52c43d13e98f04db173c9c5cd47e619a9fcbbafd54fafeb02dec51edcf1aabf4

Analysis

max time kernel
141s
max time network
151s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 20:53

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General

Target

Trojan-Ransom.Win32.Blocker.exe
Size

298KB
MD5

64a213db984a605dce653c6c69eb9535
SHA1

7cb7f3b63231247ef65c7aa2a481d5e737b787e2
SHA256

52c43d13e98f04db173c9c5cd47e619a9fcbbafd54fafeb02dec51edcf1aabf4
SHA512

b744e7f6242de4c875ae981c623e05edf3bfe16a1e856a2339725f31867bb57c718cf51bee7d2c13614ff4a9531a70ac506d500ff068ef7b1cc7e3dd0a84652f
SSDEEP

3072:EFmKwW7uC80JyxpAf/hYr9+RfYYbQHXS9ih3ijZywh7f3x+:0ee8BpC5bQ3SOYB7fI

Score

6^/10

persistence

Malware Config

Signatures

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\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe System Incorporated = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Adobe\\Reader_sl.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nctstf = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Nctstf.exe"	notepad.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)	\??\P:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\D:	notepad.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1380 set thread context of 536	1380	Trojan-Ransom.Win32.Blocker.exe	30

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1380	Trojan-Ransom.Win32.Blocker.exe
1380	Trojan-Ransom.Win32.Blocker.exe
544	svchost.exe
536	Trojan-Ransom.Win32.Blocker.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1380	Trojan-Ransom.Win32.Blocker.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	536	Trojan-Ransom.Win32.Blocker.exe
Token: SeDebugPrivilege	544	svchost.exe
Token: SeDebugPrivilege	980	calc.exe
Token: SeDebugPrivilege	1116	notepad.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 980	1380	Trojan-Ransom.Win32.Blocker.exe	27
PID 1380 wrote to memory of 544	1380	Trojan-Ransom.Win32.Blocker.exe	28
PID 1380 wrote to memory of 544	1380	Trojan-Ransom.Win32.Blocker.exe	28
PID 1380 wrote to memory of 544	1380	Trojan-Ransom.Win32.Blocker.exe	28
PID 1380 wrote to memory of 980	1380	Trojan-Ransom.Win32.Blocker.exe	27
PID 1380 wrote to memory of 980	1380	Trojan-Ransom.Win32.Blocker.exe	27
PID 1380 wrote to memory of 544	1380	Trojan-Ransom.Win32.Blocker.exe	28
PID 1380 wrote to memory of 980	1380	Trojan-Ransom.Win32.Blocker.exe	27
PID 1380 wrote to memory of 980	1380	Trojan-Ransom.Win32.Blocker.exe	27
PID 1380 wrote to memory of 980	1380	Trojan-Ransom.Win32.Blocker.exe	27
PID 1380 wrote to memory of 544	1380	Trojan-Ransom.Win32.Blocker.exe	28
PID 544 wrote to memory of 1116	544	svchost.exe	29
PID 544 wrote to memory of 1116	544	svchost.exe	29
PID 544 wrote to memory of 1116	544	svchost.exe	29
PID 544 wrote to memory of 1116	544	svchost.exe	29
PID 544 wrote to memory of 1116	544	svchost.exe	29
PID 1380 wrote to memory of 536	1380	Trojan-Ransom.Win32.Blocker.exe	30
PID 1380 wrote to memory of 536	1380	Trojan-Ransom.Win32.Blocker.exe	30
PID 1380 wrote to memory of 536	1380	Trojan-Ransom.Win32.Blocker.exe	30
PID 1380 wrote to memory of 536	1380	Trojan-Ransom.Win32.Blocker.exe	30
PID 1380 wrote to memory of 536	1380	Trojan-Ransom.Win32.Blocker.exe	30
PID 1380 wrote to memory of 536	1380	Trojan-Ransom.Win32.Blocker.exe	30
PID 1380 wrote to memory of 536	1380	Trojan-Ransom.Win32.Blocker.exe	30
PID 1380 wrote to memory of 536	1380	Trojan-Ransom.Win32.Blocker.exe	30
PID 1380 wrote to memory of 536	1380	Trojan-Ransom.Win32.Blocker.exe	30
PID 1380 wrote to memory of 536	1380	Trojan-Ransom.Win32.Blocker.exe	30
PID 536 wrote to memory of 544	536	Trojan-Ransom.Win32.Blocker.exe	28
PID 536 wrote to memory of 544	536	Trojan-Ransom.Win32.Blocker.exe	28
PID 536 wrote to memory of 980	536	Trojan-Ransom.Win32.Blocker.exe	27
PID 536 wrote to memory of 980	536	Trojan-Ransom.Win32.Blocker.exe	27
PID 536 wrote to memory of 1116	536	Trojan-Ransom.Win32.Blocker.exe	29
PID 536 wrote to memory of 1116	536	Trojan-Ransom.Win32.Blocker.exe	29

C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1380
- C:\Windows\SysWOW64\calc.exe
  "C:\Windows\SysWOW64\calc.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:980
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.exe"
  2⤵
  - Adds Run key to start application
  - Enumerates connected drives
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:544
- - C:\Windows\SysWOW64\notepad.exe
    "C:\Windows\SysWOW64\notepad.exe"
    3⤵
    - Adds Run key to start application
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1116
- C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:536

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

memory/536-71-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/536-110-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/536-88-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/536-83-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/536-74-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/536-77-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/536-80-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/536-72-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/544-106-0x0000000000190000-0x00000000001DE000-memory.dmp

Filesize
312KB

Download
memory/544-126-0x0000000000190000-0x00000000001DE000-memory.dmp

Filesize
312KB

Download
memory/544-119-0x0000000000190000-0x00000000001DE000-memory.dmp

Filesize
312KB

Download
memory/544-113-0x0000000000190000-0x00000000001DE000-memory.dmp

Filesize
312KB

Download
memory/544-98-0x0000000000190000-0x00000000001DE000-memory.dmp

Filesize
312KB

Download
memory/544-79-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/544-93-0x0000000000190000-0x00000000001DE000-memory.dmp

Filesize
312KB

Download
memory/544-56-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/980-108-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/980-125-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/980-55-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/980-115-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/980-121-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/980-97-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/980-81-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/980-102-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/1116-104-0x00000000001D0000-0x000000000021E000-memory.dmp

Filesize
312KB

Download
memory/1116-68-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1116-111-0x00000000001D0000-0x000000000021E000-memory.dmp

Filesize
312KB

Download
memory/1116-69-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1116-67-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1116-85-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1116-70-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1116-124-0x00000000001D0000-0x000000000021E000-memory.dmp

Filesize
312KB

Download
memory/1116-117-0x00000000001D0000-0x000000000021E000-memory.dmp

Filesize
312KB

Download
memory/1380-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download
memory/1380-76-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download