rms | 76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c

Analysis

max time kernel
147s
max time network
140s
platform
windows10_x64
resource
win10v20201028
submitted
25/02/2021, 00:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe
Size

4.0MB
MD5

f454674192c23053843a3b493b3d0e7f
SHA1

8cb0d3e35a58ddadfca4dbd87b075058b542092f
SHA256

76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c
SHA512

655040b6c3a7ad5a61a475db45c34520fdcc296e03b360427c495529a862edb8c74b2b4dcf4a3b590e679c42eab66bc976092d80318407ca4355a2322506336a

Score

10^/10

rms aspackv2 discovery evasion rat trojan upx

Malware Config

Signatures

RMS
Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.
trojan rat rms

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000100000001ab99-22.dat	acprotect
behavioral2/files/0x000100000001ab9a-23.dat	acprotect

ASPack v2.12-2.42 8 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000100000001ab98-9.dat	aspack_v212_v242
behavioral2/files/0x000100000001ab98-10.dat	aspack_v212_v242
behavioral2/files/0x000100000001ab98-18.dat	aspack_v212_v242
behavioral2/files/0x000100000001ab98-19.dat	aspack_v212_v242
behavioral2/files/0x000100000001ab97-24.dat	aspack_v212_v242
behavioral2/files/0x000100000001ab97-28.dat	aspack_v212_v242
behavioral2/files/0x000100000001ab97-29.dat	aspack_v212_v242
behavioral2/files/0x000100000001ab97-35.dat	aspack_v212_v242

Executes dropped EXE 6 IoCs

pid	Process
3244	rutserv.exe
4084	rutserv.exe
1336	rutserv.exe
2136	rfusclient.exe
2032	rfusclient.exe
3796	rfusclient.exe

Sets file to hidden 1 TTPs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000100000001ab99-22.dat	upx
behavioral2/files/0x000100000001ab9a-23.dat	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vipcatalog\vp8decoder.dll	76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe
File opened for modification	C:\Windows\SysWOW64\vipcatalog\Uninstall.exe	76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe
File opened for modification	C:\Windows\SysWOW64\vipcatalog	attrib.exe
File opened for modification	C:\Windows\SysWOW64\vipcatalog\rfusclient.exe	76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe
File opened for modification	C:\Windows\SysWOW64\vipcatalog\regedit.reg	76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe
File opened for modification	C:\Windows\SysWOW64\vipcatalog\rutserv.exe	76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe
File opened for modification	C:\Windows\SysWOW64\vipcatalog\vp8encoder.dll	76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe
File created	C:\Windows\SysWOW64\vipcatalog\Uninstall.ini	76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe
File opened for modification	C:\Windows\SysWOW64\vipcatalog\bt.bat	76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Kills process with taskkill 2 IoCs

evasion

pid	Process
3168	taskkill.exe
2968	taskkill.exe

Runs .reg file with regedit 1 IoCs

pid	Process
412	regedit.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3244	rutserv.exe
3244	rutserv.exe
3244	rutserv.exe
3244	rutserv.exe
3244	rutserv.exe
3244	rutserv.exe
4084	rutserv.exe
4084	rutserv.exe
1336	rutserv.exe
1336	rutserv.exe
1336	rutserv.exe
1336	rutserv.exe
1336	rutserv.exe
1336	rutserv.exe
2136	rfusclient.exe
2136	rfusclient.exe

Suspicious behavior: SetClipboardViewer 1 IoCs

pid	Process
3796	rfusclient.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	3168	taskkill.exe
Token: SeDebugPrivilege	2968	taskkill.exe
Token: SeDebugPrivilege	3244	rutserv.exe
Token: SeDebugPrivilege	4084	rutserv.exe
Token: SeTakeOwnershipPrivilege	1336	rutserv.exe
Token: SeTcbPrivilege	1336	rutserv.exe
Token: SeTcbPrivilege	1336	rutserv.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3244	rutserv.exe
4084	rutserv.exe
1336	rutserv.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 496 wrote to memory of 3364	496	76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe	75
PID 496 wrote to memory of 3364	496	76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe	75
PID 496 wrote to memory of 3364	496	76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe	75
PID 3364 wrote to memory of 3168	3364	cmd.exe	77
PID 3364 wrote to memory of 3168	3364	cmd.exe	77
PID 3364 wrote to memory of 3168	3364	cmd.exe	77
PID 3364 wrote to memory of 2968	3364	cmd.exe	78
PID 3364 wrote to memory of 2968	3364	cmd.exe	78
PID 3364 wrote to memory of 2968	3364	cmd.exe	78
PID 3364 wrote to memory of 212	3364	cmd.exe	79
PID 3364 wrote to memory of 212	3364	cmd.exe	79
PID 3364 wrote to memory of 212	3364	cmd.exe	79
PID 3364 wrote to memory of 196	3364	cmd.exe	80
PID 3364 wrote to memory of 196	3364	cmd.exe	80
PID 3364 wrote to memory of 196	3364	cmd.exe	80
PID 3364 wrote to memory of 3244	3364	cmd.exe	81
PID 3364 wrote to memory of 3244	3364	cmd.exe	81
PID 3364 wrote to memory of 3244	3364	cmd.exe	81
PID 3364 wrote to memory of 412	3364	cmd.exe	82
PID 3364 wrote to memory of 412	3364	cmd.exe	82
PID 3364 wrote to memory of 412	3364	cmd.exe	82
PID 3364 wrote to memory of 4084	3364	cmd.exe	83
PID 3364 wrote to memory of 4084	3364	cmd.exe	83
PID 3364 wrote to memory of 4084	3364	cmd.exe	83
PID 1336 wrote to memory of 2136	1336	rutserv.exe	86
PID 1336 wrote to memory of 2136	1336	rutserv.exe	86
PID 1336 wrote to memory of 2136	1336	rutserv.exe	86
PID 1336 wrote to memory of 2032	1336	rutserv.exe	85
PID 1336 wrote to memory of 2032	1336	rutserv.exe	85
PID 1336 wrote to memory of 2032	1336	rutserv.exe	85
PID 2136 wrote to memory of 3796	2136	rfusclient.exe	90
PID 2136 wrote to memory of 3796	2136	rfusclient.exe	90
PID 2136 wrote to memory of 3796	2136	rfusclient.exe	90

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
196	attrib.exe

C:\Users\Admin\AppData\Local\Temp\76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe
"C:\Users\Admin\AppData\Local\Temp\76de9f8d6f0fcf8c5fb2bafc387c363e138af15cf751d2c2a230ad9cafd6271c.bin.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:496
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Windows\System32\vipcatalog\bt.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3364
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im rutserv.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3168
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im rfusclient.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2968
- - C:\Windows\SysWOW64\reg.exe
    reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
    3⤵
    PID:212
- - C:\Windows\SysWOW64\attrib.exe
    attrib +s +h "C:\Windows\System32\vipcatalog"
    3⤵
    - Drops file in System32 directory
    - Views/modifies file attributes
    PID:196
- - C:\Windows\SysWOW64\vipcatalog\rutserv.exe
    "rutserv.exe" /silentinstall
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3244
- - C:\Windows\SysWOW64\regedit.exe
    regedit /s regedit.reg
    3⤵
    - Runs .reg file with regedit
    PID:412
- - C:\Windows\SysWOW64\vipcatalog\rutserv.exe
    "rutserv.exe" /start
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4084

C:\Windows\SysWOW64\vipcatalog\rutserv.exe
C:\Windows\SysWOW64\vipcatalog\rutserv.exe
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Windows\SysWOW64\vipcatalog\rfusclient.exe
  C:\Windows\SysWOW64\vipcatalog\rfusclient.exe /tray
  2⤵
  - Executes dropped EXE
  PID:2032
- C:\Windows\SysWOW64\vipcatalog\rfusclient.exe
  C:\Windows\SysWOW64\vipcatalog\rfusclient.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Windows\SysWOW64\vipcatalog\rfusclient.exe
    C:\Windows\SysWOW64\vipcatalog\rfusclient.exe /tray
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: SetClipboardViewer
    PID:3796

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1336-27-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2032-32-0x0000000000B20000-0x0000000000B21000-memory.dmp

Filesize
4KB

Download
memory/2136-33-0x0000000000A50000-0x0000000000A51000-memory.dmp

Filesize
4KB

Download
memory/2136-31-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/2136-30-0x0000000002D50000-0x0000000002D51000-memory.dmp

Filesize
4KB

Download
memory/3244-13-0x0000000002F80000-0x0000000002F81000-memory.dmp

Filesize
4KB

Download
memory/3244-11-0x0000000002F80000-0x0000000002F81000-memory.dmp

Filesize
4KB

Download
memory/3244-12-0x0000000003780000-0x0000000003781000-memory.dmp

Filesize
4KB

Download
memory/3244-20-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

Filesize
4KB

Download
memory/3796-36-0x0000000000C30000-0x0000000000C31000-memory.dmp

Filesize
4KB

Download
memory/4084-21-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download