remcos | eef39efb8d95389b021725e983e1778feed9d86f026352f4a3d7effb3f9ddab9

General

Target

ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
Size

334KB
MD5

ecfc06aeffa7b94f8f41b4ace8f7bcd1
SHA1

a3e7907df35529e600ef5ee66af3788b10769d95
SHA256

eef39efb8d95389b021725e983e1778feed9d86f026352f4a3d7effb3f9ddab9
SHA512

eaaa53f3d660218073f1c090c33bb9794477576aa469c42855acec61aea8c27163e44be31dbef957ab689bd2306481d3a19c66aafc4e5553f8546024ee3c688b
SSDEEP

3072:6zQgBOSOm06uNDTnFIcqvPwl+n0lLPjpymmQfRZ8XVMHluaqLIQHRhxsllD7g5ZM:6hduBTnFoYl+0ZPjpyb+Ya3gmyx

Score

10^/10

remcos host rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

212.83.46.23:3110

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
remcos
keylog_path
%AppData%
mouse_option
false
mutex
remcos_sfofkbucbh
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:

ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

description	pid	process	target process
PID 4784 set thread context of 824	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.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

1424 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

pid process

4784 ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 4784 ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

pid	process
1424	schtasks.exe

pid	process
4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

description	pid	process	target process
PID 4784 wrote to memory of 1424	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	schtasks.exe
PID 4784 wrote to memory of 1424	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	schtasks.exe
PID 4784 wrote to memory of 1424	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	schtasks.exe
PID 4784 wrote to memory of 824	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 4784 wrote to memory of 824	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 4784 wrote to memory of 824	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 4784 wrote to memory of 824	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 4784 wrote to memory of 824	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 4784 wrote to memory of 824	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 4784 wrote to memory of 824	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 4784 wrote to memory of 824	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 4784 wrote to memory of 824	4784	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4784

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fbgRPALWLbAhN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp31CE.tmp"
2⤵
- Creates scheduled task(s)
PID:1424

C:\Users\Admin\AppData\Local\Temp\ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
"{path}"
2⤵
PID:824

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp31CE.tmp
Filesize
1KB

MD5
0ccbdefb48cbbb496d52b5ff912304ed

SHA1
aa28fee89687feeee651a3dd97c7723122166bec

SHA256
f34b7b83e415940938cca34886de22678f9ab1459dc88257a3b1f76c2ef54eda

SHA512
984ed8af9c5b19e72043deeff9022b0bd1137afd65392852c1bc5e60f8656d31024bd61fca5ba833234e1ad16855a45e11c0faf09e0d9dd52c2f7083a9b12001

Download Submit
memory/824-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/824-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/824-13-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/824-14-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4784-0-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/4784-1-0x0000000000B70000-0x0000000000B80000-memory.dmp

Filesize
64KB

Download
memory/4784-2-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/4784-12-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads