1897b1dbba0a2dd8bfbbc0874c110295c9d15f31b46ef1c87f05e1f5dba0d398

Analysis

max time kernel
79s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 11:59

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General

Target

1897b1dbba0a2dd8bfbbc0874c110295c9d15f31b46ef1c87f05e1f5dba0d398N.dll
Size

76KB
MD5

f92e10b6b50e32d47c2fbe3061bfd040
SHA1

3a752aa774ec09d1f57e66da1b2174e51cfc19fe
SHA256

1897b1dbba0a2dd8bfbbc0874c110295c9d15f31b46ef1c87f05e1f5dba0d398
SHA512

74dd471e3dd982f6ce4568744c2c892b48eb7a1e85097025ebbb12f9a3deea2e8f13040d5e21a17ba5bf2cace1e4bb861e759b44daf32a152c086ae09845ea89
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZWp2bb1:c8y93KQjy7G55riF1cMo039P1

Score

5^/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/2656-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2656-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2656-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	2656	WerFault.exe	31

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	2656	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2656	2196	rundll32.exe	31
PID 2196 wrote to memory of 2656	2196	rundll32.exe	31
PID 2196 wrote to memory of 2656	2196	rundll32.exe	31
PID 2196 wrote to memory of 2656	2196	rundll32.exe	31
PID 2196 wrote to memory of 2656	2196	rundll32.exe	31
PID 2196 wrote to memory of 2656	2196	rundll32.exe	31
PID 2196 wrote to memory of 2656	2196	rundll32.exe	31
PID 2656 wrote to memory of 2760	2656	rundll32.exe	32
PID 2656 wrote to memory of 2760	2656	rundll32.exe	32
PID 2656 wrote to memory of 2760	2656	rundll32.exe	32
PID 2656 wrote to memory of 2760	2656	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1897b1dbba0a2dd8bfbbc0874c110295c9d15f31b46ef1c87f05e1f5dba0d398N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1897b1dbba0a2dd8bfbbc0874c110295c9d15f31b46ef1c87f05e1f5dba0d398N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 312
    3⤵
    - Program crash
    PID:2760

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

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Downloads

memory/2656-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2656-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2656-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2656-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download