modiloader | 3ae59bff704751af19ea535dd681e1549cceaafcd053f41d64c982235c8e4148

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2023, 08:17

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General

Target

BOQ-523-2022 R01.pdf.exe
Size

723KB
MD5

7bfb43461dc7e45a2d2019202453f437
SHA1

24092359be8e8957d45a5f912e8011ec2310c657
SHA256

3ae59bff704751af19ea535dd681e1549cceaafcd053f41d64c982235c8e4148
SHA512

85ce8e41ffa0aa3c4db5602fe0ff8eceaae23fcc0b836f2ca25bc1ae8d497f91bc1c05d6abdcca90724f1aa286a9f42b090747f7818ff56c9e1b6a006d7a5e06
SSDEEP

12288:NhrRcQ1GIjHQK1dbre1I8wtBzvoRcbM3VBcO9zJkF5kVn27jvTyUiats:jNGIjHX1re1I8YMRcb+VBcO9zu5S2/vS

Score

10^/10

modiloader remcos jan_2023_port_60976 persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

Jan_2023_Port_60976

pentester0.accesscam.org:60976

pentester01.duckdns.org:56796

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
onedriver.exe
copy_folder
onedriver
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
dropboxs
mouse_option
false
mutex
CMR-QITYAA
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
onedriver
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/4616-132-0x0000000003E20000-0x0000000003E4C000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
3888	easinvoker.exe

Loads dropped DLL 1 IoCs

pid	Process
3888	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\Wlmwejeo = "C:\\Users\\Public\\Libraries\\oejewmlW.url"	BOQ-523-2022 R01.pdf.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4616 set thread context of 2164	4616	BOQ-523-2022 R01.pdf.exe	101

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
3520	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4616	BOQ-523-2022 R01.pdf.exe
4616	BOQ-523-2022 R01.pdf.exe
4404	powershell.exe
4404	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4404	powershell.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 4824	4616	BOQ-523-2022 R01.pdf.exe	85
PID 4616 wrote to memory of 4824	4616	BOQ-523-2022 R01.pdf.exe	85
PID 4616 wrote to memory of 4824	4616	BOQ-523-2022 R01.pdf.exe	85
PID 4824 wrote to memory of 3436	4824	cmd.exe	87
PID 4824 wrote to memory of 3436	4824	cmd.exe	87
PID 4824 wrote to memory of 3436	4824	cmd.exe	87
PID 4824 wrote to memory of 3812	4824	cmd.exe	88
PID 4824 wrote to memory of 3812	4824	cmd.exe	88
PID 4824 wrote to memory of 3812	4824	cmd.exe	88
PID 4824 wrote to memory of 220	4824	cmd.exe	89
PID 4824 wrote to memory of 220	4824	cmd.exe	89
PID 4824 wrote to memory of 220	4824	cmd.exe	89
PID 4824 wrote to memory of 316	4824	cmd.exe	90
PID 4824 wrote to memory of 316	4824	cmd.exe	90
PID 4824 wrote to memory of 316	4824	cmd.exe	90
PID 4824 wrote to memory of 3688	4824	cmd.exe	91
PID 4824 wrote to memory of 3688	4824	cmd.exe	91
PID 4824 wrote to memory of 3688	4824	cmd.exe	91
PID 4824 wrote to memory of 3424	4824	cmd.exe	92
PID 4824 wrote to memory of 3424	4824	cmd.exe	92
PID 4824 wrote to memory of 3424	4824	cmd.exe	92
PID 4824 wrote to memory of 3888	4824	cmd.exe	93
PID 4824 wrote to memory of 3888	4824	cmd.exe	93
PID 3888 wrote to memory of 3860	3888	easinvoker.exe	94
PID 3888 wrote to memory of 3860	3888	easinvoker.exe	94
PID 4824 wrote to memory of 3520	4824	cmd.exe	96
PID 4824 wrote to memory of 3520	4824	cmd.exe	96
PID 4824 wrote to memory of 3520	4824	cmd.exe	96
PID 3860 wrote to memory of 4404	3860	cmd.exe	97
PID 3860 wrote to memory of 4404	3860	cmd.exe	97
PID 4616 wrote to memory of 2164	4616	BOQ-523-2022 R01.pdf.exe	101
PID 4616 wrote to memory of 2164	4616	BOQ-523-2022 R01.pdf.exe	101
PID 4616 wrote to memory of 2164	4616	BOQ-523-2022 R01.pdf.exe	101
PID 4616 wrote to memory of 2164	4616	BOQ-523-2022 R01.pdf.exe	101

C:\Users\Admin\AppData\Local\Temp\BOQ-523-2022 R01.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\BOQ-523-2022 R01.pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4616
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\WlmwejeoO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4824
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:3436
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3812
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:220
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:316
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:3688
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3424
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3888
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3860
    - - 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:4404
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:3520
- C:\Users\Admin\AppData\Local\Temp\BOQ-523-2022 R01.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\BOQ-523-2022 R01.pdf.exe"
  2⤵
  PID:2164

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Web Service

T1102

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
155B

MD5
213c60adf1c9ef88dc3c9b2d579959d2

SHA1
e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

SHA256
37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

SHA512
fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

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

Filesize
411B

MD5
55aba243e88f6a6813c117ffe1fa5979

SHA1
210b9b028a4b798c837a182321dbf2e50d112816

SHA256
5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2

SHA512
68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307

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
109KB

MD5
08aecbf3114e569921df32fb5c8a1dd6

SHA1
9e2fd6ba9b66844292fb49a79fc874ad52f5ecba

SHA256
7c1a178a5629027a0bb19c743e8505b280a5b6dc22088cd1a6a0132e32d79fc2

SHA512
e1895567460a4945690e4d88ada31a41ae7d499eb887108578027cde5aaaa2cfc28779a00fc66d01e49c3e4354caada18a14d61b57fbec40b38de23fd1c91d57

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
109KB

MD5
08aecbf3114e569921df32fb5c8a1dd6

SHA1
9e2fd6ba9b66844292fb49a79fc874ad52f5ecba

SHA256
7c1a178a5629027a0bb19c743e8505b280a5b6dc22088cd1a6a0132e32d79fc2

SHA512
e1895567460a4945690e4d88ada31a41ae7d499eb887108578027cde5aaaa2cfc28779a00fc66d01e49c3e4354caada18a14d61b57fbec40b38de23fd1c91d57

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

Filesize
109KB

MD5
08aecbf3114e569921df32fb5c8a1dd6

SHA1
9e2fd6ba9b66844292fb49a79fc874ad52f5ecba

SHA256
7c1a178a5629027a0bb19c743e8505b280a5b6dc22088cd1a6a0132e32d79fc2

SHA512
e1895567460a4945690e4d88ada31a41ae7d499eb887108578027cde5aaaa2cfc28779a00fc66d01e49c3e4354caada18a14d61b57fbec40b38de23fd1c91d57

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

Filesize
155B

MD5
213c60adf1c9ef88dc3c9b2d579959d2

SHA1
e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

SHA256
37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

SHA512
fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

Download Submit
memory/2164-161-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2164-160-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2164-159-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2164-158-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2164-157-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4404-155-0x00007FFB54470000-0x00007FFB54F31000-memory.dmp

Filesize
10.8MB

Download
memory/4404-154-0x00000289C4330000-0x00000289C4352000-memory.dmp

Filesize
136KB

Download
memory/4616-132-0x0000000003E20000-0x0000000003E4C000-memory.dmp

Filesize
176KB

Download