MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c23c53452c3180e79ca639a79a2dc1ea8e3d8fbf4833e02e4ac02959dcfce486. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments 1
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SHA256 hash: c23c53452c3180e79ca639a79a2dc1ea8e3d8fbf4833e02e4ac02959dcfce486
SHA3-384 hash: fc5a08abdc5a1fb261f8d136deb020a6eaddd8e3c47e7a674b734166e3c4fde196d79e54c76bd68da9c9178cda1a3365
SHA1 hash: 15b21c2753b658b90ae652d82dd2123daf5af305
MD5 hash: 58af2905bb3afbf26a18d4dbff6af451
humanhash: montana-east-early-red
File name:58af2905bb3afbf26a18d4dbff6af451
Download: download sample
Signature Formbook
Create hunting rule
File size:421'633 bytes
First seen:2022-11-02 13:32:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:rweEDPVVGng08cErJGSovljhvXoFDkBTeI2+LJdSdMh4:o2tlgGxjhvqD43dSdi4
TLSH T18B9469547EC69476F4A002B74BE5DAF866622D4C1829873F72D0BFAB36BD5C94843BC0
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 3070b2f07070c4cc (1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
58af2905bb3afbf26a18d4dbff6af451
Verdict:
Malicious activity
Analysis date:
2022-11-02 13:34:32 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/69b8c3af-cf7c-4451-b0d6-004501504fee

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/327180/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.31709.12473.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Searching for synchronization primitives
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/47444/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6362719058409ff7bc0c8b8f/reports/9da9c1de-3666-4d00-8d2e-7113329d29f2/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/02072a1d-570a-4448-93a9-e2e0a93c81a7
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1103342
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 736003 Sample: tfjD6IWkJJ.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 6 other signatures 2->49 10 tfjD6IWkJJ.exe 18 2->10         started        process3 file4 29 C:\Users\user\AppData\...\iwszswbfva.exe, PE32 10->29 dropped 13 iwszswbfva.exe 10->13         started        process5 signatures6 59 Multi AV Scanner detection for dropped file 13->59 61 Maps a DLL or memory area into another process 13->61 63 Tries to detect virtualization through RDTSC time measurements 13->63 16 iwszswbfva.exe 13->16         started        process7 signatures8 35 Modifies the context of a thread in another process (thread injection) 16->35 37 Maps a DLL or memory area into another process 16->37 39 Sample uses process hollowing technique 16->39 41 Queues an APC in another process (thread injection) 16->41 19 help.exe 16->19         started        22 explorer.exe 16->22 injected process9 dnsIp10 51 Modifies the context of a thread in another process (thread injection) 19->51 53 Maps a DLL or memory area into another process 19->53 55 Tries to detect virtualization through RDTSC time measurements 19->55 25 cmd.exe 1 19->25         started        31 www.southofkingst.store 203.170.80.250, 49702, 80 DREAMSCAPE-AS-APDreamscapeNetworksLimitedAU Australia 22->31 33 www.sexfan.biz 188.114.97.3, 49701, 80 CLOUDFLARENETUS European Union 22->33 57 System process connects to network (likely due to code injection or exploit) 22->57 signatures11 process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c23c53452c3180e79ca639a79a2dc1ea8e3d8fbf4833e02e4ac02959dcfce486/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2022-11-02 13:33:09 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yi6fgrjmggaophfghgtzulob5khd3d57jaz6alskyauvtxh44sda._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:wh23 rat spyware stealer trojan
Link:
https://tria.ge/reports/221102-qthzjabgcq/
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5b1c1316-8703-491c-b5cb-13ffef1ac96c
Unpacked files
SH256 hash:
f383245e5356160a0da84fc48d78bb6b982f79ae6ac9499d0d384172fe069fff
MD5 hash:
224456891bd4d3cd26fccb8f789a5fa5
SHA1 hash:
bfda6ad1b6d1744a4a4918141b71332a745b5b8f
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/e3c1f666-0eec-42cf-9bff-2ec80cf3ebe3/
Parent samples :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 hash:
71f77383f16279a5f52b2f37210215b5c6ddc001642815b2d9143034783942af
MD5 hash:
c60000e5b7129d94f511ab5d84d6a4f2
SHA1 hash:
c4962e3c44259f9b9f0ec6f1cf5b9d3d1b41526a
Link:
https://www.unpac.me/results/e3c1f666-0eec-42cf-9bff-2ec80cf3ebe3/
SH256 hash:
c23c53452c3180e79ca639a79a2dc1ea8e3d8fbf4833e02e4ac02959dcfce486
MD5 hash:
58af2905bb3afbf26a18d4dbff6af451
SHA1 hash:
15b21c2753b658b90ae652d82dd2123daf5af305
Link:
https://www.unpac.me/results/e3c1f666-0eec-42cf-9bff-2ec80cf3ebe3/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c23c53452c31/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/c23c53452c3180e79ca639a79a2dc1ea8e3d8fbf4833e02e4ac02959dcfce486

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
Create hunting rule
Author:Willi Ballenthin

File information

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

Web download

Formbook

Executable exe c23c53452c3180e79ca639a79a2dc1ea8e3d8fbf4833e02e4ac02959dcfce486

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/327180/
  
URLhaus
https://urlhaus.abuse.ch/url/2397235/

Comments


Avatar
zbet commented on 2022-11-02 13:32:30 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/themad2.1.exe