remcos | c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03-04-2024 14:07

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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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

description	pid	process	target process
PID 4220 set thread context of 3984	4220	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

3008 schtasks.exe

pid	process
3008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exepowershell.exepowershell.exe

pid	process
4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
2180	powershell.exe
2180	powershell.exe
4196	powershell.exe
4196	powershell.exe
4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
2180	powershell.exe
4196	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
Token: SeDebugPrivilege	4196	powershell.exe
Token: SeDebugPrivilege	2180	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

pid process

3984 c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

pid	process
3984	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

description	pid	process	target process
PID 4220 wrote to memory of 2180	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 4220 wrote to memory of 2180	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 4220 wrote to memory of 2180	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 4220 wrote to memory of 4196	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 4220 wrote to memory of 4196	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 4220 wrote to memory of 4196	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	powershell.exe
PID 4220 wrote to memory of 3008	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 4220 wrote to memory of 3008	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 4220 wrote to memory of 3008	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	schtasks.exe
PID 4220 wrote to memory of 3984	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4220 wrote to memory of 3984	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4220 wrote to memory of 3984	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4220 wrote to memory of 3984	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4220 wrote to memory of 3984	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4220 wrote to memory of 3984	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4220 wrote to memory of 3984	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4220 wrote to memory of 3984	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
PID 4220 wrote to memory of 3984	4220	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe	c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe

C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
"C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4220

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:2180

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:4196

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\foIcbEsQbkbkPw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA89F.tmp"
2⤵
- Creates scheduled task(s)
PID:3008

C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe
"C:\Users\Admin\AppData\Local\Temp\c3f09a0d0dacc5d6ab41cc028c18523cba4e1667f9688a21c4cafac980a19232.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:3984

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4172 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:1244

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

Query Registry

T1012

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
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wdxmmn0l.ywv.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA89F.tmp
Filesize
1KB

MD5
e092d6fce7cd1c66a7fff4cec1576f58

SHA1
03c6f6262850392f0f05d0ab30b378d9bb3dbf43

SHA256
17d5928db4f213eea2d62f0299335f642d10cb02ea7fab828010ff103d50f3dc

SHA512
44f3868fa4c9da1ac1cc2e30dfc91bda01b8b95f29d97d7bc92bce3aa62b930baec25517657e54266c43befc9bb80c737c810690f9c2c59df5307ce72532973e

Download Submit
memory/2180-85-0x0000000006030000-0x000000000604E000-memory.dmp

Filesize
120KB

Download
memory/2180-17-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/2180-94-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/2180-87-0x00000000073E0000-0x0000000007A5A000-memory.dmp

Filesize
6.5MB

Download
memory/2180-86-0x0000000006A70000-0x0000000006B13000-memory.dmp

Filesize
652KB

Download
memory/2180-63-0x000000007EE10000-0x000000007EE20000-memory.dmp

Filesize
64KB

Download
memory/2180-64-0x0000000006050000-0x0000000006082000-memory.dmp

Filesize
200KB

Download
memory/2180-25-0x0000000004B40000-0x0000000004BA6000-memory.dmp

Filesize
408KB

Download
memory/2180-71-0x0000000071150000-0x000000007119C000-memory.dmp

Filesize
304KB

Download
memory/2180-96-0x0000000006FE0000-0x0000000006FEE000-memory.dmp

Filesize
56KB

Download
memory/2180-15-0x0000000002150000-0x0000000002186000-memory.dmp

Filesize
216KB

Download
memory/2180-18-0x00000000045C0000-0x00000000045D0000-memory.dmp

Filesize
64KB

Download
memory/2180-19-0x00000000045C0000-0x00000000045D0000-memory.dmp

Filesize
64KB

Download
memory/2180-20-0x0000000004C00000-0x0000000005228000-memory.dmp

Filesize
6.2MB

Download
memory/2180-61-0x00000000045C0000-0x00000000045D0000-memory.dmp

Filesize
64KB

Download
memory/2180-57-0x0000000005AC0000-0x0000000005B0C000-memory.dmp

Filesize
304KB

Download
memory/2180-98-0x00000000070F0000-0x000000000710A000-memory.dmp

Filesize
104KB

Download
memory/2180-55-0x0000000005A90000-0x0000000005AAE000-memory.dmp

Filesize
120KB

Download
memory/2180-104-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/3984-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-91-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-26-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-30-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-114-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-106-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-107-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-90-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-108-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-109-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-110-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-111-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-113-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3984-112-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4196-89-0x00000000073A0000-0x00000000073AA000-memory.dmp

Filesize
40KB

Download
memory/4196-22-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

Filesize
64KB

Download
memory/4196-62-0x000000007F290000-0x000000007F2A0000-memory.dmp

Filesize
64KB

Download
memory/4196-60-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

Filesize
64KB

Download
memory/4196-28-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/4196-88-0x0000000007310000-0x000000000732A000-memory.dmp

Filesize
104KB

Download
memory/4196-21-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4196-99-0x0000000007650000-0x0000000007658000-memory.dmp

Filesize
32KB

Download
memory/4196-65-0x0000000071150000-0x000000007119C000-memory.dmp

Filesize
304KB

Download
memory/4196-92-0x0000000007590000-0x0000000007626000-memory.dmp

Filesize
600KB

Download
memory/4196-93-0x0000000007530000-0x0000000007541000-memory.dmp

Filesize
68KB

Download
memory/4196-24-0x0000000004F20000-0x0000000004F42000-memory.dmp

Filesize
136KB

Download
memory/4196-43-0x0000000005970000-0x0000000005CC4000-memory.dmp

Filesize
3.3MB

Download
memory/4196-97-0x0000000007570000-0x0000000007584000-memory.dmp

Filesize
80KB

Download
memory/4196-105-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4220-0-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4220-2-0x0000000005720000-0x0000000005CC4000-memory.dmp

Filesize
5.6MB

Download
memory/4220-1-0x0000000000630000-0x00000000006C4000-memory.dmp

Filesize
592KB

Download
memory/4220-3-0x00000000050C0000-0x0000000005152000-memory.dmp

Filesize
584KB

Download
memory/4220-4-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/4220-5-0x0000000005190000-0x000000000519A000-memory.dmp

Filesize
40KB

Download
memory/4220-6-0x00000000053B0000-0x000000000544C000-memory.dmp

Filesize
624KB

Download
memory/4220-7-0x00000000051C0000-0x00000000051D2000-memory.dmp

Filesize
72KB

Download
memory/4220-8-0x0000000005390000-0x000000000539C000-memory.dmp

Filesize
48KB

Download
memory/4220-9-0x0000000006A50000-0x0000000006AAE000-memory.dmp

Filesize
376KB

Download
memory/4220-10-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4220-11-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/4220-41-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download