MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2cfdb4ff5c27aa1a10a7748bf005f03d7d3562257eb10c434456ae77917898d. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: e2cfdb4ff5c27aa1a10a7748bf005f03d7d3562257eb10c434456ae77917898d
SHA3-384 hash: 7b1a4ad43599710731a23816a7f76dcbd9a4ea302008f68a637e6f4692363e7fb76a25973f4c54bb9bac48010dcbd565
SHA1 hash: e35e7adc89881ee07de3dba86daa715f9224dffe
MD5 hash: 8c28ee7402f2333f59c8157296e46543
humanhash: golf-lemon-blue-music
File name:e2cfdb4ff5c27aa1a10a7748bf005f03d7d3562257eb10c434456ae77917898d
Download: download sample
Signature Kimsuky
File size:578'048 bytes
First seen:2022-03-18 09:50:19 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 4b7ba9e147c5218ee6b4969e44d6b6a0 (1 x Kimsuky)
ssdeep 12288:JMM24IqdrUfRi7murOQIqdf9Zsh7ovmjChM7qBVEh+Z:2MVIqdrwimurOQfZra8iuM7q6+Z
Threatray 6'258 similar samples on MalwareBazaar
TLSH T14EC423CCF5DDCEF1CBA316BB64E2967DB934FE64743D48888B80821666BD614C1E03A5
Reporter JAMESWT_WT
Tags:dll Kimsuky

Intelligence


File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Searching for the window
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 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 dnsIp2 2 Behavior Graph ID: 592306 Sample: N1ZBXUKRF3 Startdate: 18/03/2022 Architecture: WINDOWS Score: 100 73 mail2.daum.net 2->73 75 mail.daum.net 2->75 77 4 other IPs or domains 2->77 101 Malicious sample detected (through community Yara rule) 2->101 103 Antivirus detection for dropped file 2->103 105 Antivirus / Scanner detection for submitted sample 2->105 107 6 other signatures 2->107 11 loaddll32.exe 1 2->11         started        13 rundll32.exe 2->13         started        15 rundll32.exe 2->15         started        signatures3 process4 process5 17 rundll32.exe 5 11->17         started        20 rundll32.exe 7 11->20         started        23 rundll32.exe 5 11->23         started        25 cmd.exe 1 11->25         started        27 rundll32.exe 5 13->27         started        file6 95 Writes to foreign memory regions 17->95 97 Allocates memory in foreign processes 17->97 99 Injects a PE file into a foreign processes 17->99 29 svchost.exe 10 17->29         started        69 C:\Users\user\AppData\...\iertutil.dll, PE32 20->69 dropped 71 C:\Users\...\iertutil.dll:Zone.Identifier, ASCII 20->71 dropped 32 cmd.exe 20->32         started        34 WerFault.exe 19 9 20->34         started        37 svchost.exe 23->37         started        39 rundll32.exe 1 6 25->39         started        41 svchost.exe 27->41         started        signatures7 process8 dnsIp9 115 Contains functionality to inject code into remote processes 29->115 117 Writes to foreign memory regions 29->117 119 Allocates memory in foreign processes 29->119 121 Injects a PE file into a foreign processes 29->121 43 iexplore.exe 14 29->43         started        46 iexplore.exe 29->46         started        48 iexplore.exe 29->48         started        50 conhost.exe 32->50         started        52 taskkill.exe 1 32->52         started        79 192.168.2.1 unknown unknown 34->79 54 cmd.exe 1 39->54         started        56 WerFault.exe 6 9 39->56         started        58 RuntimeBroker.exe 39->58         started        signatures10 process11 dnsIp12 81 accounts-ec2avpvy.kgslb.com 211.231.99.67, 443, 49773, 49775 KAKAO-AS-KRKakaoCorpKR Korea Republic of 43->81 83 logins-ltm0w7xt.kgslb.com 211.231.99.82, 443, 49766, 49776 KAKAO-AS-KRKakaoCorpKR Korea Republic of 43->83 89 6 other IPs or domains 43->89 85 211.231.99.19, 443, 49835, 49838 KAKAO-AS-KRKakaoCorpKR Korea Republic of 46->85 87 110.76.142.110, 443, 49836, 49837 KAKAO-45991-AS-KRKakaoCorpKR Korea Republic of 46->87 91 4 other IPs or domains 46->91 93 5 other IPs or domains 48->93 60 rundll32.exe 50->60         started        63 taskkill.exe 1 54->63         started        65 conhost.exe 54->65         started        process13 signatures14 109 Writes to foreign memory regions 60->109 111 Allocates memory in foreign processes 60->111 113 Injects a PE file into a foreign processes 60->113 67 svchost.exe 60->67         started        process15
Threat name:
Win32.Trojan.Kimsuky
Status:
Malicious
First seen:
2022-01-11 07:32:00 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: GetForegroundWindowSpam
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:
d839ddcbcc27e0220c8549e0e2c95e891c58248aca24bc51db8e41322f986e69
MD5 hash:
86230fff9af2f98f2df0121f8e50247d
SHA1 hash:
c90dadd74b4f4a03ce6135d03a44c236b5a678c1
SH256 hash:
e2cfdb4ff5c27aa1a10a7748bf005f03d7d3562257eb10c434456ae77917898d
MD5 hash:
8c28ee7402f2333f59c8157296e46543
SHA1 hash:
e35e7adc89881ee07de3dba86daa715f9224dffe
Malware family:
Winnti Group
Verdict:
Malicious
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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