e4c8cdcccaba074a38c9af3b2ad26419f4911a410dfe7b7e7386f0a62a463bbc

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 05:20

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General

Target

e4c8cdcccaba074a38c9af3b2ad26419f4911a410dfe7b7e7386f0a62a463bbcN.dll
Size

76KB
MD5

9a8bc28a4a8fc6baa4e300d6ad339230
SHA1

a1a4928baa30758e8b8ffe08af19fe1ba3c12635
SHA256

e4c8cdcccaba074a38c9af3b2ad26419f4911a410dfe7b7e7386f0a62a463bbc
SHA512

d3cad5abbc4e7103d658a9b35bf746ae1f509a2a2c522e62799fe2d0a472a441d2658e22de60f6fdf817df56a46379e7f36405e2db97c3a256bf3fac32e99979
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZB70bcN4qKegzLb:c8y93KQjy7G55riF1cMo03H70bcN4n

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1284-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1284-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1284-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1284-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1284-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2084	1284	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1284	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 1284	1360	rundll32.exe	30
PID 1360 wrote to memory of 1284	1360	rundll32.exe	30
PID 1360 wrote to memory of 1284	1360	rundll32.exe	30
PID 1360 wrote to memory of 1284	1360	rundll32.exe	30
PID 1360 wrote to memory of 1284	1360	rundll32.exe	30
PID 1360 wrote to memory of 1284	1360	rundll32.exe	30
PID 1360 wrote to memory of 1284	1360	rundll32.exe	30
PID 1284 wrote to memory of 2084	1284	rundll32.exe	31
PID 1284 wrote to memory of 2084	1284	rundll32.exe	31
PID 1284 wrote to memory of 2084	1284	rundll32.exe	31
PID 1284 wrote to memory of 2084	1284	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c8cdcccaba074a38c9af3b2ad26419f4911a410dfe7b7e7386f0a62a463bbcN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c8cdcccaba074a38c9af3b2ad26419f4911a410dfe7b7e7386f0a62a463bbcN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1284
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 332
    3⤵
    - Program crash
    PID:2084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1284-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1284-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1284-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1284-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1284-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1284-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download