04d5d922bf6c33f078ef08d4394a368f91260b4a3bfe2d6808e863a8cc728cf3

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2024, 17:19

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General

Target

5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe
Size

83KB
MD5

5ab8b9095f29fab12b0c8c37f9340700
SHA1

9bbc53625250facc9f31e4223e2aeb5786b37432
SHA256

04d5d922bf6c33f078ef08d4394a368f91260b4a3bfe2d6808e863a8cc728cf3
SHA512

dd54356ee2401716f0454a7054e5761ee66f4e03d8bb2fd8941c714de66449f5e4e851b81fab4da08c47544e6246dc5fda6f87207495da7d5f06b4749e885829
SSDEEP

1536:yr3Z5IfQmv81a7pP1xF3yX2tM/jTEwwwEiiiiy:WJOfQm01q9X3yX2q/jTj

Score

8^/10

evasion upx

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
3380	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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe

Executes dropped EXE 1 IoCs

pid	Process
752	wkmhost.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3104-0-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/files/0x0008000000022f51-4.dat	upx
behavioral2/memory/3104-5-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/752-6-0x0000000000400000-0x0000000000416000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\wkmhost.exe	attrib.exe
File created	C:\Windows\Debug\wkmhost.exe	5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe
File opened for modification	C:\Windows\Debug\wkmhost.exe	5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wkmhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wkmhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3104	5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 3380	3104	5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe	84
PID 3104 wrote to memory of 3380	3104	5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe	84
PID 3104 wrote to memory of 3380	3104	5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe	84
PID 3104 wrote to memory of 1752	3104	5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe	89
PID 3104 wrote to memory of 1752	3104	5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe	89
PID 3104 wrote to memory of 1752	3104	5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe	89

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3380	attrib.exe

C:\Users\Admin\AppData\Local\Temp\5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\5ab8b9095f29fab12b0c8c37f9340700_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3104
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\wkmhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:3380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\5AB8B9~1.EXE > nul
  2⤵
  PID:1752

C:\Windows\Debug\wkmhost.exe
C:\Windows\Debug\wkmhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:752

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\wkmhost.exe

Filesize
83KB

MD5
17c5093ead0e00584458ad806009b309

SHA1
61275595700c2c06288b8ce5edaafc8f47937143

SHA256
435a8d932c18d837373980887cd8576906448fba15a7ab9e1a4cfcfd3cb14cc8

SHA512
7c614ca948e305b8875352fc1da1aeab23e8a3b27c03d3d050beddc3ea1d336fda39e27f561d2356edea1788cbf29b7d305f0e61590ee4cd29fea6bf299a65f0

Download Submit
memory/752-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3104-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3104-5-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads