icexloader | 0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
14-11-2022 05:33

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General

Target

0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe
Size

348KB
MD5

96bdd68cfa84ba3d7390b4e172837370
SHA1

f3f5908c8138881e04db463a78172ca510073788
SHA256

0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9
SHA512

17775d7dbf6776620f59a0a2f4ea2753a4ddf39a9b05e7f2d28dae2e48a809c8aa30382d5fdddff70c76d948f6a1991a1585271e3b820576feb18825b178f4b0
SSDEEP

6144:cbslI7IBoZ1jMYORbxV9b+WvHfyVQhAyPl//2:cbvII1MtD+WffyVQhAyPl//2

Score

10^/10

icexloader loader persistence

Malware Config

Extracted

Family

icexloader

http://stealthelite.one/magnumopus/Script.php

Signatures

Detects IceXLoader v3.0 2 IoCs

resource	yara_rule
behavioral2/files/0x0004000000022dd3-137.dat	family_icexloader_v3
behavioral2/files/0x0004000000022dd3-138.dat	family_icexloader_v3

icexloader
IceXLoader is a downloader used to deliver other malware families.
loader icexloader

Executes dropped EXE 1 IoCs

pid	Process
3392	Opus.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Opus.exe	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Opus = "\"C:\\Users\\Admin\\AppData\\Roaming\\Opus.exe\""	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Opus = "\"C:\\Users\\Admin\\AppData\\Roaming\\Opus.exe\""	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe

Delays execution with timeout.exe 2 IoCs

evasion

pid	Process
5052	timeout.exe
4932	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
516	powershell.exe
516	powershell.exe
3452	powershell.exe
3452	powershell.exe
4428	powershell.exe
4428	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeDebugPrivilege	516	powershell.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeDebugPrivilege	3452	powershell.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeDebugPrivilege	4428	powershell.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe
Token: SeRemoteShutdownPrivilege	3392	Opus.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 3536	2200	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe	80
PID 2200 wrote to memory of 3536	2200	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe	80
PID 2200 wrote to memory of 3536	2200	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe	80
PID 2200 wrote to memory of 5080	2200	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe	81
PID 2200 wrote to memory of 5080	2200	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe	81
PID 2200 wrote to memory of 5080	2200	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe	81
PID 5080 wrote to memory of 5052	5080	cmd.exe	84
PID 5080 wrote to memory of 5052	5080	cmd.exe	84
PID 5080 wrote to memory of 5052	5080	cmd.exe	84
PID 3536 wrote to memory of 4932	3536	cmd.exe	85
PID 3536 wrote to memory of 4932	3536	cmd.exe	85
PID 3536 wrote to memory of 4932	3536	cmd.exe	85
PID 3536 wrote to memory of 3392	3536	cmd.exe	86
PID 3536 wrote to memory of 3392	3536	cmd.exe	86
PID 3536 wrote to memory of 3392	3536	cmd.exe	86
PID 3392 wrote to memory of 4104	3392	Opus.exe	89
PID 3392 wrote to memory of 4104	3392	Opus.exe	89
PID 3392 wrote to memory of 4104	3392	Opus.exe	89
PID 4104 wrote to memory of 516	4104	cmd.exe	92
PID 4104 wrote to memory of 516	4104	cmd.exe	92
PID 4104 wrote to memory of 516	4104	cmd.exe	92
PID 4104 wrote to memory of 3452	4104	cmd.exe	97
PID 4104 wrote to memory of 3452	4104	cmd.exe	97
PID 4104 wrote to memory of 3452	4104	cmd.exe	97
PID 4104 wrote to memory of 4428	4104	cmd.exe	98
PID 4104 wrote to memory of 4428	4104	cmd.exe	98
PID 4104 wrote to memory of 4428	4104	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe
"C:\Users\Admin\AppData\Local\Temp\0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\SysWOW64\cmd.exe
  cmd /c timeout 2 & "C:\Users\Admin\AppData\Roaming\Opus.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3536
- - C:\Windows\SysWOW64\timeout.exe
    timeout 2
    3⤵
    - Delays execution with timeout.exe
    PID:4932
- - C:\Users\Admin\AppData\Roaming\Opus.exe
    "C:\Users\Admin\AppData\Roaming\Opus.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3392
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c "C:\Users\Admin\AppData\Local\Temp\file.bat"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4104
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command Set-MpPreference -DisableRealtimeMonitoring $true
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:516
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command Add-MpPreference -ExclusionExtension "C:\Users\Admin\AppData\Roaming\Opus\.exe"
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3452
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command Add-MpPreference -ExclusionPath "C:\Users\Admin"
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4428
- C:\Windows\SysWOW64\cmd.exe
  cmd /c timeout 1 & del /F "C:\Users\Admin\AppData\Local\Temp\0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5080
- - C:\Windows\SysWOW64\timeout.exe
    timeout 1
    3⤵
    - Delays execution with timeout.exe
    PID:5052

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
2900d9eae3ed3e34ae4abfb76d5b07f5

SHA1
61fb43eb1410e29efdcbe4a5763c54f2314491d9

SHA256
ccf53f6fa241b93386e3eb600e24e31ba84b6a62d442230a1ebe3383feecbe14

SHA512
8cd521de688d335436f8a19dd8474fe6d5c6fdc8d4bef463b0a69fa24825d193ec1040297f11bbf7d7a0a470ef92c295e0dcafb8cac69259c156c9848766f3ba

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
f01df2dc49b4efb80c878c83cc8bf5bb

SHA1
f5036a2908f681863e7a137cd5844064a97076ee

SHA256
1315648e4aaa6f626f15bb6d31ba5f22f698fa4c600a38040f03fefce2374272

SHA512
00e907a0f9432bf4d2dc946a0e75a08216929a7e326acbb1aee6d478caa734e5267ccf6aee569620da340fe1e42e091e699b479fe0d71cca57e69fbbe1f2238a

Download Submit
C:\Users\Admin\AppData\Local\Temp\file.bat

Filesize
238B

MD5
fdb5554346e7388c6bc358c16c448995

SHA1
17957bbe381d434574e1fc15ed5c74084fda26fe

SHA256
898bc3e85e09e353a36612b5911aa2636c06a94443dbec4e62c6b8cf2412640c

SHA512
3eec1e0dab21861bcb73cbfe3ea7234768443dd02c62a55919ad7e693501ff886946d74a8f75b7f580fa5251472a13ff55d187396c8d65fe9c2220f2f6da0674

Download Submit
C:\Users\Admin\AppData\Roaming\Opus.exe

Filesize
348KB

MD5
96bdd68cfa84ba3d7390b4e172837370

SHA1
f3f5908c8138881e04db463a78172ca510073788

SHA256
0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9

SHA512
17775d7dbf6776620f59a0a2f4ea2753a4ddf39a9b05e7f2d28dae2e48a809c8aa30382d5fdddff70c76d948f6a1991a1585271e3b820576feb18825b178f4b0

Download Submit
C:\Users\Admin\AppData\Roaming\Opus.exe

Filesize
348KB

MD5
96bdd68cfa84ba3d7390b4e172837370

SHA1
f3f5908c8138881e04db463a78172ca510073788

SHA256
0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9

SHA512
17775d7dbf6776620f59a0a2f4ea2753a4ddf39a9b05e7f2d28dae2e48a809c8aa30382d5fdddff70c76d948f6a1991a1585271e3b820576feb18825b178f4b0

Download Submit
memory/516-148-0x00000000062D0000-0x0000000006302000-memory.dmp

Filesize
200KB

Download
memory/516-151-0x0000000007650000-0x0000000007CCA000-memory.dmp

Filesize
6.5MB

Download
memory/516-157-0x0000000007280000-0x0000000007288000-memory.dmp

Filesize
32KB

Download
memory/516-142-0x0000000002350000-0x0000000002386000-memory.dmp

Filesize
216KB

Download
memory/516-143-0x0000000004DF0000-0x0000000005418000-memory.dmp

Filesize
6.2MB

Download
memory/516-144-0x0000000004DC0000-0x0000000004DE2000-memory.dmp

Filesize
136KB

Download
memory/516-145-0x0000000005490000-0x00000000054F6000-memory.dmp

Filesize
408KB

Download
memory/516-146-0x0000000005500000-0x0000000005566000-memory.dmp

Filesize
408KB

Download
memory/516-147-0x0000000005C70000-0x0000000005C8E000-memory.dmp

Filesize
120KB

Download
memory/516-156-0x0000000007350000-0x000000000736A000-memory.dmp

Filesize
104KB

Download
memory/516-149-0x0000000070A10000-0x0000000070A5C000-memory.dmp

Filesize
304KB

Download
memory/516-150-0x00000000062B0000-0x00000000062CE000-memory.dmp

Filesize
120KB

Download
memory/516-155-0x0000000007230000-0x000000000723E000-memory.dmp

Filesize
56KB

Download
memory/516-152-0x0000000007000000-0x000000000701A000-memory.dmp

Filesize
104KB

Download
memory/516-153-0x0000000007070000-0x000000000707A000-memory.dmp

Filesize
40KB

Download
memory/516-154-0x0000000007290000-0x0000000007326000-memory.dmp

Filesize
600KB

Download
memory/3452-161-0x0000000070A10000-0x0000000070A5C000-memory.dmp

Filesize
304KB

Download
memory/4428-164-0x0000000070A10000-0x0000000070A5C000-memory.dmp

Filesize
304KB

Download