last seen:2023-08-17 19:33:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'614 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:aFcNtV/Op3VXEGFXglxxsITSMrfslboO/Qo7vneSyBc7TqSYk+:vN6dxE9uqrOdPeSiwT2v
Threatray 1'064 similar samples on MalwareBazaar
TLSH T190E4BDF564A9C7AAC7B963FF502380740BA73C496271D29D7ABD31D61EA5B830940E33
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)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
273
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cd88bacf312e7e4b45258af81ce8048b.exe
Verdict:
No threats detected
Analysis date:
2023-08-17 18:41:17 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
Restart of the analyzed sample
Creating a file
Gathering data
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
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1293047 Sample: scGanV8c88.exe Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 26 www.whiskeyrockszerofox.com 2->26 28 www.uvmxy3.cfd 2->28 30 14 other IPs or domains 2->30 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 6 other signatures 2->52 10 scGanV8c88.exe 3 2->10         started        signatures3 process4 process5 12 scGanV8c88.exe 10->12         started        signatures6 56 Maps a DLL or memory area into another process 12->56 58 Queues an APC in another process (thread injection) 12->58 15 HCAkURrdSFstWHrynlhRliKjcHVgh.exe 12->15 injected process7 process8 17 help.exe 13 15->17         started        signatures9 38 Tries to steal Mail credentials (via file / registry access) 17->38 40 Tries to harvest and steal browser information (history, passwords, etc) 17->40 42 Writes to foreign memory regions 17->42 44 3 other signatures 17->44 20 explorer.exe 4 1 17->20 injected 24 firefox.exe 17->24         started        process10 dnsIp11 32 www.potent-tech.com 119.28.69.86, 49788, 49789, 49790 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN China 20->32 34 301.woaituqing.com 67.21.74.99, 49778, 49779, 49780 ST-BGPUS United States 20->34 36 7 other IPs or domains 20->36 54 System process connects to network (likely due to code injection or exploit) 20->54 signatures12
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-08-15 20:39:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
c626bb14f96aa5e4da875c08230bc9c97bb61c9736f3d4dc8d4a5758a8aa35dc
MD5 hash:
78dcba5d9656b33f044ba352a2a9e660
SHA1 hash:
8d28ba43dcb87cb4a987a8c7c228bf63b62e3324
SH256 hash:
d49b6b98ce2072303df26f7fdd3bcf642267bd4d44be0bbbfabf7e9742618dd8
MD5 hash:
9668fa7d79bba30a0080007d155a5bd4
SHA1 hash:
c3df87d81ec44a86f03d12e8184fd9d8f2365233
SH256 hash:
c6386d7d57652ecce702675af96fd02c17298653ce526d937a21d6c7c0e7315c
MD5 hash:
0e8a62262f366de945fec018e33b56d0
SHA1 hash:
9e4eacda4d61f8ee73429feb8f9d90c3da3ff032
SH256 hash:
598a766b26fc39c1092e2f20cee1f42df6d6049d618ac5d4d331c646ab6a8b47
MD5 hash:
00c960e10d544bd0961a993c3c6dbbe5
SHA1 hash:
04018db21d1b12800f1bc413b90ccb3264955bcb
SH256 hash:
f9de5be5d337c16f6a3ad525011586ae0b14f04169e9b6ae61a35397a3311079
MD5 hash:
cd88bacf312e7e4b45258af81ce8048b
SHA1 hash:
f18cc032c483b6d94b856f7150e25f41509e59b6
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:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Web download

Formbook

Executable exe f9de5be5d337c16f6a3ad525011586ae0b14f04169e9b6ae61a35397a3311079

(this sample)

  
Delivery method
Distributed via web download

Comments