ef43f4fa43f2d2c1c1daf8490104437689001f4e193f71b1cde64f25beb01773

Analysis

max time kernel
149s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 04:19

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General

Target

ef43f4fa43f2d2c1c1daf8490104437689001f4e193f71b1cde64f25beb01773.exe
Size

70KB
MD5

74fee5f3d44497bda08a9a2d2424b9f6
SHA1

df45e92bf2ae404c50dd9e6b7b9d95eedb30283b
SHA256

ef43f4fa43f2d2c1c1daf8490104437689001f4e193f71b1cde64f25beb01773
SHA512

91c3eeb2c51927c38e4db3c0175e3c1e86372f0098cb03efbe0f2c71aac984e377cc4b673d2e9d9694c713eaee1e3edc10141db15ec15704c0f8e2280cb437ac
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8vP:Olg35GTslA5t3/w8H

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"	ehbahig.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ehbahig.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ehbahig.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ehbahig.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\{484E4F50-4d4c-5059-484E-4F504D4C5059}	ehbahig.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{484E4F50-4d4c-5059-484E-4F504D4C5059}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ehbahig.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{484E4F50-4d4c-5059-484E-4F504D4C5059}\IsInstalled = "1"	ehbahig.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{484E4F50-4d4c-5059-484E-4F504D4C5059}\StubPath = "C:\\Windows\\system32\\ifxoomax-ifoot.exe"	ehbahig.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ounmenax.exe"	ehbahig.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	ehbahig.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	ehbahig.exe

Executes dropped EXE 2 IoCs

pid	Process
2060	ehbahig.exe
2812	ehbahig.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"	ehbahig.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ehbahig.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ehbahig.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ehbahig.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}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	ehbahig.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\ussikaf.dll"	ehbahig.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	ehbahig.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	ehbahig.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	ehbahig.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ehbahig.exe	ef43f4fa43f2d2c1c1daf8490104437689001f4e193f71b1cde64f25beb01773.exe
File created	C:\Windows\SysWOW64\ehbahig.exe	ef43f4fa43f2d2c1c1daf8490104437689001f4e193f71b1cde64f25beb01773.exe
File opened for modification	C:\Windows\SysWOW64\ounmenax.exe	ehbahig.exe
File created	C:\Windows\SysWOW64\ounmenax.exe	ehbahig.exe
File opened for modification	C:\Windows\SysWOW64\ifxoomax-ifoot.exe	ehbahig.exe
File opened for modification	C:\Windows\SysWOW64\ussikaf.dll	ehbahig.exe
File opened for modification	C:\Windows\SysWOW64\ehbahig.exe	ehbahig.exe
File created	C:\Windows\SysWOW64\ifxoomax-ifoot.exe	ehbahig.exe
File created	C:\Windows\SysWOW64\ussikaf.dll	ehbahig.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2812	ehbahig.exe
2812	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe
2060	ehbahig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3272	ef43f4fa43f2d2c1c1daf8490104437689001f4e193f71b1cde64f25beb01773.exe
Token: SeDebugPrivilege	2060	ehbahig.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 2060	3272	ef43f4fa43f2d2c1c1daf8490104437689001f4e193f71b1cde64f25beb01773.exe	83
PID 3272 wrote to memory of 2060	3272	ef43f4fa43f2d2c1c1daf8490104437689001f4e193f71b1cde64f25beb01773.exe	83
PID 3272 wrote to memory of 2060	3272	ef43f4fa43f2d2c1c1daf8490104437689001f4e193f71b1cde64f25beb01773.exe	83
PID 2060 wrote to memory of 616	2060	ehbahig.exe	5
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 2812	2060	ehbahig.exe	84
PID 2060 wrote to memory of 2812	2060	ehbahig.exe	84
PID 2060 wrote to memory of 2812	2060	ehbahig.exe	84
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56
PID 2060 wrote to memory of 3440	2060	ehbahig.exe	56

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3440
- C:\Users\Admin\AppData\Local\Temp\ef43f4fa43f2d2c1c1daf8490104437689001f4e193f71b1cde64f25beb01773.exe
  "C:\Users\Admin\AppData\Local\Temp\ef43f4fa43f2d2c1c1daf8490104437689001f4e193f71b1cde64f25beb01773.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3272
- - C:\Windows\SysWOW64\ehbahig.exe
    "C:\Windows\system32\ehbahig.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:2060
  - - C:\Windows\SysWOW64\ehbahig.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2812

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\ehbahig.exe

Filesize
70KB

MD5
74fee5f3d44497bda08a9a2d2424b9f6

SHA1
df45e92bf2ae404c50dd9e6b7b9d95eedb30283b

SHA256
ef43f4fa43f2d2c1c1daf8490104437689001f4e193f71b1cde64f25beb01773

SHA512
91c3eeb2c51927c38e4db3c0175e3c1e86372f0098cb03efbe0f2c71aac984e377cc4b673d2e9d9694c713eaee1e3edc10141db15ec15704c0f8e2280cb437ac

Download Submit
C:\Windows\SysWOW64\ifxoomax-ifoot.exe

Filesize
72KB

MD5
e42c2dcbd597f13b0229d6bcb24d8ade

SHA1
dc5b3fad48284250d9ea47e2e7545d6851403f78

SHA256
36d888af7f854bea6c2feef61d3422091befcb958c2bec3d368d9a048f668b65

SHA512
3f82649150b7a57dde13d79bfbedea4700e3b2d47a13d85d526e222e398e9748f38295dcf152d209f4422a9386a93335ea6887e377274c6fb4ef79444659e701

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

Filesize
73KB

MD5
b0d6c4680ef804e3600364d20a9ff8d5

SHA1
edab9153fc0f50a78c672665407c988381dd1603

SHA256
c2348a340d0cc662ec03775ee8ab2f869b70842649ddbc0e865111da0863ab93

SHA512
18a3733ede7a4d86bf97c39ec665843d5d9199b3c97fe3f0deae9c3ed65c067c71ca79732763ad3b7d7c2c40cf20eba0f4a231580f822b343a5b5c74ada3d44b

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
memory/2060-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2812-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3272-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download