orcus | 607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13

General

Target

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe
Size

3.0MB
MD5

0bf7d5cf7b2ea03e2cd580ef696cf8c2
SHA1

61c427e6019867a7deab09415a92a3e001caba74
SHA256

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13
SHA512

8e286c40b531f3e0094e4181fe330b9af7e37d5a0d4786d4002c85ce7da199f6c03fef6d8d36bde3d00b2be1b84cd6351507c435074f2e3aeff2abedee246362
SSDEEP

49152:DGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:DLHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus nurik discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

nurik

C2

31.44.184.52:12708

Mutex

sudo_6rbpsrhwdx8231c8qhhxgcoyopp6gjkk

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\apiprocessorlongpoll\MpCmdRun.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\apiprocessorlongpoll\MpCmdRun.exe	family_orcus

Orcurs Rat Executable 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4268-1-0x0000000000340000-0x000000000063E000-memory.dmp	orcus
C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.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:

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe

Executes dropped EXE 4 IoCs

Processes:

MpCmdRun.exeMpCmdRun.exeMpCmdRun.exeMpCmdRun.exe

pid process

3692 MpCmdRun.exe
3664 MpCmdRun.exe
2272 MpCmdRun.exe
776 MpCmdRun.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

MpCmdRun.exe

description pid process target process

PID 3692 set thread context of 1440 3692 MpCmdRun.exe msbuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3692	MpCmdRun.exe
3664	MpCmdRun.exe
2272	MpCmdRun.exe
776	MpCmdRun.exe

description	pid	process	target process
PID 3692 set thread context of 1440	3692	MpCmdRun.exe	msbuild.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:

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exeMpCmdRun.exemsbuild.exeMpCmdRun.exeMpCmdRun.exeMpCmdRun.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MpCmdRun.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MpCmdRun.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MpCmdRun.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MpCmdRun.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exeMpCmdRun.exemsbuild.exe

pid	process
4268	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe
3692	MpCmdRun.exe
3692	MpCmdRun.exe
3692	MpCmdRun.exe
3692	MpCmdRun.exe
1440	msbuild.exe
1440	msbuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exeMpCmdRun.exemsbuild.exe

description	pid	process
Token: SeDebugPrivilege	4268	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe
Token: SeDebugPrivilege	3692	MpCmdRun.exe
Token: SeDebugPrivilege	1440	msbuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exeMpCmdRun.exe

description	pid	process	target process
PID 4268 wrote to memory of 3692	4268	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe	MpCmdRun.exe
PID 4268 wrote to memory of 3692	4268	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe	MpCmdRun.exe
PID 4268 wrote to memory of 3692	4268	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe	MpCmdRun.exe
PID 3692 wrote to memory of 2128	3692	MpCmdRun.exe	msbuild.exe
PID 3692 wrote to memory of 2128	3692	MpCmdRun.exe	msbuild.exe
PID 3692 wrote to memory of 2128	3692	MpCmdRun.exe	msbuild.exe
PID 3692 wrote to memory of 1440	3692	MpCmdRun.exe	msbuild.exe
PID 3692 wrote to memory of 1440	3692	MpCmdRun.exe	msbuild.exe
PID 3692 wrote to memory of 1440	3692	MpCmdRun.exe	msbuild.exe
PID 3692 wrote to memory of 1440	3692	MpCmdRun.exe	msbuild.exe
PID 3692 wrote to memory of 1440	3692	MpCmdRun.exe	msbuild.exe
PID 3692 wrote to memory of 1440	3692	MpCmdRun.exe	msbuild.exe
PID 3692 wrote to memory of 1440	3692	MpCmdRun.exe	msbuild.exe
PID 3692 wrote to memory of 1440	3692	MpCmdRun.exe	msbuild.exe

C:\Users\Admin\AppData\Local\Temp\607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe
"C:\Users\Admin\AppData\Local\Temp\607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
  "C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.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:3692
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
    3⤵
    PID:2128
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1440

C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3664

C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2272

C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:776

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\MpCmdRun.exe.log

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe

Filesize
3.0MB

MD5
0bf7d5cf7b2ea03e2cd580ef696cf8c2

SHA1
61c427e6019867a7deab09415a92a3e001caba74

SHA256
607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13

SHA512
8e286c40b531f3e0094e4181fe330b9af7e37d5a0d4786d4002c85ce7da199f6c03fef6d8d36bde3d00b2be1b84cd6351507c435074f2e3aeff2abedee246362

Download Submit
C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1440-42-0x0000000007930000-0x0000000007F48000-memory.dmp

Filesize
6.1MB

Download
memory/1440-46-0x00000000075E0000-0x00000000076EA000-memory.dmp

Filesize
1.0MB

Download
memory/1440-34-0x00000000056C0000-0x00000000056D2000-memory.dmp

Filesize
72KB

Download
memory/1440-33-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/1440-49-0x0000000008410000-0x0000000008460000-memory.dmp

Filesize
320KB

Download
memory/1440-48-0x00000000075A0000-0x00000000075AE000-memory.dmp

Filesize
56KB

Download
memory/1440-47-0x0000000007F50000-0x0000000008112000-memory.dmp

Filesize
1.8MB

Download
memory/1440-35-0x0000000005D50000-0x0000000005D68000-memory.dmp

Filesize
96KB

Download
memory/1440-45-0x0000000007450000-0x000000000749C000-memory.dmp

Filesize
304KB

Download
memory/1440-44-0x0000000007410000-0x000000000744C000-memory.dmp

Filesize
240KB

Download
memory/1440-43-0x00000000073B0000-0x00000000073C2000-memory.dmp

Filesize
72KB

Download
memory/1440-41-0x00000000072A0000-0x0000000007306000-memory.dmp

Filesize
408KB

Download
memory/1440-32-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/1440-38-0x0000000006A00000-0x0000000006A0A000-memory.dmp

Filesize
40KB

Download
memory/1440-50-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/1440-37-0x0000000005D90000-0x0000000005DA0000-memory.dmp

Filesize
64KB

Download
memory/3692-25-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/3692-23-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/3692-26-0x0000000006A30000-0x0000000006A7E000-memory.dmp

Filesize
312KB

Download
memory/3692-31-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/3692-28-0x0000000006C90000-0x0000000006D2C000-memory.dmp

Filesize
624KB

Download
memory/4268-0-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/4268-5-0x0000000005920000-0x0000000005EC4000-memory.dmp

Filesize
5.6MB

Download
memory/4268-1-0x0000000000340000-0x000000000063E000-memory.dmp

Filesize
3.0MB

Download
memory/4268-4-0x0000000005230000-0x000000000528C000-memory.dmp

Filesize
368KB

Download
memory/4268-24-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/4268-2-0x0000000002AB0000-0x0000000002ABE000-memory.dmp

Filesize
56KB

Download
memory/4268-3-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/4268-7-0x0000000005210000-0x0000000005222000-memory.dmp

Filesize
72KB

Download
memory/4268-6-0x0000000005410000-0x00000000054A2000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads