MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2e85cc5829aff67e79b9d9a34fdd80ea8e3774eca76e8006280c097e6153189. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: d2e85cc5829aff67e79b9d9a34fdd80ea8e3774eca76e8006280c097e6153189
SHA3-384 hash: 95c363a11f665094208839307cf39a329c8dee59487fb98d0e49b66dae697afe0b72600473e13f7a37dc0d35c09349d4
SHA1 hash: 0324470746ccfd1f6ccd4b7679a020d792471181
MD5 hash: 726d1765b41f2b9939dc53a5d09971f9
humanhash: cat-indigo-chicken-zebra
File name:payment_remittance_copy_receipt_pdf_file.exe
Download: download sample
Signature Formbook
File size:503'811 bytes
First seen:2022-11-17 16:37:57 UTC
Last seen:2022-11-17 18:48:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:WEa09WGbqK1gUb+6egIXYX5y2+GxtruslBnroe5jF:kugrgAw5yDGxosLrx5B
TLSH T161B4BBF1C795E5A8F886AE3D41335CBBD4AB997D6DA05DDE410CB4B2AF3278210A05C3
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 204e969696969640 (5 x Formbook)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
payment_remittance_copy_receipt_pdf_file.exe
Verdict:
Malicious activity
Analysis date:
2022-11-17 16:39:48 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
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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)
Performs DNS queries to domains with low reputation
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 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: 748642 Sample: payment_remittance_copy_rec... Startdate: 17/11/2022 Architecture: WINDOWS Score: 100 28 www.clubctf.com 2->28 30 edgaroviedo.github.io 2->30 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Yara detected FormBook 2->50 52 3 other signatures 2->52 10 payment_remittance_copy_receipt_pdf_file.exe 18 2->10         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\vylovuefy.exe, PE32 10->26 dropped 13 vylovuefy.exe 10->13         started        process6 signatures7 66 Maps a DLL or memory area into another process 13->66 16 vylovuefy.exe 13->16         started        process8 signatures9 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 42 Sample uses process hollowing technique 16->42 44 Queues an APC in another process (thread injection) 16->44 19 explorer.exe 16->19 injected process10 dnsIp11 32 58777.zhanghonghong.com 103.100.208.243, 49697, 80 HKKFGL-AS-APHKKwaifongGroupLimitedHK Hong Kong 19->32 34 www.kahrabaonline.com 160.121.219.144, 49706, 49707, 80 CLAYERLIMITED-AS-APClayerLimitedHK South Africa 19->34 36 7 other IPs or domains 19->36 54 System process connects to network (likely due to code injection or exploit) 19->54 56 Performs DNS queries to domains with low reputation 19->56 23 msdt.exe 13 19->23         started        signatures12 process13 signatures14 58 Tries to steal Mail credentials (via file / registry access) 23->58 60 Tries to harvest and steal browser information (history, passwords, etc) 23->60 62 Modifies the context of a thread in another process (thread injection) 23->62 64 Maps a DLL or memory area into another process 23->64
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-11-17 16:38:07 UTC
File Type:
PE (Exe)
Extracted files:
4
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:veh0 rat spyware stealer trojan
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
834ef213c1fa2817a815220318cc09696c80fedc46e65fc3092bc91613bf2836
MD5 hash:
0dcd8a3e5b3cb1ced7456eb6d8488b5b
SHA1 hash:
844a94905562f13154416f7b4c9107cc4d1ca5fa
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
bf1a2db7c7e6cea27dbe1311de406000a91f3cec870cd473f39ed7d60a814a14
MD5 hash:
bc0424125c20ec331ab31cce311c79ff
SHA1 hash:
f6834796588d296bff9ab31a3e9101d29a35e098
SH256 hash:
beb26dd78d4763ca7c2d9e7d1d9e17589c8d6713554b36a2e746c6f5a97a9f02
MD5 hash:
1914f28dd27da8497b6e901a14d9d92e
SHA1 hash:
52aef3b403d3b1ad34c535a5331da757d3dc738a
SH256 hash:
d2e85cc5829aff67e79b9d9a34fdd80ea8e3774eca76e8006280c097e6153189
MD5 hash:
726d1765b41f2b9939dc53a5d09971f9
SHA1 hash:
0324470746ccfd1f6ccd4b7679a020d792471181
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:meth_stackstrings
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Comments