growtopia | 1d78c999f43239d13a70f0ce1999562cd860518d67f5b5e408378182b2ec9241

General

Target

JaffaCakes118_99f8d45504bc7a0b44dd1b1e9e140d20.exe
Size

981KB
MD5

99f8d45504bc7a0b44dd1b1e9e140d20
SHA1

d342f4bd98b3d0abe43d7efbf09563f95706f71b
SHA256

1d78c999f43239d13a70f0ce1999562cd860518d67f5b5e408378182b2ec9241
SHA512

1e9321e0a3268a7edc47250b6bca20d9a2acd5735862ecf68dbf37ee66e5ae4431c63faf824ffd0e19920f9a5cba29c2f916093233de605670b90fe7a76e8940
SSDEEP

24576:grnXGG1qtW4BFOyIK1lC+7hvMVwT3dq+/QIt5F0Qm4kWiR+rvQWl:WnWx1OG1EKtM2T3mIPk4lioBl

Score

10^/10

growtopia discovery spyware stealer

Malware Config

Extracted

Family

growtopia

C2

https://discord.com/api/webhooks/899935404453679154/QoATNDrKaUHzsmnHBcpHhyCFen2GX-Fz5r8Bq4Z7cOyFFVKIKQuJT3E0OZR6tOLA-O3x

Attributes

payload_url
https://cdn.discordapp.com/attachments/819331742212161576/877227264864055327/clipboard.gif

https://cdn.discordapp.com/attachments/819331742212161576/877223646391844904/savedat.gif

Signatures

Growtopia
Growtopa is an opensource modular stealer written in C#.
stealer growtopia
Growtopia family
growtopia
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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 11 IoCs

Web Service

T1102

flow	ioc
7	discord.com
10	discord.com
13	discord.com
15	discord.com
16	discord.com
6	discord.com
8	discord.com
9	discord.com
11	discord.com
12	discord.com
14	discord.com

Looks up external IP address via web service 2 IoCs

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

flow	ioc
4	ipapi.co
5	ipapi.co

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2980	2568	WerFault.exe	29

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	JaffaCakes118_99f8d45504bc7a0b44dd1b1e9e140d20.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_99f8d45504bc7a0b44dd1b1e9e140d20.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	JaffaCakes118_99f8d45504bc7a0b44dd1b1e9e140d20.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2568	JaffaCakes118_99f8d45504bc7a0b44dd1b1e9e140d20.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 2980	2568	JaffaCakes118_99f8d45504bc7a0b44dd1b1e9e140d20.exe	32
PID 2568 wrote to memory of 2980	2568	JaffaCakes118_99f8d45504bc7a0b44dd1b1e9e140d20.exe	32
PID 2568 wrote to memory of 2980	2568	JaffaCakes118_99f8d45504bc7a0b44dd1b1e9e140d20.exe	32
PID 2568 wrote to memory of 2980	2568	JaffaCakes118_99f8d45504bc7a0b44dd1b1e9e140d20.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99f8d45504bc7a0b44dd1b1e9e140d20.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99f8d45504bc7a0b44dd1b1e9e140d20.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 2116
  2⤵
  - Program crash
  PID:2980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2568-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2568-1-0x00000000011E0000-0x00000000012DA000-memory.dmp

Filesize
1000KB

Download
memory/2568-2-0x0000000000260000-0x00000000002A8000-memory.dmp

Filesize
288KB

Download
memory/2568-3-0x0000000000220000-0x0000000000238000-memory.dmp

Filesize
96KB

Download
memory/2568-5-0x0000000000330000-0x000000000033A000-memory.dmp

Filesize
40KB

Download
memory/2568-4-0x0000000000440000-0x000000000045A000-memory.dmp

Filesize
104KB

Download
memory/2568-6-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2568-7-0x00000000048C0000-0x0000000004908000-memory.dmp

Filesize
288KB

Download
memory/2568-8-0x0000000004910000-0x00000000049C0000-memory.dmp

Filesize
704KB

Download
memory/2568-9-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2568-10-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing