remcos | 6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63

General

Target

6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe
Size

927KB
MD5

e132f4cc1c00143d6ac3c286633f98b4
SHA1

5a9b94e55ed75f01b1b0c09027a4bd16cf40daff
SHA256

6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63
SHA512

de76b359a535deae1d18f438b97fa8d53cbc13d6db7e7b22709707a7767dad0859139957f4b6733a4c195a04eceb920ae425f24cdb09ce097ba920467a43dc32
SSDEEP

12288:vp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3AE:vpugRNJI1D39dlfGQrFUxwAeAE

Score

10^/10

remcos host discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

213.183.58.19:4000

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
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
read.dat
keylog_flag
false
keylog_folder
CastC
keylog_path
%AppData%
mouse_option
false
mutex
remcos_sccafsoidz
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
Remcos family
remcos

Executes dropped EXE 2 IoCs

pid	Process
2876	sbietrcl.exe
428	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2760	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 428	2876	sbietrcl.exe	31

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2760	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe
2760	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe
2760	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe
2760	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe
2760	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe
2760	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe
2876	sbietrcl.exe
2876	sbietrcl.exe
2876	sbietrcl.exe
2876	sbietrcl.exe
2876	sbietrcl.exe
2876	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe
Token: SeDebugPrivilege	2876	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2876	2760	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe	30
PID 2760 wrote to memory of 2876	2760	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe	30
PID 2760 wrote to memory of 2876	2760	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe	30
PID 2760 wrote to memory of 2876	2760	6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe	30
PID 2876 wrote to memory of 428	2876	sbietrcl.exe	31
PID 2876 wrote to memory of 428	2876	sbietrcl.exe	31
PID 2876 wrote to memory of 428	2876	sbietrcl.exe	31
PID 2876 wrote to memory of 428	2876	sbietrcl.exe	31
PID 2876 wrote to memory of 428	2876	sbietrcl.exe	31
PID 2876 wrote to memory of 428	2876	sbietrcl.exe	31
PID 2876 wrote to memory of 428	2876	sbietrcl.exe	31
PID 2876 wrote to memory of 428	2876	sbietrcl.exe	31
PID 2876 wrote to memory of 428	2876	sbietrcl.exe	31
PID 2876 wrote to memory of 428	2876	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe
"C:\Users\Admin\AppData\Local\Temp\6ab35959318ed1819169c9bbd1c523ebee0d2437a14af26a0f62c50605bbde63.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
    3⤵
    - Executes dropped EXE
    PID:428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
ef9787bbd9de461fcba4f6c13e1495ed

SHA1
01af4f28f7932012a1dad252d267ab691a2b11ac

SHA256
55aba8e2f064dfedc1045682261a1e012bf3fcb65bcfc39935665503f193be52

SHA512
da60d8072bb7b18643152fdeb7ddb90a5fb0a0bf18cd50b8daf68ee3036b376214fb1d6d9a24406afd0c73af5988f16703b7d7a0b0d378bab728a032eed30fba

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab7B29.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

Filesize
932KB

MD5
20de9a86bcff2e133600bc6606cb7982

SHA1
2bf5a63ed017a5cbbf051ae4a07bda532b43fbe9

SHA256
e4ae2c26282e44a103f248ba6913b3d83fcf5cb5a8576fdaeb698d3b02587801

SHA512
ac3d477d21f135a9505ea5184114c1938ea030d8c4e97f1ea68a8b5c080ab4bd1fdaac3df91bb50d491fe36c3f7424024a5c991e876b6f2ca872f6ac8495dc84

Download Submit
memory/428-49-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/428-46-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/428-50-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/428-45-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/428-48-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/428-47-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/428-54-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/2760-32-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-1-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-2-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-13-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-12-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-0-0x00000000746A1000-0x00000000746A2000-memory.dmp

Filesize
4KB

Download
memory/2760-25-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-33-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-44-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-43-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-34-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-57-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads