modiloader | a81cfd3fa62e47eb4a12fdb5be1aff2bbd0a14d2ec41afa136c711ba3bfca4f2

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2022, 11:10

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General

Target
DHL_179319040 documento de recebimento, pdf.exe
Size 923KB
Sample220825-m9pkgadac6
SHA256 a81cfd3fa62e47eb4a12fdb5be1aff2bbd0a14d2ec41afa136c711ba3bfca4f2
MD5 1ba51c8ea47063d0ea001e95959fa8a1
SHA1 220ef6205142f24f6bdec0ca48442787f71b828a
SHA512 679db2ded5fecbf7701f68397c3aaeec42269ed8861f65c1426e227c61d408f2692c0f15f816f976b38836bdbc707c877e24f18d0572e4fd8ab2a67d24e26d58
SSDEEP 12288:yGfp37BLoRAHgBx8vzFpzU14p+R15BT7gr8dcnJDnsaXaXmYPuqZ6ZoYto:y8t4AHgBx8LzRpoWYdcnJDuPRZeoIo
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader remcos sami2 persistence rat trojan

Malware Config

Extracted

Family

remcos

Version

2.7.1 Pro

Botnet

sami2

godslovem.ddns.net:1970

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-UJQ6LS
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

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

Executes dropped EXE 1 IoCs

pid	Process
3652	easinvoker.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	DHL_179319040 documento de recebimento, pdf.exe

Loads dropped DLL 1 IoCs

pid	Process
3652	easinvoker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mceplzkqg = "C:\\Users\\Public\\Libraries\\gqkzlpecM.url"	DHL_179319040 documento de recebimento, pdf.exe

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

System Information Discovery
T1082

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
4600	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1888	powershell.exe
1888	powershell.exe
3904	DHL_179319040 documento de recebimento, pdf.exe
3904	DHL_179319040 documento de recebimento, pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1888	powershell.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 4440	3904	DHL_179319040 documento de recebimento, pdf.exe	93
PID 3904 wrote to memory of 4440	3904	DHL_179319040 documento de recebimento, pdf.exe	93
PID 3904 wrote to memory of 4440	3904	DHL_179319040 documento de recebimento, pdf.exe	93
PID 4440 wrote to memory of 1700	4440	cmd.exe	95
PID 4440 wrote to memory of 1700	4440	cmd.exe	95
PID 4440 wrote to memory of 1700	4440	cmd.exe	95
PID 4440 wrote to memory of 4580	4440	cmd.exe	96
PID 4440 wrote to memory of 4580	4440	cmd.exe	96
PID 4440 wrote to memory of 4580	4440	cmd.exe	96
PID 4440 wrote to memory of 4356	4440	cmd.exe	97
PID 4440 wrote to memory of 4356	4440	cmd.exe	97
PID 4440 wrote to memory of 4356	4440	cmd.exe	97
PID 4440 wrote to memory of 544	4440	cmd.exe	98
PID 4440 wrote to memory of 544	4440	cmd.exe	98
PID 4440 wrote to memory of 544	4440	cmd.exe	98
PID 4440 wrote to memory of 5084	4440	cmd.exe	99
PID 4440 wrote to memory of 5084	4440	cmd.exe	99
PID 4440 wrote to memory of 5084	4440	cmd.exe	99
PID 4440 wrote to memory of 3328	4440	cmd.exe	100
PID 4440 wrote to memory of 3328	4440	cmd.exe	100
PID 4440 wrote to memory of 3328	4440	cmd.exe	100
PID 4440 wrote to memory of 3652	4440	cmd.exe	101
PID 4440 wrote to memory of 3652	4440	cmd.exe	101
PID 3652 wrote to memory of 4328	3652	easinvoker.exe	102
PID 3652 wrote to memory of 4328	3652	easinvoker.exe	102
PID 4440 wrote to memory of 4600	4440	cmd.exe	104
PID 4440 wrote to memory of 4600	4440	cmd.exe	104
PID 4440 wrote to memory of 4600	4440	cmd.exe	104
PID 4328 wrote to memory of 1888	4328	cmd.exe	105
PID 4328 wrote to memory of 1888	4328	cmd.exe	105
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107
PID 3904 wrote to memory of 2888	3904	DHL_179319040 documento de recebimento, pdf.exe	107

C:\Users\Admin\AppData\Local\Temp\DHL_179319040 documento de recebimento, pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_179319040 documento de recebimento, pdf.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\MceplzkqgO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4440
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:1700
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:4580
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:4356
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:544
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:5084
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3328
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3652
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4328
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1888
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:4600
- C:\Windows\SysWOW64\iexpress.exe
  "C:\Windows\System32\iexpress.exe"
  2⤵
  PID:2888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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

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Downloads

KDECO.bat

Path C:\Users\Public\Libraries\KDECO.bat
Size 155B
SHA256 37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e
MD5 213c60adf1c9ef88dc3c9b2d579959d2
SHA1 e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021
SHA512 fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7
MD5 SHA1 SHA512

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MceplzkqgO.bat

Path C:\Users\Public\Libraries\MceplzkqgO.bat
Size 411B
SHA256 5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2
MD5 55aba243e88f6a6813c117ffe1fa5979
SHA1 210b9b028a4b798c837a182321dbf2e50d112816
SHA512 68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307
MD5 SHA1 SHA512

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easinvoker.exe

Path C:\Users\Public\Libraries\easinvoker.exe
Size 75KB
SHA256 d6c7259046e76e147e2d0f40329e0605287c80a51e6417babcd4b5d9998949ce
MD5 beba5f5a62e1e3a01f1adb028192e475
SHA1 9e22d7a129074e118531bf328e75235fa5135be4
SHA512 648f10dc7ffbe660c9beab755aabc831299d78afa70bb94fa89cde6dd3a1ceffa567c9509b0045a078d587300034342151e5434fcb8ecbee44c1fe232fe9856b
SSDEEP 1536:TUilM88czDUYbnZl9GRUx996Zu2xXibswbTYJz5R6ZfQ3qpPK:TZDRZl9GRPu2xXibswbUT6RSii
MD5 SHA1 SHA512 SSDEEP

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netutils.dll

Path C:\Users\Public\Libraries\netutils.dll
Size 108KB
SHA256 35e4a45c3a3f42ef5d340e891e864bafc49e7e869c626bad456290c9cc888303
MD5 0511e36a6408d2197034ca03c7db9b02
SHA1 54cbb647c50076239eedd94aff3c8240eb0c4125
SHA512 613ba2bef07bd751aad3e21c18b6c02635fea2b02523908b61fc60aa48d8759bb9b138582e8e617555c49d9bead9fa4dfa6263f5f88f8249c89c82f136665e78
SSDEEP 1536:EljNHW+8ID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:EJxW+P/N8ago865w8DdD0wRYQ+b
MD5 SHA1 SHA512 SSDEEP

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easinvoker.exe

Path C:\Windows \System32\easinvoker.exe
Size 75KB
SHA256 d6c7259046e76e147e2d0f40329e0605287c80a51e6417babcd4b5d9998949ce
MD5 beba5f5a62e1e3a01f1adb028192e475
SHA1 9e22d7a129074e118531bf328e75235fa5135be4
SHA512 648f10dc7ffbe660c9beab755aabc831299d78afa70bb94fa89cde6dd3a1ceffa567c9509b0045a078d587300034342151e5434fcb8ecbee44c1fe232fe9856b
SSDEEP 1536:TUilM88czDUYbnZl9GRUx996Zu2xXibswbTYJz5R6ZfQ3qpPK:TZDRZl9GRPu2xXibswbUT6RSii
MD5 SHA1 SHA512 SSDEEP

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easinvoker.exe

Path C:\Windows \System32\easinvoker.exe
Size 75KB
SHA256 d6c7259046e76e147e2d0f40329e0605287c80a51e6417babcd4b5d9998949ce
MD5 beba5f5a62e1e3a01f1adb028192e475
SHA1 9e22d7a129074e118531bf328e75235fa5135be4
SHA512 648f10dc7ffbe660c9beab755aabc831299d78afa70bb94fa89cde6dd3a1ceffa567c9509b0045a078d587300034342151e5434fcb8ecbee44c1fe232fe9856b
SSDEEP 1536:TUilM88czDUYbnZl9GRUx996Zu2xXibswbTYJz5R6ZfQ3qpPK:TZDRZl9GRPu2xXibswbUT6RSii
MD5 SHA1 SHA512 SSDEEP

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netutils.dll

Path C:\Windows \System32\netutils.dll
Size 108KB
SHA256 35e4a45c3a3f42ef5d340e891e864bafc49e7e869c626bad456290c9cc888303
MD5 0511e36a6408d2197034ca03c7db9b02
SHA1 54cbb647c50076239eedd94aff3c8240eb0c4125
SHA512 613ba2bef07bd751aad3e21c18b6c02635fea2b02523908b61fc60aa48d8759bb9b138582e8e617555c49d9bead9fa4dfa6263f5f88f8249c89c82f136665e78
SSDEEP 1536:EljNHW+8ID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:EJxW+P/N8ago865w8DdD0wRYQ+b
MD5 SHA1 SHA512 SSDEEP

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netutils.dll

Path C:\Windows \System32\netutils.dll
Size 108KB
SHA256 35e4a45c3a3f42ef5d340e891e864bafc49e7e869c626bad456290c9cc888303
MD5 0511e36a6408d2197034ca03c7db9b02
SHA1 54cbb647c50076239eedd94aff3c8240eb0c4125
SHA512 613ba2bef07bd751aad3e21c18b6c02635fea2b02523908b61fc60aa48d8759bb9b138582e8e617555c49d9bead9fa4dfa6263f5f88f8249c89c82f136665e78
SSDEEP 1536:EljNHW+8ID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:EJxW+P/N8ago865w8DdD0wRYQ+b
MD5 SHA1 SHA512 SSDEEP

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KDECO.bat

Path C:\windows \system32\KDECO.bat
Size 155B
SHA256 37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e
MD5 213c60adf1c9ef88dc3c9b2d579959d2
SHA1 e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021
SHA512 fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7
MD5 SHA1 SHA512

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memory/1888-193-0x00007FFF3B910000-0x00007FFF3C3D1000-memory.dmp

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memory/1888-192-0x00007FFF3B910000-0x00007FFF3C3D1000-memory.dmp

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memory/1888-191-0x000002D007BE0000-0x000002D007C02000-memory.dmp

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memory/2888-240-0x0000000050540000-0x0000000050565000-memory.dmp

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memory/2888-241-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2888-242-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3904-204-0x0000000050540000-0x0000000050565000-memory.dmp

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