15dfb04d19ff941285c3012852f832ed3d080d4205261c70bf0ed4760c5c0dfb

General

Target

33cdb46c0ce0649dddb8b5f03a305964.exe
Size

136KB
MD5

33cdb46c0ce0649dddb8b5f03a305964
SHA1

0b80103b7b665817e8cf18cca8c2f4d7e9d6ca4f
SHA256

15dfb04d19ff941285c3012852f832ed3d080d4205261c70bf0ed4760c5c0dfb
SHA512

ee3113d92d6e627ae5884d23e9c59fee9fb9938ae0ace5320765a49171b2c34df02df9528f6bd25ff5c500e3eb82037114b523c9ccb1e674367d18d52fb64f75
SSDEEP

1536:sl1PvGRTSehlnkBK+Hp2KBqB3VTPwQ1ChR/0nfFEOvz8Td49P878F4OS:CWROOlnSKk9Urwbj0nfFBb8p49VpS

Score

7^/10

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\tmlp\\Datrsum.exe /Klaunchp"	Datrsum.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

System Information Discovery

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

Bootkit

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	33cdb46c0ce0649dddb8b5f03a305964.exe
File opened for modification	\??\PHYSICALDRIVE0	Datrsum.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Datrsum.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Datrsum.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2880	Datrsum.exe
2880	Datrsum.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1792	33cdb46c0ce0649dddb8b5f03a305964.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1792	33cdb46c0ce0649dddb8b5f03a305964.exe
2880	Datrsum.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2880	1792	33cdb46c0ce0649dddb8b5f03a305964.exe	28
PID 1792 wrote to memory of 2880	1792	33cdb46c0ce0649dddb8b5f03a305964.exe	28
PID 1792 wrote to memory of 2880	1792	33cdb46c0ce0649dddb8b5f03a305964.exe	28
PID 1792 wrote to memory of 2880	1792	33cdb46c0ce0649dddb8b5f03a305964.exe	28