28528e3099b98259f3967fab3b23d5dd17588d3bf1d99f02e20d324eab368735

Analysis

max time kernel
121s
max time network
144s
platform
windows10_x64
resource
win10-en-20211104
submitted
29-11-2021 09:51

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General

Target

b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe
Size

818KB
MD5

9a50d2d0bafd2166fcb2ac5b9e3f45c0
SHA1

b827a7d4b3614a9c47fe79aefcc616cc4bcbec91
SHA256

28528e3099b98259f3967fab3b23d5dd17588d3bf1d99f02e20d324eab368735
SHA512

86e559b3b381c39025aac64faedc706b28d47b4673115c392a2d39b0d21e4759045e8fe911e165a4b5b3b8699d4867634342f7af14b43285fc5bc0c6f97a65e1

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tddcviyi = "C:\\Users\\Admin\\Contacts\\iyivcddT.url"	b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

764 3476 WerFault.exe b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe

pid	pid_target	process	target process
764	3476	WerFault.exe	b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
764	WerFault.exe
764	WerFault.exe
764	WerFault.exe
764	WerFault.exe
764	WerFault.exe
764	WerFault.exe
764	WerFault.exe
764	WerFault.exe
764	WerFault.exe
764	WerFault.exe
764	WerFault.exe
764	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 764 WerFault.exe
Token: SeBackupPrivilege 764 WerFault.exe
Token: SeDebugPrivilege 764 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	764	WerFault.exe
Token: SeBackupPrivilege	764	WerFault.exe
Token: SeDebugPrivilege	764	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe
"C:\Users\Admin\AppData\Local\Temp\b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe"
1⤵
- Adds Run key to start application
PID:3476

C:\Windows\SysWOW64\logagent.exe
C:\Windows\System32\logagent.exe
2⤵
PID:4492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3476 -s 1944
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:764

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3476-118-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/3476-119-0x00000000028D1000-0x00000000028E2000-memory.dmp

Filesize
68KB

Download
memory/3476-120-0x00000000028E2000-0x00000000028E3000-memory.dmp

Filesize
4KB

Download