remcos | 645262b3ba493c730e45d202a4b303ca2afd198d4878545bf90788cf1b8123b2

General

Target

JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe
Size

1.2MB
MD5

799549ca30c7b277fe3ff43ae1ff6ab5
SHA1

869b59d3cb5be3e182ae42e8b95653dd888b2955
SHA256

645262b3ba493c730e45d202a4b303ca2afd198d4878545bf90788cf1b8123b2
SHA512

f21074de8a2718598329416a8a7c08a95214dba5b42256310bd967e673e8a525573f9c4626f0802701a9aff4f656af8799950d4b71fea4f0adb59d1e031b5070
SSDEEP

12288:4GlfMKdwnpclLs2FOva6H60+wn/Adtwptzz7n7x3yzVQ+6QM3rLYZHOYMha8oCQ6:4GI+lhAF+s/AzYzntWQ+6TrLYZuF+u

Score

10^/10

remcos p'salm 55 2p's discovery rat upx

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

P'salm 55 2P's

C2

jahblessrtd4ever.home-webserver.de:2021

grace2021.duckdns.org:2021

grace2020.home-webserver.de:2021

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
true.exe
copy_folder
true
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
winlogs.dat
keylog_flag
false
keylog_folder
winloga
keylog_path
%AppData%
mouse_option
false
mutex
true-meta-VD7WY8
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
true
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
Remcos family
remcos
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 2652	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	33

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2652-14-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/2652-19-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/2652-16-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/2652-21-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/2652-20-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/2652-23-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/2652-24-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/2652-22-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/2652-28-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/2652-25-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/2652-33-0x0000000000400000-0x0000000000481000-memory.dmp	upx

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 3 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.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
2572	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe
2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe
2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe
2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2652	vbc.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2572	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	30
PID 2772 wrote to memory of 2572	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	30
PID 2772 wrote to memory of 2572	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	30
PID 2772 wrote to memory of 2572	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	30
PID 2772 wrote to memory of 2604	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	32
PID 2772 wrote to memory of 2604	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	32
PID 2772 wrote to memory of 2604	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	32
PID 2772 wrote to memory of 2604	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	32
PID 2772 wrote to memory of 2652	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	33
PID 2772 wrote to memory of 2652	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	33
PID 2772 wrote to memory of 2652	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	33
PID 2772 wrote to memory of 2652	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	33
PID 2772 wrote to memory of 2652	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	33
PID 2772 wrote to memory of 2652	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	33
PID 2772 wrote to memory of 2652	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	33
PID 2772 wrote to memory of 2652	2772	JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_799549ca30c7b277fe3ff43ae1ff6ab5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iqlBkqluR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA286.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2572
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2604
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

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\Roaming\winloga\winlogs.dat

Filesize
184B

MD5
9cad5b189ae51efbfce79bb07a40f2bb

SHA1
aaf55db2e27aa895fd1ee31f22d0d843159c37a9

SHA256
8186d806d3f182e547ff2f8b6e654be93a4328ba6afbc9315aab502278f0f996

SHA512
2c6dbaf201e287f3495efb98f70e5b862863eef2c5a27c0b4ccd799c3a3515a2dcd5b5028e80199774bacdebf78bece9b2a557f103c8fd9c1e96d28e565072ca

Download Submit
memory/2652-23-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2652-20-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2652-16-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2652-18-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-33-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2652-25-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2652-28-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2652-13-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2652-21-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2652-19-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2652-22-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2652-24-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2652-14-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2772-7-0x0000000000B40000-0x0000000000B82000-memory.dmp

Filesize
264KB

Download
memory/2772-0-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/2772-3-0x00000000001F0000-0x00000000001FC000-memory.dmp

Filesize
48KB

Download
memory/2772-1-0x0000000000FC0000-0x00000000010F6000-memory.dmp

Filesize
1.2MB

Download
memory/2772-2-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2772-6-0x0000000004ED0000-0x0000000004F44000-memory.dmp

Filesize
464KB

Download
memory/2772-29-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2772-5-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2772-4-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads