remcos | db6861207c1cbd2f457e51774647b01c6f291773da5cb1a365b0c687ef9dad81

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-04-2024 10:31

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General

Target

ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
Size

1.3MB
MD5

ed365bcdc3a62967573dd36e8232c67d
SHA1

d388df12dae237a1b943ce705f2f9a6c2c227237
SHA256

db6861207c1cbd2f457e51774647b01c6f291773da5cb1a365b0c687ef9dad81
SHA512

c73a79e0091c716a82f777d6570723352df983f4f88de55c3c5f68e05c4e566f277c4114c91d2be22633e009919513ebd0451257c71389a0f27dc43399d6d5da
SSDEEP

24576:CShy76DOlfx8Dgyfx8Dg6J+wRYGrxtvuOEB8JU9feM/wDZuGL:ty76058Dgy58Dg6J+WYobPez9fUZv

Score

10^/10

remcos remotehost rat upx

Malware Config

Extracted

Family

remcos

Version

3.1.5 Light

Botnet

RemoteHost

91.243.44.5:5149

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
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
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-W0VXG0
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
notepad;solitaire;

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:

ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3308-12-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/3308-13-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/3308-15-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/3308-17-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/2480-22-0x0000000005450000-0x0000000005460000-memory.dmp	upx
behavioral2/memory/3308-20-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/3308-67-0x0000000000400000-0x0000000000476000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

Processes:

ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe

description	pid	process	target process
PID 4568 set thread context of 3308	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exepowershell.exe

pid	process
4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
2480	powershell.exe
2480	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4568 ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
Token: SeDebugPrivilege 2480 powershell.exe

description	pid	process
Token: SeDebugPrivilege	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
Token: SeDebugPrivilege	2480	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe

description	pid	process	target process
PID 4568 wrote to memory of 2480	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	powershell.exe
PID 4568 wrote to memory of 2480	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	powershell.exe
PID 4568 wrote to memory of 2480	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	powershell.exe
PID 4568 wrote to memory of 3236	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
PID 4568 wrote to memory of 3236	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
PID 4568 wrote to memory of 3236	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
PID 4568 wrote to memory of 3308	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
PID 4568 wrote to memory of 3308	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
PID 4568 wrote to memory of 3308	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
PID 4568 wrote to memory of 3308	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
PID 4568 wrote to memory of 3308	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
PID 4568 wrote to memory of 3308	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
PID 4568 wrote to memory of 3308	4568	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe	ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4568

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\ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2480

C:\Users\Admin\AppData\Local\Temp\ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe"
2⤵
PID:3236

C:\Users\Admin\AppData\Local\Temp\ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed365bcdc3a62967573dd36e8232c67d_JaffaCakes118.exe"
2⤵
PID:3308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zdxom4mm.nmb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2480-51-0x0000000006E80000-0x0000000006E9E000-memory.dmp

Filesize
120KB

Download
memory/2480-52-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/2480-24-0x00000000057B0000-0x00000000057D2000-memory.dmp

Filesize
136KB

Download
memory/2480-63-0x0000000007ED0000-0x0000000007ED8000-memory.dmp

Filesize
32KB

Download
memory/2480-62-0x0000000007EF0000-0x0000000007F0A000-memory.dmp

Filesize
104KB

Download
memory/2480-61-0x0000000007DF0000-0x0000000007E04000-memory.dmp

Filesize
80KB

Download
memory/2480-25-0x00000000059D0000-0x0000000005A36000-memory.dmp

Filesize
408KB

Download
memory/2480-59-0x0000000007DB0000-0x0000000007DC1000-memory.dmp

Filesize
68KB

Download
memory/2480-58-0x0000000007E30000-0x0000000007EC6000-memory.dmp

Filesize
600KB

Download
memory/2480-57-0x0000000007C20000-0x0000000007C2A000-memory.dmp

Filesize
40KB

Download
memory/2480-56-0x0000000007BC0000-0x0000000007BDA000-memory.dmp

Filesize
104KB

Download
memory/2480-55-0x0000000008240000-0x00000000088BA000-memory.dmp

Filesize
6.5MB

Download
memory/2480-53-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/2480-54-0x0000000007B10000-0x0000000007BB3000-memory.dmp

Filesize
652KB

Download
memory/2480-16-0x00000000052E0000-0x0000000005316000-memory.dmp

Filesize
216KB

Download
memory/2480-41-0x0000000070E70000-0x0000000070EBC000-memory.dmp

Filesize
304KB

Download
memory/2480-19-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/2480-40-0x0000000006E40000-0x0000000006E72000-memory.dmp

Filesize
200KB

Download
memory/2480-22-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/2480-21-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/2480-39-0x000000007F200000-0x000000007F210000-memory.dmp

Filesize
64KB

Download
memory/2480-23-0x0000000005A90000-0x00000000060B8000-memory.dmp

Filesize
6.2MB

Download
memory/2480-66-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/2480-60-0x0000000007DE0000-0x0000000007DEE000-memory.dmp

Filesize
56KB

Download
memory/2480-37-0x00000000068A0000-0x00000000068BE000-memory.dmp

Filesize
120KB

Download
memory/2480-38-0x00000000068C0000-0x000000000690C000-memory.dmp

Filesize
304KB

Download
memory/2480-36-0x00000000062E0000-0x0000000006634000-memory.dmp

Filesize
3.3MB

Download
memory/2480-26-0x0000000006270000-0x00000000062D6000-memory.dmp

Filesize
408KB

Download
memory/3308-67-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/3308-20-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/3308-17-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/3308-12-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/3308-15-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/3308-13-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/4568-4-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

Filesize
64KB

Download
memory/4568-11-0x0000000004ED0000-0x0000000004F08000-memory.dmp

Filesize
224KB

Download
memory/4568-0-0x0000000000040000-0x0000000000196000-memory.dmp

Filesize
1.3MB

Download
memory/4568-2-0x00000000051F0000-0x0000000005794000-memory.dmp

Filesize
5.6MB

Download
memory/4568-10-0x0000000008BE0000-0x0000000008C8A000-memory.dmp

Filesize
680KB

Download
memory/4568-9-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

Filesize
64KB

Download
memory/4568-8-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4568-7-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/4568-6-0x0000000004F30000-0x0000000004FCC000-memory.dmp

Filesize
624KB

Download
memory/4568-5-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

Filesize
40KB

Download
memory/4568-18-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4568-3-0x0000000004B30000-0x0000000004BC2000-memory.dmp

Filesize
584KB

Download
memory/4568-1-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download