remcos | 2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65 | Triage

Resubmissions

09-04-2024 14:18

240409-rmbsbahc53 10

09-04-2024 14:18

240409-rma6sahc52 10

09-04-2024 14:17

240409-rlr3xahc38 10

09-04-2024 14:17

240409-rlrgdacf2x 10

06-04-2024 01:09

240406-bhsl9sgc2t 10

Analysis

max time kernel
1196s
max time network
1200s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
09-04-2024 14:18

Sharing

Report Analysis Logs

General

Target

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
Size

548KB
MD5

10a4cb3233c444bcf6211100ab9bad9a
SHA1

2f4a679479fdff9d22226676d7a7eacab84311eb
SHA256

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65
SHA512

0c847f9723d1e65a03d0e129555160a7730e3ab4625d488540dd82dc968b354e31ab042dd820da6b61662af62d0687696e458440ab66b940e3fa168c09af9303
SSDEEP

12288:FUH8UsiMHGMZY/QZsg4rvpvK9+uH2OG/4RY+ajkrSyxPln+07bSsEAmD:yH8XvHFA6sgyvxK4uHBLRPaArSuPl19

Score

10^/10

remcos gg rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

gg

C2

62.102.148.185:9771

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
newstart
keylog_path
%AppData%
mouse_option
false
mutex
remcos_wgwfvnfssp
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

Processes:

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe

description	pid	process	target process
PID 1448 set thread context of 1516	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.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

4672 schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exepowershell.exepowershell.exe

pid	process
1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
3368	powershell.exe
3060	powershell.exe
1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
3368	powershell.exe
3060	powershell.exe
3368	powershell.exe
3060	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
Token: SeDebugPrivilege	3368	powershell.exe
Token: SeDebugPrivilege	3060	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe

pid process

1516 2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe

description	pid	process	target process
PID 1448 wrote to memory of 3368	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	powershell.exe
PID 1448 wrote to memory of 3368	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	powershell.exe
PID 1448 wrote to memory of 3368	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	powershell.exe
PID 1448 wrote to memory of 3060	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	powershell.exe
PID 1448 wrote to memory of 3060	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	powershell.exe
PID 1448 wrote to memory of 3060	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	powershell.exe
PID 1448 wrote to memory of 4672	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	schtasks.exe
PID 1448 wrote to memory of 4672	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	schtasks.exe
PID 1448 wrote to memory of 4672	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	schtasks.exe
PID 1448 wrote to memory of 1516	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 1448 wrote to memory of 1516	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 1448 wrote to memory of 1516	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 1448 wrote to memory of 1516	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 1448 wrote to memory of 1516	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 1448 wrote to memory of 1516	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 1448 wrote to memory of 1516	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 1448 wrote to memory of 1516	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
PID 1448 wrote to memory of 1516	1448	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe	2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe

C:\Users\Admin\AppData\Local\Temp\2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
"C:\Users\Admin\AppData\Local\Temp\2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3368

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oFkpbhjTJbn.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3060

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oFkpbhjTJbn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC796.tmp"
2⤵
- Creates scheduled task(s)
PID:4672

C:\Users\Admin\AppData\Local\Temp\2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe
"C:\Users\Admin\AppData\Local\Temp\2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1516

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
db01a2c1c7e70b2b038edf8ad5ad9826

SHA1
540217c647a73bad8d8a79e3a0f3998b5abd199b

SHA256
413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d

SHA512
c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
e0f6e19c3b1a7773c6c4376fc76f486a

SHA1
c31fd6f380617a345658935696c0896d36623400

SHA256
c57031618be65124c376e545652d25486e14f0098e2a42278b8f6a50196b37ea

SHA512
f12ed3c96dafd09e3a332f62d8384eb8d36021bf8539a9bb87086d9c381ac7d7ce7c15ca4d9636661f3ade869f927ce704d4b9e10538b3d51ba0c11009dcb331

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_evi35yfc.zcy.ps1
Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC796.tmp
Filesize
1KB

MD5
7a53ceca6fc1c711caef996b28c6d1d3

SHA1
69f41f73acbc6745e96982b0cca4fcea07491f2f

SHA256
dcc74a72aa71aa9f8ed2ad17ac28b80458150b1749e1545551d342fd953c1bc0

SHA512
c73a7971884b82c62cc544e180a7b8563334ff79ee8af9d5713575db6395f4db304af6926962785a51e0254f06f61ab63a1d1e5a1bc79cb6266786ad1a06c558

Download Submit
memory/1448-10-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/1448-4-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/1448-6-0x0000000005460000-0x0000000005470000-memory.dmp

Filesize
64KB

Download
memory/1448-7-0x0000000005470000-0x000000000547C000-memory.dmp

Filesize
48KB

Download
memory/1448-8-0x0000000007AD0000-0x0000000007B30000-memory.dmp

Filesize
384KB

Download
memory/1448-9-0x000000000A1E0000-0x000000000A27C000-memory.dmp

Filesize
624KB

Download
memory/1448-38-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/1448-11-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/1448-1-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/1448-5-0x0000000005100000-0x000000000510A000-memory.dmp

Filesize
40KB

Download
memory/1448-3-0x0000000005110000-0x00000000051A2000-memory.dmp

Filesize
584KB

Download
memory/1448-0-0x00000000006D0000-0x000000000075E000-memory.dmp

Filesize
568KB

Download
memory/1448-2-0x0000000005570000-0x0000000005A6E000-memory.dmp

Filesize
5.0MB

Download
memory/1516-523-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1516-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1516-29-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1516-39-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1516-35-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3060-91-0x0000000008F60000-0x0000000009005000-memory.dmp

Filesize
660KB

Download
memory/3060-479-0x00000000068F0000-0x000000000690A000-memory.dmp

Filesize
104KB

Download
memory/3060-522-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/3060-488-0x00000000068E0000-0x00000000068E8000-memory.dmp

Filesize
32KB

Download
memory/3060-31-0x0000000006680000-0x0000000006690000-memory.dmp

Filesize
64KB

Download
memory/3060-93-0x0000000006680000-0x0000000006690000-memory.dmp

Filesize
64KB

Download
memory/3060-27-0x0000000006680000-0x0000000006690000-memory.dmp

Filesize
64KB

Download
memory/3060-25-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/3060-42-0x0000000007820000-0x000000000783C000-memory.dmp

Filesize
112KB

Download
memory/3060-81-0x0000000008BE0000-0x0000000008BFE000-memory.dmp

Filesize
120KB

Download
memory/3060-44-0x0000000007DD0000-0x0000000007E46000-memory.dmp

Filesize
472KB

Download
memory/3060-77-0x0000000008C00000-0x0000000008C33000-memory.dmp

Filesize
204KB

Download
memory/3060-79-0x0000000070A40000-0x0000000070A8B000-memory.dmp

Filesize
300KB

Download
memory/3060-78-0x000000007F960000-0x000000007F970000-memory.dmp

Filesize
64KB

Download
memory/3368-30-0x0000000007D70000-0x0000000007DD6000-memory.dmp

Filesize
408KB

Download
memory/3368-28-0x00000000074B0000-0x00000000074D2000-memory.dmp

Filesize
136KB

Download
memory/3368-80-0x0000000070A40000-0x0000000070A8B000-memory.dmp

Filesize
300KB

Download
memory/3368-43-0x0000000008260000-0x00000000082AB000-memory.dmp

Filesize
300KB

Download
memory/3368-22-0x0000000007700000-0x0000000007D28000-memory.dmp

Filesize
6.2MB

Download
memory/3368-92-0x00000000070C0000-0x00000000070D0000-memory.dmp

Filesize
64KB

Download
memory/3368-82-0x000000007EA40000-0x000000007EA50000-memory.dmp

Filesize
64KB

Download
memory/3368-94-0x0000000009930000-0x00000000099C4000-memory.dmp

Filesize
592KB

Download
memory/3368-21-0x00000000070C0000-0x00000000070D0000-memory.dmp

Filesize
64KB

Download
memory/3368-36-0x0000000007E50000-0x00000000081A0000-memory.dmp

Filesize
3.3MB

Download
memory/3368-19-0x0000000004A60000-0x0000000004A96000-memory.dmp

Filesize
216KB

Download
memory/3368-514-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/3368-521-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/3368-20-0x00000000070C0000-0x00000000070D0000-memory.dmp

Filesize
64KB

Download
memory/3368-32-0x0000000007DE0000-0x0000000007E46000-memory.dmp

Filesize
408KB

Download
memory/3368-18-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download