MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6bbfa5ab7aa24cf9fe44b50930dc21142387d590c988004fdb0d3b40df3ed1fa. 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 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6bbfa5ab7aa24cf9fe44b50930dc21142387d590c988004fdb0d3b40df3ed1fa
SHA3-384 hash: f4ff1ecf72d19c0644eb9de63cea7394c44a9e67bae43e698ee574862d279761fb42e5d3a598e0287f5fd4d44d76890f
SHA1 hash: ab21d94001b31172bbd3f90f42060b2abf4fd9cf
MD5 hash: ea2563ff422cad26f71912468cc5ff03
humanhash: quiet-three-violet-island
File name:ea2563ff422cad26f71912468cc5ff03
Download: download sample
Signature Formbook
Create hunting rule
File size:408'560 bytes
First seen:2022-10-03 14:37:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:JbGL3X5XA7MJJhPM2Eun3bpFUnUrbQSqKKi:ILX5XA7MJzP/Egt0Urb1q/
TLSH T1989408F0317D83C3D1A58EB11FCA8AB075F175ADA8C0520DA0F59B2E93D2395249D9FA
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 d4a6a494a48484a4 (65 x AgentTesla, 39 x Formbook, 8 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/316149/
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.50.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Searching for synchronization primitives
Setting browser functions hooks
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
80%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/633af3cb99fe0d0e18e84ad6/reports/47f74617-a0a4-471b-9caa-29c7a64834f6/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/4adb0461-0a43-4cfa-babb-b33231e61b6b
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1082569
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
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 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 detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 715126 Sample: 1dgTYi66mV.exe Startdate: 03/10/2022 Architecture: WINDOWS Score: 100 34 Multi AV Scanner detection for domain / URL 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 6 other signatures 2->40 10 1dgTYi66mV.exe 1 2->10         started        process3 file4 28 C:\Users\user\AppData\...\1dgTYi66mV.exe.log, CSV 10->28 dropped 48 Writes to foreign memory regions 10->48 50 Allocates memory in foreign processes 10->50 52 Injects a PE file into a foreign processes 10->52 14 cvtres.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 2 other signatures 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.zzxryiq.com 205.198.215.181, 49739, 80 ICT-AS-APAnppleTechEnterpriseMY United States 17->30 32 www.qczt.mom 188.114.97.3, 49737, 80 CLOUDFLARENETUS European Union 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/6bbfa5ab7aa24cf9fe44b50930dc21142387d590c988004fdb0d3b40df3ed1fa/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-10-03 14:38:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=no72lk32ujgpt7sewuetbxbbcqrypvmqzgeaat63bu5ubxz62h5a._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:u2s7 rat spyware stealer trojan
Link:
https://tria.ge/reports/221003-rzpvpsbddl/
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
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0e18e22e-ccce-4414-9865-1344c0462693
Unpacked files
SH256 hash:
69c0e32137addeecc0b6684d8b571302e32395bd3d611f2a24160d79e36ecc21
MD5 hash:
c03e9d179a6d2228e6623f8dc0fe7440
SHA1 hash:
05844fec2f0e617f93d75a9dcd1324339d017373
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/8d40c58d-86b2-4153-920b-3ad0853d9ebc/
SH256 hash:
abf0a6d5924677389390bf7424beb0d8860ae3f383525c6ab9e9174d4a4b77e5
MD5 hash:
579ca2eb804bf928c9f1d508a1445ba7
SHA1 hash:
4f74fecf548571be9bac385e2c281f8ba20be50d
Link:
https://www.unpac.me/results/8d40c58d-86b2-4153-920b-3ad0853d9ebc/
SH256 hash:
c8a113f4a247a6424208be28e2e2ade4ad862999caed76c1d39ce426e1c0aa40
MD5 hash:
13bda2deebf7f5ef091522ec2be9ded4
SHA1 hash:
2af1d935faa9e04eabe067f36acdf0486a234d8f
Link:
https://www.unpac.me/results/8d40c58d-86b2-4153-920b-3ad0853d9ebc/
SH256 hash:
6bbfa5ab7aa24cf9fe44b50930dc21142387d590c988004fdb0d3b40df3ed1fa
MD5 hash:
ea2563ff422cad26f71912468cc5ff03
SHA1 hash:
ab21d94001b31172bbd3f90f42060b2abf4fd9cf
Link:
https://www.unpac.me/results/8d40c58d-86b2-4153-920b-3ad0853d9ebc/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6bbfa5ab7aa2/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/6bbfa5ab7aa24cf9fe44b50930dc21142387d590c988004fdb0d3b40df3ed1fa

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
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Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
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Rule name:RansomwareTest8
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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 6bbfa5ab7aa24cf9fe44b50930dc21142387d590c988004fdb0d3b40df3ed1fa

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2346138/
Cape
Cape
https://www.capesandbox.com/analysis/316149/

Comments


Avatar
zbet commented on 2022-10-03 14:37:17 UTC

url : hxxp://208.67.105.179/ugopoundzx.exe