MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c71e8cd3e58eaeab5de7d296fa62fd6fcad415facc687629d71b25bab56550eb. 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: 12


Intelligence 12 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c71e8cd3e58eaeab5de7d296fa62fd6fcad415facc687629d71b25bab56550eb
SHA3-384 hash: 3aaca010eb93215066fb78539de136aa05ac01029ba15de6e6ac03b5bea0346c3e1deb92885bc232f20bd32f6d2bbed3
SHA1 hash: a27ade3067d85e7ed462266b503caed5ef89d3dc
MD5 hash: cd0e4cab67b7fd76ef5d6bdcb7f25a21
humanhash: uranus-white-artist-east
File name:cd0e4cab67b7fd76ef5d6bdcb7f25a21.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:350'493 bytes
First seen:2022-12-06 14:21:01 UTC
Last seen:2022-12-06 15:38:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ab6770b0a8635b9d92a5838920cfe770 (84 x Formbook, 30 x AgentTesla, 15 x Loki)
ssdeep 6144:ZBnbr9ZL8bW6Bg1GzljLDEkYiDifeaOcpTlSxbJ3bzGUAR6ZTu:HfL8bQalnDlRexQxNSlR7
TLSH T129748C91E350ECFDF42E4576C9B6D62816139B2DA4A80A3F24AA711C25B734750FBE0F
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 c4c4c4ccfccc7430 (5 x AgentTesla, 5 x Formbook, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
cd0e4cab67b7fd76ef5d6bdcb7f25a21.exe
Verdict:
Malicious activity
Analysis date:
2022-12-06 14:27:44 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/68b9692a-8496-43ad-af23-bdce0124323d

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/343498/
Detection(s):
SecuriteInfo.com.Trojan.Loader.1203.13735.18008.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/638f4fd3527933be940d4e4d/reports/9426a8fe-a556-4cca-a7f1-9411a8bd7a4a/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1c2eccae-8c90-4420-92b0-27e615c705fe
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1128982
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
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 netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 761705 Sample: H1gpqQtYov.exe Startdate: 06/12/2022 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 5 other signatures 2->39 9 H1gpqQtYov.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\...\jrjvptrkw.exe, PE32 9->25 dropped 12 jrjvptrkw.exe 9->12         started        process5 signatures6 53 Antivirus detection for dropped file 12->53 55 Multi AV Scanner detection for dropped file 12->55 57 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->57 59 Maps a DLL or memory area into another process 12->59 15 jrjvptrkw.exe 12->15         started        process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 27 viraldinero.com 15.235.36.219, 49718, 49719, 80 HP-INTERNET-ASUS United States 18->27 29 www.edpeduca.com 35.209.202.186, 49713, 80 GOOGLE-2US United States 18->29 31 7 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 43 Uses netsh to modify the Windows network and firewall settings 18->43 22 netsh.exe 13 18->22         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 22->45 47 Tries to harvest and steal browser information (history, passwords, etc) 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c71e8cd3e58eaeab5de7d296fa62fd6fcad415facc687629d71b25bab56550eb/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2022-12-06 11:45:03 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=y4pizu7fr2xkwxph2klpuyx5n7fnifp2zruhmkoxdms3vnlfkdvq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:f4ca rat spyware stealer trojan
Link:
https://tria.ge/reports/221206-rn1g3ahg7v/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Unpacked files
SH256 hash:
a2a4ffafcc8edff94a7d9778876027fddcecf792c7ee88d08db8a8848af486b3
MD5 hash:
9e4de19ae7a532800a5f23ddf30895e4
SHA1 hash:
9903e10cf922afdda6ecb0114706ccaf96fd5d77
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3b07a2b9-c678-491f-87ee-2cbe7bcb819b/
Parent samples :
37fc27ae593c57c90608af9929d7ade4fc5924ec4e795c445c4bf8a5a1bf8585
1d05865cde860a1f608fd49bb66177de78e910bb2dc231b57908a388dea5c0c2
f3ddd84b590f6579c2bb685fa8bb486564c0ba53ff5619565feba5b79aba251a
89e3278b4afa50ac135ccc101ee85abe02ef3d1150d8c270eb9936f45b29e7c6
707b97fb5258d16558c7586accf54557419645343d004c5563ec7dea786aafad
48fcd109b51adcad58459318c092f4b6e8e5dcca682f9d60e1592e53dbb6174b
14afee34b6a36a32b34c61556e46fef92e6a2d9066c758308bb9caea4a94ae2a
c71e8cd3e58eaeab5de7d296fa62fd6fcad415facc687629d71b25bab56550eb
b9f158fac329391c893814424e77c4f9fc0460026b93327d8cf35598a561a1de
SH256 hash:
35fcdeaad36bbf3f29d5c97125bf397ab01498c5708a100deeafbef112c3495b
MD5 hash:
2eab160ab46f5318bb027b433c697087
SHA1 hash:
a12bf5570a91a8a40c199d1d563a3cd6a1c27e11
Link:
https://www.unpac.me/results/3b07a2b9-c678-491f-87ee-2cbe7bcb819b/
SH256 hash:
e8133fd4d9de41f0a3401f7769fc85abddc200be4672115c9bc2c72b0d78c1c6
MD5 hash:
78c8f93ebaa9e895ab4286c880c0d439
SHA1 hash:
bb2e000a9abc85bfcf2471230f460cfe638cc7f6
Link:
https://www.unpac.me/results/3b07a2b9-c678-491f-87ee-2cbe7bcb819b/
SH256 hash:
c71e8cd3e58eaeab5de7d296fa62fd6fcad415facc687629d71b25bab56550eb
MD5 hash:
cd0e4cab67b7fd76ef5d6bdcb7f25a21
SHA1 hash:
a27ade3067d85e7ed462266b503caed5ef89d3dc
Link:
https://www.unpac.me/results/3b07a2b9-c678-491f-87ee-2cbe7bcb819b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c71e8cd3e58e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/c71e8cd3e58eaeab5de7d296fa62fd6fcad415facc687629d71b25bab56550eb

File information

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

Web download

Formbook

Executable exe c71e8cd3e58eaeab5de7d296fa62fd6fcad415facc687629d71b25bab56550eb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2445078/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/343498/

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