68315e1feb6ef2fb06932f144099d61724443acbd3d69e763901dd79293002f5

General

Target

68315e1feb6ef2fb06932f144099d61724443acbd3d69e763901dd79293002f5.xlsm
Size

30KB
MD5

a4b78de4410c0e207506e26bb8b5ed7e
SHA1

bcbd442fffd082a52a7e9efbf798fb8b58066cc7
SHA256

68315e1feb6ef2fb06932f144099d61724443acbd3d69e763901dd79293002f5
SHA512

48088cb69a3f337c7532398039964a9cb64c9fa793bf74de39031767d17548133e8a9f174a2cb1f7f5af9f8b5cee25f741f9b6c5f5547b422804a4ce2f5213b4
SSDEEP

384:HwdAZPFhNjUA7icg0SCdiVAg2GKgUrNU/qWhZOdBNPJM+kqr9eCgh0k5NGE6h:QdwFhNbiH2rndFfPdkqstJNGE6h

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.ajaxmatters.com/c7g8t/hAQX/

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	3744	3968	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
3968	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3968	EXCEL.EXE
3968	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 3744	3968	EXCEL.EXE	89
PID 3968 wrote to memory of 3744	3968	EXCEL.EXE	89
PID 3968 wrote to memory of 3744	3968	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\68315e1feb6ef2fb06932f144099d61724443acbd3d69e763901dd79293002f5.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:3968
- 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:3744

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
685B

MD5
a3b8c86da9787188f1f06eae30e8f9fa

SHA1
71fa49153a0711af6b5f7ffbe796f2ffbc9d5ced

SHA256
72c7e1f2731647010a2d81ac6a84c15067d5cc20cd89db227c3dbb5d8c396173

SHA512
42cc48be4bf48f557892dbf6feb1c51b0039fd126ddaad268d350bd0597af80dd2057b52fd3075d500b2eda469c2262fa30beb168ff4a89d9f6c65945b216b2b

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

Filesize
23KB

MD5
4ed8ca5542b641fddd200acebadf4e3c

SHA1
41fd7fb6cb84805fbc229cbf13620f80a5008003

SHA256
3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33

SHA512
866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

Download Submit
memory/3968-10-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3968-13-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3968-6-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3968-9-0x00007FFF77110000-0x00007FFF77120000-memory.dmp

Filesize
64KB

Download
memory/3968-8-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3968-7-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3968-5-0x00007FFF77110000-0x00007FFF77120000-memory.dmp

Filesize
64KB

Download
memory/3968-4-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3968-0-0x00007FFF77110000-0x00007FFF77120000-memory.dmp

Filesize
64KB

Download
memory/3968-11-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3968-12-0x00007FFF74DD0000-0x00007FFF74DE0000-memory.dmp

Filesize
64KB

Download
memory/3968-3-0x00007FFF77110000-0x00007FFF77120000-memory.dmp

Filesize
64KB

Download
memory/3968-15-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3968-14-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3968-16-0x00007FFF74DD0000-0x00007FFF74DE0000-memory.dmp

Filesize
64KB

Download
memory/3968-17-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3968-2-0x00007FFF77110000-0x00007FFF77120000-memory.dmp

Filesize
64KB

Download
memory/3968-39-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3968-40-0x00007FFFB712D000-0x00007FFFB712E000-memory.dmp

Filesize
4KB

Download
memory/3968-41-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3968-1-0x00007FFFB712D000-0x00007FFFB712E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads