remcos | b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
14/05/2024, 07:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe
Size

978KB
MD5

1299c227f71353022f7ed366f9efb219
SHA1

b8437949812bd190d66b656cdf99625243e0740f
SHA256

b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3
SHA512

0e5276521830eab912247cead3adb5465cd2ad9fdb784999f189c8c854c541f6a671a3bfdce7880fd6c7b4e232c22cb57cfb288a3c71957ee858f1c354c5e26d
SSDEEP

24576:fpBWNjpkskxRDqaCgqxR+0B1ONqvtad0uFb0LbsC1H+imSe9:RBWNjpkskxRDqaCgqX+0B1ONqvtY0uqW

Score

10^/10

remcos execution rat

Malware Config

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
812	powershell.exe
3844	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3972 set thread context of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1396	1972	WerFault.exe	102

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

pid	Process
4040	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
812	powershell.exe
812	powershell.exe
3844	powershell.exe
3844	powershell.exe
812	powershell.exe
3844	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	812	powershell.exe
Token: SeDebugPrivilege	3844	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 812	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	96
PID 3972 wrote to memory of 812	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	96
PID 3972 wrote to memory of 812	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	96
PID 3972 wrote to memory of 3844	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	98
PID 3972 wrote to memory of 3844	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	98
PID 3972 wrote to memory of 3844	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	98
PID 3972 wrote to memory of 4040	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	100
PID 3972 wrote to memory of 4040	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	100
PID 3972 wrote to memory of 4040	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	100
PID 3972 wrote to memory of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102
PID 3972 wrote to memory of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102
PID 3972 wrote to memory of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102
PID 3972 wrote to memory of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102
PID 3972 wrote to memory of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102
PID 3972 wrote to memory of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102
PID 3972 wrote to memory of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102
PID 3972 wrote to memory of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102
PID 3972 wrote to memory of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102
PID 3972 wrote to memory of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102
PID 3972 wrote to memory of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102
PID 3972 wrote to memory of 1972	3972	b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe	102

C:\Users\Admin\AppData\Local\Temp\b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe
"C:\Users\Admin\AppData\Local\Temp\b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3972
- 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\b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:812
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jGiHPUkzfFmtq.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3844
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jGiHPUkzfFmtq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4040
- C:\Users\Admin\AppData\Local\Temp\b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe
  "C:\Users\Admin\AppData\Local\Temp\b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe"
  2⤵
  PID:1972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 560
    3⤵
    - Program crash
    PID:1396

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4168,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=3824 /prefetch:8
1⤵
PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1972 -ip 1972
1⤵
PID:3300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
18KB

MD5
df32455042798cfe01ef21c126c39839

SHA1
7c85bd042a00ba84cc35b32a8bdfbc2132f7790b

SHA256
d0ec4874357ba471d91ad0c8743bbe883a8171fe93c24223969326f0122a87f3

SHA512
b2ac71f92999f919e54551ebf4fcceaf68087175b9988db9d51b8b736f097fa8ed3c38962dd7a6b536ca11cfcee3b39f0e85463b9fd0bebd59aeaecf76bb88e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2jesgpny.xk3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF6C.tmp

Filesize
1KB

MD5
c24dea24efd7736b9ba0ceea982566d2

SHA1
0dbf97a2c557b92f591ee46b1a50cf4b4ac5412a

SHA256
8d3c76769dac22768f226937992a2e79750a859f7d5da1e9f8f75dfaba0cbf2b

SHA512
c5c5e546f7773c51cc617d56063f721ca6bf0c88857bfce5412f65bae5f78cec4a58a21df8d9240359bd3e59e654e0916f02f445a86d138bb16d41d0cb989faf

Download Submit
memory/812-16-0x0000000002750000-0x0000000002786000-memory.dmp

Filesize
216KB

Download
memory/812-18-0x00000000051B0000-0x00000000057D8000-memory.dmp

Filesize
6.2MB

Download
memory/812-20-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/812-92-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/812-19-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/812-22-0x0000000005180000-0x00000000051A2000-memory.dmp

Filesize
136KB

Download
memory/812-72-0x0000000071500000-0x000000007154C000-memory.dmp

Filesize
304KB

Download
memory/812-24-0x00000000059C0000-0x0000000005A26000-memory.dmp

Filesize
408KB

Download
memory/812-23-0x0000000005950000-0x00000000059B6000-memory.dmp

Filesize
408KB

Download
memory/812-17-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/1972-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1972-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3844-40-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/3844-71-0x0000000007590000-0x00000000075A1000-memory.dmp

Filesize
68KB

Download
memory/3844-25-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/3844-88-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/3844-29-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/3844-85-0x00000000076D0000-0x00000000076D8000-memory.dmp

Filesize
32KB

Download
memory/3844-84-0x00000000076E0000-0x00000000076FA000-memory.dmp

Filesize
104KB

Download
memory/3844-83-0x00000000075F0000-0x0000000007604000-memory.dmp

Filesize
80KB

Download
memory/3844-82-0x00000000075E0000-0x00000000075EE000-memory.dmp

Filesize
56KB

Download
memory/3844-70-0x0000000007610000-0x00000000076A6000-memory.dmp

Filesize
600KB

Download
memory/3844-69-0x0000000007410000-0x000000000741A000-memory.dmp

Filesize
40KB

Download
memory/3844-67-0x00000000079E0000-0x000000000805A000-memory.dmp

Filesize
6.5MB

Download
memory/3844-52-0x0000000006050000-0x000000000606E000-memory.dmp

Filesize
120KB

Download
memory/3844-53-0x00000000065A0000-0x00000000065EC000-memory.dmp

Filesize
304KB

Download
memory/3844-55-0x0000000071500000-0x000000007154C000-memory.dmp

Filesize
304KB

Download
memory/3844-54-0x0000000007030000-0x0000000007062000-memory.dmp

Filesize
200KB

Download
memory/3844-65-0x0000000006640000-0x000000000665E000-memory.dmp

Filesize
120KB

Download
memory/3844-66-0x0000000007070000-0x0000000007113000-memory.dmp

Filesize
652KB

Download
memory/3844-68-0x0000000007390000-0x00000000073AA000-memory.dmp

Filesize
104KB

Download
memory/3972-51-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/3972-6-0x00000000051C0000-0x000000000525C000-memory.dmp

Filesize
624KB

Download
memory/3972-7-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/3972-11-0x0000000006BD0000-0x0000000006C90000-memory.dmp

Filesize
768KB

Download
memory/3972-4-0x0000000005940000-0x0000000005C94000-memory.dmp

Filesize
3.3MB

Download
memory/3972-8-0x0000000006690000-0x00000000066B0000-memory.dmp

Filesize
128KB

Download
memory/3972-5-0x0000000004FE0000-0x0000000004FEA000-memory.dmp

Filesize
40KB

Download
memory/3972-0-0x000000007507E000-0x000000007507F000-memory.dmp

Filesize
4KB

Download
memory/3972-9-0x00000000066E0000-0x00000000066F0000-memory.dmp

Filesize
64KB

Download
memory/3972-10-0x00000000066F0000-0x0000000006706000-memory.dmp

Filesize
88KB

Download
memory/3972-3-0x0000000004E80000-0x0000000004F12000-memory.dmp

Filesize
584KB

Download
memory/3972-2-0x0000000005390000-0x0000000005934000-memory.dmp

Filesize
5.6MB

Download
memory/3972-1-0x0000000000380000-0x000000000047A000-memory.dmp

Filesize
1000KB

Download