f746b0a6d47ddc6b6a03d78a7dca6e61bbb32a35cdf89073cd245eb4662cfbfd

General

Target

03c3f979feffbf02e7ab9a66f9a1f7b4.exe
Size

12KB
MD5

03c3f979feffbf02e7ab9a66f9a1f7b4
SHA1

826e5038b32c3975821eb8641e484b575fdfa7e9
SHA256

f746b0a6d47ddc6b6a03d78a7dca6e61bbb32a35cdf89073cd245eb4662cfbfd
SHA512

14451960a5e111d44d58e0660a0d5f1dfcae74046fd595d6e8f758c0d01181141201af0813425e571f2296b9cab2ed314ac2a65d1ba139d4deaf6180b5e9a8ea
SSDEEP

192:wMJ0X7yZWu7s3+7DBPSVcWF28A6lJGNyQK+NAA5yQ03826p:wvLygTO7D4qWF28bJHQllm6

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1524 1988 WerFault.exe 03c3f979feffbf02e7ab9a66f9a1f7b4.exe

pid	pid_target	process	target process
1524	1988	WerFault.exe	03c3f979feffbf02e7ab9a66f9a1f7b4.exe

Modifies system certificate store 2 TTPs 2 IoCs

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

03c3f979feffbf02e7ab9a66f9a1f7b4.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	03c3f979feffbf02e7ab9a66f9a1f7b4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	03c3f979feffbf02e7ab9a66f9a1f7b4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

03c3f979feffbf02e7ab9a66f9a1f7b4.exe

description pid process

Token: SeDebugPrivilege 1988 03c3f979feffbf02e7ab9a66f9a1f7b4.exe

description	pid	process
Token: SeDebugPrivilege	1988	03c3f979feffbf02e7ab9a66f9a1f7b4.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

03c3f979feffbf02e7ab9a66f9a1f7b4.exe

description	pid	process	target process
PID 1988 wrote to memory of 1524	1988	03c3f979feffbf02e7ab9a66f9a1f7b4.exe	WerFault.exe
PID 1988 wrote to memory of 1524	1988	03c3f979feffbf02e7ab9a66f9a1f7b4.exe	WerFault.exe
PID 1988 wrote to memory of 1524	1988	03c3f979feffbf02e7ab9a66f9a1f7b4.exe	WerFault.exe
PID 1988 wrote to memory of 1524	1988	03c3f979feffbf02e7ab9a66f9a1f7b4.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\03c3f979feffbf02e7ab9a66f9a1f7b4.exe
"C:\Users\Admin\AppData\Local\Temp\03c3f979feffbf02e7ab9a66f9a1f7b4.exe"
1⤵
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 1472
2⤵
- Program crash
PID:1524

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
62KB

MD5
b5fcc55cffd66f38d548e8b63206c5e6

SHA1
79db08ababfa33a4f644fa8fe337195b5aba44c7

SHA256
7730df1165195dd5bb6b40d6e519b4ce07aceb03601a77bca6535d31698d4ca1

SHA512
aaa17175e90dbca04f0fa753084731313e70119fef7d408b41ff4170116ab24eaee0bd05dca2cc43464b1ee920819e5ce6f6e750d97e3c4fc605f01e7ff9c649

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab258D.tmp

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
memory/1988-54-0x00000000010C0000-0x00000000010C8000-memory.dmp

Filesize
32KB

Download
memory/1988-55-0x0000000004B70000-0x0000000004BB0000-memory.dmp

Filesize
256KB

Download
memory/1988-95-0x0000000004B70000-0x0000000004BB0000-memory.dmp

Filesize
256KB

Download

Analysis

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