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\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}	iffucan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	iffucan.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}\IsInstalled = "1"	iffucan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}\StubPath = "C:\\Windows\\system32\\ouhgasoor.exe"	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

4468 iffucan.exe
700 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\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 WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

iffucan.exe

description	ioc	process
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
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

Drops file in System32 directory 9 IoCs

Processes:

iffucan.exe76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

iffucan.exeiffucan.exe

pid	process
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
700	iffucan.exe
700	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe
4468	iffucan.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exeiffucan.exe

description	pid	process
Token: SeDebugPrivilege	4776	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe
Token: SeDebugPrivilege	4468	iffucan.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exeiffucan.exe

description	pid	process	target process
PID 4776 wrote to memory of 4468	4776	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe	iffucan.exe
PID 4776 wrote to memory of 4468	4776	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe	iffucan.exe
PID 4776 wrote to memory of 4468	4776	76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe	iffucan.exe
PID 4468 wrote to memory of 616	4468	iffucan.exe	winlogon.exe
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 700	4468	iffucan.exe	iffucan.exe
PID 4468 wrote to memory of 700	4468	iffucan.exe	iffucan.exe
PID 4468 wrote to memory of 700	4468	iffucan.exe	iffucan.exe
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE
PID 4468 wrote to memory of 3500	4468	iffucan.exe	Explorer.EXE

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3500

C:\Users\Admin\AppData\Local\Temp\76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe
"C:\Users\Admin\AppData\Local\Temp\76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd.exe"
2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4776

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
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468

C:\Windows\SysWOW64\iffucan.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:700

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\SysWOW64\axfafax.exe
Filesize
74KB

MD5
8aa0f12b6162f7ef5199e4dec214175b

SHA1
cf61c92e92458e4c8909b273505749dc47bc8239

SHA256
df08ec9cfeb0bfe77d7afe3f31347df8f44efa115aa247aea6f3d987b6f64df1

SHA512
3669d6223266c0d6795cc96315a38582f1ad29efd840be274920d06e1cb3f1b9bdf231b352996018029a190baf0829f2b442332082d1e47b1e303350bc4ec3e8

Download Submit
C:\Windows\SysWOW64\eassoteah.dll
Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\iffucan.exe
Filesize
71KB

MD5
3103fd8a950169dd7e4fa9fbd18be50c

SHA1
b8344d0f3aaa1afcd1aa9595dbe11578d80901b7

SHA256
76943d48221301ae0397e870babfc7c248d9aebd5497b12830e9551e852dfdfd

SHA512
66d639286c332f5d8a44d5d882483ed9acdedc86bb90b780388b9d2b2e89ae24afa3aee1e5e915c2b6b0e1dc6b7d76eb6b13561ae462adaf5c001601cb4d4c0c

Download Submit
C:\Windows\SysWOW64\ouhgasoor.exe
Filesize
73KB

MD5
de489fa62ceda024d163d1e0c419f0dc

SHA1
070f98b72b2cbe0c3570a6909ee74ea8310d77d5

SHA256
171280bfda669fe797f242a28af481a023e0118cc6dbf5d9acfd335974a6e7c0

SHA512
d0ed403eedad5909c40a0241ac6370eb155c007b44ed76e52ce4def0186b64c69cbfa25138b0cc29d8bc82b89cd61ca00e8c9a31f6baf9027d076a5dab217a62

Download Submit
memory/700-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4468-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4776-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads