remcos | ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
30-09-2024 14:51

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General

Target

ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe
Size

885KB
MD5

44fa8131343f26aaf5303090d7bba260
SHA1

6ae8634d960f8e659ad166d4e1d95297ac114de3
SHA256

ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255
SHA512

90ba08e0cc3b8cc1f9dbe401e07110c667354a39dd52ffbaa7f2cbbea93bb99d783fb48bec60f759cafcc1e9d3b74d7d5db359c15dd48b4198608f6ee0e77a1d
SSDEEP

12288:0SX+8K/4lBlrzDUw8s9pVdsVSEy202NKu8SnTo/Yj40Eg1grROuYFRl115yzuwdL:0J4fZDUw8YpVds9mt0o/Y7gMVvTy

Score

10^/10

remcos remotehost discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

104.250.180.178:7902

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
Adobe.exe
copy_folder
Adobe
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
true
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Adobe-OTOIRK
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Executes dropped EXE 2 IoCs

pid	Process
2764	Adobe.exe
2596	Adobe.exe

Loads dropped DLL 1 IoCs

pid	Process
1832	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe-OTOIRK = "\"C:\\ProgramData\\Adobe\\Adobe.exe\""	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe-OTOIRK = "\"C:\\ProgramData\\Adobe\\Adobe.exe\""	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe-OTOIRK = "\"C:\\ProgramData\\Adobe\\Adobe.exe\""	Adobe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe-OTOIRK = "\"C:\\ProgramData\\Adobe\\Adobe.exe\""	Adobe.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3032 set thread context of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 2764 set thread context of 2596	2764	Adobe.exe	33

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 4 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	Adobe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Adobe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 3032 wrote to memory of 1832	3032	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	31
PID 1832 wrote to memory of 2764	1832	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	32
PID 1832 wrote to memory of 2764	1832	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	32
PID 1832 wrote to memory of 2764	1832	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	32
PID 1832 wrote to memory of 2764	1832	ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe	32
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33
PID 2764 wrote to memory of 2596	2764	Adobe.exe	33

C:\Users\Admin\AppData\Local\Temp\ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe
"C:\Users\Admin\AppData\Local\Temp\ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Users\Admin\AppData\Local\Temp\ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe
  "C:\Users\Admin\AppData\Local\Temp\ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255N.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1832
- - C:\ProgramData\Adobe\Adobe.exe
    "C:\ProgramData\Adobe\Adobe.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2764
  - - C:\ProgramData\Adobe\Adobe.exe
      "C:\ProgramData\Adobe\Adobe.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Adobe\Adobe.exe

Filesize
885KB

MD5
44fa8131343f26aaf5303090d7bba260

SHA1
6ae8634d960f8e659ad166d4e1d95297ac114de3

SHA256
ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255

SHA512
90ba08e0cc3b8cc1f9dbe401e07110c667354a39dd52ffbaa7f2cbbea93bb99d783fb48bec60f759cafcc1e9d3b74d7d5db359c15dd48b4198608f6ee0e77a1d

Download Submit
memory/1832-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1832-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1832-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1832-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1832-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1832-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1832-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1832-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1832-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1832-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1832-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1832-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1832-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2596-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2596-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2596-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2596-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2596-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2596-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2596-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2596-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2596-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2596-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2596-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2596-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2596-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2764-32-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/2764-31-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/2764-30-0x0000000000980000-0x0000000000A64000-memory.dmp

Filesize
912KB

Download
memory/3032-0-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/3032-1-0x00000000002A0000-0x0000000000384000-memory.dmp

Filesize
912KB

Download
memory/3032-6-0x0000000005170000-0x0000000005230000-memory.dmp

Filesize
768KB

Download
memory/3032-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/3032-3-0x0000000000390000-0x00000000003A0000-memory.dmp

Filesize
64KB

Download
memory/3032-4-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/3032-23-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/3032-5-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads