rms | 65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e

Analysis

max time kernel
115s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 11:17

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General

Target

65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
Size

4.4MB
MD5

a4ef524bb21b66a9e6267ed8bc871cef
SHA1

4363f160e06afea785f43261c69ea2c3d11b3207
SHA256

65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e
SHA512

eba6c78c3c2b1ce195b4a16f75c332c35001b860a359bd1182277580347d6c0825fdba109ab1644b61b2ab3c0e4f403d12554af2807dceda6aa944503e0086a8
SSDEEP

98304:FXKa77HBa1WujIh01MeYvMHXEWxXV4cVYs:F3lFh0KTEEWxXnWs

Score

10^/10

rms persistence rat trojan

Malware Config

Signatures

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

Executes dropped EXE 4 IoCs

pid	Process
4880	7z.exe
3656	rutserv.exe
1784	rutserv.exe
2340	rutserv.exe

Loads dropped DLL 8 IoCs

pid	Process
4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
4880	7z.exe
4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
3656	rutserv.exe
4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
1784	rutserv.exe
4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
2340	rutserv.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft® Maintenance Scheduler = "C:\\Windows\\system32\\sysfiles\\dllhost.exe"	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe

Drops file in System32 directory 42 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\sysfiles\RIPCServer.dll	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\winmm.dll	7z.exe
File created	C:\Windows\SysWOW64\7z.exe	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
File created	C:\Windows\SysWOW64\7z.dll	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
File created	C:\Windows\SysWOW64\sysfiles\English.lg	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\gdiplus.dll	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\hideprlib.dll	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\msvcp90.dll	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\winmm.dll	7z.exe
File created	C:\Windows\SysWOW64\sysfiles.7z	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\rfusclient.exe	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\dsfVorbisDecoder.dll	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\msvcp90.dll	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\vp8decoder.dll	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\vp8encoder.dll	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles.7z	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\Microsoft.VC90.CRT.manifest	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\ProcessList.txt	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\English.lg	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\dsfVorbisEncoder.dll	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\RWLN.dll	7z.exe
File opened for modification	C:\Windows\SysWOW64\7z.exe	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
File created	C:\Windows\SysWOW64\sysfiles\Russian.lg	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\Russian.lg	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\RIPCServer.dll	7z.exe
File opened for modification	C:\Windows\SysWOW64\7z.dll	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
File created	C:\Windows\SysWOW64\sysfiles\dsfVorbisEncoder.dll	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\hideprlib.dll	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\Logs	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\vp8encoder.dll	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\Microsoft.VC90.CRT.manifest	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\ProcessList.txt	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\rfusclient.exe	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\msvcr90.dll	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\msvcr90.dll	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\vp8decoder.dll	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\rutserv.exe	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\rutserv.exe	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\dsfVorbisDecoder.dll	7z.exe
File created	C:\Windows\SysWOW64\sysfiles\gdiplus.dll	7z.exe
File opened for modification	C:\Windows\SysWOW64\sysfiles\RWLN.dll	7z.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3656	rutserv.exe
3656	rutserv.exe
1784	rutserv.exe
1784	rutserv.exe
2340	rutserv.exe
2340	rutserv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 4880	4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe	81
PID 4804 wrote to memory of 4880	4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe	81
PID 4804 wrote to memory of 4880	4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe	81
PID 4804 wrote to memory of 3656	4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe	83
PID 4804 wrote to memory of 3656	4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe	83
PID 4804 wrote to memory of 3656	4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe	83
PID 4804 wrote to memory of 1784	4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe	84
PID 4804 wrote to memory of 1784	4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe	84
PID 4804 wrote to memory of 1784	4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe	84
PID 4804 wrote to memory of 2340	4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe	85
PID 4804 wrote to memory of 2340	4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe	85
PID 4804 wrote to memory of 2340	4804	65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe	85

C:\Users\Admin\AppData\Local\Temp\65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe
"C:\Users\Admin\AppData\Local\Temp\65e4497f14b0945a2144f28fb14364aa379b642512f6f09a1e6138a9ac2b365e.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Windows\SysWOW64\7z.exe
  "7z.exe" x -p1234 sysfiles.7z
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:4880
- C:\Windows\SysWOW64\sysfiles\rutserv.exe
  "C:\Windows\system32\sysfiles\rutserv.exe" /silentinstall
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:3656
- C:\Windows\SysWOW64\sysfiles\rutserv.exe
  "C:\Windows\system32\sysfiles\rutserv.exe" /firewall
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1784
- C:\Windows\SysWOW64\sysfiles\rutserv.exe
  "C:\Windows\system32\sysfiles\rutserv.exe" /start
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2340

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsq82F.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsq82F.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsq82F.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsq82F.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Windows\SysWOW64\7z.dll

Filesize
893KB

MD5
04ad4b80880b32c94be8d0886482c774

SHA1
344faf61c3eb76f4a2fb6452e83ed16c9cce73e0

SHA256
a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338

SHA512
3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb

Download Submit
C:\Windows\SysWOW64\7z.dll

Filesize
893KB

MD5
04ad4b80880b32c94be8d0886482c774

SHA1
344faf61c3eb76f4a2fb6452e83ed16c9cce73e0

SHA256
a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338

SHA512
3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb

Download Submit
C:\Windows\SysWOW64\7z.exe

Filesize
160KB

MD5
a51d90f2f9394f5ea0a3acae3bd2b219

SHA1
20fea1314dbed552d5fedee096e2050369172ee1

SHA256
ac9674feb8f2fad20c1e046de67f899419276ae79a60e8cc021a4bf472ae044f

SHA512
c11f981136db7d9bde01046b1953fd924ff29447d41257da09dd762451e27390cea9b69e43206a8fff825ebcd4ddec5a6247bb502aefbd6e8285622caa985bf6

Download Submit
C:\Windows\SysWOW64\7z.exe

Filesize
160KB

MD5
a51d90f2f9394f5ea0a3acae3bd2b219

SHA1
20fea1314dbed552d5fedee096e2050369172ee1

SHA256
ac9674feb8f2fad20c1e046de67f899419276ae79a60e8cc021a4bf472ae044f

SHA512
c11f981136db7d9bde01046b1953fd924ff29447d41257da09dd762451e27390cea9b69e43206a8fff825ebcd4ddec5a6247bb502aefbd6e8285622caa985bf6

Download Submit
C:\Windows\SysWOW64\sysfiles.7z

Filesize
3.9MB

MD5
3bc1615336a0b00af88d4810f1e647ba

SHA1
ee5b26ad9122a40eb557bc28d20b641166046c72

SHA256
ba2570baf4bef06059419affb7c6658ad79726c4e044e4b7ac11b6fd796d6010

SHA512
4ec61c411df3b24fdecacc0a899014955783f6cb8b0a43b972679bef8d26d54bb45f32ff33ebd0ec11ffdf3aa58002a67575d7df45627b79d9efda1b562a8c42

Download Submit
C:\Windows\SysWOW64\sysfiles\rutserv.exe

Filesize
5.7MB

MD5
84abcb8cc5427479c3e4ebe66300c78a

SHA1
4227f7850eaebf08f18aa6a2769a600a05bfbf70

SHA256
a0487ebd599580d2364bafcd8990970436e40e4979021e02866d0652067d6dbd

SHA512
2f3c5dcba1ea204e7abe9dcc47c40097a2d3ddd52b979a8bdd773977e64195a3b71cb5bd2bdb196e5c55071a918326bed34dadc48f1927067b9011bb3633039a

Download Submit
C:\Windows\SysWOW64\sysfiles\rutserv.exe

Filesize
5.7MB

MD5
84abcb8cc5427479c3e4ebe66300c78a

SHA1
4227f7850eaebf08f18aa6a2769a600a05bfbf70

SHA256
a0487ebd599580d2364bafcd8990970436e40e4979021e02866d0652067d6dbd

SHA512
2f3c5dcba1ea204e7abe9dcc47c40097a2d3ddd52b979a8bdd773977e64195a3b71cb5bd2bdb196e5c55071a918326bed34dadc48f1927067b9011bb3633039a

Download Submit
C:\Windows\SysWOW64\sysfiles\rutserv.exe

Filesize
5.7MB

MD5
84abcb8cc5427479c3e4ebe66300c78a

SHA1
4227f7850eaebf08f18aa6a2769a600a05bfbf70

SHA256
a0487ebd599580d2364bafcd8990970436e40e4979021e02866d0652067d6dbd

SHA512
2f3c5dcba1ea204e7abe9dcc47c40097a2d3ddd52b979a8bdd773977e64195a3b71cb5bd2bdb196e5c55071a918326bed34dadc48f1927067b9011bb3633039a

Download Submit
C:\Windows\SysWOW64\sysfiles\rutserv.exe

Filesize
5.7MB

MD5
84abcb8cc5427479c3e4ebe66300c78a

SHA1
4227f7850eaebf08f18aa6a2769a600a05bfbf70

SHA256
a0487ebd599580d2364bafcd8990970436e40e4979021e02866d0652067d6dbd

SHA512
2f3c5dcba1ea204e7abe9dcc47c40097a2d3ddd52b979a8bdd773977e64195a3b71cb5bd2bdb196e5c55071a918326bed34dadc48f1927067b9011bb3633039a

Download Submit
C:\Windows\SysWOW64\sysfiles\winmm.dll

Filesize
21KB

MD5
91b769ba7d48157f452bd26be72160ec

SHA1
b61e2369084235ebc0bc277c16d3a56ac20a95b9

SHA256
58e401bfbd9387d65571afda2ffc28d290d9d21843aa06a6ceca4f9457d357e9

SHA512
1c1a87690486d22007f6f0e5c101575a78f1a17255d4cf6a79df7f5c5b2b4c3e8ec01bf5df33515ea888df12d52a5cd959bd7df6dfb0acceb34b411e97f8f0c2

Download Submit
C:\Windows\SysWOW64\sysfiles\winmm.dll

Filesize
21KB

MD5
91b769ba7d48157f452bd26be72160ec

SHA1
b61e2369084235ebc0bc277c16d3a56ac20a95b9

SHA256
58e401bfbd9387d65571afda2ffc28d290d9d21843aa06a6ceca4f9457d357e9

SHA512
1c1a87690486d22007f6f0e5c101575a78f1a17255d4cf6a79df7f5c5b2b4c3e8ec01bf5df33515ea888df12d52a5cd959bd7df6dfb0acceb34b411e97f8f0c2

Download Submit
C:\Windows\SysWOW64\sysfiles\winmm.dll

Filesize
21KB

MD5
91b769ba7d48157f452bd26be72160ec

SHA1
b61e2369084235ebc0bc277c16d3a56ac20a95b9

SHA256
58e401bfbd9387d65571afda2ffc28d290d9d21843aa06a6ceca4f9457d357e9

SHA512
1c1a87690486d22007f6f0e5c101575a78f1a17255d4cf6a79df7f5c5b2b4c3e8ec01bf5df33515ea888df12d52a5cd959bd7df6dfb0acceb34b411e97f8f0c2

Download Submit
C:\Windows\SysWOW64\sysfiles\winmm.dll

Filesize
21KB

MD5
91b769ba7d48157f452bd26be72160ec

SHA1
b61e2369084235ebc0bc277c16d3a56ac20a95b9

SHA256
58e401bfbd9387d65571afda2ffc28d290d9d21843aa06a6ceca4f9457d357e9

SHA512
1c1a87690486d22007f6f0e5c101575a78f1a17255d4cf6a79df7f5c5b2b4c3e8ec01bf5df33515ea888df12d52a5cd959bd7df6dfb0acceb34b411e97f8f0c2

Download Submit
memory/1784-151-0x0000000073F40000-0x0000000073F47000-memory.dmp

Filesize
28KB

Download
memory/2340-156-0x0000000073F40000-0x0000000073F47000-memory.dmp

Filesize
28KB

Download
memory/3656-146-0x0000000074150000-0x0000000074157000-memory.dmp

Filesize
28KB

Download
memory/3656-145-0x0000000074150000-0x0000000074157000-memory.dmp

Filesize
28KB

Download