modiloader | 9474ca0fa771bd4dd2202e312ada0090f6890635b9039b5be855cc7cb8eab6ee

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2023, 12:05

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General

Target
rIMAGEDDOC0559D.exe
Size 908KB
Sample230704-n86m2acd53
SHA256 9474ca0fa771bd4dd2202e312ada0090f6890635b9039b5be855cc7cb8eab6ee
MD5 34b5b4031e59623e75d7de6e1c9935ff
SHA1 03c258ec0919d352f501cacc245309ed5ccb7c0f
SHA512 394345e9bcf50a585eda225c5dbf5b7713eed2fc7ab099d902c9ece05b943f40a938e3d8f6b739cf8ae2d3d326e91f6e0fa1b7969e782409c9e7c158947ebd5c
SSDEEP 24576:xgLzNa28Rcr2O86+6MDUlnEXYfWGOvD7QKM:xgL4HA2/KrJ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

www.zysnuy.com:2404

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-DTNDMG
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/4836-134-0x0000000002860000-0x0000000002891000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
4412	easinvoker.exe

Loads dropped DLL 1 IoCs

pid	Process
4412	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-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ahqgpety = "C:\\Users\\Public\\Ahqgpety.url"	rIMAGEDDOC0559D.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
2828	PING.EXE

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	2	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
544	powershell.exe
544	powershell.exe
4836	rIMAGEDDOC0559D.exe
4836	rIMAGEDDOC0559D.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	544	powershell.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 1832	4836	rIMAGEDDOC0559D.exe	79
PID 4836 wrote to memory of 1832	4836	rIMAGEDDOC0559D.exe	79
PID 4836 wrote to memory of 1832	4836	rIMAGEDDOC0559D.exe	79
PID 1832 wrote to memory of 1500	1832	cmd.exe	81
PID 1832 wrote to memory of 1500	1832	cmd.exe	81
PID 1832 wrote to memory of 1500	1832	cmd.exe	81
PID 1832 wrote to memory of 224	1832	cmd.exe	82
PID 1832 wrote to memory of 224	1832	cmd.exe	82
PID 1832 wrote to memory of 224	1832	cmd.exe	82
PID 1832 wrote to memory of 556	1832	cmd.exe	83
PID 1832 wrote to memory of 556	1832	cmd.exe	83
PID 1832 wrote to memory of 556	1832	cmd.exe	83
PID 1832 wrote to memory of 1276	1832	cmd.exe	84
PID 1832 wrote to memory of 1276	1832	cmd.exe	84
PID 1832 wrote to memory of 1276	1832	cmd.exe	84
PID 1832 wrote to memory of 3304	1832	cmd.exe	85
PID 1832 wrote to memory of 3304	1832	cmd.exe	85
PID 1832 wrote to memory of 3304	1832	cmd.exe	85
PID 1832 wrote to memory of 896	1832	cmd.exe	86
PID 1832 wrote to memory of 896	1832	cmd.exe	86
PID 1832 wrote to memory of 896	1832	cmd.exe	86
PID 1832 wrote to memory of 4412	1832	cmd.exe	87
PID 1832 wrote to memory of 4412	1832	cmd.exe	87
PID 4412 wrote to memory of 4660	4412	easinvoker.exe	88
PID 4412 wrote to memory of 4660	4412	easinvoker.exe	88
PID 1832 wrote to memory of 2828	1832	cmd.exe	90
PID 1832 wrote to memory of 2828	1832	cmd.exe	90
PID 1832 wrote to memory of 2828	1832	cmd.exe	90
PID 4660 wrote to memory of 544	4660	cmd.exe	91
PID 4660 wrote to memory of 544	4660	cmd.exe	91
PID 4836 wrote to memory of 1948	4836	rIMAGEDDOC0559D.exe	93
PID 4836 wrote to memory of 1948	4836	rIMAGEDDOC0559D.exe	93
PID 4836 wrote to memory of 1948	4836	rIMAGEDDOC0559D.exe	93
PID 4836 wrote to memory of 1948	4836	rIMAGEDDOC0559D.exe	93
PID 4836 wrote to memory of 1948	4836	rIMAGEDDOC0559D.exe	93
PID 4836 wrote to memory of 1948	4836	rIMAGEDDOC0559D.exe	93

C:\Users\Admin\AppData\Local\Temp\rIMAGEDDOC0559D.exe
"C:\Users\Admin\AppData\Local\Temp\rIMAGEDDOC0559D.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\AhqgpetyO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1832
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:1500
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:224
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:556
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:1276
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:3304
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:896
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4412
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4660
    - - 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:544
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:2828
- C:\Windows\SysWOW64\colorcpl.exe
  C:\Windows\System32\colorcpl.exe
  2⤵
  PID:1948

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

Replay Monitor

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Downloads

logs.dat

Path C:\ProgramData\remcos\logs.dat
Size 146B
SHA256 f73d784416b7a8e7dec36fda08ba46f7fb8cf7ecbe48934625adc59f498237aa
MD5 b47b60b89df7945950b56cc5a093a506
SHA1 e2070e1defb3615444824168dbcaef2bf09737d0
SHA512 efc8dcb108c718942a051668479c44b338ed53852b45dccec579adfd423eb45db58a86ee348de58518954b716b5d7ed942361f3a13cb56fe76d70b2df9efe872
MD5 SHA1 SHA512

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__PSScriptPolicyTest_h41ug02e.ios.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h41ug02e.ios.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

AhqgpetyO.bat

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

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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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easinvoker.exe

Path C:\Users\Public\Libraries\easinvoker.exe
Size 128KB
SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
MD5 231ce1e1d7d98b44371ffff407d68b59
SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
MD5 SHA1 SHA512 SSDEEP

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netutils.dll

Path C:\Users\Public\Libraries\netutils.dll
Size 109KB
SHA256 5a5646606eaed05330e6cf1db5c3dd89d8661ff4d3d00e1d6e1231fbcc09c892
MD5 960bc25e857bdb8d94202220d245f76d
SHA1 5ae90a40abaa04e60e9771a7fa9cdb72c36f98a4
SHA512 56bd6ca841244bcfbc249073d75e4867857233b6134e61402e62b9576823cfb002b8c7cf9d62277c1e6ec72a32dca4c45e1ca2673ce3a994b39ea9ef7da83929
SSDEEP 1536:7ljNHW+nID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:7JxW+I/N8ago865w8DdD0wRYQ+b
MD5 SHA1 SHA512 SSDEEP

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easinvoker.exe

Path C:\Windows \System32\easinvoker.exe
Size 128KB
SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
MD5 231ce1e1d7d98b44371ffff407d68b59
SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
MD5 SHA1 SHA512 SSDEEP

Submit Download

easinvoker.exe

Path C:\Windows \System32\easinvoker.exe
Size 128KB
SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
MD5 231ce1e1d7d98b44371ffff407d68b59
SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
MD5 SHA1 SHA512 SSDEEP

Submit Download

netutils.dll

Path C:\Windows \System32\netutils.dll
Size 109KB
SHA256 5a5646606eaed05330e6cf1db5c3dd89d8661ff4d3d00e1d6e1231fbcc09c892
MD5 960bc25e857bdb8d94202220d245f76d
SHA1 5ae90a40abaa04e60e9771a7fa9cdb72c36f98a4
SHA512 56bd6ca841244bcfbc249073d75e4867857233b6134e61402e62b9576823cfb002b8c7cf9d62277c1e6ec72a32dca4c45e1ca2673ce3a994b39ea9ef7da83929
SSDEEP 1536:7ljNHW+nID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:7JxW+I/N8ago865w8DdD0wRYQ+b
MD5 SHA1 SHA512 SSDEEP

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netutils.dll

Path C:\Windows \System32\netutils.dll
Size 109KB
SHA256 5a5646606eaed05330e6cf1db5c3dd89d8661ff4d3d00e1d6e1231fbcc09c892
MD5 960bc25e857bdb8d94202220d245f76d
SHA1 5ae90a40abaa04e60e9771a7fa9cdb72c36f98a4
SHA512 56bd6ca841244bcfbc249073d75e4867857233b6134e61402e62b9576823cfb002b8c7cf9d62277c1e6ec72a32dca4c45e1ca2673ce3a994b39ea9ef7da83929
SSDEEP 1536:7ljNHW+nID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:7JxW+I/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/544-172-0x000001D8F1F90000-0x000001D8F1FB2000-memory.dmp

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memory/1948-176-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-187-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-223-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-175-0x00000000048F0000-0x0000000004975000-memory.dmp

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memory/1948-222-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-179-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-183-0x00000000048F0000-0x0000000004975000-memory.dmp

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memory/1948-182-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-184-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-185-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-186-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-207-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-188-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-194-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-206-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-198-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/1948-199-0x0000000000400000-0x0000000000481000-memory.dmp

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memory/4412-159-0x00000000613C0000-0x00000000613E2000-memory.dmp

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memory/4836-136-0x0000000002840000-0x0000000002841000-memory.dmp

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memory/4836-134-0x0000000002860000-0x0000000002891000-memory.dmp

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memory/4836-137-0x0000000000400000-0x00000000004EB000-memory.dmp

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