08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9

General

Target

08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe
Size

205KB
MD5

551433248e3c7e104b12b1d110bfdf3e
SHA1

4a8bf20434705d0881d2ae8197675afe9d5433c5
SHA256

08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9
SHA512

0a9190270cefc5fa5428ed2befdbd97e625e82ef54e4ca546bf501dc7ab12bb381186733697ac33d608b1b070c50eef0110068da25e47c97a02e17a81015dc07
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Score

7^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2940	olrzm.exe

Executes dropped EXE 2 IoCs

pid	Process
2940	olrzm.exe
2864	rps.exe

Loads dropped DLL 7 IoCs

pid	Process
2852	cmd.exe
2852	cmd.exe
2940	olrzm.exe
2864	rps.exe
2864	rps.exe
2864	rps.exe
2864	rps.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\tsjont\\rps.exe \"c:\\Program Files\\tsjont\\rpsfl.dll\",Compliance"	rps.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

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\x:	rps.exe
File opened (read-only)	\??\z:	rps.exe
File opened (read-only)	\??\i:	rps.exe
File opened (read-only)	\??\n:	rps.exe
File opened (read-only)	\??\t:	rps.exe
File opened (read-only)	\??\u:	rps.exe
File opened (read-only)	\??\q:	rps.exe
File opened (read-only)	\??\s:	rps.exe
File opened (read-only)	\??\w:	rps.exe
File opened (read-only)	\??\a:	rps.exe
File opened (read-only)	\??\k:	rps.exe
File opened (read-only)	\??\l:	rps.exe
File opened (read-only)	\??\m:	rps.exe
File opened (read-only)	\??\r:	rps.exe
File opened (read-only)	\??\y:	rps.exe
File opened (read-only)	\??\e:	rps.exe
File opened (read-only)	\??\g:	rps.exe
File opened (read-only)	\??\o:	rps.exe
File opened (read-only)	\??\p:	rps.exe
File opened (read-only)	\??\b:	rps.exe
File opened (read-only)	\??\h:	rps.exe
File opened (read-only)	\??\j:	rps.exe
File opened (read-only)	\??\v:	rps.exe

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

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

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	rps.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\tsjont	olrzm.exe
File created	\??\c:\Program Files\tsjont\rpsfl.dll	olrzm.exe
File created	\??\c:\Program Files\tsjont\rps.exe	olrzm.exe
File opened for modification	\??\c:\Program Files\tsjont\rps.exe	olrzm.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	olrzm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rps.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2852	cmd.exe
2476	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2476	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2864	rps.exe
2864	rps.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	rps.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1856	08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe
2940	olrzm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2852	1856	08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe	29
PID 1856 wrote to memory of 2852	1856	08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe	29
PID 1856 wrote to memory of 2852	1856	08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe	29
PID 1856 wrote to memory of 2852	1856	08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe	29
PID 2852 wrote to memory of 2476	2852	cmd.exe	31
PID 2852 wrote to memory of 2476	2852	cmd.exe	31
PID 2852 wrote to memory of 2476	2852	cmd.exe	31
PID 2852 wrote to memory of 2476	2852	cmd.exe	31
PID 2852 wrote to memory of 2940	2852	cmd.exe	32
PID 2852 wrote to memory of 2940	2852	cmd.exe	32
PID 2852 wrote to memory of 2940	2852	cmd.exe	32
PID 2852 wrote to memory of 2940	2852	cmd.exe	32
PID 2940 wrote to memory of 2864	2940	olrzm.exe	33
PID 2940 wrote to memory of 2864	2940	olrzm.exe	33
PID 2940 wrote to memory of 2864	2940	olrzm.exe	33
PID 2940 wrote to memory of 2864	2940	olrzm.exe	33

C:\Users\Admin\AppData\Local\Temp\08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe
"C:\Users\Admin\AppData\Local\Temp\08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\olrzm.exe "C:\Users\Admin\AppData\Local\Temp\08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2476
- - C:\Users\Admin\AppData\Local\Temp\olrzm.exe
    C:\Users\Admin\AppData\Local\Temp\\olrzm.exe "C:\Users\Admin\AppData\Local\Temp\08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2940
  - - \??\c:\Program Files\tsjont\rps.exe
      "c:\Program Files\tsjont\rps.exe" "c:\Program Files\tsjont\rpsfl.dll",Compliance C:\Users\Admin\AppData\Local\Temp\olrzm.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\tsjont\rps.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Users\Admin\AppData\Local\Temp\olrzm.exe

Filesize
205KB

MD5
80d39a07657c7ece5cab5d7c4eb76f9d

SHA1
8928e9606b489f89620eaf5d897ee214e08f55ed

SHA256
81b1a6fe03a2ecde1a7f1ddd52cf1c6f81b4c6fced0ade717f4a284b2addc639

SHA512
c906028ce9a47f74adf200aa750b3001d96d7bdbffe9f802faac445600e7dc394447f572d56e688089bc8e59eaa53363c3e176d0e9a7f54ed7242fc10befb0f6

Download Submit
\Program Files\tsjont\rpsfl.dll

Filesize
141KB

MD5
5081c7cc393c5e1da6bb64b8f67ccf9e

SHA1
53d0801c4e93088d8744efc34751c5f7bd6ffd15

SHA256
271cffae0290e6d7c7286cdc0edb62ce5a1090cd94ea81767d36e3386598d4d7

SHA512
55dd5d34444cbc236aaa38fa6f982febbce5926983c827346b51d954b2847ddd4ff1a29bc8f0caf0feaabe8f7428a05cb2711fd33ff98bd1f3c48ff3a9a48423

Download Submit
memory/1856-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1856-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1856-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1856-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2852-9-0x0000000000270000-0x00000000002BA000-memory.dmp

Filesize
296KB

Download
memory/2852-10-0x0000000000270000-0x00000000002BA000-memory.dmp

Filesize
296KB

Download
memory/2864-28-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2864-27-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2864-29-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2864-30-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2864-34-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2940-11-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2940-20-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2940-12-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads