1ba5f51064651491b4c144ecca1004dadde45085a9cc9a8c07a86147ad02a16c

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02/01/2025, 09:07

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General

Target

1ba5f51064651491b4c144ecca1004dadde45085a9cc9a8c07a86147ad02a16c.dll
Size

76KB
MD5

e9d79633a34d8b407cb78c3e82473737
SHA1

7e76e03080c573160cf3fc84f7afd2b257fbb109
SHA256

1ba5f51064651491b4c144ecca1004dadde45085a9cc9a8c07a86147ad02a16c
SHA512

6e87db8499936b35d0c9e87f7709782190c8a82461f8d0030b1e94b9135e4c3b8a366999c3658135ad53a53ac21a48f6b43e9a666bd7760021aa86e347733e3f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZlFwoQC2mCX5FAj:c8y93KQjy7G55riF1cMo03LF1QC2mCXq

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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1348-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1348-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1348-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1348-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2440	1348	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	1348	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1348 wrote to memory of 2440	1348	rundll32.exe	31
PID 1348 wrote to memory of 2440	1348	rundll32.exe	31
PID 1348 wrote to memory of 2440	1348	rundll32.exe	31
PID 1348 wrote to memory of 2440	1348	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ba5f51064651491b4c144ecca1004dadde45085a9cc9a8c07a86147ad02a16c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ba5f51064651491b4c144ecca1004dadde45085a9cc9a8c07a86147ad02a16c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 336
    3⤵
    - Program crash
    PID:2440

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

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Downloads

memory/1348-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1348-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1348-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1348-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1348-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1348-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download