84f6a08c04e2a87d93d6d79c99a2fa905563083368baee91c8c157532a0f3c53

Analysis

max time kernel
140s
max time network
126s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
01/11/2023, 14:18

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General

Target

NEAS.bbdd58083c82060674ea8d616a9a5db0.dll
Size

76KB
MD5

bbdd58083c82060674ea8d616a9a5db0
SHA1

8215ea8323087f0af6643d90d2bdc3e717ad8d11
SHA256

84f6a08c04e2a87d93d6d79c99a2fa905563083368baee91c8c157532a0f3c53
SHA512

481c90ec3eb3596dd480b859219f164308a0709abf9ef65d2be994bada7c0220705b8ed30906de25cd87f69d92dc5be6db22cee86609cded60bb2f8677744329
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z54Y3sWn2:c8y93KQjy7G55riF1cMo03f4a2

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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2952-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2952-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2952-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2952-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2496	2952	WerFault.exe	14

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2952	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2952	2028	rundll32.exe	14
PID 2028 wrote to memory of 2952	2028	rundll32.exe	14
PID 2028 wrote to memory of 2952	2028	rundll32.exe	14
PID 2028 wrote to memory of 2952	2028	rundll32.exe	14
PID 2028 wrote to memory of 2952	2028	rundll32.exe	14
PID 2028 wrote to memory of 2952	2028	rundll32.exe	14
PID 2028 wrote to memory of 2952	2028	rundll32.exe	14
PID 2952 wrote to memory of 2496	2952	rundll32.exe	16
PID 2952 wrote to memory of 2496	2952	rundll32.exe	16
PID 2952 wrote to memory of 2496	2952	rundll32.exe	16
PID 2952 wrote to memory of 2496	2952	rundll32.exe	16

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.bbdd58083c82060674ea8d616a9a5db0.dll,#1
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 236
  2⤵
  - Program crash
  PID:2496

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.bbdd58083c82060674ea8d616a9a5db0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2028

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/2952-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2952-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2952-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2952-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download