MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5cc87fd5f7ec59b978d6b6b3f142fe60bd10233c887aceca55954c84ccda9e0. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: b5cc87fd5f7ec59b978d6b6b3f142fe60bd10233c887aceca55954c84ccda9e0
SHA3-384 hash: 54ee37a5960427243da1dc716cbd373396533dbd739c5e922c82c60c834c0c4ad166546342f858aafa09d7ff83418794
SHA1 hash: 0b81652f6acd7494fdffddb0309203a23c7e28b5
MD5 hash: 495c9ae1c6db6f928d15b52d72fc6820
humanhash: london-wisconsin-two-oscar
File name:PAYMENT COPY.exe
Download: download sample
Signature Formbook
File size:793'600 bytes
First seen:2022-08-18 10:57:10 UTC
Last seen:2022-09-01 15:08:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:7p1CUjHi11R/5P26n+v+WDP79yoSGKzu7b95B/DQ6yotbTWJi/uoqvcjns6Y1:NcUjqPj+vVTAoFW0+sj2oYqa
TLSH T1B2F4DF0077E89925EBBB9F3FCA70111158F2B99B6A27D31F2A9121DD0DB67580C2374B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 017896b3a3361821 (10 x Formbook, 9 x AgentTesla, 3 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
397
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PAYMENT COPY.exe
Verdict:
Malicious activity
Analysis date:
2022-08-18 10:59:23 UTC
Tags:
formbook trojan stealer

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
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
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.
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
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
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 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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 686269 Sample: PAYMENT COPY.exe Startdate: 18/08/2022 Architecture: WINDOWS Score: 100 33 www.pewdiepie-merch.com 2->33 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 7 other signatures 2->43 9 PAYMENT COPY.exe 3 2->9         started        signatures3 process4 file5 25 C:\Users\user\...\PAYMENT COPY.exe.log, ASCII 9->25 dropped 53 Injects a PE file into a foreign processes 9->53 13 PAYMENT COPY.exe 9->13         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 13->16 injected process9 dnsIp10 27 www.998899.lc 128.14.22.37, 49720, 49721, 80 ZNETUS United States 16->27 29 artistamundial.com 66.225.241.38, 49722, 49723, 80 USG-CORPORATIONUS United States 16->29 31 4 other IPs or domains 16->31 35 System process connects to network (likely due to code injection or exploit) 16->35 20 colorcpl.exe 13 16->20         started        23 autochk.exe 16->23         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 20->45 47 Tries to harvest and steal browser information (history, passwords, etc) 20->47 49 Deletes itself after installation 20->49 51 2 other signatures 20->51
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-08-18 02:11:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
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
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
38656b08cdc6714713d034c6600149baf3bd4fe89a2fcdcac6ab23391411275a
MD5 hash:
54300084b789ec05fd90bffd5ecb53f6
SHA1 hash:
30e31e209f7857598f5c087b3f325fd34b59abb1
SH256 hash:
551ef0181260a5ab5728a618c2e86443753aaeb425e6c3b1346dfb0a661c73af
MD5 hash:
3c7205139e6aabd7de040b15021c24ed
SHA1 hash:
e4c66e4ca1bb3b5488d7c4ba7fddc8cac118955f
SH256 hash:
ae0f04e533f00fdc83af8726289987654c8e204e4a9fcc516d4c99328d8dad93
MD5 hash:
72d6cce32e40ef60d04c5033d7a59fea
SHA1 hash:
2a4c31f20b153b3e04ae38f2b97ba5af860ab372
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
b5cc87fd5f7ec59b978d6b6b3f142fe60bd10233c887aceca55954c84ccda9e0
MD5 hash:
495c9ae1c6db6f928d15b52d72fc6820
SHA1 hash:
0b81652f6acd7494fdffddb0309203a23c7e28b5
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.

Malspam

Formbook

Executable exe b5cc87fd5f7ec59b978d6b6b3f142fe60bd10233c887aceca55954c84ccda9e0

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments