f3caecffb11faf28d31a3f30e39511ab1dbbce621259b73172d94f9a75962d1c

General

Target
f8a663ba086d55062bd727777b7cb02c.exe
Size 169KB
Sample210908-3c5hesfca2
SHA256 f3caecffb11faf28d31a3f30e39511ab1dbbce621259b73172d94f9a75962d1c
MD5 f8a663ba086d55062bd727777b7cb02c
SHA1 cd2795bc18d669445becbd218318003ab418d880
SHA512 e19331bbac191e4fe56c67c091ecbf2c0f4efb93565d733ee545a0ee44cfdc25873fe09aaabf6b8aa0af7a99f50867163aad09dcb6fad9681f25ffd976b367f9
MD5 SHA1 SHA512

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Downloads MZ/PE file

Deletes itself 1 IoCs

pid	Process
1652	cmd.exe

Loads dropped DLL 5 IoCs

pid	Process
1080	f8a663ba086d55062bd727777b7cb02c.exe
1080	f8a663ba086d55062bd727777b7cb02c.exe
1080	f8a663ba086d55062bd727777b7cb02c.exe
1080	f8a663ba086d55062bd727777b7cb02c.exe
1080	f8a663ba086d55062bd727777b7cb02c.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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). Likely ransomware behaviour.

System Information Discovery
T1082

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	f8a663ba086d55062bd727777b7cb02c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f8a663ba086d55062bd727777b7cb02c.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1308	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 1652	1080	f8a663ba086d55062bd727777b7cb02c.exe	31
PID 1080 wrote to memory of 1652	1080	f8a663ba086d55062bd727777b7cb02c.exe	31
PID 1080 wrote to memory of 1652	1080	f8a663ba086d55062bd727777b7cb02c.exe	31
PID 1080 wrote to memory of 1652	1080	f8a663ba086d55062bd727777b7cb02c.exe	31
PID 1652 wrote to memory of 1308	1652	cmd.exe	33
PID 1652 wrote to memory of 1308	1652	cmd.exe	33
PID 1652 wrote to memory of 1308	1652	cmd.exe	33
PID 1652 wrote to memory of 1308	1652	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\f8a663ba086d55062bd727777b7cb02c.exe
"C:\Users\Admin\AppData\Local\Temp\f8a663ba086d55062bd727777b7cb02c.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\f8a663ba086d55062bd727777b7cb02c.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:1308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1080-60-0x0000000075801000-0x0000000075803000-memory.dmp

Download

memory/1080-61-0x0000000000020000-0x0000000000039000-memory.dmp

Download

memory/1080-62-0x0000000000400000-0x0000000002148000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads