MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1940c82d728454e9a43d2efc7dd0033fcbf58880b32d227830e54a43b885ca3c. 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


ModiLoader


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1940c82d728454e9a43d2efc7dd0033fcbf58880b32d227830e54a43b885ca3c
SHA3-384 hash: 544c8cdc0f7e841c4e87f5149606242d7a8728f700a41cc58141e81e10b71af4f59214f6d8296d9715c51e96b1ef635e
SHA1 hash: c80d972897f9366702def5aa7bbe9a2413e87270
MD5 hash: b33d218f8b9c27960708ec9425ef539b
humanhash: winter-ten-west-blossom
File name:Osskwmk_Signed_.exe
Download: download sample
Signature ModiLoader
Create hunting rule
File size:1'688'176 bytes
First seen:2020-07-29 11:24:22 UTC
Last seen:2020-07-29 12:22:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash cf0ea0762e2b2c1fa6164f23bea45839 (5 x ModiLoader)
ssdeep 49152:+khyzVj7Lxj9WjDZVhlZfyiSCyiSV/CznFw9:+EgyDZVLpi
Threatray 5'188 similar samples on MalwareBazaar
TLSH FD75BF23B2D1F13EC3FA4AF55869BB441918FD302E105C8A71FD3D6ACA32941A9E3759
Reporter abuse_ch
Tags:exe ModiLoader


Avatar
abuse_ch
Malspam distributing ModiLoader:

HELO: Server631.dnslake.com
Sending IP: 185.192.112.31
From: (VIVI) mainline99@163.com <rp@sobhandarou.com>
Reply-To: rp@sobhandarou.com
Subject: Re:OUR INQ. NO. ME254-9021
Attachment: Documents.zip (contains "Osskwmk_Signed_.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34827/
Detection(s):
SecuriteInfo.com.Variant.Bulz.10542.26379.8029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/402430
Signature
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Detected FormBook malware
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)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253581 Sample: Osskwmk_Signed_.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 33 www.xn--49s29u.ink 2->33 35 www.bigboss-marcelo.com 2->35 37 2 other IPs or domains 2->37 43 Malicious sample detected (through community Yara rule) 2->43 45 Yara detected FormBook 2->45 47 Machine Learning detection for sample 2->47 49 2 other signatures 2->49 9 Osskwmk_Signed_.exe 14 2->9         started        signatures3 process4 dnsIp5 39 cdn.discordapp.com 162.159.134.233, 443, 49729 CLOUDFLARENETUS United States 9->39 41 192.168.2.1 unknown unknown 9->41 59 Writes to foreign memory regions 9->59 61 Allocates memory in foreign processes 9->61 63 Creates a thread in another existing process (thread injection) 9->63 65 Injects a PE file into a foreign processes 9->65 13 ieinstal.exe 9->13         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 13->67 69 Maps a DLL or memory area into another process 13->69 71 Queues an APC in another process (thread injection) 13->71 16 explorer.exe 3 13->16 injected process9 dnsIp10 31 www.syrustaveras.com 16->31 19 netsh.exe 1 17 16->19         started        23 ieinstal.exe 16->23         started        25 ieinstal.exe 16->25         started        process11 file12 27 C:\Users\user\AppData\...\9L2logrv.ini, data 19->27 dropped 29 C:\Users\user\AppData\...\9L2logri.ini, data 19->29 dropped 51 Detected FormBook malware 19->51 53 Tries to steal Mail credentials (via file access) 19->53 55 Tries to harvest and steal browser information (history, passwords, etc) 19->55 57 3 other signatures 19->57 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1940c82d728454e9a43d2efc7dd0033fcbf58880b32d227830e54a43b885ca3c/
Threat name:
Win32.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 11:26:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dfamqllsqrkotjb5f36h3uadh7f7lceawmwse6bq4vfehoefzi6a._file
Verdict:
malicious
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74d74e7da724014c17890327f3464b435314f480eb46553723ce0766941b38da
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8ce629f720939b40acc1e571be11a81967e80dd4deb2a2b2a140623d64ea008b
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97d8ae62cb751e857b04d9eaa68ee2acce3d7243009bdb04639a729cdfc7cbf3
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cf6bbd5a9224dcd52aa71c16288945611a3348ca9953f32fa92a4c481c307195
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f01669ff0af4c1b8f4f15985fae94c302537ed8affc5b2fe01534594036218f2
ModiLoader
+ 5'178 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence spyware
Link:
https://tria.ge/reports/200729-53f6p9stx6/
Behaviour
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Modifies system certificate store
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Gathers network information
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Modifies system certificate store
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of web browsers
Adds policy Run key to start application
Adds policy Run key to start application
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Farheyt
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/1940c82d728454e9a43d2efc7dd0033fcbf58880b32d227830e54a43b885ca3c

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:win_dbatloader_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

ModiLoader

zip cd1a53c9f41a3daeefa67599db064df376db30be1fec42033e0bc26b644e6b0e

ModiLoader

Executable exe 1940c82d728454e9a43d2efc7dd0033fcbf58880b32d227830e54a43b885ca3c

(this sample)

  
Dropped by
MD5 b089566ce7fecb5db46a15e86164a3d1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34827/
  
Dropped by
SHA256 cd1a53c9f41a3daeefa67599db064df376db30be1fec42033e0bc26b644e6b0e

Comments