9fe55992710a88a45dbc0815f52cd916ac840d38979e3dbd2f1e03964af6482f

General

Target

FACTURA-144765.exe
Size

610KB
MD5

9f0c729f79825783b5cfcad38dec8c7a
SHA1

c01c7a66b4ea21bae320fc864fea07077e7cad36
SHA256

a3a1923825d3db6a59b73304f90e036ab2ee5785b707007369c6803f7cccc420
SHA512

a3fbf0d662769f9278640117f2bebe5290fff73e6d22d6f0ddeddba4769df2510859e34fc68267db076097d9d20c2dc442185e05bae11af19126d28aaf3c534e
SSDEEP

12288:t22ttsd9vsf1+9AG8XE4AnPfzDYenFrD906OL4:t22ttsD138iPfzEira6OM

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2696	FACTURA-144765.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	drive.google.com
5	drive.google.com

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\nonsurgically\skmbillede.smr	FACTURA-144765.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2824	FACTURA-144765.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2696	FACTURA-144765.exe
2824	FACTURA-144765.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2824	2696	FACTURA-144765.exe	31

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Fljtenists.ini	FACTURA-144765.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	FACTURA-144765.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FACTURA-144765.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2824	FACTURA-144765.exe
2824	FACTURA-144765.exe
2824	FACTURA-144765.exe
2824	FACTURA-144765.exe
2824	FACTURA-144765.exe
2824	FACTURA-144765.exe
2824	FACTURA-144765.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2696	FACTURA-144765.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2824	2696	FACTURA-144765.exe	31
PID 2696 wrote to memory of 2824	2696	FACTURA-144765.exe	31
PID 2696 wrote to memory of 2824	2696	FACTURA-144765.exe	31
PID 2696 wrote to memory of 2824	2696	FACTURA-144765.exe	31
PID 2696 wrote to memory of 2824	2696	FACTURA-144765.exe	31
PID 2696 wrote to memory of 2824	2696	FACTURA-144765.exe	31

C:\Users\Admin\AppData\Local\Temp\FACTURA-144765.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURA-144765.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Users\Admin\AppData\Local\Temp\FACTURA-144765.exe
  "C:\Users\Admin\AppData\Local\Temp\FACTURA-144765.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsj7734.tmp\System.dll

Filesize
11KB

MD5
3f176d1ee13b0d7d6bd92e1c7a0b9bae

SHA1
fe582246792774c2c9dd15639ffa0aca90d6fd0b

SHA256
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

SHA512
0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

Download Submit
memory/2696-12-0x0000000077940000-0x0000000077AE9000-memory.dmp

Filesize
1.7MB

Download
memory/2696-11-0x0000000077941000-0x0000000077A42000-memory.dmp

Filesize
1.0MB

Download
memory/2824-13-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/2824-14-0x0000000077940000-0x0000000077AE9000-memory.dmp

Filesize
1.7MB

Download
memory/2824-36-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/2824-38-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/2824-39-0x0000000077940000-0x0000000077AE9000-memory.dmp

Filesize
1.7MB

Download
memory/2824-41-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/2824-40-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/2824-42-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/2824-48-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download

Analysis

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