remcos | c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232

Resubmissions

09-04-2024 14:12

240409-rh1kwace2w 10

09-04-2024 14:12

09-04-2024 14:12

09-04-2024 14:12

04-04-2024 02:29

Analysis

max time kernel
299s
max time network
310s
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

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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

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 1004 set thread context of 4916	1004	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

3848 schtasks.exe

pid	process
3848	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exepowershell.exepowershell.exe

pid	process
1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
808	powershell.exe
5016	powershell.exe
1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
808	powershell.exe
5016	powershell.exe
5016	powershell.exe
808	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
Token: SeDebugPrivilege	808	powershell.exe
Token: SeDebugPrivilege	5016	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

pid process

4916 c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

pid	process
4916	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

description	pid	process	target process
PID 1004 wrote to memory of 808	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 1004 wrote to memory of 808	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 1004 wrote to memory of 808	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 1004 wrote to memory of 5016	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 1004 wrote to memory of 5016	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 1004 wrote to memory of 5016	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 1004 wrote to memory of 3848	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 1004 wrote to memory of 3848	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 1004 wrote to memory of 3848	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 1004 wrote to memory of 4916	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1004 wrote to memory of 4916	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1004 wrote to memory of 4916	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1004 wrote to memory of 4916	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1004 wrote to memory of 4916	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1004 wrote to memory of 4916	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1004 wrote to memory of 4916	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1004 wrote to memory of 4916	1004	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 1004 wrote to memory of 4916	1004	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:1004

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:808

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:5016

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\foIcbEsQbkbkPw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp40AE.tmp"
2⤵
- Creates scheduled task(s)
PID:3848

C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
"C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:4916

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
db01a2c1c7e70b2b038edf8ad5ad9826

SHA1
540217c647a73bad8d8a79e3a0f3998b5abd199b

SHA256
413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d

SHA512
c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
99d3b213712b8f77842861d898883ab2

SHA1
37405f11a4e2577335dbada6ee9fa52a1ed94eb5

SHA256
461bcd31b3b6a9a3682dd4850f878b1d533e658874513cbf3274e061eba477f7

SHA512
a9c5190784945d28e64cec1ed9bdf45e27309d16a555a18951a2841298c3e6b37428b2e600ac9f8df680dda438166806f2792774ffef4ff2ea9a7c7f3b1bc369

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4wqs35m2.lik.ps1
Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp40AE.tmp
Filesize
1KB

MD5
422a75b27c2546336baf99eb83e34b0b

SHA1
62142db71d9e7d8bcaa6e9e17d5902bc7815ffd6

SHA256
27f97d7368203454b2aa7454c3553d669e2a4f82b91b326fd703e6fd32cb2eca

SHA512
5e5cad153953756a7c6596282ee23af2f144e8f6260f00b1eaa67f07c0bf76b2a01ce8c446910a95808e22759950b3949089af1a39183da2a26a8c676c1d27f2

Download Submit
memory/808-35-0x0000000007BF0000-0x0000000007C56000-memory.dmp

Filesize
408KB

Download
memory/808-27-0x0000000006E30000-0x0000000006E40000-memory.dmp

Filesize
64KB

Download
memory/808-46-0x00000000084C0000-0x0000000008536000-memory.dmp

Filesize
472KB

Download
memory/808-79-0x000000007F7A0000-0x000000007F7B0000-memory.dmp

Filesize
64KB

Download
memory/808-80-0x00000000095A0000-0x00000000095D3000-memory.dmp

Filesize
204KB

Download
memory/808-44-0x00000000086C0000-0x000000000870B000-memory.dmp

Filesize
300KB

Download
memory/808-82-0x0000000070C20000-0x0000000070C6B000-memory.dmp

Filesize
300KB

Download
memory/808-84-0x0000000009560000-0x000000000957E000-memory.dmp

Filesize
120KB

Download
memory/808-18-0x0000000006D20000-0x0000000006D56000-memory.dmp

Filesize
216KB

Download
memory/808-19-0x0000000073CA0000-0x000000007438E000-memory.dmp

Filesize
6.9MB

Download
memory/808-39-0x0000000007E40000-0x0000000008190000-memory.dmp

Filesize
3.3MB

Download
memory/808-23-0x0000000007470000-0x0000000007A98000-memory.dmp

Filesize
6.2MB

Download
memory/808-526-0x0000000073CA0000-0x000000007438E000-memory.dmp

Filesize
6.9MB

Download
memory/808-95-0x0000000006E30000-0x0000000006E40000-memory.dmp

Filesize
64KB

Download
memory/808-524-0x0000000073CA0000-0x000000007438E000-memory.dmp

Filesize
6.9MB

Download
memory/808-482-0x0000000008260000-0x000000000827A000-memory.dmp

Filesize
104KB

Download
memory/808-25-0x0000000006E30000-0x0000000006E40000-memory.dmp

Filesize
64KB

Download
memory/808-30-0x0000000007400000-0x0000000007422000-memory.dmp

Filesize
136KB

Download
memory/1004-4-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/1004-2-0x0000000005760000-0x0000000005C5E000-memory.dmp

Filesize
5.0MB

Download
memory/1004-1-0x0000000073CA0000-0x000000007438E000-memory.dmp

Filesize
6.9MB

Download
memory/1004-37-0x0000000073CA0000-0x000000007438E000-memory.dmp

Filesize
6.9MB

Download
memory/1004-5-0x0000000005210000-0x000000000521A000-memory.dmp

Filesize
40KB

Download
memory/1004-0-0x0000000000900000-0x0000000000994000-memory.dmp

Filesize
592KB

Download
memory/1004-3-0x0000000005260000-0x00000000052F2000-memory.dmp

Filesize
584KB

Download
memory/1004-11-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/1004-10-0x0000000073CA0000-0x000000007438E000-memory.dmp

Filesize
6.9MB

Download
memory/1004-9-0x0000000006A20000-0x0000000006A7E000-memory.dmp

Filesize
376KB

Download
memory/1004-8-0x0000000005470000-0x000000000547C000-memory.dmp

Filesize
48KB

Download
memory/1004-7-0x0000000005400000-0x0000000005412000-memory.dmp

Filesize
72KB

Download
memory/1004-6-0x00000000054C0000-0x000000000555C000-memory.dmp

Filesize
624KB

Download
memory/4916-545-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-541-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-539-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-538-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-537-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-536-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-531-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-535-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-36-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-534-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-33-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-514-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-29-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-521-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-547-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-548-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-533-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-532-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-528-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-529-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4916-530-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5016-26-0x0000000002D90000-0x0000000002DA0000-memory.dmp

Filesize
64KB

Download
memory/5016-527-0x0000000073CA0000-0x000000007438E000-memory.dmp

Filesize
6.9MB

Download
memory/5016-525-0x0000000073CA0000-0x000000007438E000-memory.dmp

Filesize
6.9MB

Download
memory/5016-491-0x0000000006910000-0x0000000006918000-memory.dmp

Filesize
32KB

Download
memory/5016-96-0x00000000091C0000-0x0000000009254000-memory.dmp

Filesize
592KB

Download
memory/5016-94-0x0000000002D90000-0x0000000002DA0000-memory.dmp

Filesize
64KB

Download
memory/5016-93-0x0000000008DC0000-0x0000000008E65000-memory.dmp

Filesize
660KB

Download
memory/5016-83-0x0000000070C20000-0x0000000070C6B000-memory.dmp

Filesize
300KB

Download
memory/5016-81-0x000000007EA90000-0x000000007EAA0000-memory.dmp

Filesize
64KB

Download
memory/5016-42-0x0000000007540000-0x000000000755C000-memory.dmp

Filesize
112KB

Download
memory/5016-34-0x00000000073E0000-0x0000000007446000-memory.dmp

Filesize
408KB

Download
memory/5016-28-0x0000000002D90000-0x0000000002DA0000-memory.dmp

Filesize
64KB

Download
memory/5016-24-0x0000000073CA0000-0x000000007438E000-memory.dmp

Filesize
6.9MB

Download