3cf911bf7aeaeb9b90f46a58789ff59c8dda9db994467079a5c4fe9ecf8525a9

General

Target

3cf911bf7aeaeb9b90f46a58789ff59c8dda9db994467079a5c4fe9ecf8525a9.exe
Size

72KB
MD5

1860ebd99dddd0fa50ab60209e9a71d0
SHA1

b10c9423384c13f46d0fe341df51adc38dc5fc68
SHA256

3cf911bf7aeaeb9b90f46a58789ff59c8dda9db994467079a5c4fe9ecf8525a9
SHA512

a04edf41ab9ab3c1595327210191b15d824f30aa2b4d766fc0611f0d6d9e9bf5279c15339b6cb22f88a6522a7391685f89fa96c4c80fea9a014d84e2ea13720a
SSDEEP

1536:x0MoWELkdEwt74R6QJro0857l+bMxNs2QWCFueS:aMoWKkdEi74RLo0uaumjueS

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:

eancohat-oukex.exe

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

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

eancohat-oukex.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}	eancohat-oukex.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	eancohat-oukex.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\IsInstalled = "1"	eancohat-oukex.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\StubPath = "C:\\Windows\\system32\\oupsixit.exe"	eancohat-oukex.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

eancohat-oukex.exe

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

Executes dropped EXE 2 IoCs

Processes:

eancohat-oukex.exeeancohat-oukex.exe

pid process

3976 eancohat-oukex.exe
4408 eancohat-oukex.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

eancohat-oukex.exe

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

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

eancohat-oukex.exe

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

Drops file in System32 directory 9 IoCs

Processes:

3cf911bf7aeaeb9b90f46a58789ff59c8dda9db994467079a5c4fe9ecf8525a9.exeeancohat-oukex.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\eancohat-oukex.exe	3cf911bf7aeaeb9b90f46a58789ff59c8dda9db994467079a5c4fe9ecf8525a9.exe
File created	C:\Windows\SysWOW64\eancohat-oukex.exe	3cf911bf7aeaeb9b90f46a58789ff59c8dda9db994467079a5c4fe9ecf8525a9.exe
File opened for modification	C:\Windows\SysWOW64\oupsixit.exe	eancohat-oukex.exe
File created	C:\Windows\SysWOW64\uhpoobut.dll	eancohat-oukex.exe
File opened for modification	C:\Windows\SysWOW64\eancohat-oukex.exe	eancohat-oukex.exe
File opened for modification	C:\Windows\SysWOW64\uhcopead-ugat.exe	eancohat-oukex.exe
File created	C:\Windows\SysWOW64\uhcopead-ugat.exe	eancohat-oukex.exe
File created	C:\Windows\SysWOW64\oupsixit.exe	eancohat-oukex.exe
File opened for modification	C:\Windows\SysWOW64\uhpoobut.dll	eancohat-oukex.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

eancohat-oukex.exeeancohat-oukex.exe

pid	process
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
4408	eancohat-oukex.exe
4408	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe
3976	eancohat-oukex.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

eancohat-oukex.exe

description pid process

Token: SeDebugPrivilege 3976 eancohat-oukex.exe

description	pid	process
Token: SeDebugPrivilege	3976	eancohat-oukex.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

3cf911bf7aeaeb9b90f46a58789ff59c8dda9db994467079a5c4fe9ecf8525a9.exeeancohat-oukex.exe

description	pid	process	target process
PID 4820 wrote to memory of 3976	4820	3cf911bf7aeaeb9b90f46a58789ff59c8dda9db994467079a5c4fe9ecf8525a9.exe	eancohat-oukex.exe
PID 4820 wrote to memory of 3976	4820	3cf911bf7aeaeb9b90f46a58789ff59c8dda9db994467079a5c4fe9ecf8525a9.exe	eancohat-oukex.exe
PID 4820 wrote to memory of 3976	4820	3cf911bf7aeaeb9b90f46a58789ff59c8dda9db994467079a5c4fe9ecf8525a9.exe	eancohat-oukex.exe
PID 3976 wrote to memory of 612	3976	eancohat-oukex.exe	winlogon.exe
PID 3976 wrote to memory of 4408	3976	eancohat-oukex.exe	eancohat-oukex.exe
PID 3976 wrote to memory of 4408	3976	eancohat-oukex.exe	eancohat-oukex.exe
PID 3976 wrote to memory of 4408	3976	eancohat-oukex.exe	eancohat-oukex.exe
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE
PID 3976 wrote to memory of 3440	3976	eancohat-oukex.exe	Explorer.EXE

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3440
- C:\Users\Admin\AppData\Local\Temp\3cf911bf7aeaeb9b90f46a58789ff59c8dda9db994467079a5c4fe9ecf8525a9.exe
  "C:\Users\Admin\AppData\Local\Temp\3cf911bf7aeaeb9b90f46a58789ff59c8dda9db994467079a5c4fe9ecf8525a9.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4820
- - C:\Windows\SysWOW64\eancohat-oukex.exe
    "C:\Windows\SysWOW64\eancohat-oukex.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:3976
  - - C:\Windows\SysWOW64\eancohat-oukex.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:4408

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\eancohat-oukex.exe

Filesize
70KB

MD5
50b6006583d4d6470a5782dbf54007d8

SHA1
00f120341a036446f4cd33c2b85b22217350cc63

SHA256
5b17e9556c75553b1ec7cbb55d7b93e87540a76f38932997c2f1305493b32970

SHA512
c39be93095916949cc6e4d3574c7ce9fd4af2c3b1ba9c56098c1c3ae7747d91fbee4668dd8b498877f3e306d14b37b9230f28611c273b3cc2d689b61b19d6c12

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

Filesize
72KB

MD5
dd14ee4d5d285e86e4cf5c80fb2e7e37

SHA1
2da1c877111b4a2fa8878b5c0a2178d5b4134217

SHA256
c3e361ef401bf48099d7a652ca698e092b4d71dfce544ecf0902b59cdbc26b23

SHA512
afd31369cd3f43282c0886929dc050db2f6ecdccf7d29bc2ed8c3c321c2dca3c6fdb88cab3b3d92f0be90f444213106820389305c0a555a4dbea05b29f8f948c

Download Submit
C:\Windows\SysWOW64\uhcopead-ugat.exe

Filesize
73KB

MD5
d0f5583585d9b9b87455977ae2b2a2e8

SHA1
464c1612427a0c4940e567d873cd0d57f3c44994

SHA256
214d452ff2939b84890cb3ea82e55abf77abb9d4d4f06b832da4218ccd8506a1

SHA512
6f46077ba402b6918cc9f54d2fb2eb926e130505be9ea258f86f1109389b49e4ee702b3bcded28d5ed06dc2012c295f08e0fcd5c9fbf3fc050633ebc70852e3a

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
memory/3976-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4408-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4820-3-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads