ff98aa2c10e74a11e501721f26b39f357774f7640c0e1258c7ef7736d5d85bd6

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 22:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ff98aa2c10e74a11e501721f26b39f357774f7640c0e1258c7ef7736d5d85bd6N.dll
Size

76KB
MD5

df5ed84f561372656fc07cafdfacf420
SHA1

79bdc10b973e7ab2518289a191be463e49f84351
SHA256

ff98aa2c10e74a11e501721f26b39f357774f7640c0e1258c7ef7736d5d85bd6
SHA512

ebba35526ea5d6aabf33586748fe9a6c09ce399ae21ab7b78688666e2f8913ba2b556317d8be2f340b3bdfe9015f56d675c7cec9e005980af7c2cca4340bfb88
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZQfuv:c8y93KQjy7G55riF1cMo03mfuv

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/2324-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2324-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2324-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2324-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2324-11-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2988	2324	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	2324	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 2324	1884	rundll32.exe	30
PID 1884 wrote to memory of 2324	1884	rundll32.exe	30
PID 1884 wrote to memory of 2324	1884	rundll32.exe	30
PID 1884 wrote to memory of 2324	1884	rundll32.exe	30
PID 1884 wrote to memory of 2324	1884	rundll32.exe	30
PID 1884 wrote to memory of 2324	1884	rundll32.exe	30
PID 1884 wrote to memory of 2324	1884	rundll32.exe	30
PID 2324 wrote to memory of 2988	2324	rundll32.exe	31
PID 2324 wrote to memory of 2988	2324	rundll32.exe	31
PID 2324 wrote to memory of 2988	2324	rundll32.exe	31
PID 2324 wrote to memory of 2988	2324	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff98aa2c10e74a11e501721f26b39f357774f7640c0e1258c7ef7736d5d85bd6N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff98aa2c10e74a11e501721f26b39f357774f7640c0e1258c7ef7736d5d85bd6N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 328
    3⤵
    - Program crash
    PID:2988

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

Loading Replay Monitor...

Downloads

memory/2324-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2324-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2324-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2324-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2324-4-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2324-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2324-11-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download