MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acb0ec13d308fba63fbc5fd12a66d4f72e61692bcb04bd051ec7844aed438e3e. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
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SHA256 hash: acb0ec13d308fba63fbc5fd12a66d4f72e61692bcb04bd051ec7844aed438e3e
SHA3-384 hash: 0a9475d9b8c309f89e5b9f77fd36a20342c79a2390e28e2a88b0b4a4f5a48884dcf370aad24ef4b53d6a26e484de03b9
SHA1 hash: 0b594bbf1ab5059aa9f04df430634d35e9651e3a
MD5 hash: 21c94e7d74d2b52a42e9304b875e69d3
humanhash: ink-illinois-lion-arkansas
File name:21c94e7d74d2b52a42e9304b875e69d3
Download: download sample
Signature Formbook
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File size:1'120'256 bytes
First seen:2022-08-15 14:05:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:x8g0qxCqbMSEy8yaNBrAIXSwOVm7hlkxyDWQloajWLSB1y0yJax:x8g0qxVVGNBrAICwEx/Qzq0Ca
TLSH T15B351251B1F04A99D54F51BB689B88701D82BDF8D4A2110E328B3E3B75633631DA7E8F
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 79e4e4ccccc4c4c0 (11 x Formbook, 9 x RedLineStealer, 3 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Shipment Documents.docx
Verdict:
Malicious activity
Analysis date:
2022-08-12 05:40:54 UTC
Tags:
generated-doc trojan opendir loader exploit CVE-2017-11882 formbook stealer
Link:
https://app.any.run/tasks/825bace3-ad5f-4165-9d6f-e39acf8a41fa

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/298681/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1492.22923.10200.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62fa52dc810e2831b74c6747/reports/219e3fc2-0f16-4996-b8ab-978fd823dffc/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/a502f389-ccc7-449f-9adf-d8dcad0c7844
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051585
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 684095 Sample: wyTQoVOgE1 Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 7 other signatures 2->38 10 wyTQoVOgE1.exe 2 2->10         started        process3 file4 30 C:\Users\user\AppData\...\wyTQoVOgE1.exe.log, ASCII 10->30 dropped 44 Encrypted powershell cmdline option found 10->44 46 Tries to detect virtualization through RDTSC time measurements 10->46 48 Injects a PE file into a foreign processes 10->48 14 wyTQoVOgE1.exe 10->14         started        17 powershell.exe 15 10->17         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 19 explorer.exe 14->19 injected 21 conhost.exe 17->21         started        process8 process9 23 wlanext.exe 19->23         started        signatures10 40 Maps a DLL or memory area into another process 23->40 42 Tries to detect virtualization through RDTSC time measurements 23->42 26 cmd.exe 1 23->26         started        process11 process12 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/acb0ec13d308fba63fbc5fd12a66d4f72e61692bcb04bd051ec7844aed438e3e/
Threat name:
ByteCode-MSIL.Downloader.Tnega
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Status:
Malicious
First seen:
2022-08-12 10:47:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
30 of 41 (73.17%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vsyoye6tbd52mp54l7isuzwu64xgc2jlzmcl2bi6y6cev3kdry7a._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:s3s3 rat spyware stealer trojan
Link:
https://tria.ge/reports/220815-redxpsede4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
1bf908719452387dafc69c84dfefbf9ae8a923c077211788f79ed463c1a20b15
MD5 hash:
1bba8ca4855ce030c184f0b314eda7d9
SHA1 hash:
30eedb273106df4f4ccea102f1300bdf654c4ce6
Link:
https://www.unpac.me/results/f03612c6-3537-4d9a-a917-9b67b135b0a2/
SH256 hash:
a6acfe617040a5005be0d1675756dc9f09596d3bb2bb3ebc8a2c6881b8c4cfd7
MD5 hash:
db843358b89f4074346cab346720ab06
SHA1 hash:
94d77a5f2d66f20baf557ad30c3ab284665980d9
Link:
https://www.unpac.me/results/f03612c6-3537-4d9a-a917-9b67b135b0a2/
SH256 hash:
072f4f8ae3bf501da1075c9689b1e76d2f3def6d05686be3af0f8a90f965d784
MD5 hash:
9d3c6d818a558a5718f0bc65bb953efb
SHA1 hash:
0631e3047afd1443452de5d323f2910eb371b75f
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/f03612c6-3537-4d9a-a917-9b67b135b0a2/
Parent samples :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 hash:
c1034de228a42cea1e9cf66bcfaa989f9dd83b81a6f60eef6ec632d2f0b68991
MD5 hash:
57e42f918e35409bb0a5fb963bd6ef46
SHA1 hash:
b2255cddfb9f992c773c77cb730d0d5249ddae1e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f03612c6-3537-4d9a-a917-9b67b135b0a2/
SH256 hash:
acb0ec13d308fba63fbc5fd12a66d4f72e61692bcb04bd051ec7844aed438e3e
MD5 hash:
21c94e7d74d2b52a42e9304b875e69d3
SHA1 hash:
0b594bbf1ab5059aa9f04df430634d35e9651e3a
Link:
https://www.unpac.me/results/f03612c6-3537-4d9a-a917-9b67b135b0a2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/acb0ec13d308fba63fbc5fd12a66d4f72e61692bcb04bd051ec7844aed438e3e

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
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Rule name:Skystars_Malware_Imphash
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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 acb0ec13d308fba63fbc5fd12a66d4f72e61692bcb04bd051ec7844aed438e3e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2272959/
Cape
Cape
https://www.capesandbox.com/analysis/298681/

Comments


Avatar
zbet commented on 2022-08-15 14:05:45 UTC

url : hxxp://109.206.241.93/200/vbc.exe