MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1aa23a53ad457b7a374cba2c3e378f486a7887dffd8791292a1bf3d8124ac25c. 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



Kimsuky


Vendor detections: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: 1aa23a53ad457b7a374cba2c3e378f486a7887dffd8791292a1bf3d8124ac25c
SHA3-384 hash: 4d2e53f7ba8d98cb54b6fb0944367d6315bd442ea1bb1d79e81a1599c45aea1c72607bcc2b5e26d4ed75bc40f9af106f
SHA1 hash: cb423152dabac81f16cce96e88ed652e35df3ffa
MD5 hash: a0da19cc8a52507da231ddf0a2e1ff87
humanhash: east-cat-mexico-tennis
File name:1aa23a53ad457b7a374cba2c3e378f486a7887dffd8791292a1bf3d8124ac25c
Download: download sample
Signature Kimsuky
File size:555'008 bytes
First seen:2022-03-18 09:50:48 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 90dcbe2e0bef8b958f33035fda796b96 (1 x Kimsuky)
ssdeep 12288:Eg3d77HglOpq9uh3W6vyYcz9rYOLfkDMqwjfcao:Eg3RjgqqiY9lLF1jBo
Threatray 6'058 similar samples on MalwareBazaar
TLSH T182C423C6BA687C7ED0AB077B8E1D9D0CF41010681D75CF7B9F02545AD8626813ABB8B7
Reporter JAMESWT_WT
Tags:dll Kimsuky

Intelligence


File Origin
# of uploads :
1
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Running batch commands
Using the Windows Management Instrumentation requests
Launching a tool to kill processes
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
explorer.exe packed shell32.dll winnti
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to inject code into remote processes
Detected VMProtect packer
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Call by Ordinal
Sigma detected: Suspicious Svchost Process
Writes to foreign memory regions
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 592304 Sample: Le3p89cmMH Startdate: 18/03/2022 Architecture: WINDOWS Score: 100 87 Malicious sample detected (through community Yara rule) 2->87 89 Antivirus detection for dropped file 2->89 91 Antivirus / Scanner detection for submitted sample 2->91 93 6 other signatures 2->93 9 loaddll32.exe 1 2->9         started        11 rundll32.exe 2->11         started        13 rundll32.exe 2->13         started        process3 process4 15 rundll32.exe 5 9->15         started        18 rundll32.exe 5 9->18         started        20 rundll32.exe 7 9->20         started        23 cmd.exe 1 9->23         started        25 rundll32.exe 11->25         started        27 rundll32.exe 13->27         started        file5 103 Writes to foreign memory regions 15->103 105 Allocates memory in foreign processes 15->105 107 Injects a PE file into a foreign processes 15->107 29 svchost.exe 9 15->29         started        32 svchost.exe 18->32         started        69 C:\Users\user\AppData\Roaming\...\Ahnlab~.dll, PE32 20->69 dropped 71 C:\Users\user\...\Ahnlab~.dll:Zone.Identifier, ASCII 20->71 dropped 34 cmd.exe 20->34         started        36 WerFault.exe 20->36         started        38 WerFault.exe 20->38         started        40 rundll32.exe 1 6 23->40         started        42 svchost.exe 25->42         started        44 svchost.exe 27->44         started        signatures6 process7 signatures8 95 Contains functionality to inject code into remote processes 29->95 97 Writes to foreign memory regions 29->97 99 Allocates memory in foreign processes 29->99 101 Injects a PE file into a foreign processes 29->101 46 iexplore.exe 14 29->46         started        49 iexplore.exe 29->49         started        51 iexplore.exe 29->51         started        63 15 other processes 29->63 53 taskkill.exe 1 34->53         started        55 conhost.exe 34->55         started        57 cmd.exe 1 40->57         started        59 WerFault.exe 22 9 40->59         started        61 WerFault.exe 40->61         started        process9 dnsIp10 73 logins-ltm0w7xt.kgslb.com 203.133.167.18, 443, 49769, 49772 DAUM-NETKakaoCorpKR Korea Republic of 46->73 79 3 other IPs or domains 46->79 81 2 other IPs or domains 49->81 75 211.231.99.82, 443, 49801, 49802 KAKAO-AS-KRKakaoCorpKR Korea Republic of 51->75 83 2 other IPs or domains 51->83 65 taskkill.exe 1 57->65         started        67 conhost.exe 57->67         started        77 211.231.99.19, 443, 49862, 49863 KAKAO-AS-KRKakaoCorpKR Korea Republic of 63->77 85 20 other IPs or domains 63->85 process11
Threat name:
Win32.Trojan.Kimsuky
Status:
Malicious
First seen:
2019-09-06 01:40:40 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence spyware stealer vmprotect
Behaviour
Enumerates processes with tasklist
Gathers network information
Gathers system information
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
VMProtect packed file
Unpacked files
SH256 hash:
7e33646974d78834414d063b70797a1484d3d387beb7769d8786ec62890e3018
MD5 hash:
6b6f617b35cbd53dbf1aaff330a3c23d
SHA1 hash:
7dea04fb831175a4df722189d9739c5f54de8efc
SH256 hash:
1aa23a53ad457b7a374cba2c3e378f486a7887dffd8791292a1bf3d8124ac25c
MD5 hash:
a0da19cc8a52507da231ddf0a2e1ff87
SHA1 hash:
cb423152dabac81f16cce96e88ed652e35df3ffa
Please note that we are no longer able to provide a coverage score for Virus Total.

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_VMProtect
Author:ditekSHen
Description:Detects executables packed with VMProtect.
Rule name:Winnti_NlaifSvc
Author:Florian Roth
Description:Winnti sample - file NlaifSvc.dll
Reference:https://goo.gl/VbvJtL
Rule name:Winnti_NlaifSvc_RID2CFF
Author:Florian Roth
Description:Winnti sample - file NlaifSvc.dll
Reference:https://goo.gl/VbvJtL

File information


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

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