orcus | bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1

General

Target

bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exe
Size

3.0MB
MD5

a90a422735bb7547f35f57295e3abfcf
SHA1

0201a663661b5d6fc53f50306e2292bb95d5595a
SHA256

bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1
SHA512

cdfcc44ead1f74577c97b0e1f13c19579fadabdff29f7513a6e9869207cf93b5847a810c5e4603703f4db8f60a6d9ce44667e4abc3a5db71695f8079b62d1baa
SSDEEP

49152:ZGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:ZLHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus ethera discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Ethera

C2

31.44.184.52:13553

Mutex

sudo_m2fquraoxt4oub1z5bldz13n999s46qd

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\trackgamelongpoll\winlogon.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
C:\Users\Admin\AppData\Roaming\trackgamelongpoll\winlogon.exe	family_orcus

Orcurs Rat Executable 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4060-1-0x0000000000DC0000-0x00000000010BE000-memory.dmp	orcus
C:\Users\Admin\AppData\Roaming\trackgamelongpoll\winlogon.exe	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:

bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exe

Executes dropped EXE 4 IoCs

Processes:

winlogon.exewinlogon.exewinlogon.exewinlogon.exe

pid process

2800 winlogon.exe
3376 winlogon.exe
392 winlogon.exe
1848 winlogon.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

winlogon.exe

description pid process target process

PID 2800 set thread context of 1420 2800 winlogon.exe installutil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2800	winlogon.exe
3376	winlogon.exe
392	winlogon.exe
1848	winlogon.exe

description	pid	process	target process
PID 2800 set thread context of 1420	2800	winlogon.exe	installutil.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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:

winlogon.exebea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exewinlogon.exeinstallutil.exewinlogon.exewinlogon.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exewinlogon.exeinstallutil.exe

pid	process
4060	bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exe
2800	winlogon.exe
2800	winlogon.exe
2800	winlogon.exe
2800	winlogon.exe
2800	winlogon.exe
2800	winlogon.exe
1420	installutil.exe
1420	installutil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exewinlogon.exeinstallutil.exe

description	pid	process
Token: SeDebugPrivilege	4060	bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exe
Token: SeDebugPrivilege	2800	winlogon.exe
Token: SeDebugPrivilege	1420	installutil.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exewinlogon.exe

description	pid	process	target process
PID 4060 wrote to memory of 2800	4060	bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exe	winlogon.exe
PID 4060 wrote to memory of 2800	4060	bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exe	winlogon.exe
PID 4060 wrote to memory of 2800	4060	bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exe	winlogon.exe
PID 2800 wrote to memory of 2388	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 2388	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 2388	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 3392	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 3392	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 3392	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 1420	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 1420	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 1420	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 1420	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 1420	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 1420	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 1420	2800	winlogon.exe	installutil.exe
PID 2800 wrote to memory of 1420	2800	winlogon.exe	installutil.exe

C:\Users\Admin\AppData\Local\Temp\bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exe
"C:\Users\Admin\AppData\Local\Temp\bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Users\Admin\AppData\Roaming\trackgamelongpoll\winlogon.exe
  "C:\Users\Admin\AppData\Roaming\trackgamelongpoll\winlogon.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
    3⤵
    PID:2388
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
    3⤵
    PID:3392
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1420

C:\Users\Admin\AppData\Roaming\trackgamelongpoll\winlogon.exe
C:\Users\Admin\AppData\Roaming\trackgamelongpoll\winlogon.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3376

C:\Users\Admin\AppData\Roaming\trackgamelongpoll\winlogon.exe
C:\Users\Admin\AppData\Roaming\trackgamelongpoll\winlogon.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:392

C:\Users\Admin\AppData\Roaming\trackgamelongpoll\winlogon.exe
C:\Users\Admin\AppData\Roaming\trackgamelongpoll\winlogon.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\trackgamelongpoll\winlogon.exe

Filesize
3.0MB

MD5
a90a422735bb7547f35f57295e3abfcf

SHA1
0201a663661b5d6fc53f50306e2292bb95d5595a

SHA256
bea644c53d24f8358a0932ab175b22282cd722fada7e881dd592952a8afc22e1

SHA512
cdfcc44ead1f74577c97b0e1f13c19579fadabdff29f7513a6e9869207cf93b5847a810c5e4603703f4db8f60a6d9ce44667e4abc3a5db71695f8079b62d1baa

Download Submit
C:\Users\Admin\AppData\Roaming\trackgamelongpoll\winlogon.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1420-32-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/1420-35-0x0000000005BE0000-0x0000000005BF8000-memory.dmp

Filesize
96KB

Download
memory/1420-41-0x00000000071B0000-0x0000000007216000-memory.dmp

Filesize
408KB

Download
memory/1420-34-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/1420-49-0x00000000082D0000-0x0000000008320000-memory.dmp

Filesize
320KB

Download
memory/1420-48-0x0000000007440000-0x000000000744E000-memory.dmp

Filesize
56KB

Download
memory/1420-47-0x0000000007E60000-0x0000000008022000-memory.dmp

Filesize
1.8MB

Download
memory/1420-43-0x0000000007250000-0x0000000007262000-memory.dmp

Filesize
72KB

Download
memory/1420-46-0x0000000007480000-0x000000000758A000-memory.dmp

Filesize
1.0MB

Download
memory/1420-37-0x00000000068A0000-0x00000000068AA000-memory.dmp

Filesize
40KB

Download
memory/1420-36-0x0000000005C10000-0x0000000005C20000-memory.dmp

Filesize
64KB

Download
memory/1420-42-0x0000000007840000-0x0000000007E58000-memory.dmp

Filesize
6.1MB

Download
memory/1420-44-0x00000000072B0000-0x00000000072EC000-memory.dmp

Filesize
240KB

Download
memory/1420-45-0x00000000072F0000-0x000000000733C000-memory.dmp

Filesize
304KB

Download
memory/1420-50-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/2800-29-0x0000000006730000-0x00000000067CC000-memory.dmp

Filesize
624KB

Download
memory/2800-26-0x00000000057F0000-0x0000000005802000-memory.dmp

Filesize
72KB

Download
memory/2800-27-0x0000000005DD0000-0x0000000005E1E000-memory.dmp

Filesize
312KB

Download
memory/2800-24-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/2800-23-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/2800-33-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4060-25-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4060-1-0x0000000000DC0000-0x00000000010BE000-memory.dmp

Filesize
3.0MB

Download
memory/4060-5-0x0000000006250000-0x00000000067F4000-memory.dmp

Filesize
5.6MB

Download
memory/4060-0-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/4060-4-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4060-2-0x00000000058E0000-0x00000000058EE000-memory.dmp

Filesize
56KB

Download
memory/4060-3-0x0000000005B60000-0x0000000005BBC000-memory.dmp

Filesize
368KB

Download
memory/4060-7-0x0000000005B50000-0x0000000005B62000-memory.dmp

Filesize
72KB

Download
memory/4060-6-0x0000000005D40000-0x0000000005DD2000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads