orcus | cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924

General

Target

cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe
Size

3.0MB
MD5

92e8237b684a86a17b61183af6588b05
SHA1

dfb87ecc85b2bf81119cde5f81e3e3d71e6158fc
SHA256

cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924
SHA512

c6824826d496f1ba9057f6aeb3e0c30cec3dc5da6889a3d4de1f1b1d19be6a9aa50c4cbe73e159411b6eb899a704e20a3b7dce3f6beffc5a93e85a820d373b69
SSDEEP

49152:Cs7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpau/nRFfjI7L0qb:CsHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus meow discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

meow

C2

31.44.184.52:62676

Mutex

sudo_vmbntgqy8knzac4v2g38gwmfpx80fxps

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\Bluestacks_nxt\Bluestacks.exe
reconnect_delay
10000
registry_keyname
Sudik
taskscheduler_taskname
sudik
watchdog_path
AppData\aga.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus
Orcus family
orcus

Orcus main payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x0008000000023ca5-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3056-1-0x0000000000D20000-0x000000000101E000-memory.dmp	orcus
behavioral2/files/0x0008000000023ca5-13.dat	orcus

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe

Executes dropped EXE 4 IoCs

Processes:

Bluestacks.exeBluestacks.exeBluestacks.exeBluestacks.exe

pid	Process
4772	Bluestacks.exe
5020	Bluestacks.exe
2560	Bluestacks.exe
536	Bluestacks.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
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 5 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

Processes:

Bluestacks.exeBluestacks.exeBluestacks.exeBluestacks.execc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bluestacks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bluestacks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bluestacks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bluestacks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Bluestacks.exe

description	pid	Process
Token: SeDebugPrivilege	4772	Bluestacks.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe

description	pid	Process	procid_target
PID 3056 wrote to memory of 4772	3056	cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe	83
PID 3056 wrote to memory of 4772	3056	cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe	83
PID 3056 wrote to memory of 4772	3056	cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe	83

C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe
"C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
  "C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4772

C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5020

C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2560

C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:536

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

3

T1552

Credentials In Files

2

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Bluestacks.exe.log

Filesize
1KB

MD5
0672db2ef13237d5cb85075ff4915942

SHA1
ad8b4d3eb5e40791c47d48b22e273486f25f663f

SHA256
0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

SHA512
84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

Download Submit
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe

Filesize
3.0MB

MD5
92e8237b684a86a17b61183af6588b05

SHA1
dfb87ecc85b2bf81119cde5f81e3e3d71e6158fc

SHA256
cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924

SHA512
c6824826d496f1ba9057f6aeb3e0c30cec3dc5da6889a3d4de1f1b1d19be6a9aa50c4cbe73e159411b6eb899a704e20a3b7dce3f6beffc5a93e85a820d373b69

Download Submit
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/3056-0-0x00000000751BE000-0x00000000751BF000-memory.dmp

Filesize
4KB

Download
memory/3056-1-0x0000000000D20000-0x000000000101E000-memory.dmp

Filesize
3.0MB

Download
memory/3056-2-0x00000000033D0000-0x00000000033DE000-memory.dmp

Filesize
56KB

Download
memory/3056-3-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/3056-4-0x0000000005AF0000-0x0000000005B4C000-memory.dmp

Filesize
368KB

Download
memory/3056-5-0x0000000006310000-0x00000000068B4000-memory.dmp

Filesize
5.6MB

Download
memory/3056-6-0x0000000005D60000-0x0000000005DF2000-memory.dmp

Filesize
584KB

Download
memory/3056-7-0x0000000006250000-0x0000000006262000-memory.dmp

Filesize
72KB

Download
memory/3056-24-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4772-40-0x0000000007640000-0x000000000774A000-memory.dmp

Filesize
1.0MB

Download
memory/4772-45-0x0000000007900000-0x000000000799C000-memory.dmp

Filesize
624KB

Download
memory/4772-28-0x0000000005ED0000-0x0000000005EE8000-memory.dmp

Filesize
96KB

Download
memory/4772-29-0x00000000068C0000-0x00000000068D0000-memory.dmp

Filesize
64KB

Download
memory/4772-23-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4772-31-0x00000000068B0000-0x00000000068BA000-memory.dmp

Filesize
40KB

Download
memory/4772-48-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4772-35-0x00000000071A0000-0x0000000007206000-memory.dmp

Filesize
408KB

Download
memory/4772-36-0x0000000007A80000-0x0000000008098000-memory.dmp

Filesize
6.1MB

Download
memory/4772-37-0x00000000072A0000-0x00000000072B2000-memory.dmp

Filesize
72KB

Download
memory/4772-38-0x00000000074A0000-0x00000000074DC000-memory.dmp

Filesize
240KB

Download
memory/4772-39-0x00000000074E0000-0x000000000752C000-memory.dmp

Filesize
304KB

Download
memory/4772-25-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4772-47-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4772-43-0x00000000080A0000-0x0000000008262000-memory.dmp

Filesize
1.8MB

Download
memory/4772-44-0x00000000075F0000-0x00000000075FE000-memory.dmp

Filesize
56KB

Download
memory/4772-26-0x0000000005E10000-0x0000000005E5E000-memory.dmp

Filesize
312KB

Download
memory/4772-46-0x0000000007A30000-0x0000000007A80000-memory.dmp

Filesize
320KB

Download
memory/5020-42-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/5020-32-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/5020-30-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads