icexloader | 0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9

Analysis

max time kernel
146s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2022 11:32

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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/0x000a000000022dda-137.dat	family_icexloader_v3
behavioral2/files/0x000a000000022dda-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
2552	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Opus = "\"C:\\Users\\Admin\\AppData\\Roaming\\Opus.exe\""	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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

Delays execution with timeout.exe 2 IoCs

evasion

pid	Process
4328	timeout.exe
4160	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3372	powershell.exe
3372	powershell.exe
1912	powershell.exe
1912	powershell.exe
1680	powershell.exe
1680	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3372	powershell.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeDebugPrivilege	1912	powershell.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeDebugPrivilege	1680	powershell.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe
Token: SeRemoteShutdownPrivilege	2552	Opus.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 4636	4940	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe	83
PID 4940 wrote to memory of 4636	4940	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe	83
PID 4940 wrote to memory of 4636	4940	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe	83
PID 4940 wrote to memory of 4248	4940	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe	84
PID 4940 wrote to memory of 4248	4940	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe	84
PID 4940 wrote to memory of 4248	4940	0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9.exe	84
PID 4636 wrote to memory of 4328	4636	cmd.exe	87
PID 4636 wrote to memory of 4328	4636	cmd.exe	87
PID 4636 wrote to memory of 4328	4636	cmd.exe	87
PID 4248 wrote to memory of 4160	4248	cmd.exe	88
PID 4248 wrote to memory of 4160	4248	cmd.exe	88
PID 4248 wrote to memory of 4160	4248	cmd.exe	88
PID 4636 wrote to memory of 2552	4636	cmd.exe	89
PID 4636 wrote to memory of 2552	4636	cmd.exe	89
PID 4636 wrote to memory of 2552	4636	cmd.exe	89
PID 2552 wrote to memory of 2248	2552	Opus.exe	90
PID 2552 wrote to memory of 2248	2552	Opus.exe	90
PID 2552 wrote to memory of 2248	2552	Opus.exe	90
PID 2248 wrote to memory of 3372	2248	cmd.exe	92
PID 2248 wrote to memory of 3372	2248	cmd.exe	92
PID 2248 wrote to memory of 3372	2248	cmd.exe	92
PID 2248 wrote to memory of 1912	2248	cmd.exe	93
PID 2248 wrote to memory of 1912	2248	cmd.exe	93
PID 2248 wrote to memory of 1912	2248	cmd.exe	93
PID 2248 wrote to memory of 1680	2248	cmd.exe	94
PID 2248 wrote to memory of 1680	2248	cmd.exe	94
PID 2248 wrote to memory of 1680	2248	cmd.exe	94

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:4940
- C:\Windows\SysWOW64\cmd.exe
  cmd /c timeout 2 & "C:\Users\Admin\AppData\Roaming\Opus.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4636
- - C:\Windows\SysWOW64\timeout.exe
    timeout 2
    3⤵
    - Delays execution with timeout.exe
    PID:4328
- - 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:2552
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c "C:\Users\Admin\AppData\Local\Temp\file.bat"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2248
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command Set-MpPreference -DisableRealtimeMonitoring $true
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3372
    - - 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:1912
    - - 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:1680
- 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:4248
- - C:\Windows\SysWOW64\timeout.exe
    timeout 1
    3⤵
    - Delays execution with timeout.exe
    PID:4160

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
7c604ca851157e8fbfb71e6d9d0453e4

SHA1
b65656e92f2972cc30912680d28519bfc0dafed0

SHA256
506e866bc771ed3b27deb43ca9fe505667550371a3845e601eeb439a85ed37a1

SHA512
7da0ac1cf5895a6192c327c5c884f5ceadb658951ea7a280e971fa8f8c8228b8538b195e8757b6ad9036f48e50d2c8173ed0e416339b80d6b9aaeca859b7b968

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

Filesize
18KB

MD5
bfbcc7211b1b0de439202fb3834771a5

SHA1
83e5856c4b58bec651d0463c30778695fd5db00f

SHA256
19ed7bdadd7fbffad418e69350c699584eb9084303898f6716ea261d46d3681f

SHA512
dae3b84b1709e1c489ec8a585ef12e8af580958195ed0a5feb704809e58e334237209931b58f481107ee14c5fe97d57d5d45a40a9fb188a302f843b6c79cc077

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/1680-164-0x0000000070390000-0x00000000703DC000-memory.dmp

Filesize
304KB

Download
memory/1912-161-0x0000000070390000-0x00000000703DC000-memory.dmp

Filesize
304KB

Download
memory/3372-148-0x0000000006D70000-0x0000000006DA2000-memory.dmp

Filesize
200KB

Download
memory/3372-155-0x00000000070B0000-0x00000000070BE000-memory.dmp

Filesize
56KB

Download
memory/3372-146-0x0000000005410000-0x0000000005476000-memory.dmp

Filesize
408KB

Download
memory/3372-147-0x0000000005B80000-0x0000000005B9E000-memory.dmp

Filesize
120KB

Download
memory/3372-149-0x0000000070390000-0x00000000703DC000-memory.dmp

Filesize
304KB

Download
memory/3372-150-0x0000000006120000-0x000000000613E000-memory.dmp

Filesize
120KB

Download
memory/3372-151-0x00000000074E0000-0x0000000007B5A000-memory.dmp

Filesize
6.5MB

Download
memory/3372-152-0x0000000006E80000-0x0000000006E9A000-memory.dmp

Filesize
104KB

Download
memory/3372-153-0x0000000006EE0000-0x0000000006EEA000-memory.dmp

Filesize
40KB

Download
memory/3372-154-0x0000000007110000-0x00000000071A6000-memory.dmp

Filesize
600KB

Download
memory/3372-145-0x00000000053A0000-0x0000000005406000-memory.dmp

Filesize
408KB

Download
memory/3372-156-0x00000000071D0000-0x00000000071EA000-memory.dmp

Filesize
104KB

Download
memory/3372-157-0x0000000007100000-0x0000000007108000-memory.dmp

Filesize
32KB

Download
memory/3372-144-0x0000000005300000-0x0000000005322000-memory.dmp

Filesize
136KB

Download
memory/3372-143-0x0000000004CA0000-0x00000000052C8000-memory.dmp

Filesize
6.2MB

Download
memory/3372-142-0x0000000004630000-0x0000000004666000-memory.dmp

Filesize
216KB

Download