a588deb21b9bb9f00c2955f80023fa71b83fdae505b64e35224e5649d80f5a75

General

Target

a588deb21b9bb9f00c2955f80023fa71b83fdae505b64e35224e5649d80f5a75.xlsm
Size

48KB
MD5

dc631a1dcb7a97ca86f0baf1f7c33173
SHA1

facb9c0ea7d6f342d762615e5efb18159945d7e9
SHA256

a588deb21b9bb9f00c2955f80023fa71b83fdae505b64e35224e5649d80f5a75
SHA512

14ba04b9276f9236a5c72e8ba02265d7d772ff0b8f90099c25e9f52101413fd199ba76feceb3216a20916f9dcf90c874652dde887ef6aff550fed05f51245963
SSDEEP

768:DO+CAEWvxRc3mlkKDNWBA7rTj+RYV8Q0RuVBR2jPrtysHRX0AOBAa:D7O2b8QkKDNck01u/R2rZyjtBl

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://suleyera.com/components/CNGhltc5v2K6/

xlm40.dropper

http://sociallysavvyseo.com/PinnacleDynamicServices/pRlYMzvfuu5B/

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	4544	4256	regsvr32.exe	81

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4256	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4256	EXCEL.EXE
4256	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 4544	4256	EXCEL.EXE	89
PID 4256 wrote to memory of 4544	4256	EXCEL.EXE	89
PID 4256 wrote to memory of 4544	4256	EXCEL.EXE	89

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a588deb21b9bb9f00c2955f80023fa71b83fdae505b64e35224e5649d80f5a75.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:4256
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\ax.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:4544

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
1e9bcc45bb0d7c8edda5f2ea8f561966

SHA1
631ffb00623f8cc964a17709d4b93f25c11b44a2

SHA256
6a61062a627f9c2272be845ee12e23c6f9a7a8647b997055cfa7476255980d89

SHA512
625f38f9b8123cf2255adaee6fdc73b9eb6a7275ba2196acf1c386884ac4c77450ae7877e3a6733d18cfff26a845e5396f5f33cd3280d68634f9fa5029c7a78e

Download Submit
C:\Users\Admin\ax.ocx

Filesize
7KB

MD5
fc250a2589e567b2a63d934ab6be1fa9

SHA1
4ba1a4afdd9488389eda5dc8a8fc1b6713ce29e4

SHA256
fb551dbf1e7abb4a0af4f82f23e423a451b977587282c521dda07e61c35cb42d

SHA512
3b53091ef2241db8bfbdacaa90c117d2929997430421d69e064f6fc4b6e0afbb5e71b1caf15a2d83d9028e3b78a99da60af50249513ca35731bbf2eafa95ed28

Download Submit
memory/4256-11-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-5-0x00007FFFB0630000-0x00007FFFB0640000-memory.dmp

Filesize
64KB

Download
memory/4256-16-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-6-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-15-0x00007FFFADF90000-0x00007FFFADFA0000-memory.dmp

Filesize
64KB

Download
memory/4256-4-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-9-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-17-0x00007FFFADF90000-0x00007FFFADFA0000-memory.dmp

Filesize
64KB

Download
memory/4256-10-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-12-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-1-0x00007FFFF064D000-0x00007FFFF064E000-memory.dmp

Filesize
4KB

Download
memory/4256-14-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-7-0x00007FFFB0630000-0x00007FFFB0640000-memory.dmp

Filesize
64KB

Download
memory/4256-2-0x00007FFFB0630000-0x00007FFFB0640000-memory.dmp

Filesize
64KB

Download
memory/4256-8-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-18-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-19-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-20-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-13-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-33-0x00007FFFF064D000-0x00007FFFF064E000-memory.dmp

Filesize
4KB

Download
memory/4256-36-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-37-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-38-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-3-0x00007FFFB0630000-0x00007FFFB0640000-memory.dmp

Filesize
64KB

Download
memory/4256-0-0x00007FFFB0630000-0x00007FFFB0640000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads