MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa41d632cd7c8ed80982c6cfa90e964e086ec9c0c78344e76f8f62d9343941d9. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: fa41d632cd7c8ed80982c6cfa90e964e086ec9c0c78344e76f8f62d9343941d9
SHA3-384 hash: 88c54b6dd4641faa01be452f5c6de8b7edabaa94d0a020e2567884c16cbc10f0bc61ba3bf83f6d6d67190dc75dd27750
SHA1 hash: 745a25578da05808886836cbabffacb820779493
MD5 hash: b6485accc7bee4c3a9a4301fe59d2c2a
humanhash: red-yellow-mexico-solar
File name:TT_copy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:526'848 bytes
First seen:2022-04-08 06:39:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:8A9qDNpybeJesZqOxmc4ye7jJ/t1zd6pR8TIH89aEgDt74f4nFiTJrxw:8HQsZbxm3yE1D
Threatray 15'076 similar samples on MalwareBazaar
TLSH T1F6B449EC366171DFC857D872CAA49CB4FA5074BA430BA347B0534AA8AE8C497DF141F6
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
TT_copy.exe
Verdict:
Malicious activity
Analysis date:
2022-04-09 00:34:54 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/6158f12e-036c-43f3-a01f-73d2a15da40e

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/261877/
Detection(s):
SecuriteInfo.com.ArtemisB6485ACCC7BE.24076.13398.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/624fd8c5d53a7479dad82802/reports/63864935-1305-4b8b-b0a5-376bce4d1c1f/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bcb921ef-a2e3-4117-a174-c7c394157f17
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/972918
Signature
C2 URLs / IPs found in malware configuration
Found 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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 605404 Sample: TT_copy.exe Startdate: 08/04/2022 Architecture: WINDOWS Score: 100 35 www.843069.com 2->35 37 843069.com 2->37 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Yara detected AntiVM3 2->53 55 4 other signatures 2->55 11 TT_copy.exe 3 2->11         started        15 explorer.exe 10 2->15         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\TT_copy.exe.log, ASCII 11->33 dropped 67 Tries to detect virtualization through RDTSC time measurements 11->67 69 Injects a PE file into a foreign processes 11->69 17 TT_copy.exe 11->17         started        signatures6 process7 signatures8 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Sample uses process hollowing technique 17->45 47 Queues an APC in another process (thread injection) 17->47 20 explorer.exe 17->20 injected process9 signatures10 57 Uses ipconfig to lookup or modify the Windows network settings 20->57 23 ipconfig.exe 20->23         started        process11 signatures12 59 Self deletion via cmd delete 23->59 61 Modifies the context of a thread in another process (thread injection) 23->61 63 Maps a DLL or memory area into another process 23->63 65 Tries to detect virtualization through RDTSC time measurements 23->65 26 explorer.exe 1 133 23->26         started        29 cmd.exe 1 23->29         started        process13 dnsIp14 39 192.168.2.1 unknown unknown 26->39 31 conhost.exe 29->31         started        process15
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/fa41d632cd7c8ed80982c6cfa90e964e086ec9c0c78344e76f8f62d9343941d9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-08 06:40:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
25 of 42 (59.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7ja5mmwnpshnqcmcy3h2sduwjyeg5soay6bujz3pr5rnsnbzihmq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
459c86bf11535b9d62c895a6677a5eb40d8f0cf3136477e5da746045bf3fb6a3
Formbook
589713496bc1f527bbccff193646a94b310124f01cd15b36f633a8b7d6686fb3
Formbook
86df15ac78abc1d224a4249db72d29dcb2979fd0669a15c0d291e47648dc0c1c
Formbook
94384e9eb5a340cf1d261e7a752e4b7c189857a9815629fe38bfaf7052bd5829
Formbook
9d6b789a2ad972a6aabefaad543608e0608f6c94b127eceee7b441bace6b7958
Formbook
9e4e02725cde43b4da85cdf054b11ad0e4a622bb54f4a967b1634ebcaea9666a
Formbook
c46f804f0a1b6899f11e3360a430d67a4bde7c7d677cc718b344753d1318636a
Formbook
e745791e3faad64dc3c475e87b458ac60853d5ca429a32b812c6bacbc841ef99
Formbook
+ 15'066 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ioxf loader rat suricata
Link:
https://tria.ge/reports/220408-he7qcaeeeq/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
ad53acae071367ed26937b96492c12c2a9f78390eab755a424431b516908a634
MD5 hash:
7a7a0f11b730ba5f5ee0fcfb39f37236
SHA1 hash:
a1709817e2f25f48dafbe63ae1cae130e69e2d1d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/fb3b30b2-95e9-4fed-a706-fd653c573cde/
Parent samples :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 hash:
a5edd8977708a966bc93473350a6a42d5f10e0c189a3d31a82bb7ef9a737262e
MD5 hash:
44661d0de48a4bc39c2990d1c54a388d
SHA1 hash:
6709e6277a62b3515ff5b000730c2075ef724e34
Link:
https://www.unpac.me/results/fb3b30b2-95e9-4fed-a706-fd653c573cde/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/fb3b30b2-95e9-4fed-a706-fd653c573cde/
SH256 hash:
fa41d632cd7c8ed80982c6cfa90e964e086ec9c0c78344e76f8f62d9343941d9
MD5 hash:
b6485accc7bee4c3a9a4301fe59d2c2a
SHA1 hash:
745a25578da05808886836cbabffacb820779493
Link:
https://www.unpac.me/results/fb3b30b2-95e9-4fed-a706-fd653c573cde/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fa41d632cd7c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/fa41d632cd7c8ed80982c6cfa90e964e086ec9c0c78344e76f8f62d9343941d9

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
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.

Malspam

Formbook

Executable exe fa41d632cd7c8ed80982c6cfa90e964e086ec9c0c78344e76f8f62d9343941d9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/261877/

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