de3dd09eeefc48a02355c4de3bf4d98cda78231ef99435ec466544114d10e0aa

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/11/2024, 19:06

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General

Target

de3dd09eeefc48a02355c4de3bf4d98cda78231ef99435ec466544114d10e0aa.dll
Size

76KB
MD5

a8038633f7682424b45050b5175fdedb
SHA1

90f8edf4e88353492e153a9b465e30c4ebd33a70
SHA256

de3dd09eeefc48a02355c4de3bf4d98cda78231ef99435ec466544114d10e0aa
SHA512

e3ddbce6c2a7b314cad5cf0e73f405382fe11ea2c95cf2ed2914732071a309d54b629355ea26a8a06d5d95c3eeb7a212c024bf77208124fa5e0d89e38134d61b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZpEhJu:c8y93KQjy7G55riF1cMo03Au

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2184-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2184-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2184-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2184-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2704	2184	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	2184	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2184	2224	rundll32.exe	30
PID 2224 wrote to memory of 2184	2224	rundll32.exe	30
PID 2224 wrote to memory of 2184	2224	rundll32.exe	30
PID 2224 wrote to memory of 2184	2224	rundll32.exe	30
PID 2224 wrote to memory of 2184	2224	rundll32.exe	30
PID 2224 wrote to memory of 2184	2224	rundll32.exe	30
PID 2224 wrote to memory of 2184	2224	rundll32.exe	30
PID 2184 wrote to memory of 2704	2184	rundll32.exe	31
PID 2184 wrote to memory of 2704	2184	rundll32.exe	31
PID 2184 wrote to memory of 2704	2184	rundll32.exe	31
PID 2184 wrote to memory of 2704	2184	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\de3dd09eeefc48a02355c4de3bf4d98cda78231ef99435ec466544114d10e0aa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\de3dd09eeefc48a02355c4de3bf4d98cda78231ef99435ec466544114d10e0aa.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 328
    3⤵
    - Program crash
    PID:2704

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

Replay Monitor

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Downloads

memory/2184-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2184-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2184-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2184-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2184-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download