remcos | 2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65 | Triage

Resubmissions

09-04-2024 14:18

240409-rmbsbahc53 10

09-04-2024 14:18

240409-rma6sahc52 10

09-04-2024 14:17

240409-rlr3xahc38 10

09-04-2024 14:17

240409-rlrgdacf2x 10

06-04-2024 01:09

240406-bhsl9sgc2t 10

Analysis

max time kernel
1195s
max time network
1179s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
09-04-2024 14:18

Sharing

Report Analysis Logs

General

Target

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
Size

548KB
MD5

10a4cb3233c444bcf6211100ab9bad9a
SHA1

2f4a679479fdff9d22226676d7a7eacab84311eb
SHA256

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65
SHA512

0c847f9723d1e65a03d0e129555160a7730e3ab4625d488540dd82dc968b354e31ab042dd820da6b61662af62d0687696e458440ab66b940e3fa168c09af9303
SSDEEP

12288:FUH8UsiMHGMZY/QZsg4rvpvK9+uH2OG/4RY+ajkrSyxPln+07bSsEAmD:yH8XvHFA6sgyvxK4uHBLRPaArSuPl19

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:

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe

description	pid	process	target process
PID 4920 set thread context of 1312	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.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

1368 schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exepowershell.exepowershell.exe

pid	process
4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
2936	powershell.exe
2764	powershell.exe
4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
2936	powershell.exe
2764	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
Token: SeDebugPrivilege	2764	powershell.exe
Token: SeDebugPrivilege	2936	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe

pid process

1312 2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe

description	pid	process	target process
PID 4920 wrote to memory of 2764	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	powershell.exe
PID 4920 wrote to memory of 2764	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	powershell.exe
PID 4920 wrote to memory of 2764	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	powershell.exe
PID 4920 wrote to memory of 2936	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	powershell.exe
PID 4920 wrote to memory of 2936	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	powershell.exe
PID 4920 wrote to memory of 2936	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	powershell.exe
PID 4920 wrote to memory of 1368	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	schtasks.exe
PID 4920 wrote to memory of 1368	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	schtasks.exe
PID 4920 wrote to memory of 1368	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	schtasks.exe
PID 4920 wrote to memory of 1312	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 4920 wrote to memory of 1312	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 4920 wrote to memory of 1312	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 4920 wrote to memory of 1312	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 4920 wrote to memory of 1312	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 4920 wrote to memory of 1312	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 4920 wrote to memory of 1312	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 4920 wrote to memory of 1312	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 4920 wrote to memory of 1312	4920	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe

C:\Users\Admin\AppData\Local\Temp\2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
"C:\Users\Admin\AppData\Local\Temp\2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4920

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\2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2764

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oFkpbhjTJbn.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2936

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oFkpbhjTJbn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC786.tmp"
2⤵
- Creates scheduled task(s)
PID:1368

C:\Users\Admin\AppData\Local\Temp\2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
"C:\Users\Admin\AppData\Local\Temp\2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1312

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

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Downloads

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

MD5
d0c46cad6c0778401e21910bd6b56b70

SHA1
7be418951ea96326aca445b8dfe449b2bfa0dca6

SHA256
9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

SHA512
057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

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

MD5
e522874d136a587141008e4a3c55b38d

SHA1
e9d385ade6d9a21dd84f07a66cd76e51eac9eaa1

SHA256
12cf845b05789050f017f58fc0f3e051fe1a46e2cf7a1084dc6c7a1cdb07f7e2

SHA512
4e55248a705a1e590596bfb0283b2f7fd7a203f8509ad255c931bd40b4952c811abd98585e5dfde0997ab6678504aaf024d13c243765abe2cfe81173aec58f36

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0dqwlids.sdz.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC786.tmp
Filesize
1KB

MD5
70624039a31297d15f1d730d353079a1

SHA1
55969ce7fcd67372779fcc7ef37f02a35900e75c

SHA256
2df0078fb61720fdb0c1c8d9079345379a864a12f68eac66865e9b0104ea891f

SHA512
ac77bcd65ccefe3960941d54f36a4acc71219b142e730629ae5cbc5960c5b5742a871f09ba74a50266cc0681208a43a110e76daa9a0c98f0c0179c4f981432e1

Download Submit
memory/1312-96-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1312-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1312-53-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1312-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1312-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2764-17-0x0000000074BC0000-0x0000000075371000-memory.dmp

Filesize
7.7MB

Download
memory/2764-27-0x0000000004C20000-0x0000000004C86000-memory.dmp

Filesize
408KB

Download
memory/2764-93-0x0000000074BC0000-0x0000000075371000-memory.dmp

Filesize
7.7MB

Download
memory/2764-16-0x00000000021A0000-0x00000000021D6000-memory.dmp

Filesize
216KB

Download
memory/2764-87-0x0000000007040000-0x0000000007048000-memory.dmp

Filesize
32KB

Download
memory/2764-18-0x0000000002270000-0x0000000002280000-memory.dmp

Filesize
64KB

Download
memory/2764-20-0x0000000004E70000-0x000000000549A000-memory.dmp

Filesize
6.2MB

Download
memory/2764-19-0x0000000002270000-0x0000000002280000-memory.dmp

Filesize
64KB

Download
memory/2764-82-0x0000000006F90000-0x0000000007026000-memory.dmp

Filesize
600KB

Download
memory/2764-80-0x0000000006D00000-0x0000000006D1A000-memory.dmp

Filesize
104KB

Download
memory/2764-70-0x0000000070F10000-0x0000000070F5C000-memory.dmp

Filesize
304KB

Download
memory/2764-24-0x0000000004B10000-0x0000000004B32000-memory.dmp

Filesize
136KB

Download
memory/2764-28-0x00000000054B0000-0x0000000005807000-memory.dmp

Filesize
3.3MB

Download
memory/2936-55-0x00000000064C0000-0x000000000650C000-memory.dmp

Filesize
304KB

Download
memory/2936-83-0x0000000007990000-0x00000000079A1000-memory.dmp

Filesize
68KB

Download
memory/2936-94-0x0000000074BC0000-0x0000000075371000-memory.dmp

Filesize
7.7MB

Download
memory/2936-86-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

Filesize
104KB

Download
memory/2936-85-0x00000000079D0000-0x00000000079E5000-memory.dmp

Filesize
84KB

Download
memory/2936-84-0x00000000079C0000-0x00000000079CE000-memory.dmp

Filesize
56KB

Download
memory/2936-26-0x0000000005E90000-0x0000000005EF6000-memory.dmp

Filesize
408KB

Download
memory/2936-21-0x0000000074BC0000-0x0000000075371000-memory.dmp

Filesize
7.7MB

Download
memory/2936-81-0x0000000007800000-0x000000000780A000-memory.dmp

Filesize
40KB

Download
memory/2936-54-0x0000000006430000-0x000000000644E000-memory.dmp

Filesize
120KB

Download
memory/2936-22-0x0000000002E20000-0x0000000002E30000-memory.dmp

Filesize
64KB

Download
memory/2936-56-0x0000000006A00000-0x0000000006A34000-memory.dmp

Filesize
208KB

Download
memory/2936-58-0x0000000070F10000-0x0000000070F5C000-memory.dmp

Filesize
304KB

Download
memory/2936-57-0x000000007F360000-0x000000007F370000-memory.dmp

Filesize
64KB

Download
memory/2936-67-0x00000000073F0000-0x000000000740E000-memory.dmp

Filesize
120KB

Download
memory/2936-68-0x0000000002E20000-0x0000000002E30000-memory.dmp

Filesize
64KB

Download
memory/2936-69-0x0000000007420000-0x00000000074C4000-memory.dmp

Filesize
656KB

Download
memory/2936-23-0x0000000002E20000-0x0000000002E30000-memory.dmp

Filesize
64KB

Download
memory/2936-79-0x0000000007DC0000-0x000000000843A000-memory.dmp

Filesize
6.5MB

Download
memory/4920-8-0x0000000008050000-0x00000000080B0000-memory.dmp

Filesize
384KB

Download
memory/4920-4-0x00000000056D0000-0x00000000056E0000-memory.dmp

Filesize
64KB

Download
memory/4920-5-0x00000000054D0000-0x00000000054DA000-memory.dmp

Filesize
40KB

Download
memory/4920-50-0x0000000074BC0000-0x0000000075371000-memory.dmp

Filesize
7.7MB

Download
memory/4920-6-0x0000000005850000-0x0000000005860000-memory.dmp

Filesize
64KB

Download
memory/4920-7-0x00000000060B0000-0x00000000060BC000-memory.dmp

Filesize
48KB

Download
memory/4920-10-0x0000000074BC0000-0x0000000075371000-memory.dmp

Filesize
7.7MB

Download
memory/4920-0-0x0000000000990000-0x0000000000A1E000-memory.dmp

Filesize
568KB

Download
memory/4920-9-0x000000000A790000-0x000000000A82C000-memory.dmp

Filesize
624KB

Download
memory/4920-11-0x00000000056D0000-0x00000000056E0000-memory.dmp

Filesize
64KB

Download
memory/4920-3-0x00000000054E0000-0x0000000005572000-memory.dmp

Filesize
584KB

Download
memory/4920-2-0x00000000059F0000-0x0000000005F96000-memory.dmp

Filesize
5.6MB

Download
memory/4920-1-0x0000000074BC0000-0x0000000075371000-memory.dmp

Filesize
7.7MB

Download