9bff2e115f9b6d83326fafd60bf3eb8c09f0ff9d1e80d5772e1f43a4d52e6413

Analysis

max time kernel
111s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
01-09-2024 13:51

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General

Target

0351c1c7d2a6e91a4f03bed41c9620c0N.dll
Size

76KB
MD5

0351c1c7d2a6e91a4f03bed41c9620c0
SHA1

f6eb347f3a39ce0c5ba45631962617f65afac89c
SHA256

9bff2e115f9b6d83326fafd60bf3eb8c09f0ff9d1e80d5772e1f43a4d52e6413
SHA512

6dfb3ce422d605f58f3b7771114b9d2a4edb17bb98981e145bde14a9ecd9d77b1f84cb17d732274d47b154a927a62d95272b79170cf8bbb607e86149c9796737
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZhTnV:c8y93KQjy7G55riF1cMo037V

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2036-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2036-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2036-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2268	2036	WerFault.exe	29

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	2036	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 2036	1944	rundll32.exe	29
PID 1944 wrote to memory of 2036	1944	rundll32.exe	29
PID 1944 wrote to memory of 2036	1944	rundll32.exe	29
PID 1944 wrote to memory of 2036	1944	rundll32.exe	29
PID 1944 wrote to memory of 2036	1944	rundll32.exe	29
PID 1944 wrote to memory of 2036	1944	rundll32.exe	29
PID 1944 wrote to memory of 2036	1944	rundll32.exe	29
PID 2036 wrote to memory of 2268	2036	rundll32.exe	30
PID 2036 wrote to memory of 2268	2036	rundll32.exe	30
PID 2036 wrote to memory of 2268	2036	rundll32.exe	30
PID 2036 wrote to memory of 2268	2036	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0351c1c7d2a6e91a4f03bed41c9620c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0351c1c7d2a6e91a4f03bed41c9620c0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 336
    3⤵
    - Program crash
    PID:2268

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/2036-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2036-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2036-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2036-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2036-4-0x0000000000040000-0x000000000004E000-memory.dmp

Filesize
56KB

Download