845a305853710ebae7daeb42a7bd3638af0b0d62ed6b28cab345464e07ae6208

Analysis

max time kernel
150s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
25/04/2024, 07:43

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General

Target

详情系统.exe
Size

2.5MB
MD5

cac20a183ef9a5b197b35fdb2909eff9
SHA1

211c850a88b18a012f36e2917cee758e26b88422
SHA256

845a305853710ebae7daeb42a7bd3638af0b0d62ed6b28cab345464e07ae6208
SHA512

0315f0b8d0838b9e3e572e63f4a1bccb35fd5c22f9824124661179b9c6e72be5bfacc0f410033e025e23c840add866c22d8fecf870bb7dcb035b420ffc768c77
SSDEEP

49152:YBkKZL6TWr4ukkiJpzqk9vMF2MFpuEAAWiQfIJ7DI:kkK3cukouE3UIt

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4740	v8_context_snapshot.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)	\??\R:	v8_context_snapshot.exe
File opened (read-only)	\??\U:	v8_context_snapshot.exe
File opened (read-only)	\??\X:	v8_context_snapshot.exe
File opened (read-only)	\??\E:	v8_context_snapshot.exe
File opened (read-only)	\??\G:	v8_context_snapshot.exe
File opened (read-only)	\??\M:	v8_context_snapshot.exe
File opened (read-only)	\??\Q:	v8_context_snapshot.exe
File opened (read-only)	\??\T:	v8_context_snapshot.exe
File opened (read-only)	\??\Z:	v8_context_snapshot.exe
File opened (read-only)	\??\K:	v8_context_snapshot.exe
File opened (read-only)	\??\L:	v8_context_snapshot.exe
File opened (read-only)	\??\O:	v8_context_snapshot.exe
File opened (read-only)	\??\W:	v8_context_snapshot.exe
File opened (read-only)	\??\Y:	v8_context_snapshot.exe
File opened (read-only)	\??\B:	v8_context_snapshot.exe
File opened (read-only)	\??\J:	v8_context_snapshot.exe
File opened (read-only)	\??\P:	v8_context_snapshot.exe
File opened (read-only)	\??\S:	v8_context_snapshot.exe
File opened (read-only)	\??\V:	v8_context_snapshot.exe
File opened (read-only)	\??\H:	v8_context_snapshot.exe
File opened (read-only)	\??\I:	v8_context_snapshot.exe
File opened (read-only)	\??\N:	v8_context_snapshot.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
45	api.ipify.org
46	api.ipify.org

Enumerates processes with tasklist 1 TTPs 5 IoCs

Process Discovery

T1057

pid	Process
936	tasklist.exe
2624	tasklist.exe
1884	tasklist.exe
2396	tasklist.exe
4224	tasklist.exe

Runs ping.exe 1 TTPs 5 IoCs

Remote System Discovery

T1018

pid	Process
1812	PING.EXE
5044	PING.EXE
1968	PING.EXE
2056	PING.EXE
2532	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
1812	详情系统.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe
4740	v8_context_snapshot.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1812	详情系统.exe
Token: SeCreateTokenPrivilege	1812	详情系统.exe
Token: SeAssignPrimaryTokenPrivilege	1812	详情系统.exe
Token: SeLockMemoryPrivilege	1812	详情系统.exe
Token: SeIncreaseQuotaPrivilege	1812	详情系统.exe
Token: SeMachineAccountPrivilege	1812	详情系统.exe
Token: SeTcbPrivilege	1812	详情系统.exe
Token: SeSecurityPrivilege	1812	详情系统.exe
Token: SeTakeOwnershipPrivilege	1812	详情系统.exe
Token: SeLoadDriverPrivilege	1812	详情系统.exe
Token: SeSystemProfilePrivilege	1812	详情系统.exe
Token: SeSystemtimePrivilege	1812	详情系统.exe
Token: SeProfSingleProcessPrivilege	1812	详情系统.exe
Token: SeIncBasePriorityPrivilege	1812	详情系统.exe
Token: SeCreatePagefilePrivilege	1812	详情系统.exe
Token: SeCreatePermanentPrivilege	1812	详情系统.exe
Token: SeBackupPrivilege	1812	详情系统.exe
Token: SeRestorePrivilege	1812	详情系统.exe
Token: SeShutdownPrivilege	1812	详情系统.exe
Token: SeDebugPrivilege	1812	详情系统.exe
Token: SeAuditPrivilege	1812	详情系统.exe
Token: SeSystemEnvironmentPrivilege	1812	详情系统.exe
Token: SeChangeNotifyPrivilege	1812	详情系统.exe
Token: SeRemoteShutdownPrivilege	1812	详情系统.exe
Token: SeUndockPrivilege	1812	详情系统.exe
Token: SeSyncAgentPrivilege	1812	详情系统.exe
Token: SeEnableDelegationPrivilege	1812	详情系统.exe
Token: SeManageVolumePrivilege	1812	详情系统.exe
Token: SeImpersonatePrivilege	1812	详情系统.exe
Token: SeCreateGlobalPrivilege	1812	详情系统.exe
Token: 31	1812	详情系统.exe
Token: 32	1812	详情系统.exe
Token: 33	1812	详情系统.exe
Token: 34	1812	详情系统.exe
Token: 35	1812	详情系统.exe
Token: SeDebugPrivilege	2624	tasklist.exe
Token: SeDebugPrivilege	4740	v8_context_snapshot.exe
Token: SeCreateTokenPrivilege	4740	v8_context_snapshot.exe
Token: SeAssignPrimaryTokenPrivilege	4740	v8_context_snapshot.exe
Token: SeLockMemoryPrivilege	4740	v8_context_snapshot.exe
Token: SeIncreaseQuotaPrivilege	4740	v8_context_snapshot.exe
Token: SeMachineAccountPrivilege	4740	v8_context_snapshot.exe
Token: SeTcbPrivilege	4740	v8_context_snapshot.exe
Token: SeSecurityPrivilege	4740	v8_context_snapshot.exe
Token: SeTakeOwnershipPrivilege	4740	v8_context_snapshot.exe
Token: SeLoadDriverPrivilege	4740	v8_context_snapshot.exe
Token: SeSystemProfilePrivilege	4740	v8_context_snapshot.exe
Token: SeSystemtimePrivilege	4740	v8_context_snapshot.exe
Token: SeProfSingleProcessPrivilege	4740	v8_context_snapshot.exe
Token: SeIncBasePriorityPrivilege	4740	v8_context_snapshot.exe
Token: SeCreatePagefilePrivilege	4740	v8_context_snapshot.exe
Token: SeCreatePermanentPrivilege	4740	v8_context_snapshot.exe
Token: SeBackupPrivilege	4740	v8_context_snapshot.exe
Token: SeRestorePrivilege	4740	v8_context_snapshot.exe
Token: SeShutdownPrivilege	4740	v8_context_snapshot.exe
Token: SeDebugPrivilege	4740	v8_context_snapshot.exe
Token: SeAuditPrivilege	4740	v8_context_snapshot.exe
Token: SeSystemEnvironmentPrivilege	4740	v8_context_snapshot.exe
Token: SeChangeNotifyPrivilege	4740	v8_context_snapshot.exe
Token: SeRemoteShutdownPrivilege	4740	v8_context_snapshot.exe
Token: SeUndockPrivilege	4740	v8_context_snapshot.exe
Token: SeSyncAgentPrivilege	4740	v8_context_snapshot.exe
Token: SeEnableDelegationPrivilege	4740	v8_context_snapshot.exe
Token: SeManageVolumePrivilege	4740	v8_context_snapshot.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1812	详情系统.exe
4740	v8_context_snapshot.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 400	1812	详情系统.exe	98
PID 1812 wrote to memory of 400	1812	详情系统.exe	98
PID 400 wrote to memory of 2624	400	cmd.exe	100
PID 400 wrote to memory of 2624	400	cmd.exe	100
PID 400 wrote to memory of 4412	400	cmd.exe	101
PID 400 wrote to memory of 4412	400	cmd.exe	101
PID 400 wrote to memory of 3624	400	cmd.exe	102
PID 400 wrote to memory of 3624	400	cmd.exe	102
PID 400 wrote to memory of 5044	400	cmd.exe	103
PID 400 wrote to memory of 5044	400	cmd.exe	103
PID 1812 wrote to memory of 4740	1812	详情系统.exe	104
PID 1812 wrote to memory of 4740	1812	详情系统.exe	104
PID 400 wrote to memory of 1884	400	cmd.exe	110
PID 400 wrote to memory of 1884	400	cmd.exe	110
PID 400 wrote to memory of 3364	400	cmd.exe	111
PID 400 wrote to memory of 3364	400	cmd.exe	111
PID 400 wrote to memory of 1968	400	cmd.exe	112
PID 400 wrote to memory of 1968	400	cmd.exe	112
PID 400 wrote to memory of 2396	400	cmd.exe	114
PID 400 wrote to memory of 2396	400	cmd.exe	114
PID 400 wrote to memory of 936	400	cmd.exe	115
PID 400 wrote to memory of 936	400	cmd.exe	115
PID 400 wrote to memory of 2056	400	cmd.exe	116
PID 400 wrote to memory of 2056	400	cmd.exe	116
PID 400 wrote to memory of 4224	400	cmd.exe	121
PID 400 wrote to memory of 4224	400	cmd.exe	121
PID 400 wrote to memory of 4044	400	cmd.exe	122
PID 400 wrote to memory of 4044	400	cmd.exe	122
PID 400 wrote to memory of 2532	400	cmd.exe	123
PID 400 wrote to memory of 2532	400	cmd.exe	123
PID 400 wrote to memory of 936	400	cmd.exe	131
PID 400 wrote to memory of 936	400	cmd.exe	131
PID 400 wrote to memory of 228	400	cmd.exe	132
PID 400 wrote to memory of 228	400	cmd.exe	132
PID 400 wrote to memory of 1812	400	cmd.exe	133
PID 400 wrote to memory of 1812	400	cmd.exe	133

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\详情系统.exe
"C:\Users\Admin\AppData\Local\Temp\详情系统.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\ProgramData\开机广告屏蔽.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:400
- - C:\Windows\system32\tasklist.exe
    tasklist /FI "IMAGENAME eq v8_context_snapshot.exe"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2624
- - C:\Windows\system32\find.exe
    find /I /N "v8_context_snapshot.exe"
    3⤵
    PID:4412
- - C:\Windows\system32\cmd.exe
    cmd /C C:\ProgramData\v8_context_snapshot.exe
    3⤵
    PID:3624
- - C:\Windows\system32\PING.EXE
    ping -n 31 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:5044
- - C:\Windows\system32\tasklist.exe
    tasklist /FI "IMAGENAME eq v8_context_snapshot.exe"
    3⤵
    - Enumerates processes with tasklist
    PID:1884
- - C:\Windows\system32\find.exe
    find /I /N "v8_context_snapshot.exe"
    3⤵
    PID:3364
- - C:\Windows\system32\PING.EXE
    ping -n 31 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1968
- - C:\Windows\system32\tasklist.exe
    tasklist /FI "IMAGENAME eq v8_context_snapshot.exe"
    3⤵
    - Enumerates processes with tasklist
    PID:2396
- - C:\Windows\system32\find.exe
    find /I /N "v8_context_snapshot.exe"
    3⤵
    PID:936
- - C:\Windows\system32\PING.EXE
    ping -n 31 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2056
- - C:\Windows\system32\tasklist.exe
    tasklist /FI "IMAGENAME eq v8_context_snapshot.exe"
    3⤵
    - Enumerates processes with tasklist
    PID:4224
- - C:\Windows\system32\find.exe
    find /I /N "v8_context_snapshot.exe"
    3⤵
    PID:4044
- - C:\Windows\system32\PING.EXE
    ping -n 31 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2532
- - C:\Windows\system32\tasklist.exe
    tasklist /FI "IMAGENAME eq v8_context_snapshot.exe"
    3⤵
    - Enumerates processes with tasklist
    PID:936
- - C:\Windows\system32\find.exe
    find /I /N "v8_context_snapshot.exe"
    3⤵
    PID:228
- - C:\Windows\system32\PING.EXE
    ping -n 31 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1812
- C:\ProgramData\v8_context_snapshot.exe
  "C:\ProgramData\v8_context_snapshot.exe"
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\v8_context_snapshot.exe

Filesize
2.5MB

MD5
cac20a183ef9a5b197b35fdb2909eff9

SHA1
211c850a88b18a012f36e2917cee758e26b88422

SHA256
845a305853710ebae7daeb42a7bd3638af0b0d62ed6b28cab345464e07ae6208

SHA512
0315f0b8d0838b9e3e572e63f4a1bccb35fd5c22f9824124661179b9c6e72be5bfacc0f410033e025e23c840add866c22d8fecf870bb7dcb035b420ffc768c77

Download Submit
C:\ProgramData\开机广告屏蔽.bat

Filesize
327B

MD5
9da00aa36143a44d51d004990538ebcf

SHA1
41557831264f7e2abe0ba0d42e43462ae8f54d2b

SHA256
02036c09d4ed7e889ec5111627868b37a0d144b5975b622de131437663b66358

SHA512
440201d505863b3145d7ada1d50e3d355e88000f62d4717d1368e30a2dfdfd8d18ef8b3ea19f62a8e3497a5082e55048bd29eda9ef7f271d74b2012dda1be818

Download Submit
memory/1812-1-0x0000000003630000-0x000000000368B000-memory.dmp

Filesize
364KB

Download
memory/1812-0-0x0000000003800000-0x0000000003862000-memory.dmp

Filesize
392KB

Download
memory/1812-3-0x0000000003800000-0x0000000003862000-memory.dmp

Filesize
392KB

Download
memory/1812-10-0x0000000003800000-0x0000000003862000-memory.dmp

Filesize
392KB

Download
memory/1812-2-0x0000000003800000-0x0000000003862000-memory.dmp

Filesize
392KB

Download
memory/4740-15-0x0000000002E60000-0x0000000002EC2000-memory.dmp

Filesize
392KB

Download
memory/4740-16-0x0000000002E60000-0x0000000002EC2000-memory.dmp

Filesize
392KB

Download
memory/4740-18-0x0000000002E60000-0x0000000002EC2000-memory.dmp

Filesize
392KB

Download
memory/4740-19-0x0000000002E60000-0x0000000002EC2000-memory.dmp

Filesize
392KB

Download
memory/4740-21-0x0000000002E60000-0x0000000002EC2000-memory.dmp

Filesize
392KB

Download
memory/4740-20-0x0000000002E60000-0x0000000002EC2000-memory.dmp

Filesize
392KB

Download
memory/4740-29-0x0000000002E60000-0x0000000002EC2000-memory.dmp

Filesize
392KB

Download