modiloader | 77bd12a5a0800d9c7ae784ca6866d2289bdda9382c9d47829cbb28d2b930864c

Analysis

max time kernel
44s
max time network
87s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2023 03:10

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General

Target

6f2bd0a118e3cb21a82c2cc0f4ae89dfc3187321ae34b39270c51f4cc0fe250a.exe
Size

1.6MB
MD5

c9e26277dece15561ac1f9dae3701100
SHA1

b167c838d4606aeee4dd0b154f26fa06c0c45b73
SHA256

6f2bd0a118e3cb21a82c2cc0f4ae89dfc3187321ae34b39270c51f4cc0fe250a
SHA512

1fbf1a1caaa90f2e77c6f01cabd91b661e4b241ea578518f375611e8f932d8bdd7965d1b804c02c7904d19cd79e77febe7ba30f8c11df5da5e393e6553a4ea38
SSDEEP

24576:mLyGYcBUa0K30slpT/QCcbtz74shKiAPS9bVUp7620yjBUNPSr7aR:mL/BURW0qZQ4oKu9Op71t7

Score

10^/10

modiloader remcos isoco persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

Isoco

20.252.43.59:4403

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
true
install_flag
false
keylog_crypt
false
keylog_file
isboa.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%UserProfile%
mouse_option
false
mutex
imacoa-BC2Y2S
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
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

Processes:

resource	yara_rule
behavioral2/memory/1028-5-0x00000000031C0000-0x00000000041C0000-memory.dmp	modiloader_stage2

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

6f2bd0a118e3cb21a82c2cc0f4ae89dfc3187321ae34b39270c51f4cc0fe250a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Jpgcxodl = "C:\\Users\\Public\\Jpgcxodl.url"	6f2bd0a118e3cb21a82c2cc0f4ae89dfc3187321ae34b39270c51f4cc0fe250a.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4168 PING.EXE

pid	process
4168	PING.EXE

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	58	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	61	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

6f2bd0a118e3cb21a82c2cc0f4ae89dfc3187321ae34b39270c51f4cc0fe250a.execmd.exe

description	pid	process	target process
PID 1028 wrote to memory of 3076	1028	6f2bd0a118e3cb21a82c2cc0f4ae89dfc3187321ae34b39270c51f4cc0fe250a.exe	cmd.exe
PID 1028 wrote to memory of 3076	1028	6f2bd0a118e3cb21a82c2cc0f4ae89dfc3187321ae34b39270c51f4cc0fe250a.exe	cmd.exe
PID 1028 wrote to memory of 3076	1028	6f2bd0a118e3cb21a82c2cc0f4ae89dfc3187321ae34b39270c51f4cc0fe250a.exe	cmd.exe
PID 3076 wrote to memory of 1516	3076	cmd.exe	cmd.exe
PID 3076 wrote to memory of 1516	3076	cmd.exe	cmd.exe
PID 3076 wrote to memory of 1516	3076	cmd.exe	cmd.exe
PID 3076 wrote to memory of 3460	3076	cmd.exe	cmd.exe
PID 3076 wrote to memory of 3460	3076	cmd.exe	cmd.exe
PID 3076 wrote to memory of 3460	3076	cmd.exe	cmd.exe
PID 3076 wrote to memory of 2140	3076	cmd.exe	cmd.exe
PID 3076 wrote to memory of 2140	3076	cmd.exe	cmd.exe
PID 3076 wrote to memory of 2140	3076	cmd.exe	cmd.exe
PID 3076 wrote to memory of 3420	3076	cmd.exe	xcopy.exe
PID 3076 wrote to memory of 3420	3076	cmd.exe	xcopy.exe
PID 3076 wrote to memory of 3420	3076	cmd.exe	xcopy.exe

C:\Users\Admin\AppData\Local\Temp\6f2bd0a118e3cb21a82c2cc0f4ae89dfc3187321ae34b39270c51f4cc0fe250a.exe
"C:\Users\Admin\AppData\Local\Temp\6f2bd0a118e3cb21a82c2cc0f4ae89dfc3187321ae34b39270c51f4cc0fe250a.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\JpgcxodlO.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:3076

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ECHO F
3⤵
PID:2140

C:\Windows\SysWOW64\xcopy.exe
xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
3⤵
PID:1152

C:\Windows\SysWOW64\xcopy.exe
xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
3⤵
PID:3896

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 6
3⤵
- Runs ping.exe
PID:4168

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
PID:2224

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ECHO F
3⤵
PID:3356

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ECHO F
3⤵
PID:516

C:\Windows\SysWOW64\xcopy.exe
xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
3⤵
PID:3420

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c mkdir "\\?\C:\Windows \System32"
3⤵
PID:3460

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c mkdir "\\?\C:\Windows "
3⤵
PID:1516

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
2⤵
PID:4056

C:\Windows\system32\cmd.exe
cmd.exe /c start /min powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
1⤵
PID:1644

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
2⤵
PID:3620

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
1⤵
PID:1408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lkjgye34.fdg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
466B

MD5
9e80036aabe3227dbf98b3975051a53b

SHA1
9670aab8897770a93293d85426b7b13dda23a152

SHA256
964aab3b72b3545fabc58a209714ebeade739a0fec40b33af675d7157b9cb252

SHA512
107fb6b364cf92730aca1a044f7769a1f4aed39a72f031a5004ccf09b3bebabac5fc88b3d0f85eb64c665404136db13678718bad36bea4311f07726684ed0a03

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

Filesize
152B

MD5
7e5fbd29557a68383dfb34e696964e93

SHA1
c1f748f89b47864301255d1fb2bfed04ed0d1300

SHA256
4e55b1bbe2e0e099592ac57a747fa8d4ef67409901d6c64323a1b73d50e5de67

SHA512
7dcb6582b03e7bf0cab2168dc775ca6d7a15ebb097fd2cdd3445b6d35ee128386fb9aa6a548b745c32540e358b2aa4d7c78a6f59f85c32065735fc54a6a2bb6a

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
108KB

MD5
8c526af9678add1072d31e631c0fdb2c

SHA1
0cc5f1b356920e30dc66dcf1145aba62ef853d47

SHA256
515724fddbc390db5138b911646f9f88f15595f51eca5ec58c409deb8fc1b71a

SHA512
08bfdff364e17c5d99bfee451cc14aad686a5eed6f71a29f0444cad2113e9c1ee675499ade65f09bed9f74182785ab8242f4491d0801ae141b36710ae9125e13

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
108KB

MD5
8c526af9678add1072d31e631c0fdb2c

SHA1
0cc5f1b356920e30dc66dcf1145aba62ef853d47

SHA256
515724fddbc390db5138b911646f9f88f15595f51eca5ec58c409deb8fc1b71a

SHA512
08bfdff364e17c5d99bfee451cc14aad686a5eed6f71a29f0444cad2113e9c1ee675499ade65f09bed9f74182785ab8242f4491d0801ae141b36710ae9125e13

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

Filesize
108KB

MD5
8c526af9678add1072d31e631c0fdb2c

SHA1
0cc5f1b356920e30dc66dcf1145aba62ef853d47

SHA256
515724fddbc390db5138b911646f9f88f15595f51eca5ec58c409deb8fc1b71a

SHA512
08bfdff364e17c5d99bfee451cc14aad686a5eed6f71a29f0444cad2113e9c1ee675499ade65f09bed9f74182785ab8242f4491d0801ae141b36710ae9125e13

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

Filesize
152B

MD5
7e5fbd29557a68383dfb34e696964e93

SHA1
c1f748f89b47864301255d1fb2bfed04ed0d1300

SHA256
4e55b1bbe2e0e099592ac57a747fa8d4ef67409901d6c64323a1b73d50e5de67

SHA512
7dcb6582b03e7bf0cab2168dc775ca6d7a15ebb097fd2cdd3445b6d35ee128386fb9aa6a548b745c32540e358b2aa4d7c78a6f59f85c32065735fc54a6a2bb6a

Download Submit
memory/1028-7-0x0000000000400000-0x00000000005A4000-memory.dmp

Filesize
1.6MB

Download
memory/1028-0-0x0000000002460000-0x0000000002461000-memory.dmp

Filesize
4KB

Download
memory/1028-5-0x00000000031C0000-0x00000000041C0000-memory.dmp

Filesize
16.0MB

Download
memory/1028-4-0x0000000002460000-0x0000000002461000-memory.dmp

Filesize
4KB

Download
memory/1028-3-0x0000000000400000-0x00000000005A4000-memory.dmp

Filesize
1.6MB

Download
memory/1028-2-0x0000000000400000-0x00000000005A4000-memory.dmp

Filesize
1.6MB

Download
memory/1028-1-0x00000000031C0000-0x00000000041C0000-memory.dmp

Filesize
16.0MB

Download
memory/2224-30-0x00000000613C0000-0x00000000613E2000-memory.dmp

Filesize
136KB

Download
memory/3620-47-0x000001ED718A0000-0x000001ED718B0000-memory.dmp

Filesize
64KB

Download
memory/3620-46-0x000001ED718A0000-0x000001ED718B0000-memory.dmp

Filesize
64KB

Download
memory/3620-45-0x000001ED718A0000-0x000001ED718B0000-memory.dmp

Filesize
64KB

Download
memory/3620-44-0x00007FF842A40000-0x00007FF843501000-memory.dmp

Filesize
10.8MB

Download
memory/3620-50-0x00007FF842A40000-0x00007FF843501000-memory.dmp

Filesize
10.8MB

Download
memory/3620-34-0x000001ED71840000-0x000001ED71862000-memory.dmp

Filesize
136KB

Download
memory/4056-56-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download
memory/4056-63-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download
memory/4056-53-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download
memory/4056-51-0x0000000004620000-0x0000000005620000-memory.dmp

Filesize
16.0MB

Download
memory/4056-58-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download
memory/4056-61-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download
memory/4056-62-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download
memory/4056-52-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download
memory/4056-64-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download
memory/4056-70-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download
memory/4056-71-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download
memory/4056-72-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download
memory/4056-74-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download
memory/4056-73-0x0000000022300000-0x0000000022382000-memory.dmp

Filesize
520KB

Download