MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a20feedc1d28aae492c75dfbbfd363d40fc7aa5e3d99392c80d1db9b85617563. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: a20feedc1d28aae492c75dfbbfd363d40fc7aa5e3d99392c80d1db9b85617563
SHA3-384 hash: 13b6b66250e3cafc8f9a0c18089e4bc37402d9b8d9d2212820509c8d08204e3fd143c076429a04acec3e7245aca57e92
SHA1 hash: 3e5f7c6c42721dfe5dab1c49204a08412fc4a39a
MD5 hash: af4dd0ac8dcb000fd9247a4c6bb1b89e
humanhash: two-cola-mississippi-twenty
File name:Payment Notice.exe
Download: download sample
Signature Formbook
File size:772'096 bytes
First seen:2023-01-30 08:18:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:7/NBkfDyHsqueCcbfu+6jsDnFNXVdy4DA+FYoduHB0yk2vf3S431cconBuOhjSX:7/gxqt7G+Gs/XNE+FWh0yk2vf3l31cct
TLSH T184F49D12B1F290A3F48744B69025BACD2C3C7113B6D5E6176A753A9067028BFFBD4FA1
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 lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
198
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Notice.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 08:19:41 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
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit 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.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 794112 Sample: Payment Notice.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 36 www.ath0ms.tech 2->36 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 9 other signatures 2->52 11 Payment Notice.exe 3 2->11         started        signatures3 process4 file5 34 C:\Users\user\...\Payment Notice.exe.log, ASCII 11->34 dropped 64 Injects a PE file into a foreign processes 11->64 15 Payment Notice.exe 11->15         started        18 Payment Notice.exe 11->18         started        20 Payment Notice.exe 11->20         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 Queues an APC in another process (thread injection) 15->72 22 explorer.exe 2 6 15->22 injected process9 dnsIp10 38 www.178dst.com 16.163.46.114, 49722, 49723, 80 unknown United States 22->38 40 www.laro777.net 22->40 42 2 other IPs or domains 22->42 54 System process connects to network (likely due to code injection or exploit) 22->54 56 Uses netsh to modify the Windows network and firewall settings 22->56 26 netsh.exe 12 22->26         started        signatures11 process12 dnsIp13 44 www.178dst.com 26->44 58 Modifies the context of a thread in another process (thread injection) 26->58 60 Maps a DLL or memory area into another process 26->60 62 Tries to detect virtualization through RDTSC time measurements 26->62 30 cmd.exe 1 26->30         started        signatures14 process15 process16 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2023-01-28 14:54:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sz17 rat spyware stealer trojan
Behaviour
Enumerates system info in registry
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
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
3b0d3207d4e8e1382b9f6c51594d5ff36a2bf4fb873f2296f5b3d3a6e133c198
MD5 hash:
c63ccc28137498f3e9a28af52e1c0c8f
SHA1 hash:
1c701cf3df971d7a8bef396038bbb36cdab89d26
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
25ea4005d06259ec157f5ccf429e40f5ca1757f84821fdfb54272afcf57a9efb
MD5 hash:
2e81fc997a883c0643ba5c3b2c378520
SHA1 hash:
c1516c0a8fd5cdcc0a3f9f99453421c9f04c4e6f
SH256 hash:
411569f9f0b865c651adc1234d23f86cd98fe5cd641704702276e9882be113b6
MD5 hash:
7648892096f37af50468509c5b051180
SHA1 hash:
a56a074c2770152761f6c4975db0e9f7d57f8cda
SH256 hash:
1641dcd779cd98135198acd8e992c9618b0bb63d60c4bac6e5c86083797780ce
MD5 hash:
af3e4011fad34ebb72c5bbc3fe049f72
SHA1 hash:
7f0b8918d1edc7f46fa93c8a4401d4b1920fa9d8
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
a20feedc1d28aae492c75dfbbfd363d40fc7aa5e3d99392c80d1db9b85617563
MD5 hash:
af4dd0ac8dcb000fd9247a4c6bb1b89e
SHA1 hash:
3e5f7c6c42721dfe5dab1c49204a08412fc4a39a
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 a20feedc1d28aae492c75dfbbfd363d40fc7aa5e3d99392c80d1db9b85617563

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments