bb43ab4efdc568377e8c21af005fadecdbdfea7a35cffc2a868a20b4349612aa

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 11:49

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General

Target

42c7bd1fa6cd872dcddfee0223c58720N.dll
Size

76KB
MD5

42c7bd1fa6cd872dcddfee0223c58720
SHA1

7671f71fbd8d94fa6f80fb71f26004dd8eaad1fb
SHA256

bb43ab4efdc568377e8c21af005fadecdbdfea7a35cffc2a868a20b4349612aa
SHA512

119175b3af24577d56a8b4064882242287078e5e708f3f372302a07bba9a5bab06f1f6ce8fd7d8fadb2822e6b2c60f0d84acc603aa71ed73836c93270a01c7f6
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZaGrRF:c8y93KQjy7G55riF1cMo03bF

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2080-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2080-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2080-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
2080	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2080	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2080	2140	rundll32.exe	30
PID 2140 wrote to memory of 2080	2140	rundll32.exe	30
PID 2140 wrote to memory of 2080	2140	rundll32.exe	30
PID 2140 wrote to memory of 2080	2140	rundll32.exe	30
PID 2140 wrote to memory of 2080	2140	rundll32.exe	30
PID 2140 wrote to memory of 2080	2140	rundll32.exe	30
PID 2140 wrote to memory of 2080	2140	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c7bd1fa6cd872dcddfee0223c58720N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c7bd1fa6cd872dcddfee0223c58720N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2080

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/2080-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2080-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2080-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download