modiloader | c266fa606a35b4ede65ae441e448dfcbf63b7a4e52091be0a6dc013b3e93c1f8

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2023, 07:56

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General

Target
NewOrder.exe
Size 701KB
Sample230124-jspmcsbf5v
SHA256 c266fa606a35b4ede65ae441e448dfcbf63b7a4e52091be0a6dc013b3e93c1f8
MD5 7e84415920432925a03e4db2fcf6a5d3
SHA1 7e3f9c06b7c6ebe3e3e21bbe78e98c5415acd91d
SHA512 234a4f785d12ef160be1188490fb5b0038715bdcc0dba01b70aea41284fe22f3defa153b8ab39137d49abb8e918c94badc794c57898cf15cd4cb786385f71867
SSDEEP 12288:Z1HbJXPhvoavMSPJ7Q7/S7sW/vCFovXe8xSfPt3C:3lXZAavMo7Q74sECFoG0e1
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader remcos sky-yak persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

SKY-YAK

www.christopherferr.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
12345
mouse_option
false
mutex
Rmc-E68T3F
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

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/4756-132-0x0000000002420000-0x000000000244C000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
1088	easinvoker.exe
4984	opszmgdS.pif

Loads dropped DLL 1 IoCs

pid	Process
1088	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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Sdgmzspo = "C:\\Users\\Public\\Libraries\\opszmgdS.url"	NewOrder.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
3808	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4688	powershell.exe
4688	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4688	powershell.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 4144	4756	NewOrder.exe	88
PID 4756 wrote to memory of 4144	4756	NewOrder.exe	88
PID 4756 wrote to memory of 4144	4756	NewOrder.exe	88
PID 4144 wrote to memory of 2280	4144	cmd.exe	90
PID 4144 wrote to memory of 2280	4144	cmd.exe	90
PID 4144 wrote to memory of 2280	4144	cmd.exe	90
PID 4144 wrote to memory of 4668	4144	cmd.exe	91
PID 4144 wrote to memory of 4668	4144	cmd.exe	91
PID 4144 wrote to memory of 4668	4144	cmd.exe	91
PID 4144 wrote to memory of 4460	4144	cmd.exe	92
PID 4144 wrote to memory of 4460	4144	cmd.exe	92
PID 4144 wrote to memory of 4460	4144	cmd.exe	92
PID 4144 wrote to memory of 3628	4144	cmd.exe	93
PID 4144 wrote to memory of 3628	4144	cmd.exe	93
PID 4144 wrote to memory of 3628	4144	cmd.exe	93
PID 4144 wrote to memory of 5024	4144	cmd.exe	94
PID 4144 wrote to memory of 5024	4144	cmd.exe	94
PID 4144 wrote to memory of 5024	4144	cmd.exe	94
PID 4144 wrote to memory of 224	4144	cmd.exe	95
PID 4144 wrote to memory of 224	4144	cmd.exe	95
PID 4144 wrote to memory of 224	4144	cmd.exe	95
PID 4144 wrote to memory of 1088	4144	cmd.exe	96
PID 4144 wrote to memory of 1088	4144	cmd.exe	96
PID 1088 wrote to memory of 4264	1088	easinvoker.exe	97
PID 1088 wrote to memory of 4264	1088	easinvoker.exe	97
PID 4144 wrote to memory of 3808	4144	cmd.exe	99
PID 4144 wrote to memory of 3808	4144	cmd.exe	99
PID 4144 wrote to memory of 3808	4144	cmd.exe	99
PID 4264 wrote to memory of 4688	4264	cmd.exe	100
PID 4264 wrote to memory of 4688	4264	cmd.exe	100
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102
PID 4756 wrote to memory of 4984	4756	NewOrder.exe	102

C:\Users\Admin\AppData\Local\Temp\NewOrder.exe
"C:\Users\Admin\AppData\Local\Temp\NewOrder.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\SdgmzspoO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4144
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:2280
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:4668
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:4460
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3628
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:5024
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:224
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1088
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4264
    - - 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:4688
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:3808
- C:\Users\Public\Libraries\opszmgdS.pif
  C:\Users\Public\Libraries\opszmgdS.pif
  2⤵
  - Executes dropped EXE
  PID:4984

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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SdgmzspoO.bat

Path C:\Users\Public\Libraries\SdgmzspoO.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 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 7c1a178a5629027a0bb19c743e8505b280a5b6dc22088cd1a6a0132e32d79fc2
MD5 08aecbf3114e569921df32fb5c8a1dd6
SHA1 9e2fd6ba9b66844292fb49a79fc874ad52f5ecba
SHA512 e1895567460a4945690e4d88ada31a41ae7d499eb887108578027cde5aaaa2cfc28779a00fc66d01e49c3e4354caada18a14d61b57fbec40b38de23fd1c91d57
SSDEEP 1536:LljNHW+sID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:LJxW+f/N8ago865w8DdD0wRYQ+b
MD5 SHA1 SHA512 SSDEEP

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opszmgdS.pif

Path C:\Users\Public\Libraries\opszmgdS.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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opszmgdS.pif

Path C:\Users\Public\Libraries\opszmgdS.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:\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

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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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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/4688-154-0x0000018B619E0000-0x0000018B61A02000-memory.dmp

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memory/4688-155-0x00007FFEB0300000-0x00007FFEB0DC1000-memory.dmp

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memory/4756-156-0x0000000010590000-0x0000000010612000-memory.dmp

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memory/4756-160-0x0000000010590000-0x0000000010612000-memory.dmp

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memory/4756-132-0x0000000002420000-0x000000000244C000-memory.dmp

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memory/4984-161-0x0000000010590000-0x0000000010612000-memory.dmp

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memory/4984-162-0x0000000000AD0000-0x0000000000B4F000-memory.dmp

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memory/4984-163-0x0000000000AD0000-0x0000000000B4F000-memory.dmp

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