765a0b4da72ab6434010d966df81d1853a6dcb1327b609319332390856c4ac73

General

Target

OUTSTANDING_INV_Statement_098079.xls
Size

60KB
MD5

43f414109ce2d6499a026495da965d4c
SHA1

2e758022671b7e8b2b34d1e0f4b8084a1e824eed
SHA256

765a0b4da72ab6434010d966df81d1853a6dcb1327b609319332390856c4ac73
SHA512

44a554e048308dcb481164bee66e16ce4042b1af9818a48d97b18ff0bf27b49db1a4f21a22054e56f494e70b7bcca6b212f3a96c80398125cea5fd8c1b463a48

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 2 IoCs

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

Processes:

regsvr32.exeregsvr32.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	3864	3200	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1372	3200	regsvr32.exe	EXCEL.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2104 regsvr32.exe
3156 regsvr32.exe

pid	process
2104	regsvr32.exe
3156	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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3200 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3200	EXCEL.EXE
3200	EXCEL.EXE
3200	EXCEL.EXE
3200	EXCEL.EXE
3200	EXCEL.EXE
3200	EXCEL.EXE
3200	EXCEL.EXE
3200	EXCEL.EXE
3200	EXCEL.EXE
3200	EXCEL.EXE
3200	EXCEL.EXE
3200	EXCEL.EXE
3200	EXCEL.EXE
3200	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXEregsvr32.exeregsvr32.exe

description	pid	process	target process
PID 3200 wrote to memory of 3864	3200	EXCEL.EXE	regsvr32.exe
PID 3200 wrote to memory of 3864	3200	EXCEL.EXE	regsvr32.exe
PID 3864 wrote to memory of 2104	3864	regsvr32.exe	regsvr32.exe
PID 3864 wrote to memory of 2104	3864	regsvr32.exe	regsvr32.exe
PID 3864 wrote to memory of 2104	3864	regsvr32.exe	regsvr32.exe
PID 3200 wrote to memory of 1372	3200	EXCEL.EXE	regsvr32.exe
PID 3200 wrote to memory of 1372	3200	EXCEL.EXE	regsvr32.exe
PID 1372 wrote to memory of 3156	1372	regsvr32.exe	regsvr32.exe
PID 1372 wrote to memory of 3156	1372	regsvr32.exe	regsvr32.exe
PID 1372 wrote to memory of 3156	1372	regsvr32.exe	regsvr32.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\OUTSTANDING_INV_Statement_098079.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3200

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" -s C:\Users\Admin\AppData\Local\Temp\qteeez.dll
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3864

C:\Windows\SysWOW64\regsvr32.exe
-s C:\Users\Admin\AppData\Local\Temp\qteeez.dll
3⤵
- Loads dropped DLL
PID:2104

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" -s C:\Users\Admin\AppData\Local\Temp\gzawotld.dll
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1372

C:\Windows\SysWOW64\regsvr32.exe
-s C:\Users\Admin\AppData\Local\Temp\gzawotld.dll
3⤵
- Loads dropped DLL
PID:3156

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\gzawotld.dll
MD5
340994098deb6bf6fa91f73350af7c15

SHA1
a13e3401f4a3741bdcb2f16cb0c111b04ce318fb

SHA256
da81aa0dd37baccdbdc7f7f9a3619d6e85155f8bd67fcd2fafdbe534443fdc0c

SHA512
3ce706f04dbe866ac020648bc58a5940b06dfc8d23e87ea570d2af0037b6bd320976f87168ec327d9a442c3762c9e7414cbf026b89b736bb42e2d20e269ad30d

Download Submit
C:\Users\Admin\AppData\Local\Temp\qteeez.dll
MD5
340994098deb6bf6fa91f73350af7c15

SHA1
a13e3401f4a3741bdcb2f16cb0c111b04ce318fb

SHA256
da81aa0dd37baccdbdc7f7f9a3619d6e85155f8bd67fcd2fafdbe534443fdc0c

SHA512
3ce706f04dbe866ac020648bc58a5940b06dfc8d23e87ea570d2af0037b6bd320976f87168ec327d9a442c3762c9e7414cbf026b89b736bb42e2d20e269ad30d

Download Submit
\Users\Admin\AppData\Local\Temp\gzawotld.dll
MD5
340994098deb6bf6fa91f73350af7c15

SHA1
a13e3401f4a3741bdcb2f16cb0c111b04ce318fb

SHA256
da81aa0dd37baccdbdc7f7f9a3619d6e85155f8bd67fcd2fafdbe534443fdc0c

SHA512
3ce706f04dbe866ac020648bc58a5940b06dfc8d23e87ea570d2af0037b6bd320976f87168ec327d9a442c3762c9e7414cbf026b89b736bb42e2d20e269ad30d

Download Submit
\Users\Admin\AppData\Local\Temp\qteeez.dll
MD5
340994098deb6bf6fa91f73350af7c15

SHA1
a13e3401f4a3741bdcb2f16cb0c111b04ce318fb

SHA256
da81aa0dd37baccdbdc7f7f9a3619d6e85155f8bd67fcd2fafdbe534443fdc0c

SHA512
3ce706f04dbe866ac020648bc58a5940b06dfc8d23e87ea570d2af0037b6bd320976f87168ec327d9a442c3762c9e7414cbf026b89b736bb42e2d20e269ad30d

Download Submit
memory/1372-183-0x0000000000000000-mapping.dmp

Download
memory/2104-187-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/2104-181-0x0000000000000000-mapping.dmp

Download
memory/3156-188-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/3156-185-0x0000000000000000-mapping.dmp

Download
memory/3200-118-0x00007FFA247C0000-0x00007FFA247D0000-memory.dmp

Filesize
64KB

Download
memory/3200-123-0x0000013D79370000-0x0000013D7B265000-memory.dmp

Filesize
31.0MB

Download
memory/3200-121-0x00007FFA44CE0000-0x00007FFA45DCE000-memory.dmp

Filesize
16.9MB

Download
memory/3200-122-0x00007FFA247C0000-0x00007FFA247D0000-memory.dmp

Filesize
64KB

Download
memory/3200-114-0x00007FF6C39E0000-0x00007FF6C6F96000-memory.dmp

Filesize
53.7MB

Download
memory/3200-117-0x00007FFA247C0000-0x00007FFA247D0000-memory.dmp

Filesize
64KB

Download
memory/3200-116-0x00007FFA247C0000-0x00007FFA247D0000-memory.dmp

Filesize
64KB

Download
memory/3200-115-0x00007FFA247C0000-0x00007FFA247D0000-memory.dmp

Filesize
64KB

Download
memory/3864-179-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads