cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38

General

Target

cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe
Size

9.5MB
MD5

00f86418396c17d89d43328753aa0e94
SHA1

535724a5b79937c3241e59460cf8f0b461625b22
SHA256

cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38
SHA512

5e3d6e058c0a7d78581c0c354b2d43d755afa3fdb25d5e308816e0a336f945e4b6d59a3cbea9a790f45c4ce516c6caf698400e1695a3a51fab4343ead9738c28
SSDEEP

49152:5VpdkTXbGT7Zx6BhJ+exaueO63nsk0MEwJZpxm2TfP77LIYoMRBW:5pkLbGP/6fJ+

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2908	service123.exe
2232	service123.exe
772	service123.exe

Loads dropped DLL 5 IoCs

pid	Process
2216	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe
2216	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe
2908	service123.exe
2232	service123.exe
772	service123.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2692	schtasks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2908	2216	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe	30
PID 2216 wrote to memory of 2908	2216	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe	30
PID 2216 wrote to memory of 2908	2216	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe	30
PID 2216 wrote to memory of 2908	2216	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe	30
PID 2216 wrote to memory of 2692	2216	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe	31
PID 2216 wrote to memory of 2692	2216	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe	31
PID 2216 wrote to memory of 2692	2216	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe	31
PID 2216 wrote to memory of 2692	2216	cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe	31
PID 1728 wrote to memory of 2232	1728	taskeng.exe	34
PID 1728 wrote to memory of 2232	1728	taskeng.exe	34
PID 1728 wrote to memory of 2232	1728	taskeng.exe	34
PID 1728 wrote to memory of 2232	1728	taskeng.exe	34
PID 1728 wrote to memory of 772	1728	taskeng.exe	36
PID 1728 wrote to memory of 772	1728	taskeng.exe	36
PID 1728 wrote to memory of 772	1728	taskeng.exe	36
PID 1728 wrote to memory of 772	1728	taskeng.exe	36

C:\Users\Admin\AppData\Local\Temp\cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe
"C:\Users\Admin\AppData\Local\Temp\cb5f4641a3d416400f25611738e50f3cee8479c6d2c5ade6e4a2c36a14ac2e38.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  "C:\Users\Admin\AppData\Local\Temp\service123.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2908
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2692

C:\Windows\system32\taskeng.exe
taskeng.exe {118E3E4F-E269-4F2F-A2BC-790E01236964} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2232
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/772-40-0x0000000000CA0000-0x0000000000CB2000-memory.dmp

Filesize
72KB

Download
memory/2216-0-0x0000000000B00000-0x0000000001492000-memory.dmp

Filesize
9.6MB

Download
memory/2216-1-0x0000000000B00000-0x0000000001492000-memory.dmp

Filesize
9.6MB

Download
memory/2216-13-0x0000000000B00000-0x0000000001492000-memory.dmp

Filesize
9.6MB

Download
memory/2232-25-0x0000000000CA0000-0x0000000000CB2000-memory.dmp

Filesize
72KB

Download
memory/2908-16-0x0000000000CA0000-0x0000000000CB2000-memory.dmp

Filesize
72KB

Download
memory/2908-17-0x0000000074850000-0x0000000074984000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads