MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a660d27e5c230dc07725cde5222c679ca2b402835395815ca28ac5334b8b6f1. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a660d27e5c230dc07725cde5222c679ca2b402835395815ca28ac5334b8b6f1
SHA3-384 hash: 27426f75135c2497dbd28d25ed6361fb7f00533bf442b61d349411fa25ac54479df3f447b5db4629223b7ab4a97c7519
SHA1 hash: 2752f275348fff4c332dbd90a9b5f9cba79e8250
MD5 hash: 0567e4ba0021cb0be78e1c609fca1e9b
humanhash: rugby-east-six-summer
File name:0567e4ba0021cb0be78e1c609fca1e9b
Download: download sample
Signature Formbook
Create hunting rule
File size:956'416 bytes
First seen:2023-02-16 05:16:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:Rpz/kV2K1ntFxjkgfOciIyLl8L8yWZQ7CwYU:r/mThtFPfOcibR8LOQ7dYU
TLSH T1D815591033A9A715FAF76BF01DB1808187BA7E6AB93DD26D1D8511CD1D31F618B20BA3
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Enquiry 220062 Krause K + K GmbH Armaturenfabrik.xls
Verdict:
Malicious activity
Analysis date:
2023-02-15 15:16:26 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/6bbb6bb9-5750-4b7e-9fa9-4a785e5707ff

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/367000/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
50%
Tags:
packed
Link:
https://www.filescan.io/uploads/63edbc50cc8a53ea10edbd76/reports/56533af0-1afc-4c3f-913c-b4846e5d4c2b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3a660d27e5c230dc07725cde5222c679ca2b402835395815ca28ac5334b8b6f1
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/01c27e7c-e8af-4b74-91be-669623c59520
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1176614
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Machine Learning detection for dropped file
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)
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 809418 Sample: uTxzAzWLSf.exe Startdate: 16/02/2023 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 5 other signatures 2->58 8 uTxzAzWLSf.exe 7 2->8         started        12 lmFlgX.exe 5 2->12         started        process3 file4 38 C:\Users\user\AppData\Roaming\lmFlgX.exe, PE32 8->38 dropped 40 C:\Users\user\...\lmFlgX.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp3771.tmp, XML 8->42 dropped 44 C:\Users\user\AppData\...\uTxzAzWLSf.exe.log, ASCII 8->44 dropped 68 Uses schtasks.exe or at.exe to add and modify task schedules 8->68 70 Adds a directory exclusion to Windows Defender 8->70 14 uTxzAzWLSf.exe 8->14         started        17 powershell.exe 21 8->17         started        19 schtasks.exe 1 8->19         started        72 Multi AV Scanner detection for dropped file 12->72 74 Machine Learning detection for dropped file 12->74 21 schtasks.exe 1 12->21         started        23 lmFlgX.exe 12->23         started        signatures5 process6 signatures7 78 Modifies the context of a thread in another process (thread injection) 14->78 80 Maps a DLL or memory area into another process 14->80 82 Sample uses process hollowing technique 14->82 84 Queues an APC in another process (thread injection) 14->84 25 explorer.exe 1 14->25 injected 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        process8 dnsIp9 46 www.fuzkit.online 199.192.27.238, 49710, 49711, 49712 NAMECHEAP-NETUS United States 25->46 48 www.arizonafilm.org 96.126.123.244, 49697, 80 LINODE-APLinodeLLCUS United States 25->48 50 5 other IPs or domains 25->50 76 System process connects to network (likely due to code injection or exploit) 25->76 35 systray.exe 13 25->35         started        signatures10 process11 signatures12 60 Tries to steal Mail credentials (via file / registry access) 35->60 62 Tries to harvest and steal browser information (history, passwords, etc) 35->62 64 Modifies the context of a thread in another process (thread injection) 35->64 66 Maps a DLL or memory area into another process 35->66
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a660d27e5c230dc07725cde5222c679ca2b402835395815ca28ac5334b8b6f1/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2023-02-15 12:23:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
40
AV detection:
15 of 25 (60.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hjta2j7fyiynyb3sltpfeiwgphfcwqbigu4vqfokfcwfgnfyw3yq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230216-fyp9asga29/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
6bbe29beded7a01a6c0cb4a45dbda2ab26f6eb2935ab66b29f363b1509ac0519
MD5 hash:
ed640a21e80200ff069bee1cd1315fd3
SHA1 hash:
a474f8d43ddac4e0437ac83c62573bf1c5bf6f5a
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c88e72de-c010-453d-bb0e-5b486d620eaf/
Parent samples :
3e0cdcdaa9cf3c06e4f5c28a4d7878f8bd60265f2b7e9a8eb88a6f13b75435b7
e084bbd5502e2fe6fd3ac6ad41fc88f2d09ffc89d24e8d34107c83db76d0ff98
18c5a2b418c466198a812c3c1cf4d45e85b2db2acba84739d4ab4e299814caf5
3a660d27e5c230dc07725cde5222c679ca2b402835395815ca28ac5334b8b6f1
f34101ff83317586693f070a42c11d7e09f5588f4748258830f5475b3ebf227d
SH256 hash:
5cce4d18007b6fb8cf3377c795dcfebb18cc3b5dabc11b09334c8ed7191231b3
MD5 hash:
b3843c7b674a2ebaf1e0f5907c847094
SHA1 hash:
639b742aeb8fd1c34c0b90d677ac259fcd5f899a
Link:
https://www.unpac.me/results/c88e72de-c010-453d-bb0e-5b486d620eaf/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/c88e72de-c010-453d-bb0e-5b486d620eaf/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
cfe177a2d819e08214697b37d3a2854d2e4bf6e3d5f0533596d38b5da0707990
MD5 hash:
09ed04fa1e396ec7c0ee4c5418ba1ce7
SHA1 hash:
81ec6edeb22d172dfab6ac39a8bc5100ccd23a6e
Link:
https://www.unpac.me/results/c88e72de-c010-453d-bb0e-5b486d620eaf/
SH256 hash:
e56aa83b766c4e02fed04d09866eba08cca802d8214d1205117ab2d04f6ffe47
MD5 hash:
bdd5b550cf86a285a8731d5f8e3c64d9
SHA1 hash:
6ea087f7f8e71884820a281594bd78389d3fba06
Link:
https://www.unpac.me/results/c88e72de-c010-453d-bb0e-5b486d620eaf/
SH256 hash:
c12d2628d984c0b8071e1daa76812d8eae5cd9a18dd99eac444ba00d38977501
MD5 hash:
ec47f2cc8cb2264f192660aa1c81f96d
SHA1 hash:
50b322aa2022e5570911ceb2ca39aeaeca91e540
Link:
https://www.unpac.me/results/c88e72de-c010-453d-bb0e-5b486d620eaf/
SH256 hash:
3a660d27e5c230dc07725cde5222c679ca2b402835395815ca28ac5334b8b6f1
MD5 hash:
0567e4ba0021cb0be78e1c609fca1e9b
SHA1 hash:
2752f275348fff4c332dbd90a9b5f9cba79e8250
Link:
https://www.unpac.me/results/c88e72de-c010-453d-bb0e-5b486d620eaf/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3a660d27e5c2/report/overview.html
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/3a660d27e5c230dc07725cde5222c679ca2b402835395815ca28ac5334b8b6f1

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.

Web download

Formbook

Executable exe 3a660d27e5c230dc07725cde5222c679ca2b402835395815ca28ac5334b8b6f1

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2541684/
Cape
Cape
https://www.capesandbox.com/analysis/367000/

Comments


Avatar
zbet commented on 2023-02-16 05:16:22 UTC

url : hxxp://103.170.254.253/explorer/vbc.exe