982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8

Analysis

max time kernel
146s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
11-10-2022 14:46

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General

Target

982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe
Size

338KB
MD5

1a6e98a94b85f52007fd959f6b8bc110
SHA1

f3bdccb0d1a136cef5af28d95b3b378fb8e204ed
SHA256

982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8
SHA512

1c2301bf20e4c730324aec545b2aab9eb6001ffd1da89ccf211a590eee5a51afc5dc82cd78709c71e7fddd53730dba4bb538478369058dcb58c4325b63c61d26
SSDEEP

6144:i4V7nL2adqmpbSwQYpdE9nOYrGFigjeMpMwpmCezgpHreXFI8:i4V7nL2a9pR109n7rOiupu3zgt8a8

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1444	svchost.exe
1448	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1732	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe
1732	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\svchost.exe"	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe

Enumerates connected drives 3 TTPs 22 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)	\??\F:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1064 set thread context of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1444 set thread context of 1448	1444	svchost.exe	29

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe
1444	svchost.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1064 wrote to memory of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1064 wrote to memory of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1064 wrote to memory of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1064 wrote to memory of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1064 wrote to memory of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1064 wrote to memory of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1064 wrote to memory of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1064 wrote to memory of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1064 wrote to memory of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1064 wrote to memory of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1064 wrote to memory of 1732	1064	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	27
PID 1732 wrote to memory of 1444	1732	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	28
PID 1732 wrote to memory of 1444	1732	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	28
PID 1732 wrote to memory of 1444	1732	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	28
PID 1732 wrote to memory of 1444	1732	982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe	28
PID 1444 wrote to memory of 1448	1444	svchost.exe	29
PID 1444 wrote to memory of 1448	1444	svchost.exe	29
PID 1444 wrote to memory of 1448	1444	svchost.exe	29
PID 1444 wrote to memory of 1448	1444	svchost.exe	29
PID 1444 wrote to memory of 1448	1444	svchost.exe	29
PID 1444 wrote to memory of 1448	1444	svchost.exe	29
PID 1444 wrote to memory of 1448	1444	svchost.exe	29
PID 1444 wrote to memory of 1448	1444	svchost.exe	29
PID 1444 wrote to memory of 1448	1444	svchost.exe	29
PID 1444 wrote to memory of 1448	1444	svchost.exe	29
PID 1444 wrote to memory of 1448	1444	svchost.exe	29
PID 1444 wrote to memory of 1448	1444	svchost.exe	29

C:\Users\Admin\AppData\Local\Temp\982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe
"C:\Users\Admin\AppData\Local\Temp\982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Users\Admin\AppData\Local\Temp\982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe
  "C:\Users\Admin\AppData\Local\Temp\982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1444
  - - C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
      4⤵
      Executes dropped EXE
      Enumerates connected drives
      PID:1448

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

Filesize
338KB

MD5
1a6e98a94b85f52007fd959f6b8bc110

SHA1
f3bdccb0d1a136cef5af28d95b3b378fb8e204ed

SHA256
982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8

SHA512
1c2301bf20e4c730324aec545b2aab9eb6001ffd1da89ccf211a590eee5a51afc5dc82cd78709c71e7fddd53730dba4bb538478369058dcb58c4325b63c61d26

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

Filesize
338KB

MD5
1a6e98a94b85f52007fd959f6b8bc110

SHA1
f3bdccb0d1a136cef5af28d95b3b378fb8e204ed

SHA256
982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8

SHA512
1c2301bf20e4c730324aec545b2aab9eb6001ffd1da89ccf211a590eee5a51afc5dc82cd78709c71e7fddd53730dba4bb538478369058dcb58c4325b63c61d26

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

Filesize
338KB

MD5
1a6e98a94b85f52007fd959f6b8bc110

SHA1
f3bdccb0d1a136cef5af28d95b3b378fb8e204ed

SHA256
982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8

SHA512
1c2301bf20e4c730324aec545b2aab9eb6001ffd1da89ccf211a590eee5a51afc5dc82cd78709c71e7fddd53730dba4bb538478369058dcb58c4325b63c61d26

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

Filesize
338KB

MD5
1a6e98a94b85f52007fd959f6b8bc110

SHA1
f3bdccb0d1a136cef5af28d95b3b378fb8e204ed

SHA256
982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8

SHA512
1c2301bf20e4c730324aec545b2aab9eb6001ffd1da89ccf211a590eee5a51afc5dc82cd78709c71e7fddd53730dba4bb538478369058dcb58c4325b63c61d26

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

Filesize
338KB

MD5
1a6e98a94b85f52007fd959f6b8bc110

SHA1
f3bdccb0d1a136cef5af28d95b3b378fb8e204ed

SHA256
982771c03b24a060549712a487f9d8f0d850fd35cc8a0578c79f1ba05c5793e8

SHA512
1c2301bf20e4c730324aec545b2aab9eb6001ffd1da89ccf211a590eee5a51afc5dc82cd78709c71e7fddd53730dba4bb538478369058dcb58c4325b63c61d26

Download Submit
memory/1064-70-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1444-97-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1444-76-0x0000000000000000-mapping.dmp

Download
memory/1448-100-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1448-99-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1448-98-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1448-93-0x000000000041B238-mapping.dmp

Download
memory/1732-65-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1732-73-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1732-72-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1732-71-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

Download
memory/1732-69-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1732-68-0x000000000041B238-mapping.dmp

Download
memory/1732-67-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1732-56-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1732-63-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1732-62-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1732-60-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1732-59-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1732-57-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download