ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2

General

Target

ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2.exe
Size

344KB
MD5

8ef340dc1e28f88bb10a811c41639845
SHA1

d2c5f44f9b59f3cc80f875068a3d0dc32866580d
SHA256

ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2
SHA512

5e3e57cd5ca2d17dbe4a72539cdc03160dd29f877be05a88a170e9f04b75c279de7c8596ad7286e1b2aa4e5efe4a37125eb3c42b14b096b37166eea6886d4118
SSDEEP

6144:v4CIw/VBS+hXLAqAJdoYXWCrjNnBnnq6qIp/phbbUo30b3R6iw:ACNVBS+h7A5zXWCXNnBnnqxIxjUHb0l

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

yehekac.exe

pid process

1380 yehekac.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1376 cmd.exe
Loads dropped DLL 3 IoCs

Processes:

cmd.exeyehekac.exe

pid process

1376 cmd.exe
1376 cmd.exe
1380 yehekac.exe

pid	process
1376	cmd.exe

pid	process
1376	cmd.exe
1376	cmd.exe
1380	yehekac.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2.exe

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

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

268 taskkill.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1476 PING.EXE

pid	process
268	taskkill.exe

pid	process
1476	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

Processes:

yehekac.exe

pid	process
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe
1380	yehekac.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 268 taskkill.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

yehekac.exe

pid process

1380 yehekac.exe
1380 yehekac.exe
1380 yehekac.exe
1380 yehekac.exe
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

yehekac.exe

pid process

1380 yehekac.exe
1380 yehekac.exe
1380 yehekac.exe
1380 yehekac.exe

description	pid	process
Token: SeDebugPrivilege	268	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2.execmd.exe

description	pid	process	target process
PID 1404 wrote to memory of 1376	1404	ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2.exe	cmd.exe
PID 1404 wrote to memory of 1376	1404	ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2.exe	cmd.exe
PID 1404 wrote to memory of 1376	1404	ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2.exe	cmd.exe
PID 1404 wrote to memory of 1376	1404	ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2.exe	cmd.exe
PID 1376 wrote to memory of 268	1376	cmd.exe	taskkill.exe
PID 1376 wrote to memory of 268	1376	cmd.exe	taskkill.exe
PID 1376 wrote to memory of 268	1376	cmd.exe	taskkill.exe
PID 1376 wrote to memory of 268	1376	cmd.exe	taskkill.exe
PID 1376 wrote to memory of 1476	1376	cmd.exe	PING.EXE
PID 1376 wrote to memory of 1476	1376	cmd.exe	PING.EXE
PID 1376 wrote to memory of 1476	1376	cmd.exe	PING.EXE
PID 1376 wrote to memory of 1476	1376	cmd.exe	PING.EXE
PID 1376 wrote to memory of 1380	1376	cmd.exe	yehekac.exe
PID 1376 wrote to memory of 1380	1376	cmd.exe	yehekac.exe
PID 1376 wrote to memory of 1380	1376	cmd.exe	yehekac.exe
PID 1376 wrote to memory of 1380	1376	cmd.exe	yehekac.exe

C:\Users\Admin\AppData\Local\Temp\ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2.exe
"C:\Users\Admin\AppData\Local\Temp\ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1404

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1404 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2.exe" & start C:\Users\Admin\AppData\Local\yehekac.exe -f
2⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1376

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /pid 1404
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:268

C:\Windows\SysWOW64\PING.EXE
ping -n 3 127.1
3⤵
- Runs ping.exe
PID:1476

C:\Users\Admin\AppData\Local\yehekac.exe
C:\Users\Admin\AppData\Local\yehekac.exe -f
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1380

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\yehekac.exe

Filesize
344KB

MD5
8ef340dc1e28f88bb10a811c41639845

SHA1
d2c5f44f9b59f3cc80f875068a3d0dc32866580d

SHA256
ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2

SHA512
5e3e57cd5ca2d17dbe4a72539cdc03160dd29f877be05a88a170e9f04b75c279de7c8596ad7286e1b2aa4e5efe4a37125eb3c42b14b096b37166eea6886d4118

Download Submit
C:\Users\Admin\AppData\Local\yehekac.exe

Filesize
344KB

MD5
8ef340dc1e28f88bb10a811c41639845

SHA1
d2c5f44f9b59f3cc80f875068a3d0dc32866580d

SHA256
ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2

SHA512
5e3e57cd5ca2d17dbe4a72539cdc03160dd29f877be05a88a170e9f04b75c279de7c8596ad7286e1b2aa4e5efe4a37125eb3c42b14b096b37166eea6886d4118

Download Submit
\Users\Admin\AppData\Local\yehekac.exe

Filesize
344KB

MD5
8ef340dc1e28f88bb10a811c41639845

SHA1
d2c5f44f9b59f3cc80f875068a3d0dc32866580d

SHA256
ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2

SHA512
5e3e57cd5ca2d17dbe4a72539cdc03160dd29f877be05a88a170e9f04b75c279de7c8596ad7286e1b2aa4e5efe4a37125eb3c42b14b096b37166eea6886d4118

Download Submit
\Users\Admin\AppData\Local\yehekac.exe

Filesize
344KB

MD5
8ef340dc1e28f88bb10a811c41639845

SHA1
d2c5f44f9b59f3cc80f875068a3d0dc32866580d

SHA256
ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2

SHA512
5e3e57cd5ca2d17dbe4a72539cdc03160dd29f877be05a88a170e9f04b75c279de7c8596ad7286e1b2aa4e5efe4a37125eb3c42b14b096b37166eea6886d4118

Download Submit
\Users\Admin\AppData\Local\yehekac.exe

Filesize
344KB

MD5
8ef340dc1e28f88bb10a811c41639845

SHA1
d2c5f44f9b59f3cc80f875068a3d0dc32866580d

SHA256
ddc90212ed71aa910a7a7b6c2b71f8c96b519113ea46f8a9e1dcdffebb5d94c2

SHA512
5e3e57cd5ca2d17dbe4a72539cdc03160dd29f877be05a88a170e9f04b75c279de7c8596ad7286e1b2aa4e5efe4a37125eb3c42b14b096b37166eea6886d4118

Download Submit
memory/268-58-0x0000000000000000-mapping.dmp

Download
memory/1376-56-0x0000000000000000-mapping.dmp

Download
memory/1380-63-0x0000000000000000-mapping.dmp

Download
memory/1380-67-0x0000000001000000-0x00000000010B1000-memory.dmp

Filesize
708KB

Download
memory/1380-68-0x0000000001000000-0x00000000010B1000-memory.dmp

Filesize
708KB

Download
memory/1404-57-0x0000000001000000-0x00000000010B1000-memory.dmp

Filesize
708KB

Download
memory/1404-54-0x0000000075881000-0x0000000075883000-memory.dmp

Filesize
8KB

Download
memory/1404-55-0x0000000001000000-0x00000000010B1000-memory.dmp

Filesize
708KB

Download
memory/1476-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads