remcos | 5903351df18ec7eb5de3f2572cb84d18fdbc6e4af800386f4a714285f2ed52aa

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
08/11/2022, 18:45

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General

Target
SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe
Size 2.3MB
Sample221108-xd2v2acbd9
SHA256 5903351df18ec7eb5de3f2572cb84d18fdbc6e4af800386f4a714285f2ed52aa
MD5 7f446311219994e4889561435ae74b89
SHA1 af1efaba47e2e4a6ed51b4491d0ccfca3c15452d
SHA512 b267bb74d1428307b4b0ba7811038efcb76cadafb54ead04ed5213e01878d9b0e467fd5aab853f072146a8d1e8da9b7ef5c89348837a834eceb83138e97dbd6a
SSDEEP 49152:q69LdD7zhh61HVcAyAsO8pq9a+xKZXPHHC:Pna1Ns9XYKp
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos faith persistence rat

Malware Config

Extracted

Family

remcos

Botnet

FAITH

185.206.225.51:18853
127.0.0.1:18853
10.16.225.165:18853

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-QQ9K6X
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ofvsrfm = "\"C:\\Users\\Admin\\AppData\\Roaming\\Zjndvrfjtdw\\Ofvsrfm.exe\""	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1724 set thread context of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29

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 1 IoCs

pid	Process
2016	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe
Token: SeDebugPrivilege	2016	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2016	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	27
PID 1724 wrote to memory of 2016	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	27
PID 1724 wrote to memory of 2016	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	27
PID 1724 wrote to memory of 2016	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	27
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29
PID 1724 wrote to memory of 1448	1724	SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe	29

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAzAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2016
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe
  C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe
  2⤵
  PID:1448

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

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Downloads

memory/1448-74-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1448-70-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1448-80-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1448-79-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1448-78-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1448-72-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1448-62-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1448-65-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1448-63-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1448-69-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1448-68-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1448-67-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1724-55-0x0000000004C40000-0x0000000004E88000-memory.dmp

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memory/1724-54-0x00000000009C0000-0x0000000000C0E000-memory.dmp

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memory/1724-56-0x0000000074B51000-0x0000000074B53000-memory.dmp

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memory/2016-61-0x000000006F310000-0x000000006F8BB000-memory.dmp

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memory/2016-60-0x000000006F310000-0x000000006F8BB000-memory.dmp

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memory/2016-59-0x000000006F310000-0x000000006F8BB000-memory.dmp

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