491788b90c5dd2de5da996020eef792aa68fd6a20f085dff5558194760c082fe

Analysis

max time kernel
176s
max time network
27s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
04/11/2023, 08:57

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General

Target

NEAS.cbeb89af78888b315b83b61e5c02bdf0_JC.dll
Size

76KB
MD5

cbeb89af78888b315b83b61e5c02bdf0
SHA1

0ac2ac1c810e7e9ef9a97b72a8b68e501ca1ab5c
SHA256

491788b90c5dd2de5da996020eef792aa68fd6a20f085dff5558194760c082fe
SHA512

b6dab2f1a6c99ddacc171f4476e66d48be78aabe7e590c3fa426daff8b0f570ae4ea61945ebc956f01a7e7e98e9a0779533b6ce63d0b2489a80676733f1651c5
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZekO/W62:c8y93KQjy7G55riF1cMo03okOE

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

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2728-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2728-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2728-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2728-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2728-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2728	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 2728	2620	rundll32.exe	29
PID 2620 wrote to memory of 2728	2620	rundll32.exe	29
PID 2620 wrote to memory of 2728	2620	rundll32.exe	29
PID 2620 wrote to memory of 2728	2620	rundll32.exe	29
PID 2620 wrote to memory of 2728	2620	rundll32.exe	29
PID 2620 wrote to memory of 2728	2620	rundll32.exe	29
PID 2620 wrote to memory of 2728	2620	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.cbeb89af78888b315b83b61e5c02bdf0_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.cbeb89af78888b315b83b61e5c02bdf0_JC.dll,#1
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2728

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

memory/2728-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2728-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2728-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2728-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2728-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download