54ac954bac8f66fe4a3f8f7f353f7488c143bd0a0f4551c5f3b82aa5496828a3

Analysis

max time kernel
149s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 19:59

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General

Target

1a38cf2a375286b598ae9a6b2de1d1a0_NEIKI.exe
Size

46KB
MD5

1a38cf2a375286b598ae9a6b2de1d1a0
SHA1

120d2903352584a572603e30cf8fab31bc5be1c9
SHA256

54ac954bac8f66fe4a3f8f7f353f7488c143bd0a0f4551c5f3b82aa5496828a3
SHA512

46f6436e1fdc1e7e8f8c4c5aed2ead4b27b625c1175615685c6c08dce5c6f922b23f2f5caae578e06459f93361c7add9a89b8df76eb9c3392627c8c74f346fd7
SSDEEP

768:n8eRH+MlFh0pXrL4i6sh7iQroCHmmbk2N+:n9l+Gi6sh7iQroCLN+

Score

7^/10

upx

Malware Config

Signatures

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-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation	1a38cf2a375286b598ae9a6b2de1d1a0_NEIKI.exe

Executes dropped EXE 1 IoCs

pid	Process
956	bkgrnd.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3916-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x000c000000023b4d-7.dat	upx
behavioral2/memory/3916-11-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/956-21-0x0000000000400000-0x000000000040F000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 956	3916	1a38cf2a375286b598ae9a6b2de1d1a0_NEIKI.exe	83
PID 3916 wrote to memory of 956	3916	1a38cf2a375286b598ae9a6b2de1d1a0_NEIKI.exe	83
PID 3916 wrote to memory of 956	3916	1a38cf2a375286b598ae9a6b2de1d1a0_NEIKI.exe	83

C:\Users\Admin\AppData\Local\Temp\1a38cf2a375286b598ae9a6b2de1d1a0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\1a38cf2a375286b598ae9a6b2de1d1a0_NEIKI.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe
  "C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe"
  2⤵
  - Executes dropped EXE
  PID:956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe

Filesize
46KB

MD5
455c544849ed0264ea9e14e96c86af1b

SHA1
40fdeae717d4f5f5acb0e15f86d2d4b5040bf1b7

SHA256
b47dcafb2d58f3aa4fca5f2f5e597e440059fed976b7213c338fe4f3db2d11b7

SHA512
24a9c411f9cda07e2927ee768b70ed6c8d4635f90a21eee16a5aae36c7f69c1e3db38e15434b0964f9d3837927c964dd662f2f9e60f1b11a2028cd1b888180e0

Download Submit
memory/956-21-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3916-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3916-1-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/3916-2-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/3916-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download