rms | 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef

Analysis

max time kernel
12s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
24-05-2022 21:27

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General

Target

857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe
Size

4.2MB
MD5

a4cb05cc6d5cdf278edbbed2c65ef0a9
SHA1

6a7518bc87321192d598044db3036389cfb7420d
SHA256

857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef
SHA512

e086914151a7e238740d816ea63672804e7e5c587a4db231a1d40091d8e54db960463038efdee5aee0ab9aba187d17f70e5bc72ba1265b6a8c2ed467a793823a

Score

10^/10

rms aspackv2 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/0x0006000000023174-174.dat	acprotect
behavioral2/files/0x0006000000023173-173.dat	acprotect

ASPack v2.12-2.42 5 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0006000000023172-161.dat	aspack_v212_v242
behavioral2/files/0x0006000000023172-167.dat	aspack_v212_v242
behavioral2/files/0x0006000000023171-175.dat	aspack_v212_v242
behavioral2/files/0x0006000000023171-179.dat	aspack_v212_v242
behavioral2/files/0x0006000000023171-178.dat	aspack_v212_v242

Executes dropped EXE 3 IoCs

pid	Process
1240	fotowob dl9 4ainikoB.exe
3820	rutserv.exe
4440	rutserv.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0006000000023174-174.dat	upx
behavioral2/files/0x0006000000023173-173.dat	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	fotowob dl9 4ainikoB.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops file in Program Files directory 20 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\rfusclient.exe	fotowob dl9 4ainikoB.exe
File opened for modification	C:\Program Files (x86)\rutserv.exe	fotowob dl9 4ainikoB.exe
File opened for modification	C:\Program Files (x86)\vp8decoder.dll	fotowob dl9 4ainikoB.exe
File created	C:\Program Files (x86)\regedit.reg	fotowob dl9 4ainikoB.exe
File opened for modification	C:\Program Files\fotowob dl9 4ainikoB.exe	857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe
File opened for modification	C:\Program Files\download.jpg	857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe
File created	C:\Program Files (x86)\__tmp_rar_sfx_access_check_240563406	fotowob dl9 4ainikoB.exe
File created	C:\Program Files (x86)\install.bat	fotowob dl9 4ainikoB.exe
File created	C:\Program Files (x86)\rfusclient.exe	fotowob dl9 4ainikoB.exe
File created	C:\Program Files (x86)\vp8decoder.dll	fotowob dl9 4ainikoB.exe
File created	C:\Program Files (x86)\install.vbs	fotowob dl9 4ainikoB.exe
File opened for modification	C:\Program Files (x86)\install.vbs	fotowob dl9 4ainikoB.exe
File created	C:\Program Files\__tmp_rar_sfx_access_check_240562843	857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe
File created	C:\Program Files (x86)\rutserv.exe	fotowob dl9 4ainikoB.exe
File opened for modification	C:\Program Files (x86)\vp8encoder.dll	fotowob dl9 4ainikoB.exe
File opened for modification	C:\Program Files (x86)\regedit.reg	fotowob dl9 4ainikoB.exe
File created	C:\Program Files\fotowob dl9 4ainikoB.exe	857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe
File created	C:\Program Files\download.jpg	857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe
File opened for modification	C:\Program Files (x86)\install.bat	fotowob dl9 4ainikoB.exe
File created	C:\Program Files (x86)\vp8encoder.dll	fotowob dl9 4ainikoB.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3496	timeout.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
2320	taskkill.exe
3184	taskkill.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\Local Settings	fotowob dl9 4ainikoB.exe

Runs .reg file with regedit 1 IoCs

pid	Process
4376	regedit.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3820	rutserv.exe
3820	rutserv.exe
3820	rutserv.exe
3820	rutserv.exe
3820	rutserv.exe
3820	rutserv.exe
4440	rutserv.exe
4440	rutserv.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3184	taskkill.exe
Token: SeDebugPrivilege	2320	taskkill.exe
Token: SeDebugPrivilege	3820	rutserv.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3820	rutserv.exe
4440	rutserv.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 1240	5016	857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe	78
PID 5016 wrote to memory of 1240	5016	857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe	78
PID 5016 wrote to memory of 1240	5016	857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe	78
PID 1240 wrote to memory of 1112	1240	fotowob dl9 4ainikoB.exe	80
PID 1240 wrote to memory of 1112	1240	fotowob dl9 4ainikoB.exe	80
PID 1240 wrote to memory of 1112	1240	fotowob dl9 4ainikoB.exe	80
PID 1112 wrote to memory of 100	1112	WScript.exe	82
PID 1112 wrote to memory of 100	1112	WScript.exe	82
PID 1112 wrote to memory of 100	1112	WScript.exe	82
PID 100 wrote to memory of 3184	100	cmd.exe	83
PID 100 wrote to memory of 3184	100	cmd.exe	83
PID 100 wrote to memory of 3184	100	cmd.exe	83
PID 100 wrote to memory of 2320	100	cmd.exe	84
PID 100 wrote to memory of 2320	100	cmd.exe	84
PID 100 wrote to memory of 2320	100	cmd.exe	84
PID 100 wrote to memory of 3060	100	cmd.exe	87
PID 100 wrote to memory of 3060	100	cmd.exe	87
PID 100 wrote to memory of 3060	100	cmd.exe	87
PID 100 wrote to memory of 4376	100	cmd.exe	85
PID 100 wrote to memory of 4376	100	cmd.exe	85
PID 100 wrote to memory of 4376	100	cmd.exe	85
PID 100 wrote to memory of 3496	100	cmd.exe	86
PID 100 wrote to memory of 3496	100	cmd.exe	86
PID 100 wrote to memory of 3496	100	cmd.exe	86
PID 100 wrote to memory of 3820	100	cmd.exe	88
PID 100 wrote to memory of 3820	100	cmd.exe	88
PID 100 wrote to memory of 3820	100	cmd.exe	88
PID 100 wrote to memory of 4440	100	cmd.exe	89
PID 100 wrote to memory of 4440	100	cmd.exe	89
PID 100 wrote to memory of 4440	100	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe
"C:\Users\Admin\AppData\Local\Temp\857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Program Files\fotowob dl9 4ainikoB.exe
  "C:\Program Files\fotowob dl9 4ainikoB.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Drops file in Program Files directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\install.vbs"
    3⤵
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:1112
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\install.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:100
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /f /im rutserv.exe
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3184
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /f /im rfusclient.exe
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:2320
    - - C:\Windows\SysWOW64\regedit.exe
        
        regedit /s "regedit.reg"
        5⤵
        Runs .reg file with regedit
        
        PID:4376
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 2
        5⤵
        Delays execution with timeout.exe
        
        PID:3496
    - - C:\Windows\SysWOW64\reg.exe
        
        reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
        5⤵
        
        PID:3060
    - - C:\Program Files (x86)\rutserv.exe
        
        rutserv.exe /silentinstall
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:3820
    - - C:\Program Files (x86)\rutserv.exe
        
        rutserv.exe /firewall
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of SetWindowsHookEx
        
        PID:4440
    - - C:\Program Files (x86)\rutserv.exe
        
        rutserv.exe /start
        5⤵
        
        PID:4872

C:\Program Files (x86)\rutserv.exe
"C:\Program Files (x86)\rutserv.exe"
1⤵
PID:1692
- C:\Program Files (x86)\rfusclient.exe
  "C:\Program Files (x86)\rfusclient.exe" /tray
  2⤵
  PID:1828
- C:\Program Files (x86)\rfusclient.exe
  "C:\Program Files (x86)\rfusclient.exe"
  2⤵
  PID:4144
- - C:\Program Files (x86)\rfusclient.exe
    "C:\Program Files (x86)\rfusclient.exe" /tray
    3⤵
    PID:2924

Network

MITRE ATT&CK Enterprise v6

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:\Program Files (x86)\install.bat

Filesize
480B

MD5
99db27d776e103cad354b531ee1f20b9

SHA1
0b82d146df8528f66d1d14756f211fd3a8b1b91a

SHA256
240020a1a1941d1455135b5cb134e502a13b148be16cbb1552482aa03c29f8f3

SHA512
bc2ed33495c0a752397b2f1b9b7ba65f94ea5be82dde74c618342c83b68f1b92a4783b672cd427843533799e1af0875e0fd000b12236852e9e2fa93005d7ac69

Download Submit
C:\Program Files (x86)\install.vbs

Filesize
117B

MD5
65fc32766a238ff3e95984e325357dbb

SHA1
3ac16a2648410be8aa75f3e2817fbf69bb0e8922

SHA256
a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420

SHA512
621e81fc2d0f9dd92413481864638a140bee94c7dbd31f944826b21bd6ad6b8a59e63de9f7f0025cffc0efb7f9975dde77f523510ee23ada62c152a63a22f608

Download Submit
C:\Program Files (x86)\rfusclient.exe

Filesize
1.5MB

MD5
b8667a1e84567fcf7821bcefb6a444af

SHA1
9c1f91fe77ad357c8f81205d65c9067a270d61f0

SHA256
dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

SHA512
ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

Download Submit
C:\Program Files (x86)\rfusclient.exe

Filesize
1.5MB

MD5
b8667a1e84567fcf7821bcefb6a444af

SHA1
9c1f91fe77ad357c8f81205d65c9067a270d61f0

SHA256
dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

SHA512
ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

Download Submit
C:\Program Files (x86)\rfusclient.exe

Filesize
1.5MB

MD5
b8667a1e84567fcf7821bcefb6a444af

SHA1
9c1f91fe77ad357c8f81205d65c9067a270d61f0

SHA256
dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

SHA512
ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

Download Submit
C:\Program Files (x86)\rutserv.exe

Filesize
1.7MB

MD5
37a8802017a212bb7f5255abc7857969

SHA1
cb10c0d343c54538d12db8ed664d0a1fa35b6109

SHA256
1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

SHA512
4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

Download Submit
C:\Program Files (x86)\rutserv.exe

Filesize
1.7MB

MD5
37a8802017a212bb7f5255abc7857969

SHA1
cb10c0d343c54538d12db8ed664d0a1fa35b6109

SHA256
1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

SHA512
4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

Download Submit
C:\Program Files (x86)\vp8decoder.dll

Filesize
155KB

MD5
88318158527985702f61d169434a4940

SHA1
3cc751ba256b5727eb0713aad6f554ff1e7bca57

SHA256
4c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74

SHA512
5d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff

Download Submit
C:\Program Files (x86)\vp8encoder.dll

Filesize
593KB

MD5
6298c0af3d1d563834a218a9cc9f54bd

SHA1
0185cd591e454ed072e5a5077b25c612f6849dc9

SHA256
81af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172

SHA512
389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe

Download Submit
C:\Program Files\fotowob dl9 4ainikoB.exe

Filesize
2.4MB

MD5
99797eda3b3e3eda7ac8a988a3ab9df2

SHA1
718923e1caae01af1d345d34d25bf01e692ad981

SHA256
4b040108a1fa7c767c1f61ac861dbd79bacbee509d6f29b69851932043b5c487

SHA512
26aa1230efdcbcc267cc245e96643139dd9e8b9a42a7442c1639ecfcccdeb8adbc93987a0356c1ce44b049bdf2e771ee67c9f8fdcd73e05a792c84f1453c0c2b

Download Submit
C:\Program Files\fotowob dl9 4ainikoB.exe

Filesize
1.9MB

MD5
bafc2b317e9d7b3c03e2cbe44611d7ca

SHA1
d800adc846fa655143e41d8755e3c996c8b15005

SHA256
65867d5d1d61338f45883c4c0b922ed3db8f8cc9b6e15cbd12828da7e3baf610

SHA512
89dda0e9d3858a243346f1cae35a828bcee7676a66a0fe42aca38ead3ca3dfc7de4370f8e82e1edc86e5b1032458a827560a88f88bb2233c23b58be3869ebd11

Download Submit
memory/1692-199-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/1692-171-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/1692-170-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/1692-172-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/1692-169-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/1692-168-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/1828-188-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/1828-183-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/1828-190-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/1828-181-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/1828-186-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/2924-198-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/2924-194-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/2924-196-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/2924-197-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/2924-195-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/2924-193-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/3820-150-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/3820-148-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/3820-147-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/3820-149-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/3820-146-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/3820-151-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/4144-182-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/4144-189-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/4144-184-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/4144-187-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/4144-185-0x0000000000400000-0x00000000009B6000-memory.dmp

Filesize
5.7MB

Download
memory/4440-154-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/4440-158-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/4440-155-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/4440-156-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/4440-159-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/4440-157-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/4872-166-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/4872-163-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/4872-164-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/4872-180-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/4872-165-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download
memory/4872-162-0x0000000000400000-0x0000000000AB9000-memory.dmp

Filesize
6.7MB

Download