1b7ca1fe290959ed13daee50c0c49aff5f9eb4e1c4dfc524b0ea03e8d94ee43f

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 20:30

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General

Target

1b7ca1fe290959ed13daee50c0c49aff5f9eb4e1c4dfc524b0ea03e8d94ee43f.dll
Size

76KB
MD5

2df5dce781ae0625c9f96cc16b5e1c71
SHA1

78b2e2a20252d9024466c139c0305d1551cb8ac4
SHA256

1b7ca1fe290959ed13daee50c0c49aff5f9eb4e1c4dfc524b0ea03e8d94ee43f
SHA512

d45e0f59d0ca288b4963261eecffe19056de57d496a08e0a28ba1424ff60a97805e0f646c8a34676bbbc0ce63f5fd4d537be65bd57e1a224becaa15a9e54c1bd
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZapO1Ek+:c8y93KQjy7G55riF1cMo03Yk+

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/376-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/376-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2032	376	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	376	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 376 wrote to memory of 2032	376	rundll32.exe	31
PID 376 wrote to memory of 2032	376	rundll32.exe	31
PID 376 wrote to memory of 2032	376	rundll32.exe	31
PID 376 wrote to memory of 2032	376	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b7ca1fe290959ed13daee50c0c49aff5f9eb4e1c4dfc524b0ea03e8d94ee43f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b7ca1fe290959ed13daee50c0c49aff5f9eb4e1c4dfc524b0ea03e8d94ee43f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 308
    3⤵
    - Program crash
    PID:2032

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/376-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/376-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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