d82d14016eee7792f941661e9436789d63bb20215d106fc0a713e84364438bfe

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 23:08

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General

Target

5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe
Size

134KB
MD5

5ee12198bba17024d3c69cecfb78d2f0
SHA1

1c2761917c73af345e6475ab3b0c858c0344121a
SHA256

d82d14016eee7792f941661e9436789d63bb20215d106fc0a713e84364438bfe
SHA512

ece2fb20ac0898ef0901b933eeeec116e4296c12ec8ffd2d21d3867a0c960de279a833cdc823bd3f93351fabb18d096e18c116b08794b84b4fe5fb6a6c7fedcc
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOC:YfU/WF6QMauSuiWNi9eNOl0007NZIOC

Score

7^/10

persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2720	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1708	wuauclt.exe

Loads dropped DLL 1 IoCs

pid	Process
2844	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2844-0-0x0000000001360000-0x0000000001388000-memory.dmp	upx
behavioral1/files/0x0038000000015d6b-2.dat	upx
behavioral1/memory/2844-4-0x0000000000DC0000-0x0000000000DE8000-memory.dmp	upx
behavioral1/memory/1708-7-0x0000000000DC0000-0x0000000000DE8000-memory.dmp	upx
behavioral1/memory/2844-8-0x0000000001360000-0x0000000001388000-memory.dmp	upx
behavioral1/memory/1708-9-0x0000000000DC0000-0x0000000000DE8000-memory.dmp	upx
behavioral1/memory/2844-10-0x0000000001360000-0x0000000001388000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 1708	2844	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	28
PID 2844 wrote to memory of 1708	2844	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	28
PID 2844 wrote to memory of 1708	2844	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	28
PID 2844 wrote to memory of 1708	2844	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	28
PID 2844 wrote to memory of 2720	2844	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	29
PID 2844 wrote to memory of 2720	2844	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	29
PID 2844 wrote to memory of 2720	2844	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	29
PID 2844 wrote to memory of 2720	2844	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	29

C:\Users\Admin\AppData\Local\Temp\5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2844
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1708
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe" >> NUL
  2⤵
  - Deletes itself
  PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\Update\wuauclt.exe

Filesize
134KB

MD5
2f68aadb8c22608acb081c266c3b43aa

SHA1
27aa80687470a1901b63b6b9a86c806a636c3dcf

SHA256
467be7d7f71529d322beb8748abf139e2ed2e8513dbe1b7ee6789b8f73339c84

SHA512
84e0179d1b239c83a2ab9408a36929476402d743db6ceedfb6827748e8f121d2a32b1d9d7a2232dfbe61808d70bdd714a0f212d08e1d048227c942cd1924c573

Download Submit
memory/1708-7-0x0000000000DC0000-0x0000000000DE8000-memory.dmp

Filesize
160KB

Download
memory/1708-9-0x0000000000DC0000-0x0000000000DE8000-memory.dmp

Filesize
160KB

Download
memory/2844-0-0x0000000001360000-0x0000000001388000-memory.dmp

Filesize
160KB

Download
memory/2844-4-0x0000000000DC0000-0x0000000000DE8000-memory.dmp

Filesize
160KB

Download
memory/2844-8-0x0000000001360000-0x0000000001388000-memory.dmp

Filesize
160KB

Download
memory/2844-10-0x0000000001360000-0x0000000001388000-memory.dmp

Filesize
160KB

Download
memory/2844-11-0x0000000000DC0000-0x0000000000DE8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads