MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d004812639335fc21774851e271241aaead5918a69f978e1aedb6b573b6cca1b. 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 7 File information Comments

SHA256 hash: d004812639335fc21774851e271241aaead5918a69f978e1aedb6b573b6cca1b
SHA3-384 hash: 72789f27e2a65330a80cc0601d5d97fe4960958337e399e2e2bf97d31e9b42aeb6e3c1d35a8f8bc8c6971d925ec51f76
SHA1 hash: 4c140fe2941bb7ffc1e95ca8ce5e05132369d35a
MD5 hash: f5ba8cd2153faf89a84faceabd8c8a50
humanhash: two-chicken-crazy-south
File name:file
Download: download sample
Signature Formbook
File size:359'701 bytes
First seen:2023-01-27 15:53:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:zYa6TIDW7dny8QOUiUK66kWsXlIO+8EJkcln1e5bVaVZlJcG8U:zYKDWA8QOiK65yO+TJkcln1ApSZT9/
TLSH T1C474DFC5F94194B5EC2B5731663ADE321A133C3EA4B4291C2BCE3E7B3EBB4129416653
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter jstrosch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
ORDER (1).xls
Verdict:
Malicious activity
Analysis date:
2023-01-27 14:31:06 UTC
Tags:
macros opendir exploit cve-2017-11882 loader trojan formbook 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 window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook nemesis 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
Detected unpacking (changes PE section rights)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 dropped file
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 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: 793105 Sample: file.exe Startdate: 27/01/2023 Architecture: WINDOWS Score: 100 28 www.dongshi88.com 2->28 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->48 50 3 other signatures 2->50 10 file.exe 19 2->10         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\nucctjtro.exe, PE32 10->26 dropped 13 nucctjtro.exe 10->13         started        process6 signatures7 62 Multi AV Scanner detection for dropped file 13->62 64 Detected unpacking (changes PE section rights) 13->64 66 Maps a DLL or memory area into another process 13->66 16 nucctjtro.exe 13->16         started        process8 signatures9 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Sample uses process hollowing technique 16->40 42 Queues an APC in another process (thread injection) 16->42 19 explorer.exe 1 16->19 injected process10 dnsIp11 30 www.dongshi88.com 211.149.132.144, 80 CHINANET-SCIDC-AS-APCHINANETSiChuanTelecomInternetData China 19->30 32 www.bts-exhibition20.com 199.59.243.222, 49702, 80 BODIS-NJUS United States 19->32 34 6 other IPs or domains 19->34 52 System process connects to network (likely due to code injection or exploit) 19->52 23 systray.exe 13 19->23         started        signatures12 process13 signatures14 54 Tries to steal Mail credentials (via file / registry access) 23->54 56 Tries to harvest and steal browser information (history, passwords, etc) 23->56 58 Modifies the context of a thread in another process (thread injection) 23->58 60 Maps a DLL or memory area into another process 23->60
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2023-01-27 12:11:04 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  8/10
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
d13ae5c77185b9e05d78da2a24f5031bc9aff331459395a7c26d1d143b407530
MD5 hash:
10f8b73625bd463839d48940995d4d86
SHA1 hash:
2904c95abb857e9f8546579b371a11b25e5ad5eb
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
dbaef780b19d70014369da279431ca61fbe2f15f3593c58db0c4572b9ddf094d
MD5 hash:
8d0f13a6c9e62ee404113e99171d0f20
SHA1 hash:
84f88373dc8640337ebf1a9a0e745e5cabe1d057
SH256 hash:
6fd8be9b8268d6800edd148a4ac4d8215a6afe7a962e62aa1f6aecc109d8c73b
MD5 hash:
0e0b09f6b29175ec59fe9202b935ccb8
SHA1 hash:
5f7f260813b0a1abbf823b39f1393e7d7d916d3a
SH256 hash:
d004812639335fc21774851e271241aaead5918a69f978e1aedb6b573b6cca1b
MD5 hash:
f5ba8cd2153faf89a84faceabd8c8a50
SHA1 hash:
4c140fe2941bb7ffc1e95ca8ce5e05132369d35a
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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.

Web download

Formbook

Executable exe d004812639335fc21774851e271241aaead5918a69f978e1aedb6b573b6cca1b

(this sample)

  
Delivery method
Distributed via web download

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