28528e3099b98259f3967fab3b23d5dd17588d3bf1d99f02e20d324eab368735

Analysis

max time kernel
122s
max time network
145s
platform
windows10_x64
resource
win10-en-20211014
submitted
29-11-2021 14:14

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General

Target

Sifaris verin.9098865432.PDF.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:

Sifaris verin.9098865432.PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tddcviyi = "C:\\Users\\Admin\\Contacts\\iyivcddT.url"	Sifaris verin.9098865432.PDF.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3320 2728 WerFault.exe Sifaris verin.9098865432.PDF.exe

pid	pid_target	process	target process
3320	2728	WerFault.exe	Sifaris verin.9098865432.PDF.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
3320	WerFault.exe
3320	WerFault.exe
3320	WerFault.exe
3320	WerFault.exe
3320	WerFault.exe
3320	WerFault.exe
3320	WerFault.exe
3320	WerFault.exe
3320	WerFault.exe
3320	WerFault.exe
3320	WerFault.exe
3320	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3320 WerFault.exe
Token: SeBackupPrivilege 3320 WerFault.exe
Token: SeDebugPrivilege 3320 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3320	WerFault.exe
Token: SeBackupPrivilege	3320	WerFault.exe
Token: SeDebugPrivilege	3320	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\Sifaris verin.9098865432.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Sifaris verin.9098865432.PDF.exe"
1⤵
- Adds Run key to start application
PID:2728

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
2⤵
PID:3852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 1892
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3320

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/2728-115-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/2728-117-0x0000000002B72000-0x0000000002B73000-memory.dmp

Filesize
4KB

Download
memory/2728-116-0x0000000002B61000-0x0000000002B72000-memory.dmp

Filesize
68KB

Download