72f5801275fee189ef50b2754a0b164efce455823c59cf06e9934d193d6dfb20

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
20/04/2024, 23:25

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General

Target

72f5801275fee189ef50b2754a0b164efce455823c59cf06e9934d193d6dfb20.dll
Size

76KB
MD5

37dd106b7baa14dd5acf0cbd4f59ff52
SHA1

d9b5044e6f0a8471a89ad4c4283567e46c37c323
SHA256

72f5801275fee189ef50b2754a0b164efce455823c59cf06e9934d193d6dfb20
SHA512

938d7a32570e44a4973e0ffd717fea6d6fc347a64e3fd6675a0f588e8747b78fcc551e62881ad06392adbfe64cc563288d6f39c2e2a6b92b6cc7bc3a541edb30
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZHOV:c8y93KQjy7G55riF1cMo03BOV

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral1/memory/2052-6-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2052-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2856	2052	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2052	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2052	2028	rundll32.exe	28
PID 2028 wrote to memory of 2052	2028	rundll32.exe	28
PID 2028 wrote to memory of 2052	2028	rundll32.exe	28
PID 2028 wrote to memory of 2052	2028	rundll32.exe	28
PID 2028 wrote to memory of 2052	2028	rundll32.exe	28
PID 2028 wrote to memory of 2052	2028	rundll32.exe	28
PID 2028 wrote to memory of 2052	2028	rundll32.exe	28
PID 2052 wrote to memory of 2856	2052	rundll32.exe	29
PID 2052 wrote to memory of 2856	2052	rundll32.exe	29
PID 2052 wrote to memory of 2856	2052	rundll32.exe	29
PID 2052 wrote to memory of 2856	2052	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\72f5801275fee189ef50b2754a0b164efce455823c59cf06e9934d193d6dfb20.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\72f5801275fee189ef50b2754a0b164efce455823c59cf06e9934d193d6dfb20.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 328
    3⤵
    - Program crash
    PID:2856

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/2052-0-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2052-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download