27af92b73c22902d7e65731e6e3542d3e1effdad815df018f65cca6440f4d16d

General

Target

intelligence_07.27.2021.doc
Size

72KB
MD5

84b78d80895fe5083e2ff0ffe168552f
SHA1

3baa771fb2fcee216745d52fd770c7def5772ebd
SHA256

daaa7914f4ef2d951bd89f50803160bba1ac86e6ae3d66798c35e262f20587d9
SHA512

995b08b4a9013ce7e2fb5baa91582b37b1ae960b572c8f30b80fd8464116405bcb18c7e80de766d290b8f7644ddbe562c03e9e4605c593b9db7b978c9f6315b1

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\WINWORD.EXE is not expected to spawn this process	3748	3008	cmd.exe	WINWORD.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2152 2212 WerFault.exe mshta.exe

pid	pid_target	process	target process
2152	2212	WerFault.exe	mshta.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Modifies registry class 1 IoCs

Processes:

cmd.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings cmd.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3008 WINWORD.EXE
3008 WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe
2152	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2152 WerFault.exe
Token: SeBackupPrivilege 2152 WerFault.exe
Token: SeDebugPrivilege 2152 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2152	WerFault.exe
Token: SeBackupPrivilege	2152	WerFault.exe
Token: SeDebugPrivilege	2152	WerFault.exe

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

WINWORD.EXE

pid	process
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE
3008	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WINWORD.EXEcmd.exe

description	pid	process	target process
PID 3008 wrote to memory of 3748	3008	WINWORD.EXE	cmd.exe
PID 3008 wrote to memory of 3748	3008	WINWORD.EXE	cmd.exe
PID 3748 wrote to memory of 2212	3748	cmd.exe	mshta.exe
PID 3748 wrote to memory of 2212	3748	cmd.exe	mshta.exe
PID 3748 wrote to memory of 2212	3748	cmd.exe	mshta.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\intelligence_07.27.2021.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3008

C:\Windows\SYSTEM32\cmd.exe
cmd /c c:\programdata\htmlCoreCode.hta
2⤵
- Process spawned unexpected child process
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3748

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\programdata\htmlCoreCode.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
PID:2212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 1312
4⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2152

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\programdata\htmlCoreCode.hta
MD5
731a2fa48b5afb2a83011c9362d5aeb8

SHA1
4cc03587f43f8c3381b6715effda841bffba5f73

SHA256
b2d4c83861333f33b0ea498137a8135cf28561fbf7dbf2fb4f8bd6beaab38c9b

SHA512
7fd27fe39a77964092c81b7f1e77741c2413019856acd88b74b6e0dbf84294de15f8dfe1f228eb309034da7d272b5008008589099d2cc7f0bb8f4e35ea2939fe

Download Submit
memory/2212-145-0x0000000000000000-mapping.dmp

Download
memory/3008-117-0x00007FFFBE230000-0x00007FFFBE240000-memory.dmp

Filesize
64KB

Download
memory/3008-114-0x00007FFFBE230000-0x00007FFFBE240000-memory.dmp

Filesize
64KB

Download
memory/3008-118-0x00007FFFBE230000-0x00007FFFBE240000-memory.dmp

Filesize
64KB

Download
memory/3008-119-0x00007FFFDF930000-0x00007FFFE2453000-memory.dmp

Filesize
43.1MB

Download
memory/3008-122-0x0000028D70A20000-0x0000028D71B0E000-memory.dmp

Filesize
16.9MB

Download
memory/3008-123-0x00007FFFD7C90000-0x00007FFFD9B85000-memory.dmp

Filesize
31.0MB

Download
memory/3008-116-0x00007FFFBE230000-0x00007FFFBE240000-memory.dmp

Filesize
64KB

Download
memory/3008-115-0x00007FFFBE230000-0x00007FFFBE240000-memory.dmp

Filesize
64KB

Download
memory/3008-347-0x00007FFFBE230000-0x00007FFFBE240000-memory.dmp

Filesize
64KB

Download
memory/3008-348-0x00007FFFBE230000-0x00007FFFBE240000-memory.dmp

Filesize
64KB

Download
memory/3008-349-0x00007FFFBE230000-0x00007FFFBE240000-memory.dmp

Filesize
64KB

Download
memory/3008-350-0x00007FFFBE230000-0x00007FFFBE240000-memory.dmp

Filesize
64KB

Download
memory/3748-143-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads