remcos | eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb

General

Target

eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe
Size

718KB
MD5

972334f0c55d0aeab0b32efe41ea3470
SHA1

e9097b5cd1f976ecaf0accedf14f1d22bd72e6fa
SHA256

eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb
SHA512

df120f43fa17b2c37ad6d31e528495241146420cd017c18116bd074498cef3834f408c50d289f8bdce2955c464664a6c446800cb7b55c1461fb3cc0accc7fe10

Score

10^/10

remcos 06192022 persistence rat

Malware Config

Extracted

Family

remcos

Botnet

06192022

C2

nikahuve.ac.ug:6968

kalskala.ac.ug:6968

tuekisaa.ac.ug:6968

parthaha.ac.ug:6968

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
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
scxs.dat
keylog_flag
false
keylog_folder
forbas
keylog_path
%AppData%
mouse_option
false
mutex
cvxyttydfsgbghfgfhtd-RXTSAM
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
take_screenshot_title
notepad;solitaire;

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

Processes:

eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qerdo = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ppjollp\\Qerdo.exe\""	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe

description	pid	process	target process
PID 2040 set thread context of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.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 2 IoCs

Processes:

powershell.exeeb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe

pid process

1488 powershell.exe
2040 eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe

pid	process
1488	powershell.exe
2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe
Token: SeDebugPrivilege	1488	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

1924 InstallUtil.exe

pid	process
1924	InstallUtil.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe

description	pid	process	target process
PID 2040 wrote to memory of 1488	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	powershell.exe
PID 2040 wrote to memory of 1488	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	powershell.exe
PID 2040 wrote to memory of 1488	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	powershell.exe
PID 2040 wrote to memory of 1488	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	powershell.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe
PID 2040 wrote to memory of 1924	2040	eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe
"C:\Users\Admin\AppData\Local\Temp\eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwADsAIABTAGUAdAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAGEAdABoACAAJwBDADoAXAAnAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1488

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:1924

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1488-58-0x0000000000000000-mapping.dmp

Download
memory/1488-61-0x000000006FC10000-0x00000000701BB000-memory.dmp

Filesize
5.7MB

Download
memory/1488-60-0x000000006FC10000-0x00000000701BB000-memory.dmp

Filesize
5.7MB

Download
memory/1924-67-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-69-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-80-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-79-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-62-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-63-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-65-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-78-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-68-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-74-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-70-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-72-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/1924-75-0x000000000043133D-mapping.dmp

Download
memory/2040-57-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/2040-54-0x00000000010B0000-0x000000000116A000-memory.dmp

Filesize
744KB

Download
memory/2040-55-0x00000000049D0000-0x0000000004AC8000-memory.dmp

Filesize
992KB

Download
memory/2040-56-0x0000000000E80000-0x0000000000ECC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads