ad766d035f625ba652513e2867faf90806c9f0c3048174e24f736d05fe9f6f0f

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 04:35

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General

Target

$PLUGINSDIR/SkinH.dll
Size

84KB
MD5

a00c474dc4ced90b8f5a692108c45dce
SHA1

e02722d30a6218523e9ddef287817788a4a9b9fc
SHA256

6504e515cbcf89cb98fd9f1a310125bfdf93e1f6a6bf0c64c0229e5670cac9b1
SHA512

e81b001379f94fabb71f1d6a019b81202e00da7338048b77d1728b40427689a32801419377d3e86c51c5e418cc3ccc328ee00adc69eaa575267bcaac8f477abd
SSDEEP

1536:uVNx6WNnPZ369Z3TCy5KcGhVek8Hvv144SNT7qgG7kQSeQmnouy8U:uVNx6WNnPZK9RTkieJw7uWoutU

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral11/memory/3060-0-0x0000000010000000-0x000000001003C000-memory.dmp	upx
behavioral11/memory/3060-2-0x0000000010000000-0x000000001003C000-memory.dmp	upx
behavioral11/memory/3060-6-0x0000000010000000-0x000000001003C000-memory.dmp	upx
behavioral11/memory/3060-5-0x0000000010000000-0x000000001003C000-memory.dmp	upx
behavioral11/memory/3060-4-0x0000000010000000-0x000000001003C000-memory.dmp	upx
behavioral11/memory/3060-1-0x0000000010000000-0x000000001003C000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2504	3060	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 SetWindowsHookEx 1 IoCs

pid	Process
3060	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 3060	3008	rundll32.exe	30
PID 3008 wrote to memory of 3060	3008	rundll32.exe	30
PID 3008 wrote to memory of 3060	3008	rundll32.exe	30
PID 3008 wrote to memory of 3060	3008	rundll32.exe	30
PID 3008 wrote to memory of 3060	3008	rundll32.exe	30
PID 3008 wrote to memory of 3060	3008	rundll32.exe	30
PID 3008 wrote to memory of 3060	3008	rundll32.exe	30
PID 3060 wrote to memory of 2504	3060	rundll32.exe	31
PID 3060 wrote to memory of 2504	3060	rundll32.exe	31
PID 3060 wrote to memory of 2504	3060	rundll32.exe	31
PID 3060 wrote to memory of 2504	3060	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SkinH.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SkinH.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 248
    3⤵
    - Program crash
    PID:2504

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/3060-0-0x0000000010000000-0x000000001003C000-memory.dmp

Filesize
240KB

Download
memory/3060-2-0x0000000010000000-0x000000001003C000-memory.dmp

Filesize
240KB

Download
memory/3060-3-0x0000000010009000-0x000000001000A000-memory.dmp

Filesize
4KB

Download
memory/3060-6-0x0000000010000000-0x000000001003C000-memory.dmp

Filesize
240KB

Download
memory/3060-5-0x0000000010000000-0x000000001003C000-memory.dmp

Filesize
240KB

Download
memory/3060-4-0x0000000010000000-0x000000001003C000-memory.dmp

Filesize
240KB

Download
memory/3060-1-0x0000000010000000-0x000000001003C000-memory.dmp

Filesize
240KB

Download