e4cf75e25d312eae0dc4e3aa0761c9e811c4164eef0e4a2275034608d9502be6

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 13:26

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General

Target

e4cf75e25d312eae0dc4e3aa0761c9e811c4164eef0e4a2275034608d9502be6N.dll
Size

76KB
MD5

d596affd3814890f195e6e19ac856250
SHA1

b5c1fc56c5a52784ddf1ba782b133b2204dd78df
SHA256

e4cf75e25d312eae0dc4e3aa0761c9e811c4164eef0e4a2275034608d9502be6
SHA512

aa45e2b97f1e90706b213ab59d035f463f7fb283371e431f101fbdf3a3f322ecc82e2d6a33a97034d23f1a3fa7cbcb9bee94ea6248153164743504c5f0267e13
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZV:c8y93KQjy7G55riF1cMo03v

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 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1476-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1476-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
1476	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1476	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 1476	2852	rundll32.exe	30
PID 2852 wrote to memory of 1476	2852	rundll32.exe	30
PID 2852 wrote to memory of 1476	2852	rundll32.exe	30
PID 2852 wrote to memory of 1476	2852	rundll32.exe	30
PID 2852 wrote to memory of 1476	2852	rundll32.exe	30
PID 2852 wrote to memory of 1476	2852	rundll32.exe	30
PID 2852 wrote to memory of 1476	2852	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4cf75e25d312eae0dc4e3aa0761c9e811c4164eef0e4a2275034608d9502be6N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4cf75e25d312eae0dc4e3aa0761c9e811c4164eef0e4a2275034608d9502be6N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1476

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

Replay Monitor

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Downloads

memory/1476-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1476-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1476-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1476-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download