7743bd9f55535b4263179dc4fa3d557ded93e12b1884d691a065726ce965d3d1

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 22:20

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General

Target

7743bd9f55535b4263179dc4fa3d557ded93e12b1884d691a065726ce965d3d1N.dll
Size

76KB
MD5

7e6821b51f8484579139955b22ef4910
SHA1

af2ac33564841eb9ea7a35a2899b00cfe94fb865
SHA256

7743bd9f55535b4263179dc4fa3d557ded93e12b1884d691a065726ce965d3d1
SHA512

683be2327f544f9c1afdfeda3043d1b168d87c4db1e304cb36d1f990181f843a82b5f3ed4e910b0c4b433aeb9f992de32e34a5e7e803b08db97d293b0a2c7d5c
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZpG9j6/V2Vy:c8y93KQjy7G55riF1cMo03O95Vy

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/1448-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1448-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1448-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2684	1448	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	1448	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 1448 wrote to memory of 2684	1448	rundll32.exe	31
PID 1448 wrote to memory of 2684	1448	rundll32.exe	31
PID 1448 wrote to memory of 2684	1448	rundll32.exe	31
PID 1448 wrote to memory of 2684	1448	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7743bd9f55535b4263179dc4fa3d557ded93e12b1884d691a065726ce965d3d1N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7743bd9f55535b4263179dc4fa3d557ded93e12b1884d691a065726ce965d3d1N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 336
    3⤵
    - Program crash
    PID:2684

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/1448-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1448-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1448-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download