modiloader | 1f3550afc182c66a51c5d40bcafd4713f9b8552afbb52347185d98418d8c1549

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2023, 07:11

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General

Target

f6d022437e3ebab46604ace297d22ef6.exe
Size

816KB
MD5

f6d022437e3ebab46604ace297d22ef6
SHA1

e768334e9e09c862f690d97a312e284e0de03cb1
SHA256

1f3550afc182c66a51c5d40bcafd4713f9b8552afbb52347185d98418d8c1549
SHA512

88b2ba4d5795270e2a964a06e0513bdd7b4739475de7c4259ac4a1b781d28754f03454d835a4523b9d41940ad7afbaebc803063887ed69fea450a1340202c15d
SSDEEP

12288:300zh1YnARzVrGgJoowTfehf/lHG6LbO35QPIwuYmmJ/9zaxmx86:39YARzVpWW7hPfbzaxmx8

Score

10^/10

modiloader remcos new year3 persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

NEW YEAR3

tolatilbu.hopto.org:4848

rnnfibiteammony.duckdns.org:4848

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
-HHBCNO
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 15 IoCs

resource	yara_rule
behavioral2/memory/908-134-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-180-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-187-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-182-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-191-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-192-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-193-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-189-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-194-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-195-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-196-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-197-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-198-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-199-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2
behavioral2/memory/908-200-0x00000000029F0000-0x0000000002A24000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
3960	easinvoker.exe

Loads dropped DLL 1 IoCs

pid	Process
3960	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-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cmmqzusf = "C:\\Users\\Public\\Cmmqzusf.url"	f6d022437e3ebab46604ace297d22ef6.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
5116	PING.EXE

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	15	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1120	powershell.exe
1120	powershell.exe
908	f6d022437e3ebab46604ace297d22ef6.exe
908	f6d022437e3ebab46604ace297d22ef6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1120	powershell.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 3444	908	f6d022437e3ebab46604ace297d22ef6.exe	85
PID 908 wrote to memory of 3444	908	f6d022437e3ebab46604ace297d22ef6.exe	85
PID 908 wrote to memory of 3444	908	f6d022437e3ebab46604ace297d22ef6.exe	85
PID 3444 wrote to memory of 4912	3444	cmd.exe	87
PID 3444 wrote to memory of 4912	3444	cmd.exe	87
PID 3444 wrote to memory of 4912	3444	cmd.exe	87
PID 3444 wrote to memory of 4316	3444	cmd.exe	88
PID 3444 wrote to memory of 4316	3444	cmd.exe	88
PID 3444 wrote to memory of 4316	3444	cmd.exe	88
PID 3444 wrote to memory of 2216	3444	cmd.exe	89
PID 3444 wrote to memory of 2216	3444	cmd.exe	89
PID 3444 wrote to memory of 2216	3444	cmd.exe	89
PID 3444 wrote to memory of 3944	3444	cmd.exe	90
PID 3444 wrote to memory of 3944	3444	cmd.exe	90
PID 3444 wrote to memory of 3944	3444	cmd.exe	90
PID 3444 wrote to memory of 1280	3444	cmd.exe	91
PID 3444 wrote to memory of 1280	3444	cmd.exe	91
PID 3444 wrote to memory of 1280	3444	cmd.exe	91
PID 3444 wrote to memory of 1148	3444	cmd.exe	92
PID 3444 wrote to memory of 1148	3444	cmd.exe	92
PID 3444 wrote to memory of 1148	3444	cmd.exe	92
PID 3444 wrote to memory of 3960	3444	cmd.exe	93
PID 3444 wrote to memory of 3960	3444	cmd.exe	93
PID 3960 wrote to memory of 956	3960	easinvoker.exe	95
PID 3960 wrote to memory of 956	3960	easinvoker.exe	95
PID 3444 wrote to memory of 5116	3444	cmd.exe	96
PID 3444 wrote to memory of 5116	3444	cmd.exe	96
PID 3444 wrote to memory of 5116	3444	cmd.exe	96
PID 956 wrote to memory of 1120	956	cmd.exe	97
PID 956 wrote to memory of 1120	956	cmd.exe	97
PID 908 wrote to memory of 5036	908	f6d022437e3ebab46604ace297d22ef6.exe	101
PID 908 wrote to memory of 5036	908	f6d022437e3ebab46604ace297d22ef6.exe	101
PID 908 wrote to memory of 5036	908	f6d022437e3ebab46604ace297d22ef6.exe	101
PID 908 wrote to memory of 5036	908	f6d022437e3ebab46604ace297d22ef6.exe	101
PID 908 wrote to memory of 5036	908	f6d022437e3ebab46604ace297d22ef6.exe	101
PID 908 wrote to memory of 5036	908	f6d022437e3ebab46604ace297d22ef6.exe	101

C:\Users\Admin\AppData\Local\Temp\f6d022437e3ebab46604ace297d22ef6.exe
"C:\Users\Admin\AppData\Local\Temp\f6d022437e3ebab46604ace297d22ef6.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\CmmqzusfO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3444
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:4912
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:4316
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:2216
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3944
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:1280
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:1148
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3960
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:956
    - - 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:1120
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:5116
- C:\Windows\SysWOW64\logagent.exe
  C:\Windows\System32\logagent.exe
  2⤵
  PID:5036

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

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
00ede0b94996b133ce0c4ba0d5a686b6

SHA1
c826248302c9472dd69bebc9edaffa679c77370b

SHA256
627eaf24bd853b679f3cf40d894fc95dddec0ab16a9d80c1b608ed528cd7689f

SHA512
96db108988a2f06d7559b48e0fafb23263b79308964494a5a58bb835bfc187b3262f5e126e51ab4c648266a817632795d4965c70a0c20ae81901b3ed67400b28

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kd31ewrm.kxg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
411B

MD5
55aba243e88f6a6813c117ffe1fa5979

SHA1
210b9b028a4b798c837a182321dbf2e50d112816

SHA256
5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2

SHA512
68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307

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

Filesize
155B

MD5
213c60adf1c9ef88dc3c9b2d579959d2

SHA1
e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

SHA256
37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

SHA512
fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

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
960bc25e857bdb8d94202220d245f76d

SHA1
5ae90a40abaa04e60e9771a7fa9cdb72c36f98a4

SHA256
5a5646606eaed05330e6cf1db5c3dd89d8661ff4d3d00e1d6e1231fbcc09c892

SHA512
56bd6ca841244bcfbc249073d75e4867857233b6134e61402e62b9576823cfb002b8c7cf9d62277c1e6ec72a32dca4c45e1ca2673ce3a994b39ea9ef7da83929

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
960bc25e857bdb8d94202220d245f76d

SHA1
5ae90a40abaa04e60e9771a7fa9cdb72c36f98a4

SHA256
5a5646606eaed05330e6cf1db5c3dd89d8661ff4d3d00e1d6e1231fbcc09c892

SHA512
56bd6ca841244bcfbc249073d75e4867857233b6134e61402e62b9576823cfb002b8c7cf9d62277c1e6ec72a32dca4c45e1ca2673ce3a994b39ea9ef7da83929

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

Filesize
109KB

MD5
960bc25e857bdb8d94202220d245f76d

SHA1
5ae90a40abaa04e60e9771a7fa9cdb72c36f98a4

SHA256
5a5646606eaed05330e6cf1db5c3dd89d8661ff4d3d00e1d6e1231fbcc09c892

SHA512
56bd6ca841244bcfbc249073d75e4867857233b6134e61402e62b9576823cfb002b8c7cf9d62277c1e6ec72a32dca4c45e1ca2673ce3a994b39ea9ef7da83929

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

Filesize
155B

MD5
213c60adf1c9ef88dc3c9b2d579959d2

SHA1
e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

SHA256
37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

SHA512
fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

Download Submit
memory/908-191-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-195-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-137-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/908-136-0x00000000027C0000-0x00000000027C1000-memory.dmp

Filesize
4KB

Download
memory/908-176-0x0000000003FA0000-0x0000000004023000-memory.dmp

Filesize
524KB

Download
memory/908-177-0x0000000003FA0000-0x0000000004023000-memory.dmp

Filesize
524KB

Download
memory/908-200-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-180-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-199-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-198-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-197-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-187-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-196-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-194-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-182-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-189-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-134-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-192-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/908-193-0x00000000029F0000-0x0000000002A24000-memory.dmp

Filesize
208KB

Download
memory/1120-172-0x000001692F230000-0x000001692F252000-memory.dmp

Filesize
136KB

Download
memory/3960-159-0x00000000613C0000-0x00000000613E2000-memory.dmp

Filesize
136KB

Download
memory/5036-183-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-206-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-186-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-190-0x0000000002330000-0x00000000023B4000-memory.dmp

Filesize
528KB

Download
memory/5036-179-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-178-0x0000000002330000-0x00000000023B4000-memory.dmp

Filesize
528KB

Download
memory/5036-202-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-203-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-204-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-185-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-208-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-209-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-211-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-188-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-217-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-218-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-225-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-226-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-233-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download
memory/5036-234-0x0000000002440000-0x00000000024C0000-memory.dmp

Filesize
512KB

Download