purecrypter | f8a9dd3d1e24b6e889dc9b8e752f442bbf2527d97bb5028bbb95c94ce262de67

General

Target

Q1343 Q1344 240 Dishware.exe
Size

1.2MB
MD5

1ccd7ec5e3adf4355e77bcc1f2f64b63
SHA1

d5a42f6a179d2a63bd0912a2a728334d0594a92c
SHA256

f8a9dd3d1e24b6e889dc9b8e752f442bbf2527d97bb5028bbb95c94ce262de67
SHA512

ffc228c1b5e12cbb230bbc81456af5d841892e79fdc6dc470b30896abbcb85bf84438e668e52aa057148ab4537bea256d0fcd0f15c43c7148db46e2bb9887a0e
SSDEEP

24576:RB05LEShOyOMs+pUcwAJk4TALNqeOMz7Hc3WCqD2wAG:yEShOaFwAJfAQeXz5C1q

Score

10^/10

purecrypter snakekeylogger collection downloader keylogger loader persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.jtinti.com
Port:
587
Username:
[email protected]
Password:
Rockfishbay12#
Email To:
[email protected]

Signatures

Detect PureCrypter injector 1 IoCs

loader

resource	yara_rule
behavioral1/memory/1884-55-0x0000000004D10000-0x0000000004F6A000-memory.dmp	family_purecrypter

PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/468-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/468-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/468-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/468-70-0x000000000042073E-mapping.dmp	family_snakekeylogger
behavioral1/memory/468-74-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/468-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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 Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Q1343 Q1344 240 Dishware.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Q1343 Q1344 240 Dishware.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Q1343 Q1344 240 Dishware.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dfkcqi = "\"C:\\Users\\Admin\\AppData\\Roaming\\Hgdbca\\Dfkcqi.exe\""	Q1343 Q1344 240 Dishware.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1884 set thread context of 468	1884	Q1343 Q1344 240 Dishware.exe	32

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1176	powershell.exe
1884	Q1343 Q1344 240 Dishware.exe
1884	Q1343 Q1344 240 Dishware.exe
1884	Q1343 Q1344 240 Dishware.exe
468	Q1343 Q1344 240 Dishware.exe
468	Q1343 Q1344 240 Dishware.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1884	Q1343 Q1344 240 Dishware.exe
Token: SeDebugPrivilege	1176	powershell.exe
Token: SeDebugPrivilege	468	Q1343 Q1344 240 Dishware.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 1176	1884	Q1343 Q1344 240 Dishware.exe	27
PID 1884 wrote to memory of 1176	1884	Q1343 Q1344 240 Dishware.exe	27
PID 1884 wrote to memory of 1176	1884	Q1343 Q1344 240 Dishware.exe	27
PID 1884 wrote to memory of 1176	1884	Q1343 Q1344 240 Dishware.exe	27
PID 1884 wrote to memory of 1352	1884	Q1343 Q1344 240 Dishware.exe	29
PID 1884 wrote to memory of 1352	1884	Q1343 Q1344 240 Dishware.exe	29
PID 1884 wrote to memory of 1352	1884	Q1343 Q1344 240 Dishware.exe	29
PID 1884 wrote to memory of 1352	1884	Q1343 Q1344 240 Dishware.exe	29
PID 1884 wrote to memory of 280	1884	Q1343 Q1344 240 Dishware.exe	30
PID 1884 wrote to memory of 280	1884	Q1343 Q1344 240 Dishware.exe	30
PID 1884 wrote to memory of 280	1884	Q1343 Q1344 240 Dishware.exe	30
PID 1884 wrote to memory of 280	1884	Q1343 Q1344 240 Dishware.exe	30
PID 1884 wrote to memory of 944	1884	Q1343 Q1344 240 Dishware.exe	31
PID 1884 wrote to memory of 944	1884	Q1343 Q1344 240 Dishware.exe	31
PID 1884 wrote to memory of 944	1884	Q1343 Q1344 240 Dishware.exe	31
PID 1884 wrote to memory of 944	1884	Q1343 Q1344 240 Dishware.exe	31
PID 1884 wrote to memory of 468	1884	Q1343 Q1344 240 Dishware.exe	32
PID 1884 wrote to memory of 468	1884	Q1343 Q1344 240 Dishware.exe	32
PID 1884 wrote to memory of 468	1884	Q1343 Q1344 240 Dishware.exe	32
PID 1884 wrote to memory of 468	1884	Q1343 Q1344 240 Dishware.exe	32
PID 1884 wrote to memory of 468	1884	Q1343 Q1344 240 Dishware.exe	32
PID 1884 wrote to memory of 468	1884	Q1343 Q1344 240 Dishware.exe	32
PID 1884 wrote to memory of 468	1884	Q1343 Q1344 240 Dishware.exe	32
PID 1884 wrote to memory of 468	1884	Q1343 Q1344 240 Dishware.exe	32
PID 1884 wrote to memory of 468	1884	Q1343 Q1344 240 Dishware.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Q1343 Q1344 240 Dishware.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Q1343 Q1344 240 Dishware.exe

C:\Users\Admin\AppData\Local\Temp\Q1343 Q1344 240 Dishware.exe
"C:\Users\Admin\AppData\Local\Temp\Q1343 Q1344 240 Dishware.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1176
- C:\Users\Admin\AppData\Local\Temp\Q1343 Q1344 240 Dishware.exe
  "C:\Users\Admin\AppData\Local\Temp\Q1343 Q1344 240 Dishware.exe"
  2⤵
  PID:1352
- C:\Users\Admin\AppData\Local\Temp\Q1343 Q1344 240 Dishware.exe
  "C:\Users\Admin\AppData\Local\Temp\Q1343 Q1344 240 Dishware.exe"
  2⤵
  PID:280
- C:\Users\Admin\AppData\Local\Temp\Q1343 Q1344 240 Dishware.exe
  "C:\Users\Admin\AppData\Local\Temp\Q1343 Q1344 240 Dishware.exe"
  2⤵
  PID:944
- C:\Users\Admin\AppData\Local\Temp\Q1343 Q1344 240 Dishware.exe
  "C:\Users\Admin\AppData\Local\Temp\Q1343 Q1344 240 Dishware.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:468

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/468-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/468-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/468-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/468-74-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/468-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/468-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/468-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1176-61-0x000000006F7D0000-0x000000006FD7B000-memory.dmp

Filesize
5.7MB

Download
memory/1176-60-0x000000006F7D0000-0x000000006FD7B000-memory.dmp

Filesize
5.7MB

Download
memory/1176-59-0x000000006F7D0000-0x000000006FD7B000-memory.dmp

Filesize
5.7MB

Download
memory/1884-55-0x0000000004D10000-0x0000000004F6A000-memory.dmp

Filesize
2.4MB

Download
memory/1884-62-0x0000000004320000-0x000000000436A000-memory.dmp

Filesize
296KB

Download
memory/1884-54-0x0000000000220000-0x000000000034E000-memory.dmp

Filesize
1.2MB

Download
memory/1884-56-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing