modiloader | 23dc5d937451c57dc7137a2c84ff7763822b5bf627fbd8ab6b5305e4f0a0bb13

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2023, 03:49

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General

Target
0589dc264a57d833c4c0246dad8261a2.exe
Size 760KB
Sample230128-edca9sea76
SHA256 23dc5d937451c57dc7137a2c84ff7763822b5bf627fbd8ab6b5305e4f0a0bb13
MD5 0589dc264a57d833c4c0246dad8261a2
SHA1 03d2e4074ca20a9a96f4cf356bd3ba53fc38e343
SHA512 a5fd02c78d0a2ef5f600ca37843bbb368be647d26a67b0aa16f6c56dc4552a7fdab4af1a8590c3c0821885639f8638677b889a934895d1841d16586ea2f469b7
SSDEEP 12288:nXCSJ638aXV+o1zl3qJVkdRTYJO8t8q0NVlstZo1PkB0lEKjh4jieNt:yUk+o10JVE+Jl8FNHkmPkBPKhheN
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader remcos waltar-host 2023 persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

waltar-Host 2023

muwkege4.zapto.org:2290

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
qqs.exe
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_path
%AppData%
mouse_option
false
mutex
Rmc-ASQDD0
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
ksd
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/2732-132-0x0000000002840000-0x000000000286C000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
4452	easinvoker.exe
3824	djqqronL.pif

Loads dropped DLL 1 IoCs

pid	Process
4452	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-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Lnorqqjd = "C:\\Users\\Public\\Libraries\\djqqronL.url"	0589dc264a57d833c4c0246dad8261a2.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
3968	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3520	powershell.exe
3520	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3520	powershell.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 4020	2732	0589dc264a57d833c4c0246dad8261a2.exe	90
PID 2732 wrote to memory of 4020	2732	0589dc264a57d833c4c0246dad8261a2.exe	90
PID 2732 wrote to memory of 4020	2732	0589dc264a57d833c4c0246dad8261a2.exe	90
PID 4020 wrote to memory of 1296	4020	cmd.exe	92
PID 4020 wrote to memory of 1296	4020	cmd.exe	92
PID 4020 wrote to memory of 1296	4020	cmd.exe	92
PID 4020 wrote to memory of 3220	4020	cmd.exe	93
PID 4020 wrote to memory of 3220	4020	cmd.exe	93
PID 4020 wrote to memory of 3220	4020	cmd.exe	93
PID 4020 wrote to memory of 1268	4020	cmd.exe	94
PID 4020 wrote to memory of 1268	4020	cmd.exe	94
PID 4020 wrote to memory of 1268	4020	cmd.exe	94
PID 4020 wrote to memory of 2684	4020	cmd.exe	95
PID 4020 wrote to memory of 2684	4020	cmd.exe	95
PID 4020 wrote to memory of 2684	4020	cmd.exe	95
PID 4020 wrote to memory of 2252	4020	cmd.exe	96
PID 4020 wrote to memory of 2252	4020	cmd.exe	96
PID 4020 wrote to memory of 2252	4020	cmd.exe	96
PID 4020 wrote to memory of 4068	4020	cmd.exe	97
PID 4020 wrote to memory of 4068	4020	cmd.exe	97
PID 4020 wrote to memory of 4068	4020	cmd.exe	97
PID 4020 wrote to memory of 4452	4020	cmd.exe	98
PID 4020 wrote to memory of 4452	4020	cmd.exe	98
PID 4452 wrote to memory of 1744	4452	easinvoker.exe	99
PID 4452 wrote to memory of 1744	4452	easinvoker.exe	99
PID 4020 wrote to memory of 3968	4020	cmd.exe	101
PID 4020 wrote to memory of 3968	4020	cmd.exe	101
PID 4020 wrote to memory of 3968	4020	cmd.exe	101
PID 1744 wrote to memory of 3520	1744	cmd.exe	102
PID 1744 wrote to memory of 3520	1744	cmd.exe	102
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104
PID 2732 wrote to memory of 3824	2732	0589dc264a57d833c4c0246dad8261a2.exe	104

C:\Users\Admin\AppData\Local\Temp\0589dc264a57d833c4c0246dad8261a2.exe
"C:\Users\Admin\AppData\Local\Temp\0589dc264a57d833c4c0246dad8261a2.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\LnorqqjdO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4020
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:1296
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3220
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:1268
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:2684
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:2252
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:4068
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4452
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1744
    - - 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:3520
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:3968
- C:\Users\Public\Libraries\djqqronL.pif
  C:\Users\Public\Libraries\djqqronL.pif
  2⤵
  - Executes dropped EXE
  PID:3824

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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LnorqqjdO.bat

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

Submit Download

djqqronL.pif

Path C:\Users\Public\Libraries\djqqronL.pif
Size 118KB
SHA256 9a38991461288014473dd1d6de00238a69d14ff36bc5a555ac4d88479da1e0af
MD5 6035096bf8f5f72d46a8ade5586a0c7b
SHA1 2a821cf6889377435b2028016d72efe3bb8fb8da
SHA512 83319b115b62d377b349f954d367860eec63ba51cd6ac4c7a51d887734fffed1045c64fc6f5c8552a038524c71e9a7e52f48374d28f02e828563e11456e93175
SSDEEP 1536:YzFJMKXecWJqoUZhOqOnFz9gGUGRsxrmpJSW8tWzvXg+CIHHvtVlb5hDr:Yz/hoUZhojsMT18tWzX5lTr
MD5 SHA1 SHA512 SSDEEP

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djqqronL.pif

Path C:\Users\Public\Libraries\djqqronL.pif
Size 118KB
SHA256 9a38991461288014473dd1d6de00238a69d14ff36bc5a555ac4d88479da1e0af
MD5 6035096bf8f5f72d46a8ade5586a0c7b
SHA1 2a821cf6889377435b2028016d72efe3bb8fb8da
SHA512 83319b115b62d377b349f954d367860eec63ba51cd6ac4c7a51d887734fffed1045c64fc6f5c8552a038524c71e9a7e52f48374d28f02e828563e11456e93175
SSDEEP 1536:YzFJMKXecWJqoUZhOqOnFz9gGUGRsxrmpJSW8tWzvXg+CIHHvtVlb5hDr:Yz/hoUZhojsMT18tWzX5lTr
MD5 SHA1 SHA512 SSDEEP

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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

Submit Download

netutils.dll

Path C:\Users\Public\Libraries\netutils.dll
Size 109KB
SHA256 7c1a178a5629027a0bb19c743e8505b280a5b6dc22088cd1a6a0132e32d79fc2
MD5 08aecbf3114e569921df32fb5c8a1dd6
SHA1 9e2fd6ba9b66844292fb49a79fc874ad52f5ecba
SHA512 e1895567460a4945690e4d88ada31a41ae7d499eb887108578027cde5aaaa2cfc28779a00fc66d01e49c3e4354caada18a14d61b57fbec40b38de23fd1c91d57
SSDEEP 1536:LljNHW+sID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:LJxW+f/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

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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

netutils.dll

Path C:\Windows \System32\netutils.dll
Size 109KB
SHA256 7c1a178a5629027a0bb19c743e8505b280a5b6dc22088cd1a6a0132e32d79fc2
MD5 08aecbf3114e569921df32fb5c8a1dd6
SHA1 9e2fd6ba9b66844292fb49a79fc874ad52f5ecba
SHA512 e1895567460a4945690e4d88ada31a41ae7d499eb887108578027cde5aaaa2cfc28779a00fc66d01e49c3e4354caada18a14d61b57fbec40b38de23fd1c91d57
SSDEEP 1536:LljNHW+sID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:LJxW+f/N8ago865w8DdD0wRYQ+b
MD5 SHA1 SHA512 SSDEEP

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netutils.dll

Path C:\Windows \System32\netutils.dll
Size 109KB
SHA256 7c1a178a5629027a0bb19c743e8505b280a5b6dc22088cd1a6a0132e32d79fc2
MD5 08aecbf3114e569921df32fb5c8a1dd6
SHA1 9e2fd6ba9b66844292fb49a79fc874ad52f5ecba
SHA512 e1895567460a4945690e4d88ada31a41ae7d499eb887108578027cde5aaaa2cfc28779a00fc66d01e49c3e4354caada18a14d61b57fbec40b38de23fd1c91d57
SSDEEP 1536:LljNHW+sID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:LJxW+f/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/2732-156-0x0000000010590000-0x0000000010612000-memory.dmp

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memory/2732-160-0x0000000010590000-0x0000000010612000-memory.dmp

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memory/2732-132-0x0000000002840000-0x000000000286C000-memory.dmp

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memory/3520-155-0x00007FFF594B0000-0x00007FFF59F71000-memory.dmp

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memory/3520-154-0x0000023A08080000-0x0000023A080A2000-memory.dmp

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memory/3824-161-0x0000000010590000-0x0000000010612000-memory.dmp

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memory/3824-162-0x0000000000710000-0x000000000078F000-memory.dmp

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memory/3824-163-0x0000000000710000-0x000000000078F000-memory.dmp

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