b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
15/06/2024, 01:01

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General

Target

b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55.exe
Size

71KB
MD5

ed4963cb0cd838628dbe35491d7b1e1e
SHA1

a6ae9168cf3199ebebf7e0a01e96838d70c16396
SHA256

b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55
SHA512

0421949c480b34dd1a38f97704410eb7c6c84bd0a62c6d47879ad032a6658fa3cacebc7e4376fbd668f305afe4a60f49e8761e287d95e542f6bce7f8c01d65d2
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slb5:Olg35GTslA5t3/w8U

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"	omrexes-emix.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	omrexes-emix.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	omrexes-emix.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	omrexes-emix.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\{45494C41-5457-4557-4549-4C4154574557}	omrexes-emix.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{45494C41-5457-4557-4549-4C4154574557}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	omrexes-emix.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{45494C41-5457-4557-4549-4C4154574557}\IsInstalled = "1"	omrexes-emix.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{45494C41-5457-4557-4549-4C4154574557}\StubPath = "C:\\Windows\\system32\\evgukid.exe"	omrexes-emix.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	omrexes-emix.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	omrexes-emix.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ebloahob.exe"	omrexes-emix.exe

Executes dropped EXE 2 IoCs

pid	Process
1348	omrexes-emix.exe
2328	omrexes-emix.exe

Loads dropped DLL 3 IoCs

pid	Process
2232	b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55.exe
2232	b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55.exe
1348	omrexes-emix.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"	omrexes-emix.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	omrexes-emix.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	omrexes-emix.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	omrexes-emix.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}\DLLName = "C:\\Windows\\system32\\tneacuk-upeab.dll"	omrexes-emix.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	omrexes-emix.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	omrexes-emix.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	omrexes-emix.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	omrexes-emix.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\omrexes-emix.exe	b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55.exe
File created	C:\Windows\SysWOW64\omrexes-emix.exe	b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55.exe
File opened for modification	C:\Windows\SysWOW64\ebloahob.exe	omrexes-emix.exe
File created	C:\Windows\SysWOW64\evgukid.exe	omrexes-emix.exe
File opened for modification	C:\Windows\SysWOW64\tneacuk-upeab.dll	omrexes-emix.exe
File opened for modification	C:\Windows\SysWOW64\omrexes-emix.exe	omrexes-emix.exe
File created	C:\Windows\SysWOW64\ebloahob.exe	omrexes-emix.exe
File opened for modification	C:\Windows\SysWOW64\evgukid.exe	omrexes-emix.exe
File created	C:\Windows\SysWOW64\tneacuk-upeab.dll	omrexes-emix.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
2328	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe
1348	omrexes-emix.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2232	b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55.exe
Token: SeDebugPrivilege	1348	omrexes-emix.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 1348	2232	b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55.exe	28
PID 2232 wrote to memory of 1348	2232	b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55.exe	28
PID 2232 wrote to memory of 1348	2232	b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55.exe	28
PID 2232 wrote to memory of 1348	2232	b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55.exe	28
PID 1348 wrote to memory of 2328	1348	omrexes-emix.exe	29
PID 1348 wrote to memory of 2328	1348	omrexes-emix.exe	29
PID 1348 wrote to memory of 2328	1348	omrexes-emix.exe	29
PID 1348 wrote to memory of 2328	1348	omrexes-emix.exe	29
PID 1348 wrote to memory of 420	1348	omrexes-emix.exe	5
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21
PID 1348 wrote to memory of 1216	1348	omrexes-emix.exe	21

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:420

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55.exe
  "C:\Users\Admin\AppData\Local\Temp\b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Windows\SysWOW64\omrexes-emix.exe
    "C:\Windows\system32\omrexes-emix.exe"
    3⤵
    - Windows security bypass
    - Modifies Installed Components in the registry
    - Sets file execution options in registry
    - Executes dropped EXE
    - Loads dropped DLL
    - Windows security modification
    - Modifies WinLogon
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1348
  - - C:\Windows\SysWOW64\omrexes-emix.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2328

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

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Downloads

C:\Windows\SysWOW64\ebloahob.exe

Filesize
74KB

MD5
99080773c5f917c891097e39115da957

SHA1
bb9d30dfcda36f3630adb3dafc006dc44f3524e3

SHA256
03c1534e5447032bdd29f7ac1ca61ac2451b62fb39bb58f35905e3153a3f71df

SHA512
fb3544d27290ec556bfbfe6faa4465b93396ffeca278964b1302550d8ec2cd2f5cdcdf3d29f3987192b274e680c7f3e74eca63e3d915a2eb5da3555a8bb9e761

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

Filesize
73KB

MD5
7408add3a9d4696f0d65b2d6b570ad9e

SHA1
d7863f447c3456151e512520c49b443e0ee79091

SHA256
7a0ea6b8a548d727a27398cfddf232ac75c8458ad1576f935f9a51bef6c3598f

SHA512
c9872667fe9dbbaf9d8f5df951337e574829815a3adc84dbf9e68dc075ee084220dfda0320853793a82b368df0e52c8eb33c174862f69b175ac6c7955017eb96

Download Submit
C:\Windows\SysWOW64\tneacuk-upeab.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
\Windows\SysWOW64\omrexes-emix.exe

Filesize
71KB

MD5
ed4963cb0cd838628dbe35491d7b1e1e

SHA1
a6ae9168cf3199ebebf7e0a01e96838d70c16396

SHA256
b20628a6511734c80c7b24dfb73737f399e1dd71bbdae375a9e6f4aee2676f55

SHA512
0421949c480b34dd1a38f97704410eb7c6c84bd0a62c6d47879ad032a6658fa3cacebc7e4376fbd668f305afe4a60f49e8761e287d95e542f6bce7f8c01d65d2

Download Submit
memory/1348-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2232-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2328-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download