a2369537aad92d9febb1353752bf07d7f85e5592071a6f417c9ba24a3d36aba8

General

Target

SecuriteInfo.com.Heur.1024.10269.xlsm
Size

171KB
MD5

77a37ee41877d3af8afd7d09cca969c9
SHA1

7885d0c3730add0d2693b148312c5e66bcf0279b
SHA256

a2369537aad92d9febb1353752bf07d7f85e5592071a6f417c9ba24a3d36aba8
SHA512

0a45f4cde0378f07225efbc0e12bda16b7bd8dfbbbae8baeb218ce565d513c3e8b67a7c670f7e4a3bd4e4c3289450c60e774386d5ab33d49f2e964ce9d0a52f4

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:

rundll32.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	3156	3152	rundll32.exe	EXCEL.EXE

Downloads MZ/PE file

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

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	17	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	20	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3152 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

EXCEL.EXErundll32.exe

description	pid	process	target process
PID 3152 wrote to memory of 3156	3152	EXCEL.EXE	rundll32.exe
PID 3152 wrote to memory of 3156	3152	EXCEL.EXE	rundll32.exe
PID 3156 wrote to memory of 3120	3156	rundll32.exe	rundll32.exe
PID 3156 wrote to memory of 3120	3156	rundll32.exe	rundll32.exe
PID 3156 wrote to memory of 3120	3156	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\SecuriteInfo.com.Heur.1024.10269.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3152

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Roaming\27152..dll" JsVarAddRef
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3156

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Roaming\27152..dll" JsVarAddRef
3⤵
PID:3120

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\27152..dll
MD5
872271baeef95f3e16bf2d98f2e19c33

SHA1
64980cd977c5d5ae9eeb88b4f2b18c13c54e8601

SHA256
dc705b3972786eb21f56e06b2852b057938a95b05f6bf40a80d6c4bf264b52f0

SHA512
598af48e9389905e92edf349f639f85e52b444cda7ab06f19a19c602838ef17e0111501009f18499c837ab3dd2b3ac998e68477ebcfc088e30790c55ac40aaa2

Download Submit
memory/3120-181-0x0000000000000000-mapping.dmp

Download
memory/3152-114-0x00007FF79BEF0000-0x00007FF79F4A6000-memory.dmp

Filesize
53.7MB

Download
memory/3152-115-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/3152-116-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/3152-117-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/3152-118-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/3152-121-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/3152-122-0x00007FFD55FD0000-0x00007FFD570BE000-memory.dmp

Filesize
16.9MB

Download
memory/3152-123-0x00007FFD53E80000-0x00007FFD55D75000-memory.dmp

Filesize
31.0MB

Download
memory/3156-179-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads