2a9cd1929d3b3fdd0b6a9661f0fdc9877b165a64c43a4f365ea9d00f474e3534

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 06:52

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General

Target

2a9cd1929d3b3fdd0b6a9661f0fdc9877b165a64c43a4f365ea9d00f474e3534.dll
Size

203KB
MD5

fad08612601da9885368d3d1c5c96f33
SHA1

5f676bf822edcba79ec571b3e735e4416f72fe3e
SHA256

2a9cd1929d3b3fdd0b6a9661f0fdc9877b165a64c43a4f365ea9d00f474e3534
SHA512

0c726e4051d734a04b84332f3bf2c5a8210b1669d808b436989aaa1e5c7858b0a3a5ea54683dbe727d963cbf8bfd39cedb2c75d45a7109fa296a83951308df96
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMQT9:5kmCaiEoFEd+F3txm2SpiMK9

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2816-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2816-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2984	2816	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	2816	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2816 wrote to memory of 2984	2816	rundll32.exe	31
PID 2816 wrote to memory of 2984	2816	rundll32.exe	31
PID 2816 wrote to memory of 2984	2816	rundll32.exe	31
PID 2816 wrote to memory of 2984	2816	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a9cd1929d3b3fdd0b6a9661f0fdc9877b165a64c43a4f365ea9d00f474e3534.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a9cd1929d3b3fdd0b6a9661f0fdc9877b165a64c43a4f365ea9d00f474e3534.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 308
    3⤵
    - Program crash
    PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/2816-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/2816-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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