21c129130af199e63f181b6b40fc12779304ce85ba4b8dc0fe08003b368624a6

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 21:02

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General

Target

21c129130af199e63f181b6b40fc12779304ce85ba4b8dc0fe08003b368624a6.dll
Size

76KB
MD5

d75eedbba3a1b7661d2e493c06d6eaa3
SHA1

ddc2f3d5de6d50eab2679b163b09b3674f73c6b8
SHA256

21c129130af199e63f181b6b40fc12779304ce85ba4b8dc0fe08003b368624a6
SHA512

77d13a85dbc39074f1498f8570875eb79ee8b673eb8caabd3397c18fec3c4dbd0a73d1a0ebc3fd3b93c320926ef54b32f6d3191be14a89a2373db33aebe6daa8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZtmrhQN:c8y93KQjy7G55riF1cMo03er0

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2412-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2412-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2412-2-0x0000000010000000-0x0000000010030000-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
2412	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2412	2380	rundll32.exe	30
PID 2380 wrote to memory of 2412	2380	rundll32.exe	30
PID 2380 wrote to memory of 2412	2380	rundll32.exe	30
PID 2380 wrote to memory of 2412	2380	rundll32.exe	30
PID 2380 wrote to memory of 2412	2380	rundll32.exe	30
PID 2380 wrote to memory of 2412	2380	rundll32.exe	30
PID 2380 wrote to memory of 2412	2380	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\21c129130af199e63f181b6b40fc12779304ce85ba4b8dc0fe08003b368624a6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\21c129130af199e63f181b6b40fc12779304ce85ba4b8dc0fe08003b368624a6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2412

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/2412-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2412-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2412-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download