MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54d71b452ceceb7769f2ab610d157005849ec32aae5544acaa99d08f8d12cd95. 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 9 File information Comments
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SHA256 hash: 54d71b452ceceb7769f2ab610d157005849ec32aae5544acaa99d08f8d12cd95
SHA3-384 hash: 575102f5f3c3bfecec9c132bf036a0c9ed4fa3c3a05630fc13d59864f66d9cd1ceb018d6ddc605abe601f6a1d45e25c0
SHA1 hash: e723c9f072504c3345f91829000ec7d96ac6661a
MD5 hash: adfbf0d0858c2ccf0c3070967f1c5a3e
humanhash: maine-eighteen-timing-papa
File name:Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:284'544 bytes
First seen:2022-09-19 12:20:55 UTC
Last seen:2022-09-19 12:52:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:KAJjLwdO06a3KpeQnaMDCbd9D+E2fCos4OianeAsIJ/8kAG:KjO06IKpRnacCxx+EcCBnbX8kL
TLSH T12354DF887624B68FC86BC432CDE95CA0ABA578A72707D243B043739D5A1C7D7CF161E6
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe
Verdict:
Malicious activity
Analysis date:
2022-09-19 12:23:55 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/57e27fe1-3d39-4c67-ba49-a4b463a85021

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/311325/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1264.29078.532.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a window
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/63285ec1397677696531ebea/reports/be9eaf78-7b4f-4c0d-9ff3-898742d8736c/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df1d85e0-7e23-4942-8bf9-692dda87f954
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1072934
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
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)
Multi AV Scanner detection for domain / URL
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)
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 705476 Sample: Invoice_Tracking_6578959958... Startdate: 19/09/2022 Architecture: WINDOWS Score: 100 24 www.derpallet.info 2->24 36 Multi AV Scanner detection for domain / URL 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 7 other signatures 2->42 9 Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe 1 2->9         started        signatures3 process4 file5 22 Invoice_Tracking_6...HLFDKL89634.exe.log, ASCII 9->22 dropped 12 cvtres.exe 9->12         started        process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 15 explorer.exe 12->15 injected process8 dnsIp9 26 www.fenixbedrijf.com 94.154.117.171, 49715, 49716, 49717 SMNT-NETPL unknown 15->26 28 www.vegasgamingbars.com 154.81.112.169, 49718, 49719, 49722 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 15->28 30 4 other IPs or domains 15->30 32 System process connects to network (likely due to code injection or exploit) 15->32 34 Uses netstat to query active network connections and open ports 15->34 19 NETSTAT.EXE 13 15->19         started        signatures10 process11 signatures12 44 Tries to steal Mail credentials (via file / registry access) 19->44 46 Tries to harvest and steal browser information (history, passwords, etc) 19->46 48 Modifies the context of a thread in another process (thread injection) 19->48 50 Maps a DLL or memory area into another process 19->50
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/54d71b452ceceb7769f2ab610d157005849ec32aae5544acaa99d08f8d12cd95/
Threat name:
ByteCode-MSIL.Trojan.Swotter
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Status:
Malicious
First seen:
2022-09-19 12:21:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ktlrwrjm5tvxo2psvnqq2flqawcj5qzkvzkujlfkthii7diszwkq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:f4ca rat spyware stealer trojan
Link:
https://tria.ge/reports/220919-pjba9sgea2/
Behaviour
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
Loads dropped DLL
Blocklisted process makes network request
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e4fa9a06-1a3e-4f62-9486-3aa400249c36
Unpacked files
SH256 hash:
434bc3647044e56ae8b8b86f982151f3bfc9f92f85ec728a7d64918ca9519078
MD5 hash:
0ae5ea03814485d9002b36c4dd650f47
SHA1 hash:
ddb3025d46a834d2ea3d216a50630c45a95418f2
Link:
https://www.unpac.me/results/562a4bd6-6402-4afa-9553-0a65856e2460/
SH256 hash:
1997d1cdadda4a4fcba682532b98b40b1f5bd8d8a749743435b76fd92a162bb8
MD5 hash:
2dcc4a32977fba5b7d59523e60d07e2b
SHA1 hash:
db9edddc9e06f15c6de12c95250a8297f9533c40
Link:
https://www.unpac.me/results/562a4bd6-6402-4afa-9553-0a65856e2460/
SH256 hash:
54d71b452ceceb7769f2ab610d157005849ec32aae5544acaa99d08f8d12cd95
MD5 hash:
adfbf0d0858c2ccf0c3070967f1c5a3e
SHA1 hash:
e723c9f072504c3345f91829000ec7d96ac6661a
Link:
https://www.unpac.me/results/562a4bd6-6402-4afa-9553-0a65856e2460/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/54d71b452cec/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/54d71b452ceceb7769f2ab610d157005849ec32aae5544acaa99d08f8d12cd95

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest4
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/311325/

Comments