MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab3b50c41ba9885ead7fa4556748af2f6d6f5a111186499238b41293583805af. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab3b50c41ba9885ead7fa4556748af2f6d6f5a111186499238b41293583805af
SHA3-384 hash: 19a83038806e34c51a3f214a421db430deaea1e3cc95836b181e8e04205255afa75dfa4829bdd0f55c2828dc33835883
SHA1 hash: 59ca02dd1a36b1f222f97e45295309142c7785cd
MD5 hash: 2b6c7174e29be5b1bc1b2c1ce566ad2d
humanhash: hydrogen-mirror-angel-sink
File name:2b6c7174e29be5b1bc1b2c1ce566ad2d
Download: download sample
Signature Formbook
Create hunting rule
File size:954'368 bytes
First seen:2022-10-10 15:50:35 UTC
Last seen:2022-10-10 18:15:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:DRLVcKcEDizrOrYO7O5BuauDZtRu5Y4ktuwJ2u:NLuKFDiHOr33auDs5C8
TLSH T1841537BA21818807EA553171CC53D1F32BFB6DA86272D1DB7AD72F1FBC401BB9512286
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 6670596f4f4e0d0a (34 x Loki, 25 x AgentTesla, 21 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/318574/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.21626.13481.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
80%
Link:
https://www.filescan.io/uploads/63443f6a7a6f3f03619da266/reports/f6acd626-0326-4a23-8b06-d9bf211cd269/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1acaa93d-e71b-40d5-9877-643b99e0ec82
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1086999
Signature
.NET source code contains potential unpacker
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 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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 719577 Sample: tly3CoUr18.exe Startdate: 10/10/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AntiVM3 2->38 40 6 other signatures 2->40 10 tly3CoUr18.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\tly3CoUr18.exe.log, ASCII 10->30 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 14 tly3CoUr18.exe 10->14         started        17 tly3CoUr18.exe 10->17         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.kitzfloor.tirol 81.19.154.98, 49698, 80 WORLD4YOUAT Austria 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 23 cscript.exe 19->23         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 23->44 46 Maps a DLL or memory area into another process 23->46 48 Tries to detect virtualization through RDTSC time measurements 23->48 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ab3b50c41ba9885ead7fa4556748af2f6d6f5a111186499238b41293583805af/
Threat name:
ByteCode-MSIL.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2022-10-10 15:51:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vm5vbra3vgef5ll7urkwosfpf5ww6wqrcgdeterywqjjgwbyawxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ey84 rat spyware stealer trojan
Link:
https://tria.ge/reports/221010-tag5nscfep/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ab3b50c41ba9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/ab3b50c41ba9885ead7fa4556748af2f6d6f5a111186499238b41293583805af

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe ab3b50c41ba9885ead7fa4556748af2f6d6f5a111186499238b41293583805af

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2355208/
Cape
Cape
https://www.capesandbox.com/analysis/318574/

Comments


Avatar
zbet commented on 2022-10-10 15:50:40 UTC

url : hxxp://208.67.105.179/emizzyzx.exe