ed5b3ba74404d758d889622f8aef034d1389722e0528dac5b98e6073f8614bd5

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
02-11-2023 02:39

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General

Target

NEAS.03ba67cce3ef625dd098637435a0f8a0_JC.dll
Size

76KB
MD5

03ba67cce3ef625dd098637435a0f8a0
SHA1

2f9ed383d5bd4049bf4346cf780f180f6ff45e93
SHA256

ed5b3ba74404d758d889622f8aef034d1389722e0528dac5b98e6073f8614bd5
SHA512

3fcdddd54d1328d87cbbf4330bcd135f9de42d95223889cf525c3916246b28a5c928ffbe80239da7fdf93961481090c778929e3d691f107aef3af327f5a60e37
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZRgw4s4:c8y93KQjy7G55riF1cMo03/b4Z

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1252-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1252-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1252-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2260	1252	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1252	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1252 wrote to memory of 2260	1252	rundll32.exe	29
PID 1252 wrote to memory of 2260	1252	rundll32.exe	29
PID 1252 wrote to memory of 2260	1252	rundll32.exe	29
PID 1252 wrote to memory of 2260	1252	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.03ba67cce3ef625dd098637435a0f8a0_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.03ba67cce3ef625dd098637435a0f8a0_JC.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 332
    3⤵
    - Program crash
    PID:2260

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/1252-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1252-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1252-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1252-2-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download