orcus | 5021d9ce50b55cd91d7b54f65618aefb5e1c8163910f3e24a05ec3c3febb6d55

General

Target

LunaManualStrapper.exe
Size

3.0MB
MD5

0db7f6c2caa373dcc11f9246659353ed
SHA1

43a269da2a8a32586c8853be4669ea6284c645bc
SHA256

5021d9ce50b55cd91d7b54f65618aefb5e1c8163910f3e24a05ec3c3febb6d55
SHA512

5dd9ad9e6b3f12dcecfcefa0e07e6e11a85598bbd83efafa42d29d015d0feb18203477ab22660dc6ab8636561bc0583c672d68401d6af2b23c0d664bf315b7e8
SSDEEP

49152:QGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:QLHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus lunastrapper discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

LunaStrapper

C2

31.44.184.52:29846

Mutex

sudo_e0tt4hyoecke2axu2107gw64d6c3dql8

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\generatorsecure\geopoll.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

resource	yara_rule
behavioral2/files/0x0009000000023cb5-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/1904-1-0x00000000002D0000-0x00000000005D0000-memory.dmp	orcus
behavioral2/files/0x0009000000023cb5-13.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	LunaManualStrapper.exe

Executes dropped EXE 4 IoCs

pid	Process
1624	geopoll.exe
748	geopoll.exe
3084	geopoll.exe
4520	geopoll.exe

Loads dropped DLL 8 IoCs

pid	Process
4360	installutil.exe
4360	installutil.exe
4360	installutil.exe
4360	installutil.exe
4360	installutil.exe
4360	installutil.exe
4360	installutil.exe
4360	installutil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1624 set thread context of 4360	1624	geopoll.exe	89

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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	geopoll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	geopoll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LunaManualStrapper.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	geopoll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	geopoll.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1904	LunaManualStrapper.exe
1624	geopoll.exe
1624	geopoll.exe
4360	installutil.exe
4360	installutil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1904	LunaManualStrapper.exe
Token: SeDebugPrivilege	1624	geopoll.exe
Token: SeDebugPrivilege	4360	installutil.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 1624	1904	LunaManualStrapper.exe	87
PID 1904 wrote to memory of 1624	1904	LunaManualStrapper.exe	87
PID 1904 wrote to memory of 1624	1904	LunaManualStrapper.exe	87
PID 1624 wrote to memory of 4360	1624	geopoll.exe	89
PID 1624 wrote to memory of 4360	1624	geopoll.exe	89
PID 1624 wrote to memory of 4360	1624	geopoll.exe	89
PID 1624 wrote to memory of 4360	1624	geopoll.exe	89
PID 1624 wrote to memory of 4360	1624	geopoll.exe	89
PID 1624 wrote to memory of 4360	1624	geopoll.exe	89
PID 1624 wrote to memory of 4360	1624	geopoll.exe	89
PID 1624 wrote to memory of 4360	1624	geopoll.exe	89

C:\Users\Admin\AppData\Local\Temp\LunaManualStrapper.exe
"C:\Users\Admin\AppData\Local\Temp\LunaManualStrapper.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Users\Admin\AppData\Roaming\generatorsecure\geopoll.exe
  "C:\Users\Admin\AppData\Roaming\generatorsecure\geopoll.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:1624
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4360

C:\Users\Admin\AppData\Roaming\generatorsecure\geopoll.exe
C:\Users\Admin\AppData\Roaming\generatorsecure\geopoll.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:748

C:\Users\Admin\AppData\Roaming\generatorsecure\geopoll.exe
C:\Users\Admin\AppData\Roaming\generatorsecure\geopoll.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3084

C:\Users\Admin\AppData\Roaming\generatorsecure\geopoll.exe
C:\Users\Admin\AppData\Roaming\generatorsecure\geopoll.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4520

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

Replay Monitor

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Downloads

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

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\generatorsecure\geopoll.exe

Filesize
3.0MB

MD5
0db7f6c2caa373dcc11f9246659353ed

SHA1
43a269da2a8a32586c8853be4669ea6284c645bc

SHA256
5021d9ce50b55cd91d7b54f65618aefb5e1c8163910f3e24a05ec3c3febb6d55

SHA512
5dd9ad9e6b3f12dcecfcefa0e07e6e11a85598bbd83efafa42d29d015d0feb18203477ab22660dc6ab8636561bc0583c672d68401d6af2b23c0d664bf315b7e8

Download Submit
C:\Users\Admin\AppData\Roaming\generatorsecure\geopoll.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
C:\Users\Admin\AppData\Roaming\generatorsecure\lib_sudo_e0tt4hyoecke2axu2107gw64d6c3dql8\SharpDX.DXGI.dll

Filesize
125KB

MD5
2b44c70c49b70d797fbb748158b5d9bb

SHA1
93e00e6527e461c45c7868d14cf05c007e478081

SHA256
3762d43c83af69cd38c9341a927ca6bd00f6bae8217c874d693047d6df4705bf

SHA512
faced62f6ecbfa2ee0d7a47e300302d23030d1f28758cbe9c442e9d8d4f8359c59088aa6237a28103e43d248c8efc7eeaf2c184028701b752df6cce92d6854d0

Download Submit
C:\Users\Admin\AppData\Roaming\generatorsecure\lib_sudo_e0tt4hyoecke2axu2107gw64d6c3dql8\SharpDX.Direct3D11.dll

Filesize
271KB

MD5
98eb5ba5871acdeaebf3a3b0f64be449

SHA1
c965284f60ef789b00b10b3df60ee682b4497de3

SHA256
d7617d926648849cbfef450b8f48e458ee52e2793fb2251a30094b778aa8848c

SHA512
a60025e304713d333e4b82b2d0be28087950688b049c98d2db5910c00b8d45b92e16d25ac8a58ff1318de019de3a9a00c7cbf8a6ad4b5bb1cb175dafa1b9bea2

Download Submit
C:\Users\Admin\AppData\Roaming\generatorsecure\lib_sudo_e0tt4hyoecke2axu2107gw64d6c3dql8\SharpDX.Direct3D9.dll

Filesize
338KB

MD5
934da0e49208d0881c44fe19d5033840

SHA1
a19c5a822e82e41752a08d3bd9110db19a8a5016

SHA256
02da4af8cd4a8de19d816000caaae885e676b9e52f136ff071a279c2b8ad34c7

SHA512
de62f629c2299b50af62893244a28895d63b78138c8632449984306f45de16bd01076eadbb0d75a700215e970c1df731e202ea640236c0f0da6ed15146193b59

Download Submit
C:\Users\Admin\AppData\Roaming\generatorsecure\lib_sudo_e0tt4hyoecke2axu2107gw64d6c3dql8\SharpDX.dll

Filesize
247KB

MD5
ffb4b61cc11bec6d48226027c2c26704

SHA1
fa8b9e344accbdc4dffa9b5d821d23f0716da29e

SHA256
061542ff3fb36039b7bbffdf3e07b66176b264c1dfd834a14b09c08620717303

SHA512
48aa6130bf1f5bd6de19256bbdf754c0158b43dd122cec47bb801a7a7b56f2da268bfdec24d135621764a23278ead3dcc35911a057e2dfa55a348bae8ef7b8a9

Download Submit
memory/748-31-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/748-49-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/1624-23-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/1624-27-0x0000000006A60000-0x0000000006AFC000-memory.dmp

Filesize
624KB

Download
memory/1624-32-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/1624-25-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/1624-26-0x0000000006100000-0x000000000614E000-memory.dmp

Filesize
312KB

Download
memory/1904-5-0x0000000005750000-0x0000000005CF4000-memory.dmp

Filesize
5.6MB

Download
memory/1904-6-0x00000000051A0000-0x0000000005232000-memory.dmp

Filesize
584KB

Download
memory/1904-7-0x0000000005680000-0x0000000005692000-memory.dmp

Filesize
72KB

Download
memory/1904-24-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/1904-4-0x0000000005060000-0x00000000050BC000-memory.dmp

Filesize
368KB

Download
memory/1904-3-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/1904-0-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/1904-2-0x0000000000D50000-0x0000000000D5E000-memory.dmp

Filesize
56KB

Download
memory/1904-1-0x00000000002D0000-0x00000000005D0000-memory.dmp

Filesize
3.0MB

Download
memory/4360-36-0x0000000005BD0000-0x0000000005BE0000-memory.dmp

Filesize
64KB

Download
memory/4360-42-0x00000000070B0000-0x00000000070C2000-memory.dmp

Filesize
72KB

Download
memory/4360-43-0x0000000007110000-0x000000000714C000-memory.dmp

Filesize
240KB

Download
memory/4360-44-0x0000000007150000-0x000000000719C000-memory.dmp

Filesize
304KB

Download
memory/4360-45-0x00000000072E0000-0x00000000073EA000-memory.dmp

Filesize
1.0MB

Download
memory/4360-46-0x0000000007CC0000-0x0000000007E82000-memory.dmp

Filesize
1.8MB

Download
memory/4360-47-0x00000000072C0000-0x00000000072CE000-memory.dmp

Filesize
56KB

Download
memory/4360-48-0x00000000080E0000-0x0000000008130000-memory.dmp

Filesize
320KB

Download
memory/4360-41-0x00000000076A0000-0x0000000007CB8000-memory.dmp

Filesize
6.1MB

Download
memory/4360-50-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/4360-40-0x0000000007010000-0x0000000007076000-memory.dmp

Filesize
408KB

Download
memory/4360-57-0x0000000005A80000-0x0000000005AC4000-memory.dmp

Filesize
272KB

Download
memory/4360-37-0x0000000006840000-0x000000000684A000-memory.dmp

Filesize
40KB

Download
memory/4360-64-0x0000000005AD0000-0x0000000005B1A000-memory.dmp

Filesize
296KB

Download
memory/4360-35-0x0000000005B80000-0x0000000005B98000-memory.dmp

Filesize
96KB

Download
memory/4360-71-0x0000000005B20000-0x0000000005B7A000-memory.dmp

Filesize
360KB

Download
memory/4360-33-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/4360-78-0x00000000052D0000-0x00000000052F6000-memory.dmp

Filesize
152KB

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