0394fcbb537f3ea8151d72a19b40a6875f50eaf7b80e10b6e519446cc4d4a2a8

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2023, 06:37

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General

Target

NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe
Size

66KB
MD5

4d9d18d1b2e903e58cbb6baa1b4003a0
SHA1

1fbec24e91555d50f8dd79fda84af3af6787c1c8
SHA256

0394fcbb537f3ea8151d72a19b40a6875f50eaf7b80e10b6e519446cc4d4a2a8
SHA512

638f1e4d0c70a428e334f2daf2cf15a2db4bc6c25d70f70b25fa98c7124ee81d6a54bc143e9bd29dbeb586bfeb3cd1e6b786cee1dbc181021373145b38448dca
SSDEEP

768:TrItKyw5WHXfQmjIiIk9ecAa0Mb96SyX1DLdRXXX4:Tr3Z5IfQmv81ar1yXtZK

Score

8^/10

evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
1296	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation	NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4884	ksqhost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\ksqhost.exe	NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe
File opened for modification	C:\Windows\Debug\ksqhost.exe	NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe
File opened for modification	C:\Windows\Debug\ksqhost.exe	attrib.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4484	NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 1296	4484	NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe	86
PID 4484 wrote to memory of 1296	4484	NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe	86
PID 4484 wrote to memory of 1296	4484	NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe	86
PID 4484 wrote to memory of 3452	4484	NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe	92
PID 4484 wrote to memory of 3452	4484	NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe	92
PID 4484 wrote to memory of 3452	4484	NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe	92

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1296	attrib.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.4d9d18d1b2e903e58cbb6baa1b4003a0_JC.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4484
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\ksqhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:1296
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\NEAS4D~1.EXE > nul
  2⤵
  PID:3452

C:\Windows\Debug\ksqhost.exe
C:\Windows\Debug\ksqhost.exe
1⤵
- Executes dropped EXE
PID:4884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Debug\ksqhost.exe

Filesize
66KB

MD5
e81b72f2775f4e4269abea121875e163

SHA1
43df69af91949c6a6e55e65a0fc08ab3f6a69efc

SHA256
6aa94e5b312e1d4d0b44a1e20ff4c45e2daea5f77e2d1dca5b4fd6d80dacf0cb

SHA512
f92016bf3f2ddd0fc1b39687a14690363844698068a63c8e8afaefc946c8e41b02e3d4060c4cee9d852d5fd8d8b11e5e29ce73f13561ecc5ac499661a6be4c64

Download Submit
C:\Windows\debug\ksqhost.exe

Filesize
66KB

MD5
e81b72f2775f4e4269abea121875e163

SHA1
43df69af91949c6a6e55e65a0fc08ab3f6a69efc

SHA256
6aa94e5b312e1d4d0b44a1e20ff4c45e2daea5f77e2d1dca5b4fd6d80dacf0cb

SHA512
f92016bf3f2ddd0fc1b39687a14690363844698068a63c8e8afaefc946c8e41b02e3d4060c4cee9d852d5fd8d8b11e5e29ce73f13561ecc5ac499661a6be4c64

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads