5bd0dcbb3a410bb960bf18b3cc3d81ddff8205d2a372cc69ebb6e67306a9ec65

General

Target

19faf5c8943d20578a22df34f949176bd39e712ad1709fbc26a58fdf16cf0571.rtf
Size

75KB
MD5

e6b9844a0a45ab8d2c2434cbe7ed7165
SHA1

51d1401902d659273128b4e1d65c1619b6c254fe
SHA256

19faf5c8943d20578a22df34f949176bd39e712ad1709fbc26a58fdf16cf0571
SHA512

d3a83e93b005765f9dc11d1c5a699a26382f2e0d91bc4a4036554edc31902411f8753c48f895beba068e3bf495b2223c4b246e7f004ec7fea89fd381192a47b6
SSDEEP

1536:V7RWJSCBBhMtPTy2O37H4YMG546I2PZVhtGx9xK4bHC2FkB/fEqcvxIB515+Tkg:9eLBMtPTy2O37HTZ46I2rhtGx9xVr2Bs

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

WINWORD.EXE

pid process

4908 WINWORD.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:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\~WRD0000.tmp\:Zone.Identifier:$DATA WINWORD.EXE
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4908 WINWORD.EXE
4908 WINWORD.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\~WRD0000.tmp\:Zone.Identifier:$DATA	WINWORD.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

WINWORD.EXE

pid	process
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 4908 wrote to memory of 4756	4908	WINWORD.EXE	splwow64.exe
PID 4908 wrote to memory of 4756	4908	WINWORD.EXE	splwow64.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\19faf5c8943d20578a22df34f949176bd39e712ad1709fbc26a58fdf16cf0571.rtf" /o ""
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4908

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:4756

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:2280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\Admin\AppData\Local\Temp\~WRD0000.tmp

Filesize
66KB

MD5
c127e2236b82665e471ae6878da7d24b

SHA1
071f72cf4a72cb4de37af6d5d702d4602e6488ce

SHA256
7bf5a314e5028ba2699283aca01aae521e035eef27b9b81e1b8dc564daa193a6

SHA512
35e33fb3fb9eda837d61de8153891a365aab815384e07c5f6a8d78e151c9e3e90832330dac1833cce9d4e17153b8bdf4550428832467309bc147a42a3bbe109e

Download Submit
memory/4908-10-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-1-0x00007FFF823B0000-0x00007FFF823C0000-memory.dmp

Filesize
64KB

Download
memory/4908-14-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-15-0x00007FFF80160000-0x00007FFF80170000-memory.dmp

Filesize
64KB

Download
memory/4908-6-0x00007FFF823B0000-0x00007FFF823C0000-memory.dmp

Filesize
64KB

Download
memory/4908-5-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-7-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-8-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-9-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-11-0x00007FFF80160000-0x00007FFF80170000-memory.dmp

Filesize
64KB

Download
memory/4908-12-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-0-0x00007FFF823B0000-0x00007FFF823C0000-memory.dmp

Filesize
64KB

Download
memory/4908-49-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-3-0x00007FFF823B0000-0x00007FFF823C0000-memory.dmp

Filesize
64KB

Download
memory/4908-4-0x00007FFF823B0000-0x00007FFF823C0000-memory.dmp

Filesize
64KB

Download
memory/4908-16-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-17-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-18-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-19-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-20-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-22-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-23-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-25-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-2-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-48-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download
memory/4908-13-0x00007FFFC2330000-0x00007FFFC2525000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads