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
1218s
max time network
1229s
platform
windows10-1703_x64
resource
win10-20240319-en
resource tags

arch:x64arch:x86image:win10-20240319-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 4352 set thread context of 2828	4352	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

2996 schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exepowershell.exepowershell.exe

pid	process
4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
3728	powershell.exe
4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
1948	powershell.exe
1948	powershell.exe
3728	powershell.exe
1948	powershell.exe
3728	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
Token: SeDebugPrivilege	1948	powershell.exe
Token: SeDebugPrivilege	3728	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

pid process

2828 c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

description	pid	process	target process
PID 4352 wrote to memory of 1948	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 4352 wrote to memory of 1948	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 4352 wrote to memory of 1948	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 4352 wrote to memory of 3728	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 4352 wrote to memory of 3728	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 4352 wrote to memory of 3728	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 4352 wrote to memory of 2996	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 4352 wrote to memory of 2996	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 4352 wrote to memory of 2996	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 4352 wrote to memory of 2828	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4352 wrote to memory of 2828	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4352 wrote to memory of 2828	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4352 wrote to memory of 2828	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4352 wrote to memory of 2828	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4352 wrote to memory of 2828	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4352 wrote to memory of 2828	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4352 wrote to memory of 2828	4352	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4352 wrote to memory of 2828	4352	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:4352

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:1948

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:3728

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\foIcbEsQbkbkPw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp72D9.tmp"
2⤵
- Creates scheduled task(s)
PID:2996

C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
"C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:2828

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
db01a2c1c7e70b2b038edf8ad5ad9826

SHA1
540217c647a73bad8d8a79e3a0f3998b5abd199b

SHA256
413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d

SHA512
c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6

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

MD5
f327f85adb0278a14c3bdec6141d04f0

SHA1
bc41052b8a243759099ab0cbf50001d295edaef5

SHA256
e1be16882ef3abac6fa541ca36cbaddbdcd24f7b1707198a4385f17ea736d9ff

SHA512
205f553d700ab0ba4abee8440cdc52408f4d223fb4123a3122b3bd09867e63edbec45ade15ecbaaba26be947ad9a478afb7a6bf3dcc8a853a82592a3013250c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eanvr5m2.vyn.ps1
Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp72D9.tmp
Filesize
1KB

MD5
3dc22948e1652b353cf134b0707a44ca

SHA1
79e78025e5447fe28eed904beb1f5729473f081f

SHA256
725a1ea724a789b2bb1da544d2e2f418f577366ec9ca50a32d632329fa52fcc5

SHA512
8663119bfc08a5ae682e302474be098d0a1ae55ff27fe8e5022576017a82432614571f42e8cd57af2cdc7577a69994a5e17174a70b0d4b25dc3852dba339d727

Download Submit
memory/1948-90-0x0000000006630000-0x0000000006640000-memory.dmp

Filesize
64KB

Download
memory/1948-92-0x0000000008FD0000-0x0000000009064000-memory.dmp

Filesize
592KB

Download
memory/1948-521-0x0000000073230000-0x000000007391E000-memory.dmp

Filesize
6.9MB

Download
memory/1948-519-0x0000000006630000-0x0000000006640000-memory.dmp

Filesize
64KB

Download
memory/1948-505-0x0000000073230000-0x000000007391E000-memory.dmp

Filesize
6.9MB

Download
memory/1948-488-0x0000000007E50000-0x0000000007E58000-memory.dmp

Filesize
32KB

Download
memory/1948-89-0x0000000008C00000-0x0000000008CA5000-memory.dmp

Filesize
660KB

Download
memory/1948-80-0x0000000008AA0000-0x0000000008ABE000-memory.dmp

Filesize
120KB

Download
memory/1948-20-0x0000000000C60000-0x0000000000C96000-memory.dmp

Filesize
216KB

Download
memory/1948-21-0x0000000073230000-0x000000007391E000-memory.dmp

Filesize
6.9MB

Download
memory/1948-79-0x00000000701B0000-0x00000000701FB000-memory.dmp

Filesize
300KB

Download
memory/1948-42-0x0000000007C40000-0x0000000007CB6000-memory.dmp

Filesize
472KB

Download
memory/1948-24-0x0000000006630000-0x0000000006640000-memory.dmp

Filesize
64KB

Download
memory/1948-25-0x0000000006C70000-0x0000000007298000-memory.dmp

Filesize
6.2MB

Download
memory/1948-76-0x0000000008AC0000-0x0000000008AF3000-memory.dmp

Filesize
204KB

Download
memory/1948-77-0x000000007F2B0000-0x000000007F2C0000-memory.dmp

Filesize
64KB

Download
memory/1948-29-0x0000000006950000-0x0000000006972000-memory.dmp

Filesize
136KB

Download
memory/2828-30-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2828-523-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2828-27-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2828-35-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2828-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3728-378-0x0000000073230000-0x000000007391E000-memory.dmp

Filesize
6.9MB

Download
memory/3728-41-0x00000000085C0000-0x000000000860B000-memory.dmp

Filesize
300KB

Download
memory/3728-40-0x0000000008110000-0x000000000812C000-memory.dmp

Filesize
112KB

Download
memory/3728-78-0x00000000701B0000-0x00000000701FB000-memory.dmp

Filesize
300KB

Download
memory/3728-31-0x0000000007F40000-0x0000000007FA6000-memory.dmp

Filesize
408KB

Download
memory/3728-75-0x000000007EF70000-0x000000007EF80000-memory.dmp

Filesize
64KB

Download
memory/3728-522-0x0000000073230000-0x000000007391E000-memory.dmp

Filesize
6.9MB

Download
memory/3728-34-0x0000000007FB0000-0x0000000008016000-memory.dmp

Filesize
408KB

Download
memory/3728-516-0x0000000004F20000-0x0000000004F30000-memory.dmp

Filesize
64KB

Download
memory/3728-22-0x0000000073230000-0x000000007391E000-memory.dmp

Filesize
6.9MB

Download
memory/3728-479-0x0000000009620000-0x000000000963A000-memory.dmp

Filesize
104KB

Download
memory/3728-39-0x0000000008230000-0x0000000008580000-memory.dmp

Filesize
3.3MB

Download
memory/3728-91-0x0000000004F20000-0x0000000004F30000-memory.dmp

Filesize
64KB

Download
memory/3728-23-0x0000000004F20000-0x0000000004F30000-memory.dmp

Filesize
64KB

Download
memory/4352-10-0x0000000073230000-0x000000007391E000-memory.dmp

Filesize
6.9MB

Download
memory/4352-5-0x0000000005980000-0x000000000598A000-memory.dmp

Filesize
40KB

Download
memory/4352-0-0x0000000000FC0000-0x0000000001054000-memory.dmp

Filesize
592KB

Download
memory/4352-36-0x0000000073230000-0x000000007391E000-memory.dmp

Filesize
6.9MB

Download
memory/4352-9-0x00000000071F0000-0x000000000724E000-memory.dmp

Filesize
376KB

Download
memory/4352-8-0x0000000005A50000-0x0000000005A5C000-memory.dmp

Filesize
48KB

Download
memory/4352-2-0x0000000005DB0000-0x00000000062AE000-memory.dmp

Filesize
5.0MB

Download
memory/4352-1-0x0000000073230000-0x000000007391E000-memory.dmp

Filesize
6.9MB

Download
memory/4352-4-0x0000000005A70000-0x0000000005A80000-memory.dmp

Filesize
64KB

Download
memory/4352-7-0x0000000005A40000-0x0000000005A52000-memory.dmp

Filesize
72KB

Download
memory/4352-6-0x0000000005BE0000-0x0000000005C7C000-memory.dmp

Filesize
624KB

Download
memory/4352-3-0x00000000058B0000-0x0000000005942000-memory.dmp

Filesize
584KB

Download
memory/4352-11-0x0000000005A70000-0x0000000005A80000-memory.dmp

Filesize
64KB

Download