de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370

General

Target

de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
Size

308KB
MD5

1f546ffdebfbd9d3a694437a3bc03f40
SHA1

313a687a522119cb02c93f87f8b8aba1ded062b0
SHA256

de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370
SHA512

57e675739905e2ff76df8b039832f592f008471d248b272655fe53002f36e36c82d2b7e5c9f31fc2cb7007689faf213e854acf3f688efaf2d71c1bc403bb28d2
SSDEEP

3072:J3BEmcynKkAhDQMXR/zJv4OjZe4gZTUHwkK8hmDA4dCuh8PMAGLNVVgiIMU3BDkg:FCGMzXR/zjjZe4owHe8hAAKX8PgNpk

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exefouokoh.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	fouokoh.exe

Executes dropped EXE 1 IoCs

Processes:

fouokoh.exe

pid process

2028 fouokoh.exe

pid	process
2028	fouokoh.exe

Loads dropped DLL 2 IoCs

Processes:

de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe

pid	process
1232	de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
1232	de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe

Adds Run key to start application 2 TTPs 28 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

fouokoh.exede073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /t"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /r"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /k"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /i"	de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /c"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /w"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /j"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /m"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /y"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /o"	fouokoh.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /p"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /i"	fouokoh.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\	de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /s"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /d"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /q"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /g"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /h"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /b"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /z"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /e"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /x"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /n"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /a"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /v"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /u"	fouokoh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fouokoh = "C:\\Users\\Admin\\fouokoh.exe /l"	fouokoh.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exefouokoh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	fouokoh.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	fouokoh.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exefouokoh.exe

pid	process
1232	de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe
2028	fouokoh.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exefouokoh.exe

pid process

1232 de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
2028 fouokoh.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe

description	pid	process	target process
PID 1232 wrote to memory of 2028	1232	de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe	fouokoh.exe
PID 1232 wrote to memory of 2028	1232	de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe	fouokoh.exe
PID 1232 wrote to memory of 2028	1232	de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe	fouokoh.exe
PID 1232 wrote to memory of 2028	1232	de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe	fouokoh.exe

C:\Users\Admin\AppData\Local\Temp\de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
"C:\Users\Admin\AppData\Local\Temp\de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1232

C:\Users\Admin\fouokoh.exe
"C:\Users\Admin\fouokoh.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2028

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\fouokoh.exe
Filesize
308KB

MD5
1f546ffdebfbd9d3a694437a3bc03f40

SHA1
313a687a522119cb02c93f87f8b8aba1ded062b0

SHA256
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370

SHA512
57e675739905e2ff76df8b039832f592f008471d248b272655fe53002f36e36c82d2b7e5c9f31fc2cb7007689faf213e854acf3f688efaf2d71c1bc403bb28d2

Download Submit
C:\Users\Admin\fouokoh.exe
Filesize
308KB

MD5
1f546ffdebfbd9d3a694437a3bc03f40

SHA1
313a687a522119cb02c93f87f8b8aba1ded062b0

SHA256
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370

SHA512
57e675739905e2ff76df8b039832f592f008471d248b272655fe53002f36e36c82d2b7e5c9f31fc2cb7007689faf213e854acf3f688efaf2d71c1bc403bb28d2

Download Submit
\Users\Admin\fouokoh.exe
Filesize
308KB

MD5
1f546ffdebfbd9d3a694437a3bc03f40

SHA1
313a687a522119cb02c93f87f8b8aba1ded062b0

SHA256
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370

SHA512
57e675739905e2ff76df8b039832f592f008471d248b272655fe53002f36e36c82d2b7e5c9f31fc2cb7007689faf213e854acf3f688efaf2d71c1bc403bb28d2

Download Submit
\Users\Admin\fouokoh.exe
Filesize
308KB

MD5
1f546ffdebfbd9d3a694437a3bc03f40

SHA1
313a687a522119cb02c93f87f8b8aba1ded062b0

SHA256
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370

SHA512
57e675739905e2ff76df8b039832f592f008471d248b272655fe53002f36e36c82d2b7e5c9f31fc2cb7007689faf213e854acf3f688efaf2d71c1bc403bb28d2

Download Submit
memory/1232-56-0x0000000075991000-0x0000000075993000-memory.dmp

Filesize
8KB

Download
memory/1232-63-0x0000000073B61000-0x0000000073B63000-memory.dmp

Filesize
8KB

Download
memory/2028-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads