49e315aa89bf10972518c3069a767c869bbf7027c298afd11ab21040285b3f9e

General

Target

cancel_sub_JPL12345678901234.xlsb
Size

260KB
MD5

80fdec003c86c583473a9fbbabf40d2f
SHA1

991940040a50a0be56572e4a9ab73d6d4dbab050
SHA256

49e315aa89bf10972518c3069a767c869bbf7027c298afd11ab21040285b3f9e
SHA512

022475db6593d15bdcc1411f7c3b88a8822311f621506401ad3ba33ddc2a52ae6e97e4357e3742bf59ef287c033f5363cb5d2021be793d5552a3a8b73b85cfa5

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1304	2016	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

26 3392 rundll32.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3392 rundll32.exe

flow	pid	process
26	3392	rundll32.exe

pid	process
3392	rundll32.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

Processes:

EXCEL.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

2016 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

EXCEL.EXEcmd.exerundll32.exe

description	pid	process	target process
PID 2016 wrote to memory of 1304	2016	EXCEL.EXE	cmd.exe
PID 2016 wrote to memory of 1304	2016	EXCEL.EXE	cmd.exe
PID 1304 wrote to memory of 2464	1304	cmd.exe	certutil.exe
PID 1304 wrote to memory of 2464	1304	cmd.exe	certutil.exe
PID 1304 wrote to memory of 3732	1304	cmd.exe	rundll32.exe
PID 1304 wrote to memory of 3732	1304	cmd.exe	rundll32.exe
PID 3732 wrote to memory of 3392	3732	rundll32.exe	rundll32.exe
PID 3732 wrote to memory of 3392	3732	rundll32.exe	rundll32.exe
PID 3732 wrote to memory of 3392	3732	rundll32.exe	rundll32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\cancel_sub_JPL12345678901234.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2016

C:\Windows\SYSTEM32\cmd.exe
cmd /c certutil -decode C:\Users\Public\5015.x1 C:\Users\Public\5015.x2 && rundll32 C:\Users\Public\5015.x2,DF1
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\system32\certutil.exe
certutil -decode C:\Users\Public\5015.x1 C:\Users\Public\5015.x2
3⤵
PID:2464

C:\Windows\system32\rundll32.exe
rundll32 C:\Users\Public\5015.x2,DF1
3⤵
- Suspicious use of WriteProcessMemory
PID:3732

C:\Windows\SysWOW64\rundll32.exe
rundll32 C:\Users\Public\5015.x2,DF1
4⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:3392

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\5015.x1

MD5
a672fabfad26761c82a6e31ea1f7f526

SHA1
7dbc53989e22c6a6bf706f8de54160ad9816ac9e

SHA256
3421236336d47f923ac96d8fdb09e264832d7effbe812c3327121ae9204f3499

SHA512
ddf6e292d73af766d2ffa2901567f9c0c371e043d9aa4731bae7b5d406ea7a18e9327fbbd5e9c7fbeb81192f8ace07351dea582943d2de775e82a9cafe120537

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C:\Users\Public\5015.x2

MD5
6f93afeceddee05dae2861174ce572f4

SHA1
74a06b937e7dc4c7ce9885aefdad168e2bf1928b

SHA256
700c37ba983091ec219545a746bf9481a4ebe23bbe4f65c41fe8185d1a3a96b4

SHA512
b8080cda7f7c827a16c5f0676e3d248a67d5a686b2a1a9461bc1a0e117961320f225a615b2ad9f2f8dc6585b7b6c1fab0df948ec1092a4883f4f29ebfc0493f7

Download Submit
\Users\Public\5015.x2

MD5
6f93afeceddee05dae2861174ce572f4

SHA1
74a06b937e7dc4c7ce9885aefdad168e2bf1928b

SHA256
700c37ba983091ec219545a746bf9481a4ebe23bbe4f65c41fe8185d1a3a96b4

SHA512
b8080cda7f7c827a16c5f0676e3d248a67d5a686b2a1a9461bc1a0e117961320f225a615b2ad9f2f8dc6585b7b6c1fab0df948ec1092a4883f4f29ebfc0493f7

Download Submit
memory/1304-179-0x0000000000000000-mapping.dmp

Download
memory/2016-121-0x00007FFDEAD10000-0x00007FFDEBDFE000-memory.dmp

Filesize
16.9MB

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memory/2016-122-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

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memory/2016-114-0x00007FF6A33B0000-0x00007FF6A6966000-memory.dmp

Filesize
53.7MB

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memory/2016-123-0x000001A9E8330000-0x000001A9EA225000-memory.dmp

Filesize
31.0MB

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memory/2016-118-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

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memory/2016-117-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

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memory/2016-116-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

Download
memory/2016-115-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

Download
memory/2464-180-0x0000000000000000-mapping.dmp

Download
memory/3392-184-0x0000000000000000-mapping.dmp

Download
memory/3732-182-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads