f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8

General

Target

f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe
Size

62KB
MD5

d55debae7e5587c13005e43c05d2f1f0
SHA1

734d02cc5f9ca76ebc44084582af07997a657cb9
SHA256

f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8
SHA512

076ae8b41d7fa125beb136d47c2cc4d790abbabc004019216aae2cba21d428561d602459b4184fa8e398f5b46078443e92a080cd72e892702422679c53917ff7

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 4 IoCs

Processes:

moveclass.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	moveclass.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	moveclass.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	moveclass.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	moveclass.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 3 IoCs

Processes:

moveclass.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	moveclass.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	moveclass.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	moveclass.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

moveclass.exe

pid	process
1560	moveclass.exe
1560	moveclass.exe
1560	moveclass.exe
1560	moveclass.exe
1560	moveclass.exe
1560	moveclass.exe
1560	moveclass.exe
1560	moveclass.exe
1560	moveclass.exe
1560	moveclass.exe
1560	moveclass.exe
1560	moveclass.exe
1560	moveclass.exe
1560	moveclass.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe

pid process

892 f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe

pid	process
892	f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exemoveclass.exe

description	pid	process	target process
PID 608 wrote to memory of 892	608	f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe	f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe
PID 608 wrote to memory of 892	608	f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe	f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe
PID 608 wrote to memory of 892	608	f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe	f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe
PID 1424 wrote to memory of 1560	1424	moveclass.exe	moveclass.exe
PID 1424 wrote to memory of 1560	1424	moveclass.exe	moveclass.exe
PID 1424 wrote to memory of 1560	1424	moveclass.exe	moveclass.exe

C:\Users\Admin\AppData\Local\Temp\f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe
"C:\Users\Admin\AppData\Local\Temp\f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:608
- C:\Users\Admin\AppData\Local\Temp\f1159db89a9cc29443631e1381cad5f06bd1ec9158eccd77ea27123b83ce89a8.exe
  --9bd5906b
  2⤵
  - Suspicious behavior: RenamesItself
  PID:892

C:\Windows\SysWOW64\moveclass.exe
"C:\Windows\SysWOW64\moveclass.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Windows\SysWOW64\moveclass.exe
  --c07c2edd
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:1560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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