dcb8ed40c023c9a42708b2d3ade7923f9b278169eb51c1230ebdde5ef41144dc

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 23:54

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General

Target

6e65f50810777133df7cc6e393f15660_NEIKI.exe
Size

117KB
MD5

6e65f50810777133df7cc6e393f15660
SHA1

54e733bd32440c7f122bad17ba65923391d2ba99
SHA256

dcb8ed40c023c9a42708b2d3ade7923f9b278169eb51c1230ebdde5ef41144dc
SHA512

d5c607f9a45a036a34c8d8fbaa1b98847eaf26a884447a27e64ebb3b9ec0898d7d3b39c95ba29d805593c79e95a0f5e528bf3c113ea8e66a5f571d3cd6b2d92c
SSDEEP

3072:R9DzKYSP5nfpRrt94MOTHId1WOalUSGAzGLAuuov98m5SSTY:R99ShxhtSH8dyUSP6AuJV89

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2920	wrvdfyg.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2192-0-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral1/files/0x0035000000014171-7.dat	upx
behavioral1/memory/2920-9-0x0000000000400000-0x0000000000465000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\wrvdfyg.exe	6e65f50810777133df7cc6e393f15660_NEIKI.exe
File created	C:\PROGRA~3\Mozilla\klztrnd.dll	wrvdfyg.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2920	2076	taskeng.exe	29
PID 2076 wrote to memory of 2920	2076	taskeng.exe	29
PID 2076 wrote to memory of 2920	2076	taskeng.exe	29
PID 2076 wrote to memory of 2920	2076	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\6e65f50810777133df7cc6e393f15660_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\6e65f50810777133df7cc6e393f15660_NEIKI.exe"
1⤵
- Drops file in Program Files directory
PID:2192

C:\Windows\system32\taskeng.exe
taskeng.exe {A9729A31-116D-47BC-A837-40A8F928B21A} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2076
- C:\PROGRA~3\Mozilla\wrvdfyg.exe
  C:\PROGRA~3\Mozilla\wrvdfyg.exe -hzyjzia
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2920

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\wrvdfyg.exe

Filesize
117KB

MD5
a98e5f4f5b54799461dd17ad587fd6ca

SHA1
4a218a3bd178bd9f22f1976309631134b75460df

SHA256
8fc4fc2e62ee2b3e0d8216de9ddd2d9cbca596c8e021730bfb54ad2fdfbf2729

SHA512
d098c30a650644fe70ce45994eb9f01360a00b72dc1d061f5aab2c621bea7af6b131a2895309dafa42726edb90b37eb30b8a86a5700336fad421e1d03b90e213

Download Submit
memory/2192-0-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2192-1-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2192-2-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2192-6-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2920-9-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2920-10-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2920-14-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download