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
1776s
max time network
1789s
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 612 set thread context of 1660	612	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

2748 schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exepowershell.exepowershell.exe

pid	process
612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
664	powershell.exe
4468	powershell.exe
612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4468	powershell.exe
664	powershell.exe
4468	powershell.exe
664	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
Token: SeDebugPrivilege	664	powershell.exe
Token: SeDebugPrivilege	4468	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

pid process

1660 c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

description	pid	process	target process
PID 612 wrote to memory of 4468	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 612 wrote to memory of 4468	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 612 wrote to memory of 4468	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 612 wrote to memory of 664	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 612 wrote to memory of 664	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 612 wrote to memory of 664	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 612 wrote to memory of 2748	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 612 wrote to memory of 2748	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 612 wrote to memory of 2748	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 612 wrote to memory of 1660	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 612 wrote to memory of 1660	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 612 wrote to memory of 1660	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 612 wrote to memory of 1660	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 612 wrote to memory of 1660	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 612 wrote to memory of 1660	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 612 wrote to memory of 1660	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 612 wrote to memory of 1660	612	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 612 wrote to memory of 1660	612	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:612

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:4468

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:664

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\foIcbEsQbkbkPw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEB3B.tmp"
2⤵
- Creates scheduled task(s)
PID:2748

C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
"C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1660

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
1c19c16e21c97ed42d5beabc93391fc5

SHA1
8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

SHA256
1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

SHA512
7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

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

MD5
e0f30c03c90711ed4458985fd43fba9e

SHA1
adacda6e8c6746d88ba5ebc974fcd0e4ff53ce4f

SHA256
710921ff0db608214dc1360ee221b4f70029fd3c26279882d414e99a21a9ea64

SHA512
c36f3ec3cf9f68aa8eab42fd71eeb54b7ae85deea339f0e79826243b27406860ba8926d8e6b3db553af46264001ddf19d97bde30ff44e61f718bf7109a4cc477

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fiis4fct.x2x.ps1
Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEB3B.tmp
Filesize
1KB

MD5
87e549dc37cc6ae03159d05669e4a67d

SHA1
5d968fd254c1b0c37754cc312f8bb59ccd22510a

SHA256
da5f884ab55ea4dc6826ccbbcc58dd9d7753e2dd019c61433667cd024f2d9707

SHA512
b6dae34d6b23c19a5d8efddefd145b4d254256d40768695fa6a6c4bd03ccdc04733767bf4aea5b97be03550bc805ac7036c79086169b00378af68df9c912d8df

Download Submit
memory/612-4-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/612-5-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

Filesize
40KB

Download
memory/612-6-0x0000000004FA0000-0x000000000503C000-memory.dmp

Filesize
624KB

Download
memory/612-7-0x0000000004F60000-0x0000000004F72000-memory.dmp

Filesize
72KB

Download
memory/612-8-0x0000000004F70000-0x0000000004F7C000-memory.dmp

Filesize
48KB

Download
memory/612-9-0x0000000006640000-0x000000000669E000-memory.dmp

Filesize
376KB

Download
memory/612-10-0x0000000073970000-0x000000007405E000-memory.dmp

Filesize
6.9MB

Download
memory/612-11-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/612-3-0x0000000004D40000-0x0000000004DD2000-memory.dmp

Filesize
584KB

Download
memory/612-2-0x00000000051A0000-0x000000000569E000-memory.dmp

Filesize
5.0MB

Download
memory/612-0-0x0000000000430000-0x00000000004C4000-memory.dmp

Filesize
592KB

Download
memory/612-1-0x0000000073970000-0x000000007405E000-memory.dmp

Filesize
6.9MB

Download
memory/612-36-0x0000000073970000-0x000000007405E000-memory.dmp

Filesize
6.9MB

Download
memory/664-80-0x000000007ED30000-0x000000007ED40000-memory.dmp

Filesize
64KB

Download
memory/664-478-0x00000000067F0000-0x000000000680A000-memory.dmp

Filesize
104KB

Download
memory/664-25-0x0000000000C20000-0x0000000000C30000-memory.dmp

Filesize
64KB

Download
memory/664-28-0x00000000069B0000-0x00000000069D2000-memory.dmp

Filesize
136KB

Download
memory/664-29-0x0000000006C50000-0x0000000006CB6000-memory.dmp

Filesize
408KB

Download
memory/664-23-0x0000000073970000-0x000000007405E000-memory.dmp

Filesize
6.9MB

Download
memory/664-519-0x0000000073970000-0x000000007405E000-memory.dmp

Filesize
6.9MB

Download
memory/664-22-0x0000000006D50000-0x0000000007378000-memory.dmp

Filesize
6.2MB

Download
memory/664-81-0x0000000008B20000-0x0000000008B3E000-memory.dmp

Filesize
120KB

Download
memory/664-24-0x0000000000C20000-0x0000000000C30000-memory.dmp

Filesize
64KB

Download
memory/664-91-0x0000000000C20000-0x0000000000C30000-memory.dmp

Filesize
64KB

Download
memory/664-79-0x00000000708F0000-0x000000007093B000-memory.dmp

Filesize
300KB

Download
memory/1660-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1660-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1660-37-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1660-33-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1660-521-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4468-76-0x0000000009260000-0x0000000009293000-memory.dmp

Filesize
204KB

Download
memory/4468-93-0x00000000097D0000-0x0000000009864000-memory.dmp

Filesize
592KB

Download
memory/4468-26-0x0000000006D70000-0x0000000006D80000-memory.dmp

Filesize
64KB

Download
memory/4468-20-0x0000000006BD0000-0x0000000006C06000-memory.dmp

Filesize
216KB

Download
memory/4468-43-0x0000000008400000-0x0000000008476000-memory.dmp

Filesize
472KB

Download
memory/4468-78-0x00000000708F0000-0x000000007093B000-memory.dmp

Filesize
300KB

Download
memory/4468-90-0x00000000093A0000-0x0000000009445000-memory.dmp

Filesize
660KB

Download
memory/4468-42-0x0000000008130000-0x000000000817B000-memory.dmp

Filesize
300KB

Download
memory/4468-92-0x0000000006D70000-0x0000000006D80000-memory.dmp

Filesize
64KB

Download
memory/4468-77-0x000000007E3F0000-0x000000007E400000-memory.dmp

Filesize
64KB

Download
memory/4468-41-0x0000000007AA0000-0x0000000007ABC000-memory.dmp

Filesize
112KB

Download
memory/4468-487-0x0000000006F50000-0x0000000006F58000-memory.dmp

Filesize
32KB

Download
memory/4468-21-0x0000000073970000-0x000000007405E000-memory.dmp

Filesize
6.9MB

Download
memory/4468-32-0x0000000007DE0000-0x0000000008130000-memory.dmp

Filesize
3.3MB

Download
memory/4468-27-0x0000000006D70000-0x0000000006D80000-memory.dmp

Filesize
64KB

Download
memory/4468-520-0x0000000073970000-0x000000007405E000-memory.dmp

Filesize
6.9MB

Download
memory/4468-31-0x0000000007B30000-0x0000000007B96000-memory.dmp

Filesize
408KB

Download