76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd

General

Target

76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe
Size

71KB
MD5

3103fd8a950169dd7e4fa9fbd18be50c
SHA1

b8344d0f3aaa1afcd1aa9595dbe11578d80901b7
SHA256

76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd
SHA512

66d639286c332f5d8a44d5d882483ed9acdedc86bb90b780388b9d2b2e89ae24afa3aee1e5e915c2b6b0e1dc6b7d76eb6b13561ae462adaf5c001601cb4d4c0c
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slJv:Olg35GTslA5t3/w8yv

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:

iffucan.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	iffucan.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	iffucan.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	iffucan.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	iffucan.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

iffucan.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\StubPath = "C:\\Windows\\system32\\ouhgasoor.exe"	iffucan.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}	iffucan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	iffucan.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\IsInstalled = "1"	iffucan.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

iffucan.exe

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

Executes dropped EXE 2 IoCs

Processes:

iffucan.exeiffucan.exe

pid process

2188 iffucan.exe
2092 iffucan.exe

Loads dropped DLL 3 IoCs

Processes:

76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exeiffucan.exe

pid	process
1928	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe
1928	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe
2188	iffucan.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

iffucan.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	iffucan.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	iffucan.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	iffucan.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	iffucan.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

iffucan.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	iffucan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\eassoteah.dll"	iffucan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	iffucan.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	iffucan.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	iffucan.exe

Drops file in System32 directory 9 IoCs

Processes:

76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exeiffucan.exe

description	ioc	process
File created	C:\Windows\SysWOW64\iffucan.exe	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe
File opened for modification	C:\Windows\SysWOW64\ouhgasoor.exe	iffucan.exe
File created	C:\Windows\SysWOW64\ouhgasoor.exe	iffucan.exe
File opened for modification	C:\Windows\SysWOW64\eassoteah.dll	iffucan.exe
File opened for modification	C:\Windows\SysWOW64\iffucan.exe	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe
File created	C:\Windows\SysWOW64\axfafax.exe	iffucan.exe
File created	C:\Windows\SysWOW64\eassoteah.dll	iffucan.exe
File opened for modification	C:\Windows\SysWOW64\iffucan.exe	iffucan.exe
File opened for modification	C:\Windows\SysWOW64\axfafax.exe	iffucan.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

iffucan.exeiffucan.exe

pid	process
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2092	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe
2188	iffucan.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exeiffucan.exe

description	pid	process
Token: SeDebugPrivilege	1928	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe
Token: SeDebugPrivilege	2188	iffucan.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exeiffucan.exe

description	pid	process	target process
PID 1928 wrote to memory of 2188	1928	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe	iffucan.exe
PID 1928 wrote to memory of 2188	1928	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe	iffucan.exe
PID 1928 wrote to memory of 2188	1928	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe	iffucan.exe
PID 1928 wrote to memory of 2188	1928	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe	iffucan.exe
PID 2188 wrote to memory of 432	2188	iffucan.exe	winlogon.exe
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 2092	2188	iffucan.exe	iffucan.exe
PID 2188 wrote to memory of 2092	2188	iffucan.exe	iffucan.exe
PID 2188 wrote to memory of 2092	2188	iffucan.exe	iffucan.exe
PID 2188 wrote to memory of 2092	2188	iffucan.exe	iffucan.exe
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE
PID 2188 wrote to memory of 1232	2188	iffucan.exe	Explorer.EXE

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232

C:\Users\Admin\AppData\Local\Temp\76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe
"C:\Users\Admin\AppData\Local\Temp\76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe"
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\iffucan.exe
"C:\Windows\system32\iffucan.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:2188

C:\Windows\SysWOW64\iffucan.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2092

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\axfafax.exe

Filesize
74KB

MD5
12d08dd80ab124ee36537f92b545d3cf

SHA1
092f2aee2e9d1cfb79982c462d9e1614dcf9f1c1

SHA256
dd35102b085852a3169d4e623ee5db786963e5a57d307ddfb73381178bfbb68e

SHA512
5819c0ec6f51647c8f60455e6cc025011e732e97c57d9c98334e8d4f748176706cdd0c294db431e5ec383c35fd3a88a6e55473b780e84773b3e2e64e443820df

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

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

Filesize
73KB

MD5
f016e161f84b2e7c718eeb9ab8e91008

SHA1
41add728aa3ae6605436a3f963a790f417947d53

SHA256
98e2ddce6316ab8870d6cb5ee40a0a8f28963a22d9a49f1f8f6c9288270aa702

SHA512
7419387314decadeb7c72e979a9bae043bbf87cc1b78fb62ffa44b38dc775819eb01322b0670731bc764461b9abdd66578053d5d7be586ae3ab1663db14de02c

Download Submit
\Windows\SysWOW64\iffucan.exe

Filesize
71KB

MD5
3103fd8a950169dd7e4fa9fbd18be50c

SHA1
b8344d0f3aaa1afcd1aa9595dbe11578d80901b7

SHA256
76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd

SHA512
66d639286c332f5d8a44d5d882483ed9acdedc86bb90b780388b9d2b2e89ae24afa3aee1e5e915c2b6b0e1dc6b7d76eb6b13561ae462adaf5c001601cb4d4c0c

Download Submit
memory/1928-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2092-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2188-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads