remcos | 2f7713ce0b410ed8219c81d07ad4040f0d3f1adc51e11deab38228465ee286de

Analysis

max time kernel
148s
max time network
132s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-09-2024 07:11

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General

Target

e8951f0b49eee256fdcb275a30d1a6c7_JaffaCakes118.exe
Size

229KB
MD5

e8951f0b49eee256fdcb275a30d1a6c7
SHA1

ecd7f7876661260590cc8a25865956a4efac6190
SHA256

2f7713ce0b410ed8219c81d07ad4040f0d3f1adc51e11deab38228465ee286de
SHA512

748258cc90792b254be9c1a9313a23ec3383300a750e8c25492d848c302eb05dc90aa6ba40fdfcdf1541caea5c7f8d8d66dd71ccdfb94eb05a1c030f867cc1f0
SSDEEP

3072:uWp+PekE+cqyB5vkEcMTm3LvuPso6ZJe/dLdkgXmKMl8+FPGVJXZsjEgYzFcFe:Xp+bp+EiPsoueLTXQ8dslY

Score

10^/10

remcos host discovery rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

pmanz.sytes.net:444

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_ffrcbsjpmc
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 2768	2252	installutil.exe	34

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	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8951f0b49eee256fdcb275a30d1a6c7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2904	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe
2252	installutil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	installutil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2768	installutil.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2252	2220	e8951f0b49eee256fdcb275a30d1a6c7_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2252	2220	e8951f0b49eee256fdcb275a30d1a6c7_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2252	2220	e8951f0b49eee256fdcb275a30d1a6c7_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2252	2220	e8951f0b49eee256fdcb275a30d1a6c7_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2252	2220	e8951f0b49eee256fdcb275a30d1a6c7_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2252	2220	e8951f0b49eee256fdcb275a30d1a6c7_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2252	2220	e8951f0b49eee256fdcb275a30d1a6c7_JaffaCakes118.exe	30
PID 2252 wrote to memory of 2904	2252	installutil.exe	32
PID 2252 wrote to memory of 2904	2252	installutil.exe	32
PID 2252 wrote to memory of 2904	2252	installutil.exe	32
PID 2252 wrote to memory of 2904	2252	installutil.exe	32
PID 2252 wrote to memory of 2768	2252	installutil.exe	34
PID 2252 wrote to memory of 2768	2252	installutil.exe	34
PID 2252 wrote to memory of 2768	2252	installutil.exe	34
PID 2252 wrote to memory of 2768	2252	installutil.exe	34
PID 2252 wrote to memory of 2768	2252	installutil.exe	34
PID 2252 wrote to memory of 2768	2252	installutil.exe	34
PID 2252 wrote to memory of 2768	2252	installutil.exe	34
PID 2252 wrote to memory of 2768	2252	installutil.exe	34
PID 2252 wrote to memory of 2768	2252	installutil.exe	34
PID 2252 wrote to memory of 2768	2252	installutil.exe	34
PID 2252 wrote to memory of 2768	2252	installutil.exe	34
PID 2252 wrote to memory of 2768	2252	installutil.exe	34
PID 2252 wrote to memory of 2768	2252	installutil.exe	34

C:\Users\Admin\AppData\Local\Temp\e8951f0b49eee256fdcb275a30d1a6c7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e8951f0b49eee256fdcb275a30d1a6c7_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\e8951f0b49eee256fdcb275a30d1a6c7_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HPtuxkLK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA515.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2904
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe
    "{path}"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\tmpA515.tmp

Filesize
1KB

MD5
6a980d75b5264ae52485745b6761d370

SHA1
8058ee6d014b3c39664bcdc5c2d333cc85cba233

SHA256
7dd0da057e8790960f78cdd56f32daaebe00ea3f3a4e48892768cfc78da337db

SHA512
fbb335ad028f3deba497c386a56b26ec4565cc3df0def7f9e6ea6c9cd32cf195ede09f9faaa1e2e3fe5336185fdcbd048fdd66af50aa9d83b9963329a6c37d00

Download Submit
memory/2220-0-0x0000000074501000-0x0000000074502000-memory.dmp

Filesize
4KB

Download
memory/2220-1-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2220-2-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2220-3-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2252-4-0x0000000073F51000-0x0000000073F52000-memory.dmp

Filesize
4KB

Download
memory/2252-5-0x0000000073F50000-0x00000000744FB000-memory.dmp

Filesize
5.7MB

Download
memory/2252-6-0x0000000073F50000-0x00000000744FB000-memory.dmp

Filesize
5.7MB

Download
memory/2252-32-0x0000000073F50000-0x00000000744FB000-memory.dmp

Filesize
5.7MB

Download
memory/2252-31-0x0000000073F50000-0x00000000744FB000-memory.dmp

Filesize
5.7MB

Download
memory/2768-24-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-20-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-14-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-26-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-30-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-27-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-18-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-16-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-34-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download