remcos | c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232 | Triage

Resubmissions

09-04-2024 14:12

240409-rh1kwace2w 10

09-04-2024 14:12

240409-rhzzcace2v 10

09-04-2024 14:12

240409-rhzctace2t 10

09-04-2024 14:12

240409-rhyraace2s 10

04-04-2024 02:29

240404-cyldkacg38 10

Analysis

max time kernel
613s
max time network
629s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
09-04-2024 14:12

Sharing

Report Analysis Logs

General

Target

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
Size

567KB
MD5

9a12cd3ad2a3a069cc5584ad9898ef31
SHA1

382be6fabd231519f6562d966b63e4193c2befb8
SHA256

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232
SHA512

f564be2951509bdf5a61b6e9c609b74b37530fbd06b7dd7e9180667eac18259f8ff06ce9d5bb042412375837883e14273ba341f77293af18d132216371dd1444
SSDEEP

12288:l82iNlw0VQblYG0iGSQSpGrDJZ5vdkN1dB6duNvt9X7BCtAZV7wdEAmD:m1XtQ5x0RSQZTNdk1P/Ad

Score

10^/10

remcos gg rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

gg

C2

62.102.148.185:9771

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
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
newstart
keylog_path
%AppData%
mouse_option
false
mutex
remcos_wgwfvnfssp
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
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

Suspicious use of SetThreadContext 1 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

description	pid	process	target process
PID 1176 set thread context of 5088	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3864 schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exepowershell.exepowershell.exe

pid	process
1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
3180	powershell.exe
4696	powershell.exe
1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4696	powershell.exe
1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
3180	powershell.exe
4696	powershell.exe
3180	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
Token: SeDebugPrivilege	4696	powershell.exe
Token: SeDebugPrivilege	3180	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

pid process

5088 c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

description	pid	process	target process
PID 1176 wrote to memory of 4696	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 1176 wrote to memory of 4696	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 1176 wrote to memory of 4696	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 1176 wrote to memory of 3180	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 1176 wrote to memory of 3180	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 1176 wrote to memory of 3180	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 1176 wrote to memory of 3864	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 1176 wrote to memory of 3864	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 1176 wrote to memory of 3864	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 1176 wrote to memory of 5088	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1176 wrote to memory of 5088	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1176 wrote to memory of 5088	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1176 wrote to memory of 5088	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1176 wrote to memory of 5088	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1176 wrote to memory of 5088	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1176 wrote to memory of 5088	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1176 wrote to memory of 5088	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1176 wrote to memory of 5088	1176	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
"C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4696

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\foIcbEsQbkbkPw.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3180

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\foIcbEsQbkbkPw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp632A.tmp"
2⤵
- Creates scheduled task(s)
PID:3864

C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
"C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:5088

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0zmoms4a.5w1.ps1
Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp632A.tmp
Filesize
1KB

MD5
422a75b27c2546336baf99eb83e34b0b

SHA1
62142db71d9e7d8bcaa6e9e17d5902bc7815ffd6

SHA256
27f97d7368203454b2aa7454c3553d669e2a4f82b91b326fd703e6fd32cb2eca

SHA512
5e5cad153953756a7c6596282ee23af2f144e8f6260f00b1eaa67f07c0bf76b2a01ce8c446910a95808e22759950b3949089af1a39183da2a26a8c676c1d27f2

Download Submit
memory/1176-6-0x0000000005540000-0x00000000055DC000-memory.dmp

Filesize
624KB

Download
memory/1176-3-0x00000000052D0000-0x0000000005362000-memory.dmp

Filesize
584KB

Download
memory/1176-5-0x0000000005440000-0x000000000544A000-memory.dmp

Filesize
40KB

Download
memory/1176-4-0x0000000005530000-0x0000000005540000-memory.dmp

Filesize
64KB

Download
memory/1176-2-0x00000000057D0000-0x0000000005CCE000-memory.dmp

Filesize
5.0MB

Download
memory/1176-7-0x00000000054F0000-0x0000000005502000-memory.dmp

Filesize
72KB

Download
memory/1176-8-0x0000000005500000-0x000000000550C000-memory.dmp

Filesize
48KB

Download
memory/1176-9-0x0000000006BF0000-0x0000000006C4E000-memory.dmp

Filesize
376KB

Download
memory/1176-10-0x00000000737D0000-0x0000000073EBE000-memory.dmp

Filesize
6.9MB

Download
memory/1176-11-0x0000000005530000-0x0000000005540000-memory.dmp

Filesize
64KB

Download
memory/1176-40-0x00000000737D0000-0x0000000073EBE000-memory.dmp

Filesize
6.9MB

Download
memory/1176-1-0x00000000737D0000-0x0000000073EBE000-memory.dmp

Filesize
6.9MB

Download
memory/1176-0-0x0000000000870000-0x0000000000904000-memory.dmp

Filesize
592KB

Download
memory/3180-517-0x00000000737D0000-0x0000000073EBE000-memory.dmp

Filesize
6.9MB

Download
memory/3180-24-0x00000000737D0000-0x0000000073EBE000-memory.dmp

Filesize
6.9MB

Download
memory/3180-25-0x00000000068E0000-0x00000000068F0000-memory.dmp

Filesize
64KB

Download
memory/3180-82-0x0000000006B90000-0x0000000006BAE000-memory.dmp

Filesize
120KB

Download
memory/3180-27-0x00000000068E0000-0x00000000068F0000-memory.dmp

Filesize
64KB

Download
memory/3180-93-0x00000000068E0000-0x00000000068F0000-memory.dmp

Filesize
64KB

Download
memory/3180-80-0x000000006E9C0000-0x000000006EA0B000-memory.dmp

Filesize
300KB

Download
memory/3180-30-0x00000000078C0000-0x0000000007926000-memory.dmp

Filesize
408KB

Download
memory/3180-31-0x00000000079B0000-0x0000000007A16000-memory.dmp

Filesize
408KB

Download
memory/3180-77-0x000000007F3E0000-0x000000007F3F0000-memory.dmp

Filesize
64KB

Download
memory/3180-489-0x0000000009410000-0x0000000009418000-memory.dmp

Filesize
32KB

Download
memory/3180-514-0x00000000737D0000-0x0000000073EBE000-memory.dmp

Filesize
6.9MB

Download
memory/4696-34-0x00000000077E0000-0x0000000007B30000-memory.dmp

Filesize
3.3MB

Download
memory/4696-94-0x00000000092D0000-0x0000000009364000-memory.dmp

Filesize
592KB

Download
memory/4696-43-0x0000000007C70000-0x0000000007CBB000-memory.dmp

Filesize
300KB

Download
memory/4696-42-0x0000000007C50000-0x0000000007C6C000-memory.dmp

Filesize
112KB

Download
memory/4696-18-0x00000000737D0000-0x0000000073EBE000-memory.dmp

Filesize
6.9MB

Download
memory/4696-44-0x0000000007EF0000-0x0000000007F66000-memory.dmp

Filesize
472KB

Download
memory/4696-518-0x00000000737D0000-0x0000000073EBE000-memory.dmp

Filesize
6.9MB

Download
memory/4696-19-0x00000000065A0000-0x00000000065D6000-memory.dmp

Filesize
216KB

Download
memory/4696-78-0x000000007E9D0000-0x000000007E9E0000-memory.dmp

Filesize
64KB

Download
memory/4696-79-0x0000000008F50000-0x0000000008F83000-memory.dmp

Filesize
204KB

Download
memory/4696-29-0x0000000006C10000-0x0000000006C32000-memory.dmp

Filesize
136KB

Download
memory/4696-81-0x000000006E9C0000-0x000000006EA0B000-memory.dmp

Filesize
300KB

Download
memory/4696-26-0x0000000006750000-0x0000000006760000-memory.dmp

Filesize
64KB

Download
memory/4696-91-0x0000000009080000-0x0000000009125000-memory.dmp

Filesize
660KB

Download
memory/4696-92-0x0000000006750000-0x0000000006760000-memory.dmp

Filesize
64KB

Download
memory/4696-23-0x0000000006D90000-0x00000000073B8000-memory.dmp

Filesize
6.2MB

Download
memory/4696-20-0x0000000006750000-0x0000000006760000-memory.dmp

Filesize
64KB

Download
memory/4696-480-0x0000000009190000-0x00000000091AA000-memory.dmp

Filesize
104KB

Download
memory/5088-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5088-32-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5088-36-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5088-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5088-519-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download