rms | 19f95db09b659ec363b560cc4e7161bd51e18fe5b3c4ed5199708de544c11f25

Analysis

max time kernel
149s
max time network
138s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
16-06-2024 09:16

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General

Target

19f95db09b659ec363b560cc4e7161bd51e18fe5b3c4ed5199708de544c11f25.exe
Size

17.2MB
MD5

4fb2e04c13d6e6f444639b0ecc9a69c3
SHA1

9884b3332ee0c0d3eb739c8c77f46f6385005198
SHA256

19f95db09b659ec363b560cc4e7161bd51e18fe5b3c4ed5199708de544c11f25
SHA512

cf8969c5c69b5210a092f74d55c728d2ad067a6302bb793491f218918dfa6fb21cb7ac3b3f8e81e05ebbded9a3c44cf780069e21d85e69481080f0e84130b670
SSDEEP

393216:K9F87Bt4t6JCvP7ZfKBbd78rjI6ogQINazTsvzfUuEQ9L+z37:GUBtK82P7ZfKBh8rjI1IyTsvQu/9L+f

Score

10^/10

rms rat trojan upx

Malware Config

Signatures

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

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1988-0-0x0000000000400000-0x00000000029A1000-memory.dmp	upx
behavioral1/memory/1988-78-0x0000000000400000-0x00000000029A1000-memory.dmp	upx

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

rutserv.exerfusclient.exerfusclient.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Control Panel\International\Geo\Nation	rutserv.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Control Panel\International\Geo\Nation	rfusclient.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Control Panel\International\Geo\Nation	rfusclient.exe

Executes dropped EXE 4 IoCs

Processes:

rfusclient.exerutserv.exerutserv.exerfusclient.exe

pid process

2140 rfusclient.exe
2788 rutserv.exe
2448 rutserv.exe
2292 rfusclient.exe

Loads dropped DLL 9 IoCs

Processes:

19f95db09b659ec363b560cc4e7161bd51e18fe5b3c4ed5199708de544c11f25.exerfusclient.exerutserv.exerutserv.exe

pid	process
1988	19f95db09b659ec363b560cc4e7161bd51e18fe5b3c4ed5199708de544c11f25.exe
2140	rfusclient.exe
2140	rfusclient.exe
2140	rfusclient.exe
2140	rfusclient.exe
2788	rutserv.exe
2788	rutserv.exe
2448	rutserv.exe
2448	rutserv.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 4 IoCs

Processes:

rutserv.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@C:\Windows\system32\NetworkExplorer.dll,-1 = "Network"	rutserv.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	rutserv.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@C:\Windows\SysWOW64\ieframe.dll,-5723 = "The Internet"	rutserv.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@C:\Windows\system32\prnfldr.dll,-8036 = "Printers"	rutserv.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

rfusclient.exerutserv.exerutserv.exerfusclient.exe

pid	process
2140	rfusclient.exe
2140	rfusclient.exe
2788	rutserv.exe
2788	rutserv.exe
2788	rutserv.exe
2788	rutserv.exe
2788	rutserv.exe
2788	rutserv.exe
2448	rutserv.exe
2448	rutserv.exe
2448	rutserv.exe
2448	rutserv.exe
2448	rutserv.exe
2448	rutserv.exe
2292	rfusclient.exe
2292	rfusclient.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

rutserv.exerutserv.exe

description	pid	process
Token: SeDebugPrivilege	2788	rutserv.exe
Token: SeTakeOwnershipPrivilege	2448	rutserv.exe
Token: SeTcbPrivilege	2448	rutserv.exe
Token: SeTcbPrivilege	2448	rutserv.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

rfusclient.exe

pid process

2292 rfusclient.exe
2292 rfusclient.exe
2292 rfusclient.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

rfusclient.exe

pid process

2292 rfusclient.exe
2292 rfusclient.exe
2292 rfusclient.exe
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

rutserv.exerutserv.exe

pid process

2788 rutserv.exe
2788 rutserv.exe
2788 rutserv.exe
2788 rutserv.exe
2448 rutserv.exe
2448 rutserv.exe
2448 rutserv.exe
2448 rutserv.exe
2448 rutserv.exe

pid	process
2292	rfusclient.exe
2292	rfusclient.exe
2292	rfusclient.exe

pid	process
2292	rfusclient.exe
2292	rfusclient.exe
2292	rfusclient.exe

pid	process
2788	rutserv.exe
2788	rutserv.exe
2788	rutserv.exe
2788	rutserv.exe
2448	rutserv.exe
2448	rutserv.exe
2448	rutserv.exe
2448	rutserv.exe
2448	rutserv.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

19f95db09b659ec363b560cc4e7161bd51e18fe5b3c4ed5199708de544c11f25.exerfusclient.exerutserv.exe

description	pid	process	target process
PID 1988 wrote to memory of 2140	1988	19f95db09b659ec363b560cc4e7161bd51e18fe5b3c4ed5199708de544c11f25.exe	rfusclient.exe
PID 1988 wrote to memory of 2140	1988	19f95db09b659ec363b560cc4e7161bd51e18fe5b3c4ed5199708de544c11f25.exe	rfusclient.exe
PID 1988 wrote to memory of 2140	1988	19f95db09b659ec363b560cc4e7161bd51e18fe5b3c4ed5199708de544c11f25.exe	rfusclient.exe
PID 1988 wrote to memory of 2140	1988	19f95db09b659ec363b560cc4e7161bd51e18fe5b3c4ed5199708de544c11f25.exe	rfusclient.exe
PID 2140 wrote to memory of 2788	2140	rfusclient.exe	rutserv.exe
PID 2140 wrote to memory of 2788	2140	rfusclient.exe	rutserv.exe
PID 2140 wrote to memory of 2788	2140	rfusclient.exe	rutserv.exe
PID 2140 wrote to memory of 2788	2140	rfusclient.exe	rutserv.exe
PID 2448 wrote to memory of 2292	2448	rutserv.exe	rfusclient.exe
PID 2448 wrote to memory of 2292	2448	rutserv.exe	rfusclient.exe
PID 2448 wrote to memory of 2292	2448	rutserv.exe	rfusclient.exe
PID 2448 wrote to memory of 2292	2448	rutserv.exe	rfusclient.exe

C:\Users\Admin\AppData\Local\Temp\19f95db09b659ec363b560cc4e7161bd51e18fe5b3c4ed5199708de544c11f25.exe
"C:\Users\Admin\AppData\Local\Temp\19f95db09b659ec363b560cc4e7161bd51e18fe5b3c4ed5199708de544c11f25.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\rfusclient.exe
  "C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\rfusclient.exe" -run_agent
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\rutserv.exe
    "C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\rutserv.exe" -run_agent
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2788
  - - C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\rutserv.exe
      "C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\rutserv.exe" -run_agent -second
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2448
    - - C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\rfusclient.exe
        
        "C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\rfusclient.exe" /tray /user
        5⤵
        Checks computer location settings
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        
        PID:2292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\EULA.rtf

Filesize
133KB

MD5
7fd09e69fa62629a04d1e23bb8ca5ff6

SHA1
3952c5f339c8bbdf17aff113bcb0149ac8ce4fa6

SHA256
f9c56736029b7d278bf8fabc6e0f5bdac67e24b088f2172ea07df2baa3072c19

SHA512
e66d523eb5bdfc517749b608ffcd66b883be9c4b8c5c42dbf7e48fe412a5c0ca0876d0dbc8a68355e7bb532ce8749c5e444a25f996b4c27e382e79579ab2b59a

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\branding.ini

Filesize
314B

MD5
a8bebf98e8c74d6a9f0a8d5ad93d0acf

SHA1
a2ba3cf43d7afb8d76c5dfd804ec627503b6ce65

SHA256
754700b1c6bcfdac1ed9f4e936a55a102fae9d174b8058a15bdccc6c43e0aa07

SHA512
b02bc2327ab50af74b9b8e4d289c92bd90156a1ca7697a2fbd7609125fd2f82e19d9ff0cd99da12ea9e237de78547c88a723547d586f14a5b82ab2590fbb2ea4

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\eventmsg.dll

Filesize
51KB

MD5
4e84df6558c385bc781cddea34c9fba3

SHA1
6d63d87c19c11bdbfa484a5835ffffd7647296c8

SHA256
0526073f28a3b5999528bfa0e680d668922499124f783f02c52a3b25c367ef6d

SHA512
c35da0744568bfffeff09e6590d059e91e5d380c5feb3a0fbc5b19477ceca007a882884a7033345ce408fce1deac5248ad9b046656478d734fe494b787f8a9f2

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\libeay32.dll

Filesize
1.3MB

MD5
5222eaf78313758b0520be16e3f8392e

SHA1
9c7cc8fb340618fef38422cf0c75c4c9bfb216e2

SHA256
4771b71a48190504094d104087dd431c1c40bde6fad0338a86aa42f7f2a457a5

SHA512
459503146f963c64777c56176e480e3334c5bcff2bfef14fc2925b38f1f32117c387dc957789e1691a68798c004c9e672460bda51edcc7b45fb0e1553bf66812

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\logo.png

Filesize
110KB

MD5
7cd22de82ee1ba7ceda6fae9532805a8

SHA1
2eb959a8e390e91924f8873c9ff953b7f42ab54f

SHA256
d48a751c34e679cbafa29b2ae1ff178d2a4b19b260fe8a9f6f3dc18da81bd36d

SHA512
15dc9f6dc77ea72299882c20c3238d713fb6acbb1c7beba8e6bb6e158ffbeea4046e83d78daa22b7f71e7c58d6c8ee8989d51d3859c9961a0b621b164c74beea

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\rfusclient.exe

Filesize
10.3MB

MD5
2edafb34eb63daee875fecc5b19246a2

SHA1
2a43141312241ba7f3830242f6934a0e1203350d

SHA256
cf49b75a2d687a2699a32f34bbebca1e5b65421ce0828c22e226dda1e26dd28b

SHA512
cf732dfc0151ece0fcd637ee1cd9d59a1728a587f6922646465c03b347a235211fe38459e96c7304cf88418a886a5441c93ee31e16b7917c94347013fdc606b3

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\rutserv.exe

Filesize
20.2MB

MD5
4bd8516dc7c798b63b69b7b668d4fc20

SHA1
57f3a92681aa9e4a57ddf9b0ac5091c0e393053e

SHA256
399f620d9b547d9f9e5d41067e6cbe2d58714d4991901180fbac5661b149d077

SHA512
71469af6064d3e1d279a7b249d4cd18e8cf4abbf8375f35ca1f7287ae7b29848bb23dbfe0cc2962283a9fae6886aa64d328e165de9eb2198b82a6803ff348d81

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\settings.dat

Filesize
7KB

MD5
394bbd5e34be1365a969a64a0acceb38

SHA1
041da706cd0bce4b787dca9cccc4da14ddd0aac2

SHA256
f2d6b96469b7b0ac033cca1db9b8ede063ba74dc7168cb06f0b11f534c58ce33

SHA512
ac0d6f7aa1a0844fb2956946a616507c0b6e2ec71549aa97d656c0a8e77f555cf99725819995fcb1ab38206f442ea84e55e9bf2500ef6734908e7be8da15a16c

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\ssleay32.dll

Filesize
337KB

MD5
90a4b7fc6807693e68dd32b68614d989

SHA1
785484ef531ca90f323d5b017fefcff05e68093a

SHA256
4f475bd6235d2f761f6c6dbdf3f4b2f35fc6a3787e6b1b28a1912e85cb9be2f6

SHA512
97b970cb24774f141042149ac53e45b3fc42f9ce911c0ca774aa3812f48d7744434bf31d217b2a8522439d0e3f71048cc916556c18a71be61b203c942373a81c

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\vp8decoder.dll

Filesize
379KB

MD5
e247666cdea63da5a95aebc135908207

SHA1
4642f6c3973c41b7d1c9a73111a26c2d7ac9c392

SHA256
b419ed0374e3789b4f83d4af601f796d958e366562a0aaea5d2f81e82abdcf33

SHA512
06da11e694d5229783cfb058dcd04d855a1d0758beeaa97bcd886702a1502d0bf542e7890aa8f2e401be36ccf70376b5c091a5d328bb1abe738bc0798ab98a54

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\vp8encoder.dll

Filesize
1.6MB

MD5
d5c2a6ac30e76b7c9b55adf1fe5c1e4a

SHA1
3d841eb48d1a32b511611d4b9e6eed71e2c373ee

SHA256
11c7004851e6e6624158990dc8abe3aa517bcab708364d469589ad0ca3dba428

SHA512
3c1c7fb535e779ac6c0d5aef2d4e9239f1c27136468738a0bd8587f91b99365a38808be31380be98fd74063d266654a6ac2c2e88861a3fe314a95f1296699e1d

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\webmmux.dll

Filesize
259KB

MD5
49c51ace274d7db13caa533880869a4a

SHA1
b539ed2f1a15e2d4e5c933611d736e0c317b8313

SHA256
1d6407d7c7ffd2642ea7f97c86100514e8e44f58ff522475cb42bcc43a1b172b

SHA512
13440009e2f63078dce466bf2fe54c60feb6cedeed6e9e6fc592189c50b0780543c936786b7051311089f39e9e3ccb67f705c54781c4cae6d3a8007998befbf6

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\webmvorbisdecoder.dll

Filesize
364KB

MD5
eda07083af5b6608cb5b7c305d787842

SHA1
d1703c23522d285a3ccdaf7ba2eb837d40608867

SHA256
c4683eb09d65d692ca347c0c21f72b086bd2faf733b13234f3a6b28444457d7d

SHA512
be5879621d544c4e2c4b0a5db3d93720623e89e841b2982c7f6c99ba58d30167e0dd591a12048ed045f19ec45877aa2ef631b301b903517effa17579c4b7c401

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\70220\B19343CD17\webmvorbisencoder.dll

Filesize
859KB

MD5
642dc7e57f0c962b9db4c8fb346bc5a7

SHA1
acee24383b846f7d12521228d69135e5704546f6

SHA256
63b4b5db4a96a8abec82b64034f482b433cd4168c960307ac5cc66d2fbf67ede

SHA512
fb163a0ce4e3ad0b0a337f5617a7bf59070df05cc433b6463384e8687af3edc197e447609a0d86fe25ba3ee2717fd470f2620a8fc3a2998a7c3b3a40530d0bae

Download Submit
memory/1988-75-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/1988-0-0x0000000000400000-0x00000000029A1000-memory.dmp

Filesize
37.6MB

Download
memory/1988-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1988-78-0x0000000000400000-0x00000000029A1000-memory.dmp

Filesize
37.6MB

Download
memory/2140-86-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-115-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-147-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-110-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-152-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-132-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-144-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-118-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-141-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-138-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-121-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-135-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-126-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2292-129-0x0000000000AB0000-0x00000000015A2000-memory.dmp

Filesize
10.9MB

Download
memory/2448-111-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-117-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-128-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-134-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-125-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-137-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-120-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-131-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-140-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-143-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-114-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-146-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-108-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2448-151-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download
memory/2788-92-0x00000000012F0000-0x00000000027E1000-memory.dmp

Filesize
20.9MB

Download