3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee

General

Target

3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exe
Size

72KB
MD5

1d129dc331921af5576f88651534d040
SHA1

1ecc261760e4a3de383a0926f7cd4d1f9eba3143
SHA256

3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee
SHA512

46562bd9e19cc65913d3974e63e101fb64e9ddc0f88d3ab124d55854508c363ea1aea8244725ed090bc7633204b1c1e0f2f16479bd05f5a32a6ccf6c40a41070
SSDEEP

768:x/n3i1kK4GJrydY8O8oM+9asPW+JXr7QILPcMLopRgVdfbII8CQ7QHt08FIsAYaL:x7K8Y1XVVkgVdrI7Q3FIskXJYWL

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

Processes:

adguceac-acum.exe

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

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

adguceac-acum.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}	adguceac-acum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	adguceac-acum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}\IsInstalled = "1"	adguceac-acum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}\StubPath = "C:\\Windows\\system32\\ibrohoad-amor.exe"	adguceac-acum.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

adguceac-acum.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	adguceac-acum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	adguceac-acum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\irbored-efoas.exe"	adguceac-acum.exe

Executes dropped EXE 2 IoCs

Processes:

adguceac-acum.exeadguceac-acum.exe

pid process

1700 adguceac-acum.exe
1172 adguceac-acum.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

adguceac-acum.exe

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

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

adguceac-acum.exe

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

Drops file in System32 directory 9 IoCs

Processes:

3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exeadguceac-acum.exe

description	ioc	process
File created	C:\Windows\SysWOW64\adguceac-acum.exe	3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exe
File opened for modification	C:\Windows\SysWOW64\irbored-efoas.exe	adguceac-acum.exe
File opened for modification	C:\Windows\SysWOW64\emroakan-usix.dll	adguceac-acum.exe
File opened for modification	C:\Windows\SysWOW64\adguceac-acum.exe	3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exe
File opened for modification	C:\Windows\SysWOW64\ibrohoad-amor.exe	adguceac-acum.exe
File created	C:\Windows\SysWOW64\ibrohoad-amor.exe	adguceac-acum.exe
File created	C:\Windows\SysWOW64\emroakan-usix.dll	adguceac-acum.exe
File opened for modification	C:\Windows\SysWOW64\adguceac-acum.exe	adguceac-acum.exe
File created	C:\Windows\SysWOW64\irbored-efoas.exe	adguceac-acum.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

adguceac-acum.exeadguceac-acum.exe

pid	process
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1172	adguceac-acum.exe
1172	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe
1700	adguceac-acum.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

adguceac-acum.exe

description pid process

Token: SeDebugPrivilege 1700 adguceac-acum.exe

description	pid	process
Token: SeDebugPrivilege	1700	adguceac-acum.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exeadguceac-acum.exe

description	pid	process	target process
PID 912 wrote to memory of 1700	912	3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exe	adguceac-acum.exe
PID 912 wrote to memory of 1700	912	3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exe	adguceac-acum.exe
PID 912 wrote to memory of 1700	912	3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exe	adguceac-acum.exe
PID 1700 wrote to memory of 1172	1700	adguceac-acum.exe	adguceac-acum.exe
PID 1700 wrote to memory of 1172	1700	adguceac-acum.exe	adguceac-acum.exe
PID 1700 wrote to memory of 1172	1700	adguceac-acum.exe	adguceac-acum.exe
PID 1700 wrote to memory of 612	1700	adguceac-acum.exe	winlogon.exe
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE
PID 1700 wrote to memory of 3500	1700	adguceac-acum.exe	Explorer.EXE

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3500
- C:\Users\Admin\AppData\Local\Temp\3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exe
  "C:\Users\Admin\AppData\Local\Temp\3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:912
- - C:\Windows\SysWOW64\adguceac-acum.exe
    "C:\Windows\SysWOW64\adguceac-acum.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:1700
  - - C:\Windows\SysWOW64\adguceac-acum.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:1172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\adguceac-acum.exe

Filesize
70KB

MD5
005259a9d7f0efce1d4f2edd56961d6e

SHA1
c0887b34e8cc62bc6c4c78b3955b292fbae40ab2

SHA256
4245d1a22cfeaea32905406ebf0e366ca07cbc5f94c8867ea914de44c8730468

SHA512
dfef0bfc712bdc0346a9480bd0b7420cb1345ef4c2c0e071f18a20db98eef8fcb7b2b5936ef68a1cf0c8329411fadfd6e620bcd192319d2b60c7048c0376c268

Download Submit
C:\Windows\SysWOW64\emroakan-usix.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\ibrohoad-amor.exe

Filesize
72KB

MD5
53d44416bff21c7867d58c16c3c03695

SHA1
8d1280fb421989d1e35e9401c8ba52eeacc7004b

SHA256
c0116d758eb471ce0c8a041118f4b9225225d9e24a86efdc020fb0c259a34348

SHA512
391dc5a457bd3f5824595eeef4e9ee6c1abecf2d2a2a84c747c0090df57c359878c70625b581729538de9ede1d3dcc9cc1a1a37aec422443b83b9fba6fad24c9

Download Submit
C:\Windows\SysWOW64\irbored-efoas.exe

Filesize
73KB

MD5
aa89fba6af487c15195a8925a1cac611

SHA1
0270519e881464a01c258366f5522ef6616f5c52

SHA256
fe24b5dffda9d9fe79de97e41928e802548e62819e498b2dc9f395ee5f434894

SHA512
77a974c7e62f684df9d4b655843ef0ca75e4899a78072cb962d40b29f1157df58e4907827db8a3653f003efed45ee7ca718f0321770f74317c49ba852e3560da

Download Submit
memory/912-3-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1172-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1700-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads