e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0

General

Target

e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe
Size

5.4MB
MD5

fcd957f6c522e305d02ea7242bc975d2
SHA1

6d139140d57e6f02d7352c6d14bb44c8ee2e5832
SHA256

e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0
SHA512

a29cdfc6215c918dab47b31de145c508080849ed37eec5579e6eba5f6fea31dea6d275e5bf7190726a432109ef79790b0ed1de3b64b45fb3bb8bec59da51ab8f
SSDEEP

49152:9KgkEaSVK2MtENoFFYHJYgb47QC3GZtp9GY568MNwu4acTC3ZvFXkP5VugzsIYU:8mahrbQEHcTeqqI3

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2388	sysx32.exe
2612	_e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe

Loads dropped DLL 3 IoCs

pid	Process
2592	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe
2592	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe
2592	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sys32 = "C:\\Windows\\system32\\sysx32.exe"	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe

Enumerates connected drives 3 TTPs 2 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\A:	sysx32.exe
File opened (read-only)	\??\B:	sysx32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sysx32.exe	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe
File opened for modification	C:\Windows\SysWOW64\sysx32.exe	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe
File created	C:\Windows\SysWOW64\sysx32.exe	sysx32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\7z.exe.tmp	sysx32.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe.tmp	sysx32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2388	2592	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe	30
PID 2592 wrote to memory of 2388	2592	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe	30
PID 2592 wrote to memory of 2388	2592	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe	30
PID 2592 wrote to memory of 2388	2592	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe	30
PID 2592 wrote to memory of 2612	2592	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe	31
PID 2592 wrote to memory of 2612	2592	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe	31
PID 2592 wrote to memory of 2612	2592	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe	31
PID 2592 wrote to memory of 2612	2592	e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe	31

C:\Users\Admin\AppData\Local\Temp\e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe
"C:\Users\Admin\AppData\Local\Temp\e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\SysWOW64\sysx32.exe
  C:\Windows\system32\sysx32.exe /scan
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops file in System32 directory
  - Drops file in Program Files directory
  PID:2388
- C:\Users\Admin\AppData\Local\Temp\_e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe
  C:\Users\Admin\AppData\Local\Temp\_e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe
  2⤵
  - Executes dropped EXE
  PID:2612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\_e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0.exe

Filesize
5.4MB

MD5
75d6e3f7c54bf4bffbdd1a5a74f6bc4b

SHA1
b818728b564bd0485073241590729f3338078a34

SHA256
ccc913161c7b9dcf6956a12467ad6ca6ea795bb473a1c17abae42b09096963e3

SHA512
280e650a24c12059bf3bbdff12fc2a795fa430a6eec40e70944d0b895106f28e972ed2ba1b75715c84b92fb93d99626f11873d247a723f04d7ac136fddb0d1ae

Download Submit
\Windows\SysWOW64\sysx32.exe

Filesize
5.4MB

MD5
fcd957f6c522e305d02ea7242bc975d2

SHA1
6d139140d57e6f02d7352c6d14bb44c8ee2e5832

SHA256
e7859ca1dcde7419306d555c1080e69ed077671c07c0d916656cb966045b07c0

SHA512
a29cdfc6215c918dab47b31de145c508080849ed37eec5579e6eba5f6fea31dea6d275e5bf7190726a432109ef79790b0ed1de3b64b45fb3bb8bec59da51ab8f

Download Submit
memory/2388-20-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2592-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2592-11-0x00000000003A0000-0x00000000003B1000-memory.dmp

Filesize
68KB

Download
memory/2592-10-0x00000000003A0000-0x00000000003B1000-memory.dmp

Filesize
68KB

Download
memory/2592-19-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads