1a064b18b65c5b63b387d5bea6ec87cb591f0c4539eca9f9f7078c58c74a4a58

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 18:57

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General

Target

1a064b18b65c5b63b387d5bea6ec87cb591f0c4539eca9f9f7078c58c74a4a58.dll
Size

76KB
MD5

22cafe2fbb8d3af5cc0a6ff435a5ac78
SHA1

78e9d99fbcbb082ccfc210ff018ab10db489e5b0
SHA256

1a064b18b65c5b63b387d5bea6ec87cb591f0c4539eca9f9f7078c58c74a4a58
SHA512

e34821306f0e9c0c8b1ba96d17761f21690a56a1e4415c0e179eb84d19e256cbd2cf491d807c16ddeaf4e0d11a69163282689baad289ae2f3f4819e007fa5e62
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZixX:c8y93KQjy7G55riF1cMo03i

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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2680-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2680-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2680-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2680-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2680-10-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2708	2680	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	2680	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2680 wrote to memory of 2708	2680	rundll32.exe	31
PID 2680 wrote to memory of 2708	2680	rundll32.exe	31
PID 2680 wrote to memory of 2708	2680	rundll32.exe	31
PID 2680 wrote to memory of 2708	2680	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a064b18b65c5b63b387d5bea6ec87cb591f0c4539eca9f9f7078c58c74a4a58.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a064b18b65c5b63b387d5bea6ec87cb591f0c4539eca9f9f7078c58c74a4a58.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 332
    3⤵
    - Program crash
    PID:2708

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/2680-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2680-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2680-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2680-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2680-4-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2680-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2680-10-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download