modiloader | 8f3abc8783e372932f05def9c6d3270b5d72982115551806a5dac2d8aacc2458

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2023 23:22

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General

Target

Invfile2123.exe
Size

1.8MB
MD5

dec4ccba06b7143d469d26429c594628
SHA1

07f913848dca98bf567454c6ffd1c2740f3b3e08
SHA256

8f3abc8783e372932f05def9c6d3270b5d72982115551806a5dac2d8aacc2458
SHA512

e702cfb0f7b63258b841778fba754e2e23eaf16e4c11834e8b4dbd03a19dc811b6475dcc7cbda770f4c8a8563c37efc0ee4b960d9c8dda30a24881b9fc983fb3
SSDEEP

49152:aD4+yRMXpcOX8IxTqh0eJa3DZEe9sRuCVCW4rMyqChsyfue9T:aDqRMXpcOXX8Za31CuCc/MXC+yf

Score

10^/10

modiloader remcos babbalog persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

babbalog

mxzaa.duckdns.org: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
babaa
mouse_option
false
mutex
Rmc-17YJIC
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
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/2600-3-0x0000000004750000-0x0000000005750000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

easinvoker.exe

pid process

1608 easinvoker.exe
Loads dropped DLL 1 IoCs

Processes:

easinvoker.exe

pid process

1608 easinvoker.exe

pid	process
1608	easinvoker.exe

pid	process
1608	easinvoker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Invfile2123.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cazsrqnr = "C:\\Users\\Public\\Cazsrqnr.url"	Invfile2123.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

xcopy.exexcopy.exexcopy.exe

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

Processes:

PING.EXE

pid process

2572 PING.EXE

pid	process
2572	PING.EXE

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	27	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	29	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4976 powershell.exe
4976 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4976 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SndVol.exe

pid process

2528 SndVol.exe

pid	process
4976	powershell.exe
4976	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4976	powershell.exe

pid	process
2528	SndVol.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

Invfile2123.execmd.exeeasinvoker.execmd.execmd.exe

description	pid	process	target process
PID 2600 wrote to memory of 4972	2600	Invfile2123.exe	cmd.exe
PID 2600 wrote to memory of 4972	2600	Invfile2123.exe	cmd.exe
PID 2600 wrote to memory of 4972	2600	Invfile2123.exe	cmd.exe
PID 4972 wrote to memory of 1116	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 1116	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 1116	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 832	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 832	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 832	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 624	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 624	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 624	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 4680	4972	cmd.exe	xcopy.exe
PID 4972 wrote to memory of 4680	4972	cmd.exe	xcopy.exe
PID 4972 wrote to memory of 4680	4972	cmd.exe	xcopy.exe
PID 4972 wrote to memory of 3344	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 3344	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 3344	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 4500	4972	cmd.exe	xcopy.exe
PID 4972 wrote to memory of 4500	4972	cmd.exe	xcopy.exe
PID 4972 wrote to memory of 4500	4972	cmd.exe	xcopy.exe
PID 4972 wrote to memory of 4592	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 4592	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 4592	4972	cmd.exe	cmd.exe
PID 4972 wrote to memory of 448	4972	cmd.exe	xcopy.exe
PID 4972 wrote to memory of 448	4972	cmd.exe	xcopy.exe
PID 4972 wrote to memory of 448	4972	cmd.exe	xcopy.exe
PID 4972 wrote to memory of 1608	4972	cmd.exe	easinvoker.exe
PID 4972 wrote to memory of 1608	4972	cmd.exe	easinvoker.exe
PID 1608 wrote to memory of 3616	1608	easinvoker.exe	cmd.exe
PID 1608 wrote to memory of 3616	1608	easinvoker.exe	cmd.exe
PID 4972 wrote to memory of 2572	4972	cmd.exe	PING.EXE
PID 4972 wrote to memory of 2572	4972	cmd.exe	PING.EXE
PID 4972 wrote to memory of 2572	4972	cmd.exe	PING.EXE
PID 3616 wrote to memory of 3044	3616	cmd.exe	cmd.exe
PID 3616 wrote to memory of 3044	3616	cmd.exe	cmd.exe
PID 3044 wrote to memory of 4976	3044	cmd.exe	powershell.exe
PID 3044 wrote to memory of 4976	3044	cmd.exe	powershell.exe
PID 2600 wrote to memory of 2528	2600	Invfile2123.exe	SndVol.exe
PID 2600 wrote to memory of 2528	2600	Invfile2123.exe	SndVol.exe
PID 2600 wrote to memory of 2528	2600	Invfile2123.exe	SndVol.exe
PID 2600 wrote to memory of 2528	2600	Invfile2123.exe	SndVol.exe

C:\Users\Admin\AppData\Local\Temp\Invfile2123.exe
"C:\Users\Admin\AppData\Local\Temp\Invfile2123.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2600

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\CazsrqnrO.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:4972

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c mkdir "\\?\C:\Windows "
3⤵
PID:1116

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c mkdir "\\?\C:\Windows \System32"
3⤵
PID:832

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ECHO F
3⤵
PID:624

C:\Windows\SysWOW64\xcopy.exe
xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:4680

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ECHO F
3⤵
PID:3344

C:\Windows\SysWOW64\xcopy.exe
xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:4500

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ECHO F
3⤵
PID:4592

C:\Windows\SysWOW64\xcopy.exe
xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:448

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
4⤵
- Suspicious use of WriteProcessMemory
PID:3616

C:\Windows\system32\cmd.exe
cmd.exe /c start /min powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
5⤵
- Suspicious use of WriteProcessMemory
PID:3044

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
6⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4976

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 6
3⤵
- Runs ping.exe
PID:2572

C:\Windows\SysWOW64\SndVol.exe
C:\Windows\System32\SndVol.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:2528

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

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\babaa\logs.dat

Filesize
144B

MD5
59764058c63822e3347a0ddde62578bd

SHA1
5315a05bd3ca1556b69cc4308defa50b6e663ed9

SHA256
d5716b8d7ff7bdb0ea9d84567ea595af7b4c682c73efd98ce085f12994320fd9

SHA512
b4ae8e635e166c1bc263a255303ef32efcf31aec2c8525486534ee2d7dc69bc4b36741fffa0f93f12b756fe181281957e57b7e510b85aa20df7fd03be0b6a69d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vms1s0n0.x4t.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Libraries\CazsrqnrO.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
2df6c1f87f009c7d0a5a5c350015a598

SHA1
fc90aadfb6c980ee8c2ea6ac88dd2ca77a5520c6

SHA256
df13d45aecb965a20d6beb65428ecd7a37d2c42be96bd38a9c63eed6a179f369

SHA512
f124c88956ebdb8b3fe9836ff52a9e3c8a24b8f3c2f7bad8a5b5799399d69218cf9d8166f171a3df4f31348665ac66ca1ecf560b1bd94fd0e8f702d7288b367e

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
2df6c1f87f009c7d0a5a5c350015a598

SHA1
fc90aadfb6c980ee8c2ea6ac88dd2ca77a5520c6

SHA256
df13d45aecb965a20d6beb65428ecd7a37d2c42be96bd38a9c63eed6a179f369

SHA512
f124c88956ebdb8b3fe9836ff52a9e3c8a24b8f3c2f7bad8a5b5799399d69218cf9d8166f171a3df4f31348665ac66ca1ecf560b1bd94fd0e8f702d7288b367e

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

Filesize
108KB

MD5
2df6c1f87f009c7d0a5a5c350015a598

SHA1
fc90aadfb6c980ee8c2ea6ac88dd2ca77a5520c6

SHA256
df13d45aecb965a20d6beb65428ecd7a37d2c42be96bd38a9c63eed6a179f369

SHA512
f124c88956ebdb8b3fe9836ff52a9e3c8a24b8f3c2f7bad8a5b5799399d69218cf9d8166f171a3df4f31348665ac66ca1ecf560b1bd94fd0e8f702d7288b367e

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

Filesize
152B

MD5
7e5fbd29557a68383dfb34e696964e93

SHA1
c1f748f89b47864301255d1fb2bfed04ed0d1300

SHA256
4e55b1bbe2e0e099592ac57a747fa8d4ef67409901d6c64323a1b73d50e5de67

SHA512
7dcb6582b03e7bf0cab2168dc775ca6d7a15ebb097fd2cdd3445b6d35ee128386fb9aa6a548b745c32540e358b2aa4d7c78a6f59f85c32065735fc54a6a2bb6a

Download Submit
memory/1608-28-0x00000000613C0000-0x00000000613E2000-memory.dmp

Filesize
136KB

Download
memory/2528-56-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-62-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-86-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-85-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-78-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-76-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-70-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-68-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-60-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-59-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-49-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-52-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-53-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-54-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-55-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2528-57-0x0000000000800000-0x0000000001800000-memory.dmp

Filesize
16.0MB

Download
memory/2600-0-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/2600-6-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/2600-1-0x0000000004750000-0x0000000005750000-memory.dmp

Filesize
16.0MB

Download
memory/2600-2-0x0000000000400000-0x00000000005D0000-memory.dmp

Filesize
1.8MB

Download
memory/2600-3-0x0000000004750000-0x0000000005750000-memory.dmp

Filesize
16.0MB

Download
memory/2600-5-0x0000000000400000-0x00000000005D0000-memory.dmp

Filesize
1.8MB

Download
memory/4976-47-0x00007FFD6C8A0000-0x00007FFD6D361000-memory.dmp

Filesize
10.8MB

Download
memory/4976-44-0x0000015E83040000-0x0000015E83050000-memory.dmp

Filesize
64KB

Download
memory/4976-43-0x0000015E83040000-0x0000015E83050000-memory.dmp

Filesize
64KB

Download
memory/4976-41-0x0000015E83050000-0x0000015E83072000-memory.dmp

Filesize
136KB

Download
memory/4976-42-0x00007FFD6C8A0000-0x00007FFD6D361000-memory.dmp

Filesize
10.8MB

Download