024f6086a2047a875c8589f8474030be1b38d8f1b8f902eb466aa1d1c2c5ffa1

General

Target

024f6086a2047a875c8589f8474030be1b38d8f1b8f902eb466aa1d1c2c5ffa1.xlsm
Size

30KB
MD5

57ae023feb4532e62c44c809f0c8dcff
SHA1

f1e3a9de686d5401476f28a83d789a2195adc5e8
SHA256

024f6086a2047a875c8589f8474030be1b38d8f1b8f902eb466aa1d1c2c5ffa1
SHA512

4e84283a658fa396e18be152db6c859d1d1a36afc6464a5ee206bb3ac734304491b8a45165c3a659446411d62c70811d99f2b756d119f1a54926704d79837338
SSDEEP

384:7842JZPFhNjtOA7icg0SCdiVH2KgUrNU/qWhZOdBNPJM+kqr9eCgh0k5M2E6v:sHFhNZliH2ydFfPdkqstJhE6v

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://henrysfreshroast.com/6cc4ts0bkrOlXq/

Signatures

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	352	4204	regsvr32.exe	82

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	regsvr32.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

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

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

pid	Process
4204	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4204	EXCEL.EXE
4204	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 352	4204	EXCEL.EXE	93
PID 4204 wrote to memory of 352	4204	EXCEL.EXE	93
PID 4204 wrote to memory of 352	4204	EXCEL.EXE	93

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\024f6086a2047a875c8589f8474030be1b38d8f1b8f902eb466aa1d1c2c5ffa1.xlsm"
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:4204
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

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\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
46023bfddc30287504b22968d6e5cada

SHA1
d1109936ab5eba5cc1dfeed9ccb6d30da7d71600

SHA256
2da80bf76d32d43152a84a2c6a45ac9a3486f489b31b8a9a448d291ef9b40d74

SHA512
af82659d165a7abf35d042257df8b0f64b3249367ceb648b1af0576ed855de057d630c7b970720d3da94c7f56e7fb990c9fae69e1faef478655f35f17faf288a

Download Submit
C:\Users\Admin\rfs.dll

Filesize
56KB

MD5
d5cbf3235a39c09c9d292dafdf0393a5

SHA1
ae109e202e6f0965b47f38ee29b3725800939a9f

SHA256
208d15c175407bc56c9e1d1a6e31290cf8c04fe1da742e4ad0dbe06960b7f1dd

SHA512
202212aeb1cabe772e05ec7649b83be4a04b68b644a1621993e91e370dc0b9de268ea50f0dab3a74178ecb648d06b5173222d3ed1f0e31d04abeded020b079bd

Download Submit
memory/4204-11-0x00007FFD1D390000-0x00007FFD1D3A0000-memory.dmp

Filesize
64KB

Download
memory/4204-10-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-6-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-5-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

Filesize
64KB

Download
memory/4204-4-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-8-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

Filesize
64KB

Download
memory/4204-7-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-15-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-14-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-12-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-3-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

Filesize
64KB

Download
memory/4204-0-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

Filesize
64KB

Download
memory/4204-9-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-13-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-16-0x00007FFD1D390000-0x00007FFD1D3A0000-memory.dmp

Filesize
64KB

Download
memory/4204-18-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-17-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-1-0x00007FFD5FC8D000-0x00007FFD5FC8E000-memory.dmp

Filesize
4KB

Download
memory/4204-40-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-41-0x00007FFD5FC8D000-0x00007FFD5FC8E000-memory.dmp

Filesize
4KB

Download
memory/4204-42-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-43-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-2-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads