c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec

Analysis

max time kernel
174s
max time network
196s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 07:25

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General

Target

c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe
Size

110KB
MD5

0fd7e396d721adecd5fe73167eab756b
SHA1

82943926089117f72f506fbe3b89ddc6c1b17c3a
SHA256

c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec
SHA512

fde2276d105b32a6b80adffe8a9df978cf05c63aa0d6a3cad19dd8d5614d4e10a13e6c42bd79af970ed93e1f87d028cd2c9a58a5441b695a01a970891ea4e3d6
SSDEEP

1536:5egzOy+h60RcB0QgmlEhCy9Ymr32KezyGbW9GdKU/bHhvuBg:b+s6cyQgmltyLq5e99GJbBkg

Score

10^/10

evasion trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\System\ControlSet001\Services\Disk\Enum	c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1444 set thread context of 2928	1444	c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe	85

Program crash 2 IoCs

pid	pid_target	Process	procid_target
208	1444	WerFault.exe	82
4208	2928	WerFault.exe	85

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 2928	1444	c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe	85
PID 1444 wrote to memory of 2928	1444	c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe	85
PID 1444 wrote to memory of 2928	1444	c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe	85
PID 1444 wrote to memory of 2928	1444	c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe	85
PID 1444 wrote to memory of 2928	1444	c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe	85

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe

C:\Users\Admin\AppData\Local\Temp\c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe
"C:\Users\Admin\AppData\Local\Temp\c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 428
  2⤵
  - Program crash
  PID:208
- C:\Users\Admin\AppData\Local\Temp\c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe
  "C:\Users\Admin\AppData\Local\Temp\c8c4d0b3108c052ff91cb0b0f123a0a20d39b5e82400b898d7881a20e2ce89ec.exe"
  2⤵
  PID:2928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 228
    3⤵
    - Program crash
    PID:4208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 1444 -ip 1444
1⤵
PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2928 -ip 2928
1⤵
PID:1592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2928-133-0x0000000001000000-0x0000000001009000-memory.dmp

Filesize
36KB

Download
memory/2928-135-0x0000000001000000-0x0000000001009000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads