e46cd935e22dcbb21e8a802f714a28f91ffd53351655f28c1df0b418d6d535b5 | Triage

Analysis

max time kernel
150s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
01-02-2022 12:50

Sharing

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General

Target

e46cd935e22dcbb21e8a802f714a28f91ffd53351655f28c1df0b418d6d535b5.exe
Size

16KB
MD5

94bb9374009cc16b51e12d94a968bb22
SHA1

9da912dfe2d17614b2f24e6fcfd20a976ea284c4
SHA256

e46cd935e22dcbb21e8a802f714a28f91ffd53351655f28c1df0b418d6d535b5
SHA512

4ed65bf225191959a62921ec1420a629698b61ca6682c1f9934e748032609e8fd37bd34af3fbabc0b0545745b8f3bbced73e26ef97b2e7a2cecd624714ee39f7

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

Processes:

TiWorker.exe

description ioc process

File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

e46cd935e22dcbb21e8a802f714a28f91ffd53351655f28c1df0b418d6d535b5.exe

description	pid	process	target process
PID 1936 wrote to memory of 2380	1936	e46cd935e22dcbb21e8a802f714a28f91ffd53351655f28c1df0b418d6d535b5.exe	fondue.exe
PID 1936 wrote to memory of 2380	1936	e46cd935e22dcbb21e8a802f714a28f91ffd53351655f28c1df0b418d6d535b5.exe	fondue.exe

C:\Users\Admin\AppData\Local\Temp\e46cd935e22dcbb21e8a802f714a28f91ffd53351655f28c1df0b418d6d535b5.exe
"C:\Users\Admin\AppData\Local\Temp\e46cd935e22dcbb21e8a802f714a28f91ffd53351655f28c1df0b418d6d535b5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1936

C:\Windows\system32\fondue.exe
"C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll
2⤵
PID:2380

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1720

Network

MITRE ATT&CK Matrix

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