227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5

General

Target

227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.exe
Size

260KB
MD5

4c3562c2a374248c5911903389304a30
SHA1

e0c6d539c710a2e74d0838877008db83a6b82884
SHA256

227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5
SHA512

7f4297e4c1ae339ff7d4b86a5caf135248a0754c03e48c13e35164e030f8839718ebf859bb434f9963e930a1674bcb58baf76b0ebc99092c1c13378b46f38008
SSDEEP

6144:WdbtGgTSrMaIl/jcLijfHFEHWzXvjT85R:WrTSrMaIqLlI/H85R

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

coeuv.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	coeuv.exe

Executes dropped EXE 1 IoCs

Processes:

coeuv.exe

pid process

2008 coeuv.exe

Loads dropped DLL 2 IoCs

Processes:

227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.exe

pid	process
1200	227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.exe
1200	227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.exe

Adds Run key to start application 2 TTPs 50 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

coeuv.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /V"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /j"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /X"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /H"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /q"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /I"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /s"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /N"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /F"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /G"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /m"	coeuv.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /Y"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /O"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /e"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /P"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /x"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /z"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /S"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /R"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /Z"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /W"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /a"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /y"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /J"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /M"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /o"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /v"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /w"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /B"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /K"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /l"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /C"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /p"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /i"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /L"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /T"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /b"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /n"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /D"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /U"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /E"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /t"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /d"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /g"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /c"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /r"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /A"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /f"	coeuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coeuv = "C:\\Users\\Admin\\coeuv.exe /k"	coeuv.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:

coeuv.exe

pid	process
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe
2008	coeuv.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.execoeuv.exe

pid process

1200 227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.exe
2008 coeuv.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.exe

description	pid	process	target process
PID 1200 wrote to memory of 2008	1200	227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.exe	coeuv.exe
PID 1200 wrote to memory of 2008	1200	227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.exe	coeuv.exe
PID 1200 wrote to memory of 2008	1200	227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.exe	coeuv.exe
PID 1200 wrote to memory of 2008	1200	227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.exe	coeuv.exe

C:\Users\Admin\AppData\Local\Temp\227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.exe
"C:\Users\Admin\AppData\Local\Temp\227ad5a386d2e09e2d24d5bde2025eca7d2eaa232540da3a26829149aeb82ce5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\coeuv.exe
"C:\Users\Admin\coeuv.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2008

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\coeuv.exe
Filesize
260KB

MD5
a5e6d07d175be03f06e2d357bebdd159

SHA1
52d21ead41c4fd441866ec5ceed6d45cf9df8d09

SHA256
13f99bcf610befbc47c933ae7f5bb30a2917a02175152433e435609824d3e85a

SHA512
5d1eec3e899e09bac600dd699542bac01e996048a99b14cd724fc9214c7e14d3a687a166d20c03c15a102de13a1573bc6e72e35c80b22b05e036737568e1e19b

Download Submit
C:\Users\Admin\coeuv.exe
Filesize
260KB

MD5
a5e6d07d175be03f06e2d357bebdd159

SHA1
52d21ead41c4fd441866ec5ceed6d45cf9df8d09

SHA256
13f99bcf610befbc47c933ae7f5bb30a2917a02175152433e435609824d3e85a

SHA512
5d1eec3e899e09bac600dd699542bac01e996048a99b14cd724fc9214c7e14d3a687a166d20c03c15a102de13a1573bc6e72e35c80b22b05e036737568e1e19b

Download Submit
\Users\Admin\coeuv.exe
Filesize
260KB

MD5
a5e6d07d175be03f06e2d357bebdd159

SHA1
52d21ead41c4fd441866ec5ceed6d45cf9df8d09

SHA256
13f99bcf610befbc47c933ae7f5bb30a2917a02175152433e435609824d3e85a

SHA512
5d1eec3e899e09bac600dd699542bac01e996048a99b14cd724fc9214c7e14d3a687a166d20c03c15a102de13a1573bc6e72e35c80b22b05e036737568e1e19b

Download Submit
\Users\Admin\coeuv.exe
Filesize
260KB

MD5
a5e6d07d175be03f06e2d357bebdd159

SHA1
52d21ead41c4fd441866ec5ceed6d45cf9df8d09

SHA256
13f99bcf610befbc47c933ae7f5bb30a2917a02175152433e435609824d3e85a

SHA512
5d1eec3e899e09bac600dd699542bac01e996048a99b14cd724fc9214c7e14d3a687a166d20c03c15a102de13a1573bc6e72e35c80b22b05e036737568e1e19b

Download Submit
memory/1200-56-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/2008-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads