6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82

General

Target

6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe
Size

87KB
MD5

a579d53a1d29684de6d2c0cbabd525c5
SHA1

17661a04b4b150a6f70afdabe3fd9839cc56bee8
SHA256

6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82
SHA512

a98456792d7f7c83d0fe6be3ce6c48a4630a073b456848e0c8f614efe292a24fcf8d879ead5f2b418e5e29f46ae9356691383ba57e6066c5cacc0d47e675f817
SSDEEP

1536:PwjBg7Rj2r+65ofVkOu2avMtRsCtQqES1IVSJjXTmgacggNp:YjBY12G7uJvMnsGQhSYEmgacx

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 6 IoCs

flow	pid	Process
4	940	rundll32.exe
5	940	rundll32.exe
6	940	rundll32.exe
7	940	rundll32.exe
8	940	rundll32.exe
9	940	rundll32.exe

Loads dropped DLL 4 IoCs

pid	Process
940	rundll32.exe
940	rundll32.exe
940	rundll32.exe
940	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CheckDone = "RunDll32.exe \"C:\\Windows\\System32\\api-ms-win-core-advapi-l1-1-0.dll\",init"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	rundll32.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\H:	mstsc.exe
File opened (read-only)	\??\J:	mstsc.exe
File opened (read-only)	\??\R:	mstsc.exe
File opened (read-only)	\??\Z:	mstsc.exe
File opened (read-only)	\??\Q:	mstsc.exe
File opened (read-only)	\??\T:	mstsc.exe
File opened (read-only)	\??\B:	mstsc.exe
File opened (read-only)	\??\E:	mstsc.exe
File opened (read-only)	\??\L:	mstsc.exe
File opened (read-only)	\??\M:	mstsc.exe
File opened (read-only)	\??\N:	mstsc.exe
File opened (read-only)	\??\P:	mstsc.exe
File opened (read-only)	\??\U:	mstsc.exe
File opened (read-only)	\??\A:	mstsc.exe
File opened (read-only)	\??\F:	mstsc.exe
File opened (read-only)	\??\G:	mstsc.exe
File opened (read-only)	\??\I:	mstsc.exe
File opened (read-only)	\??\K:	mstsc.exe
File opened (read-only)	\??\V:	mstsc.exe
File opened (read-only)	\??\O:	mstsc.exe
File opened (read-only)	\??\S:	mstsc.exe
File opened (read-only)	\??\W:	mstsc.exe
File opened (read-only)	\??\X:	mstsc.exe
File opened (read-only)	\??\Y:	mstsc.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	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\api-ms-win-core-advapi-l1-1-0.dll	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
940	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2028	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	27
PID 1244 wrote to memory of 2028	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	27
PID 1244 wrote to memory of 2028	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	27
PID 1244 wrote to memory of 2028	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	27
PID 1244 wrote to memory of 2028	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	27
PID 1244 wrote to memory of 2028	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	27
PID 1244 wrote to memory of 2028	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	27
PID 1244 wrote to memory of 940	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	28
PID 1244 wrote to memory of 940	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	28
PID 1244 wrote to memory of 940	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	28
PID 1244 wrote to memory of 940	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	28
PID 1244 wrote to memory of 940	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	28
PID 1244 wrote to memory of 940	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	28
PID 1244 wrote to memory of 940	1244	6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe	28

C:\Users\Admin\AppData\Local\Temp\6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe
"C:\Users\Admin\AppData\Local\Temp\6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" javascript:"\..\mshtml,RunHTMLApplication ";document.write("\74script language=javascript>"+(new%20ActiveXObject("WScript.Shell")).RegWrite("HKLM\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\CheckDone","RunDll32.exe%20\"C:\\Windows\\System32\\api-ms-win-core-advapi-l1-1-0.dll\",init","REG_SZ")+"\74/script>")
  2⤵
  - Adds Run key to start application
  PID:2028
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\api-ms-win-core-advapi-l1-1-0.dll",init
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  PID:940

C:\Windows\system32\mstsc.exe
"C:\Windows\system32\mstsc.exe"
1⤵
- Enumerates connected drives
PID:1848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\api-ms-win-core-advapi-l1-1-0.dll

Filesize
36KB

MD5
75f71713a429589e87cf2656107d2bfc

SHA1
f7608ef62a45822e9300d390064e667028b75dea

SHA256
b6fff95a74f9847f1a4282b38f148d80e4684d9c35d9ae79fad813d5dc0fd7a9

SHA512
cfadd55e93f00a91e9c6c3804725aa85e65e76039ec6021607ce7bb5dd30369329aae7cd11344c703094090e1f9be513988703f9a4cb8b2223464254a9104b93

Download Submit
\Users\Admin\AppData\Local\Temp\api-ms-win-core-advapi-l1-1-0.dll

Filesize
36KB

MD5
75f71713a429589e87cf2656107d2bfc

SHA1
f7608ef62a45822e9300d390064e667028b75dea

SHA256
b6fff95a74f9847f1a4282b38f148d80e4684d9c35d9ae79fad813d5dc0fd7a9

SHA512
cfadd55e93f00a91e9c6c3804725aa85e65e76039ec6021607ce7bb5dd30369329aae7cd11344c703094090e1f9be513988703f9a4cb8b2223464254a9104b93

Download Submit
\Users\Admin\AppData\Local\Temp\api-ms-win-core-advapi-l1-1-0.dll

Filesize
36KB

MD5
75f71713a429589e87cf2656107d2bfc

SHA1
f7608ef62a45822e9300d390064e667028b75dea

SHA256
b6fff95a74f9847f1a4282b38f148d80e4684d9c35d9ae79fad813d5dc0fd7a9

SHA512
cfadd55e93f00a91e9c6c3804725aa85e65e76039ec6021607ce7bb5dd30369329aae7cd11344c703094090e1f9be513988703f9a4cb8b2223464254a9104b93

Download Submit
\Users\Admin\AppData\Local\Temp\api-ms-win-core-advapi-l1-1-0.dll

Filesize
36KB

MD5
75f71713a429589e87cf2656107d2bfc

SHA1
f7608ef62a45822e9300d390064e667028b75dea

SHA256
b6fff95a74f9847f1a4282b38f148d80e4684d9c35d9ae79fad813d5dc0fd7a9

SHA512
cfadd55e93f00a91e9c6c3804725aa85e65e76039ec6021607ce7bb5dd30369329aae7cd11344c703094090e1f9be513988703f9a4cb8b2223464254a9104b93

Download Submit
\Users\Admin\AppData\Local\Temp\api-ms-win-core-advapi-l1-1-0.dll

Filesize
36KB

MD5
75f71713a429589e87cf2656107d2bfc

SHA1
f7608ef62a45822e9300d390064e667028b75dea

SHA256
b6fff95a74f9847f1a4282b38f148d80e4684d9c35d9ae79fad813d5dc0fd7a9

SHA512
cfadd55e93f00a91e9c6c3804725aa85e65e76039ec6021607ce7bb5dd30369329aae7cd11344c703094090e1f9be513988703f9a4cb8b2223464254a9104b93

Download Submit
memory/1848-64-0x0000000001C20000-0x0000000001C21000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads