5a695e38fea044ea09564ebfbbe6eae0d29e840cea2fe2769f0aefe4194562a7

Analysis

max time kernel
149s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2024, 14:40

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

b7e2f51031b66bf4305a8b9955caaa36.exe
Size

71KB
MD5

b7e2f51031b66bf4305a8b9955caaa36
SHA1

4df2f8c5fd0d12a93de5b16f15d08c663615b9b6
SHA256

5a695e38fea044ea09564ebfbbe6eae0d29e840cea2fe2769f0aefe4194562a7
SHA512

89020c3a0955a46e80f1d544921360239732194a48362967146b24ad1f3fede77d44ce69192f16c8154c5f6fe6d457752606fb4354b2e91d7c92581c42093bcc
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slR:Olg35GTslA5t3/w8E

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	proaxib.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	proaxib.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	proaxib.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	proaxib.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}	proaxib.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	proaxib.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}\IsInstalled = "1"	proaxib.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}\StubPath = "C:\\Windows\\system32\\akcoahooh.exe"	proaxib.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	proaxib.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	proaxib.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\nfoarex-ofex.exe"	proaxib.exe

Executes dropped EXE 2 IoCs

pid	Process
4552	proaxib.exe
2316	proaxib.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	proaxib.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	proaxib.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	proaxib.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	proaxib.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	proaxib.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	proaxib.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	proaxib.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	proaxib.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\ouvfabor.dll"	proaxib.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\akcoahooh.exe	proaxib.exe
File opened for modification	C:\Windows\SysWOW64\ouvfabor.dll	proaxib.exe
File opened for modification	C:\Windows\SysWOW64\proaxib.exe	proaxib.exe
File created	C:\Windows\SysWOW64\proaxib.exe	b7e2f51031b66bf4305a8b9955caaa36.exe
File opened for modification	C:\Windows\SysWOW64\nfoarex-ofex.exe	proaxib.exe
File created	C:\Windows\SysWOW64\akcoahooh.exe	proaxib.exe
File created	C:\Windows\SysWOW64\ouvfabor.dll	proaxib.exe
File opened for modification	C:\Windows\SysWOW64\proaxib.exe	b7e2f51031b66bf4305a8b9955caaa36.exe
File created	C:\Windows\SysWOW64\nfoarex-ofex.exe	proaxib.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
2316	proaxib.exe
2316	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe
4552	proaxib.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4540	b7e2f51031b66bf4305a8b9955caaa36.exe
Token: SeDebugPrivilege	4552	proaxib.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 4552	4540	b7e2f51031b66bf4305a8b9955caaa36.exe	90
PID 4540 wrote to memory of 4552	4540	b7e2f51031b66bf4305a8b9955caaa36.exe	90
PID 4540 wrote to memory of 4552	4540	b7e2f51031b66bf4305a8b9955caaa36.exe	90
PID 4552 wrote to memory of 612	4552	proaxib.exe	5
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 2316	4552	proaxib.exe	91
PID 4552 wrote to memory of 2316	4552	proaxib.exe	91
PID 4552 wrote to memory of 2316	4552	proaxib.exe	91
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56
PID 4552 wrote to memory of 3524	4552	proaxib.exe	56

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3524
- C:\Users\Admin\AppData\Local\Temp\b7e2f51031b66bf4305a8b9955caaa36.exe
  "C:\Users\Admin\AppData\Local\Temp\b7e2f51031b66bf4305a8b9955caaa36.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4540
- - C:\Windows\SysWOW64\proaxib.exe
    "C:\Windows\system32\proaxib.exe"
    3⤵
    - Windows security bypass
    - Modifies Installed Components in the registry
    - Sets file execution options in registry
    - Executes dropped EXE
    - Windows security modification
    - Modifies WinLogon
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4552
  - - C:\Windows\SysWOW64\proaxib.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2316

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 --field-trial-handle=4624,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=3404 /prefetch:8
1⤵
PID:320

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\akcoahooh.exe

Filesize
73KB

MD5
f35de16bcfb9553f15136dd85b47a02b

SHA1
5ede068dcbd439482accf64d49c61fe90b47ce76

SHA256
e9f94ff0d373c3a4151a53b16d8b9fa376c68538ea159d777fa12fe2da58a379

SHA512
8d1c2f479e527289223caf63afd4a43560c02525eec5541d87811aa5556b8bb1c13f86375de44e082d674fd2e5fbe4f5efd546797d2106a61dd8554d7dbaab25

Download Submit
C:\Windows\SysWOW64\nfoarex-ofex.exe

Filesize
74KB

MD5
26ed7d056f8006eafab273523c9e37f7

SHA1
3d5eba4984eb7562ca89a69c60e11a2c653f3c4b

SHA256
7518f4db99d71d36f273bddb72b1974a971d9d95a412a501123031a9f5b48dfd

SHA512
9fef1322e8763cd5a0ae1f194276d57449244213aa974e45c6aaa38e82d0e1b29ef9ea4193feb5450b2391bf093cd750ea765b8415f82a3861a3c0a637088325

Download Submit
C:\Windows\SysWOW64\ouvfabor.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\proaxib.exe

Filesize
71KB

MD5
b7e2f51031b66bf4305a8b9955caaa36

SHA1
4df2f8c5fd0d12a93de5b16f15d08c663615b9b6

SHA256
5a695e38fea044ea09564ebfbbe6eae0d29e840cea2fe2769f0aefe4194562a7

SHA512
89020c3a0955a46e80f1d544921360239732194a48362967146b24ad1f3fede77d44ce69192f16c8154c5f6fe6d457752606fb4354b2e91d7c92581c42093bcc

Download Submit
memory/2316-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4540-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4552-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download