87ba434eb8453dd4abe002e1207287980e12abed2b4f87839456f5ebeca698f4

Analysis

max time kernel
90s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 18:35

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General

Target

87ba434eb8453dd4abe002e1207287980e12abed2b4f87839456f5ebeca698f4N.dll
Size

203KB
MD5

e21da323875e9c39f8f5a75914acc580
SHA1

48b373353abdc83662b3fff1f41319422ca4e46a
SHA256

87ba434eb8453dd4abe002e1207287980e12abed2b4f87839456f5ebeca698f4
SHA512

60d3fa76b209e43531328bb4b179a8a953435615f5cac1f476a3d5f42eb6d637a82c2e305ecda1db05c6ea9a5637f73100a7cc125caea561547fc8fe95bab8cf
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMAfXB3:5kmCaiEoFEd+F3txm2SpiMgl

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/2540-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2540-1-0x0000000010000000-0x0000000010033000-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
2540	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2540	2440	rundll32.exe	30
PID 2440 wrote to memory of 2540	2440	rundll32.exe	30
PID 2440 wrote to memory of 2540	2440	rundll32.exe	30
PID 2440 wrote to memory of 2540	2440	rundll32.exe	30
PID 2440 wrote to memory of 2540	2440	rundll32.exe	30
PID 2440 wrote to memory of 2540	2440	rundll32.exe	30
PID 2440 wrote to memory of 2540	2440	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87ba434eb8453dd4abe002e1207287980e12abed2b4f87839456f5ebeca698f4N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\87ba434eb8453dd4abe002e1207287980e12abed2b4f87839456f5ebeca698f4N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2540

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/2540-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/2540-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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