modiloader | a108ae8bd69ac84bc8dd5fa7bdbb6eff9cd65a70c16567e0f36dae1f15d090fd

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
03/04/2024, 15:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Purchase order.exe
Size 1.6MB
Sample240403-tdvj6sfe97
SHA256 a108ae8bd69ac84bc8dd5fa7bdbb6eff9cd65a70c16567e0f36dae1f15d090fd
MD5 4e1e0180c5e140946d7970f64e644ac1
SHA1 e5f939a05d817a4b56ef7ec74788ad9ce3b8cb27
SHA512 f50883d44f5ccdccb9adf9cb6cc3f6c9d6947e9b0f85d7727af151424e54d1f041d3bb6238dd29f27c47ebed20ae7e74187d31b67fd285cc1aa7d28e66204954
SSDEEP 49152:ay6imwGhfj4GBT2z95Zw/L+gwnz1nwyuPTh:azimw4f8iSuD+g
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader remcos remotehost collection persistence rat spyware stealer trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

127.0.0.1:44999
127.0.0.1:54991
africarem.duckdns.org:54991
africarem.duckdns.org:44999

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
Rmc-R571U4
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

resource	yara_rule
behavioral2/memory/3380-2-0x00000000028D0000-0x00000000038D0000-memory.dmp	modiloader_stage2

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/3704-59-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/3704-66-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/5076-60-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/5076-57-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/5076-80-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 8 IoCs

resource	yara_rule
behavioral2/memory/3704-59-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3704-66-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3968-67-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3968-71-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3968-69-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/5076-60-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/5076-57-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/5076-80-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

Executes dropped EXE 1 IoCs

pid	Process
3164	2720943.exe

Loads dropped DLL 1 IoCs

pid	Process
3164	2720943.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	Purchase order.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Hmzvinyr = "C:\\Users\\Public\\Hmzvinyr.url"	Purchase order.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3380 set thread context of 5076	3380	Purchase order.exe	122
PID 3380 set thread context of 3704	3380	Purchase order.exe	123
PID 3380 set thread context of 3968	3380	Purchase order.exe	124

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	41	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1004	powershell.exe
1004	powershell.exe
1004	powershell.exe
5076	Purchase order.exe
5076	Purchase order.exe
3968	Purchase order.exe
3968	Purchase order.exe
5076	Purchase order.exe
5076	Purchase order.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
3380	Purchase order.exe
3380	Purchase order.exe
3380	Purchase order.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1004	powershell.exe
Token: SeDebugPrivilege	3968	Purchase order.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 2860	3380	Purchase order.exe	106
PID 3380 wrote to memory of 2860	3380	Purchase order.exe	106
PID 3380 wrote to memory of 2860	3380	Purchase order.exe	106
PID 3380 wrote to memory of 2600	3380	Purchase order.exe	107
PID 3380 wrote to memory of 2600	3380	Purchase order.exe	107
PID 3380 wrote to memory of 2600	3380	Purchase order.exe	107
PID 3380 wrote to memory of 3168	3380	Purchase order.exe	110
PID 3380 wrote to memory of 3168	3380	Purchase order.exe	110
PID 3380 wrote to memory of 3168	3380	Purchase order.exe	110
PID 3168 wrote to memory of 3164	3168	cmd.exe	112
PID 3168 wrote to memory of 3164	3168	cmd.exe	112
PID 3164 wrote to memory of 1292	3164	2720943.exe	113
PID 3164 wrote to memory of 1292	3164	2720943.exe	113
PID 1292 wrote to memory of 3276	1292	cmd.exe	115
PID 1292 wrote to memory of 3276	1292	cmd.exe	115
PID 3276 wrote to memory of 1004	3276	cmd.exe	117
PID 3276 wrote to memory of 1004	3276	cmd.exe	117
PID 3380 wrote to memory of 1740	3380	Purchase order.exe	120
PID 3380 wrote to memory of 1740	3380	Purchase order.exe	120
PID 3380 wrote to memory of 1740	3380	Purchase order.exe	120
PID 3380 wrote to memory of 5076	3380	Purchase order.exe	122
PID 3380 wrote to memory of 5076	3380	Purchase order.exe	122
PID 3380 wrote to memory of 5076	3380	Purchase order.exe	122
PID 3380 wrote to memory of 3704	3380	Purchase order.exe	123
PID 3380 wrote to memory of 3704	3380	Purchase order.exe	123
PID 3380 wrote to memory of 3704	3380	Purchase order.exe	123
PID 3380 wrote to memory of 3968	3380	Purchase order.exe	124
PID 3380 wrote to memory of 3968	3380	Purchase order.exe	124
PID 3380 wrote to memory of 3968	3380	Purchase order.exe	124

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Windows\SysWOW64\cmd.exe
  cmd /c mkdir "\\?\C:\Windows "
  2⤵
  PID:2860
- C:\Windows\SysWOW64\cmd.exe
  cmd /c mkdir "\\?\C:\Windows \System32"
  2⤵
  PID:2600
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "C:\Windows \System32\2720943.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3168
- - C:\Windows \System32\2720943.exe
    "C:\Windows \System32\2720943.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3164
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1292
    - - C:\Windows\system32\cmd.exe
        
        cmd /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3276
      - 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:1004
- C:\Windows\SysWOW64\extrac32.exe
  C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\Purchase order.exe C:\\Users\\Public\\Libraries\\Hmzvinyr.PIF
  2⤵
  PID:1740
- C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe" /stext "C:\Users\Admin\AppData\Local\Temp\oskmxlbzqlnzvpndn"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5076
- C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe" /stext "C:\Users\Admin\AppData\Local\Temp\zupfydmtetfeyvjhwzvg"
  2⤵
  - Accesses Microsoft Outlook accounts
  PID:3704
- C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe" /stext "C:\Users\Admin\AppData\Local\Temp\jouxywxvsbyjabxtokhhstr"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3968

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4100 --field-trial-handle=2288,i,11069632825633797559,14829202121434726371,262144 --variations-seed-version /prefetch:8
1⤵
PID:5516

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

__PSScriptPolicyTest_a55r3axn.myc.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a55r3axn.myc.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

oskmxlbzqlnzvpndn

Path C:\Users\Admin\AppData\Local\Temp\oskmxlbzqlnzvpndn
Size 4KB
SHA256 4dd5d2764bba141c582357273d5d7a869888908b4a1b52423a489d58bba597be
MD5 51bdd8d5f186fd32bf22b3988240e19d
SHA1 37a83c9c1f636bd0e5a1b806804fc5323c80791d
SHA512 a477cb0dd68901641cea43100c952d1c253c32388492204b2387a333ad1d5bed0155f08f430f010ef53fe9592945def73c3d28e77293c58d951b652410e8c6f7
SSDEEP 48:wvvv0LaxfvvcLaxfdvv0LaxBvv0Laxakvv0La7:mvIaxvwap1vIaPvIabvIa7
MD5 SHA1 SHA512 SSDEEP

Submit Download

2720943.exe

Path C:\Windows \System32\2720943.exe
Size 128KB
SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
MD5 231ce1e1d7d98b44371ffff407d68b59
SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
MD5 SHA1 SHA512 SSDEEP

Submit Download

netutils.dll

Path C:\Windows \System32\netutils.dll
Size 112KB
SHA256 50573c81e5773c13a5411e8446d7fb17956865675782239818f7affd40a2fecb
MD5 8541304aadba4ae8620bb2699f6e0437
SHA1 e0b28a6ecd32d3789433217364c1006de9892df8
SHA512 c18b1233c138229705242e1cdc00970e45e414d8da9c643b1196ec9de261ae18076e22bed6fcc48c07d1f0e851469db9147f083f3c3c76a26b75994419392455
SSDEEP 1536:yrWKID3z1yOjXtZqmsGyhvI5jduvd9a8yCl7MbiRVRpz5u:yrWt/LZq3hvUuvd9a8BRpz5u
MD5 SHA1 SHA512 SSDEEP

Submit Download

KDECO.bat

Path C:\windows \system32\KDECO.bat
Size 11KB
SHA256 a3a80983cb33159f0455fa0135789402558baa1460db94d0071318512b8cb5f9
MD5 c545650595b479c81ad6b9d8882aae39
SHA1 7a98aa2e6eee23b3c1bba876955d525bc618b3f0
SHA512 85ac596a7da9072a28c4178e4fdedc98f1b49c8e3fe5612cfe464833297b13f65d2dc59b52d7fc9970cff8f98d954111229aec0ed9dded454e03b0cf4ebb6ff3
SSDEEP 192:UPNoaJSjPMK2jxkXDmZevmhmpd/mGq5LnRWF7NpL29QeQoGAhLNTbz4UgHCHDQSq:KNjsjUKwxCiZevmgpd/jcnRu7imoG8Le
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1004-29-0x000002C5B1070000-0x000002C5B1080000-memory.dmp

Download

memory/1004-34-0x00007FFC426B0000-0x00007FFC43171000-memory.dmp

Download

memory/1004-31-0x000002C5B1070000-0x000002C5B1080000-memory.dmp

Download

memory/1004-27-0x000002C5C9250000-0x000002C5C9272000-memory.dmp

Download

memory/1004-28-0x00007FFC426B0000-0x00007FFC43171000-memory.dmp

Download

memory/1004-30-0x000002C5B1070000-0x000002C5B1080000-memory.dmp

Download

memory/3164-16-0x00000000613C0000-0x00000000613E3000-memory.dmp

Download

memory/3380-83-0x000000002DAB0000-0x000000002DAC9000-memory.dmp

Download

memory/3380-89-0x000000002DAB0000-0x000000002DAC9000-memory.dmp

Download

memory/3380-2-0x00000000028D0000-0x00000000038D0000-memory.dmp

Download

memory/3380-37-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-38-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-39-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-42-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-43-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-44-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-45-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-46-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-48-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-110-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-109-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-104-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-103-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-100-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-99-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-96-0x000000002DAB0000-0x000000002DAC9000-memory.dmp

Download

memory/3380-92-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-91-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-90-0x00000000152D0000-0x00000000162D0000-memory.dmp

Download

memory/3380-4-0x0000000000400000-0x00000000005AF000-memory.dmp

Download

memory/3380-88-0x000000002DAB0000-0x000000002DAC9000-memory.dmp

Download

memory/3380-87-0x000000002DAB0000-0x000000002DAC9000-memory.dmp

Download

memory/3380-86-0x000000002DAB0000-0x000000002DAC9000-memory.dmp

Download

memory/3380-0-0x0000000000770000-0x0000000000771000-memory.dmp

Download

memory/3380-1-0x00000000028D0000-0x00000000038D0000-memory.dmp

Download

memory/3704-66-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/3704-51-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/3704-55-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/3704-59-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/3968-69-0x0000000000400000-0x0000000000424000-memory.dmp

Download

memory/3968-67-0x0000000000400000-0x0000000000424000-memory.dmp

Download

memory/3968-62-0x0000000000400000-0x0000000000424000-memory.dmp

Download

memory/3968-95-0x0000000000400000-0x0000000000424000-memory.dmp

Download

memory/3968-71-0x0000000000400000-0x0000000000424000-memory.dmp

Download

memory/3968-54-0x0000000000400000-0x0000000000424000-memory.dmp

Download

memory/5076-80-0x0000000000400000-0x0000000000478000-memory.dmp

Download

memory/5076-56-0x0000000000400000-0x0000000000478000-memory.dmp

Download

memory/5076-60-0x0000000000400000-0x0000000000478000-memory.dmp

Download

memory/5076-57-0x0000000000400000-0x0000000000478000-memory.dmp

Download

memory/5076-50-0x0000000000400000-0x0000000000478000-memory.dmp

Download