modiloader | c74129b7d96e5859f57324918076b665247524663105d93a8bb546d1711fce46

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
22/09/2023, 15:46

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General

Target

Pedido0922023_xlsx.exe
Size

1.2MB
MD5

13edbab0f54c88b7d5494995732d8bc1
SHA1

43927cc0d33769d9b0634ec9bc364ba6e25a6151
SHA256

b6175aa04f79e44af020154cbec1baaf6e4e60de42b69b32b37bd8fcd64d5bac
SHA512

2f23c0bc843d1234dd34201450edfce4d2ff136e5f420a2cfb9a3dfcb97d96c8936cfb0ff7123919d102c4915e7396dc811c37cc12287130b8a98328be21bfdc
SSDEEP

12288:dN7i6PeBQ9p1nU+Ji+/F1u1mlNHbsgyAvBvvc+X2B+d4ELSQZBLLKbIt383739Da:d5i6lnUr+fuMpNDJ2UxtkRN0D9h1

Score

10^/10

modiloader remcos rj101 persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

rj101

193.142.59.6:9494

Attributes

audio_folder
MicRecords
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
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-SISLEN
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/4472-2-0x0000000003EE0000-0x0000000004EE0000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
4872	easinvoker.exe

Loads dropped DLL 1 IoCs

pid	Process
4872	easinvoker.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-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Jthudqhm = "C:\\Users\\Public\\Jthudqhm.url"	Pedido0922023_xlsx.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
392	PING.EXE

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	35	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	37	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1528	powershell.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 4392	4472	Pedido0922023_xlsx.exe	94
PID 4472 wrote to memory of 4392	4472	Pedido0922023_xlsx.exe	94
PID 4472 wrote to memory of 4392	4472	Pedido0922023_xlsx.exe	94
PID 4392 wrote to memory of 4168	4392	cmd.exe	96
PID 4392 wrote to memory of 4168	4392	cmd.exe	96
PID 4392 wrote to memory of 4168	4392	cmd.exe	96
PID 4392 wrote to memory of 1440	4392	cmd.exe	97
PID 4392 wrote to memory of 1440	4392	cmd.exe	97
PID 4392 wrote to memory of 1440	4392	cmd.exe	97
PID 4392 wrote to memory of 2000	4392	cmd.exe	98
PID 4392 wrote to memory of 2000	4392	cmd.exe	98
PID 4392 wrote to memory of 2000	4392	cmd.exe	98
PID 4392 wrote to memory of 4704	4392	cmd.exe	99
PID 4392 wrote to memory of 4704	4392	cmd.exe	99
PID 4392 wrote to memory of 4704	4392	cmd.exe	99
PID 4392 wrote to memory of 2600	4392	cmd.exe	100
PID 4392 wrote to memory of 2600	4392	cmd.exe	100
PID 4392 wrote to memory of 2600	4392	cmd.exe	100
PID 4392 wrote to memory of 1684	4392	cmd.exe	101
PID 4392 wrote to memory of 1684	4392	cmd.exe	101
PID 4392 wrote to memory of 1684	4392	cmd.exe	101
PID 4392 wrote to memory of 1620	4392	cmd.exe	102
PID 4392 wrote to memory of 1620	4392	cmd.exe	102
PID 4392 wrote to memory of 1620	4392	cmd.exe	102
PID 4392 wrote to memory of 2856	4392	cmd.exe	103
PID 4392 wrote to memory of 2856	4392	cmd.exe	103
PID 4392 wrote to memory of 2856	4392	cmd.exe	103
PID 4392 wrote to memory of 4872	4392	cmd.exe	105
PID 4392 wrote to memory of 4872	4392	cmd.exe	105
PID 4872 wrote to memory of 1808	4872	easinvoker.exe	106
PID 4872 wrote to memory of 1808	4872	easinvoker.exe	106
PID 4392 wrote to memory of 392	4392	cmd.exe	108
PID 4392 wrote to memory of 392	4392	cmd.exe	108
PID 4392 wrote to memory of 392	4392	cmd.exe	108
PID 1808 wrote to memory of 404	1808	cmd.exe	109
PID 1808 wrote to memory of 404	1808	cmd.exe	109
PID 404 wrote to memory of 1528	404	cmd.exe	110
PID 404 wrote to memory of 1528	404	cmd.exe	110
PID 4472 wrote to memory of 4376	4472	Pedido0922023_xlsx.exe	113
PID 4472 wrote to memory of 4376	4472	Pedido0922023_xlsx.exe	113
PID 4472 wrote to memory of 4376	4472	Pedido0922023_xlsx.exe	113
PID 4472 wrote to memory of 4376	4472	Pedido0922023_xlsx.exe	113

C:\Users\Admin\AppData\Local\Temp\Pedido0922023_xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\Pedido0922023_xlsx.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\JthudqhmO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4392
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c mkdir "\\?\C:\Windows "
    3⤵
    PID:4168
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c mkdir "\\?\C:\Windows \System32"
    3⤵
    PID:1440
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:2000
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:4704
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:2600
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:1684
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:1620
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:2856
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4872
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1808
    - - C:\Windows\system32\cmd.exe
        
        cmd.exe /c start /min powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:404
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        6⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1528
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:392
- C:\Windows\SysWOW64\colorcpl.exe
  C:\Windows\System32\colorcpl.exe
  2⤵
  PID:4376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h0ohevm1.sgl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Libraries\JthudqhmO.bat

Filesize
466B

MD5
9e80036aabe3227dbf98b3975051a53b

SHA1
9670aab8897770a93293d85426b7b13dda23a152

SHA256
964aab3b72b3545fabc58a209714ebeade739a0fec40b33af675d7157b9cb252

SHA512
107fb6b364cf92730aca1a044f7769a1f4aed39a72f031a5004ccf09b3bebabac5fc88b3d0f85eb64c665404136db13678718bad36bea4311f07726684ed0a03

Download Submit
C:\Users\Public\Libraries\KDECO.bat

Filesize
152B

MD5
7e5fbd29557a68383dfb34e696964e93

SHA1
c1f748f89b47864301255d1fb2bfed04ed0d1300

SHA256
4e55b1bbe2e0e099592ac57a747fa8d4ef67409901d6c64323a1b73d50e5de67

SHA512
7dcb6582b03e7bf0cab2168dc775ca6d7a15ebb097fd2cdd3445b6d35ee128386fb9aa6a548b745c32540e358b2aa4d7c78a6f59f85c32065735fc54a6a2bb6a

Download Submit
C:\Users\Public\Libraries\easinvoker.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Users\Public\Libraries\netutils.dll

Filesize
110KB

MD5
555712f7ff7d7402d21c40a5fe8cba39

SHA1
30bab111d69ca87c940b019a8d55152c132696bd

SHA256
101d84e0e2b1bcbe2ca8a38ebc29b1dfa43de3b7a29439ea678f60ce54318c86

SHA512
0ea11c51208f8edd1b19a534e7ca2d0b5d4bdbc42ad599a445f8a983744c9480b78e96d6650b46d96b580ebbf6a4fa8cacd8b62d37e451bd9863d352a894e6ac

Download Submit
C:\Windows \System32\easinvoker.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Windows \System32\easinvoker.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Windows \System32\netutils.dll

Filesize
110KB

MD5
555712f7ff7d7402d21c40a5fe8cba39

SHA1
30bab111d69ca87c940b019a8d55152c132696bd

SHA256
101d84e0e2b1bcbe2ca8a38ebc29b1dfa43de3b7a29439ea678f60ce54318c86

SHA512
0ea11c51208f8edd1b19a534e7ca2d0b5d4bdbc42ad599a445f8a983744c9480b78e96d6650b46d96b580ebbf6a4fa8cacd8b62d37e451bd9863d352a894e6ac

Download Submit
C:\Windows \System32\netutils.dll

Filesize
110KB

MD5
555712f7ff7d7402d21c40a5fe8cba39

SHA1
30bab111d69ca87c940b019a8d55152c132696bd

SHA256
101d84e0e2b1bcbe2ca8a38ebc29b1dfa43de3b7a29439ea678f60ce54318c86

SHA512
0ea11c51208f8edd1b19a534e7ca2d0b5d4bdbc42ad599a445f8a983744c9480b78e96d6650b46d96b580ebbf6a4fa8cacd8b62d37e451bd9863d352a894e6ac

Download Submit
C:\windows \system32\KDECO.bat

Filesize
152B

MD5
7e5fbd29557a68383dfb34e696964e93

SHA1
c1f748f89b47864301255d1fb2bfed04ed0d1300

SHA256
4e55b1bbe2e0e099592ac57a747fa8d4ef67409901d6c64323a1b73d50e5de67

SHA512
7dcb6582b03e7bf0cab2168dc775ca6d7a15ebb097fd2cdd3445b6d35ee128386fb9aa6a548b745c32540e358b2aa4d7c78a6f59f85c32065735fc54a6a2bb6a

Download Submit
memory/1528-43-0x0000023A6A520000-0x0000023A6A530000-memory.dmp

Filesize
64KB

Download
memory/1528-41-0x00007FFE35A70000-0x00007FFE36531000-memory.dmp

Filesize
10.8MB

Download
memory/1528-46-0x00007FFE35A70000-0x00007FFE36531000-memory.dmp

Filesize
10.8MB

Download
memory/1528-44-0x0000023A6A520000-0x0000023A6A530000-memory.dmp

Filesize
64KB

Download
memory/1528-42-0x0000023A6A520000-0x0000023A6A530000-memory.dmp

Filesize
64KB

Download
memory/1528-36-0x0000023A6A4B0000-0x0000023A6A4D2000-memory.dmp

Filesize
136KB

Download
memory/4376-49-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-55-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-64-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-63-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-62-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-61-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-48-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-60-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-50-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-51-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-54-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-59-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-56-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-57-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4376-58-0x0000000001000000-0x0000000002000000-memory.dmp

Filesize
16.0MB

Download
memory/4472-1-0x0000000003EE0000-0x0000000004EE0000-memory.dmp

Filesize
16.0MB

Download
memory/4472-5-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/4472-4-0x0000000000400000-0x000000000053E000-memory.dmp

Filesize
1.2MB

Download
memory/4472-2-0x0000000003EE0000-0x0000000004EE0000-memory.dmp

Filesize
16.0MB

Download
memory/4472-0-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/4872-27-0x00000000613C0000-0x00000000613E2000-memory.dmp

Filesize
136KB

Download