orcus | aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d

General

Target

aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d.exe
Size

3.0MB
MD5

745f5802cf1349a0e3c1f308a278c34a
SHA1

9299b3b2829086af772ce1290c5d1c7092410a62
SHA256

aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d
SHA512

11862c68c89d21f95330a956bf50f31ba6b24e3cb508e0f683af11da8e24d02bc4f968cf9ca94762c5461551d94b7dbfcbe1127b66e5fcdfe957258e387a2782
SSDEEP

49152:ZGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:ZLHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus новый тег discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

C2

31.44.184.52:56194

Mutex

sudo_eggjwmyvihnlx7xyepol405yum2yjsha

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\localflowerlow\_to.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/0x0007000000023c90-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/2980-1-0x0000000000D50000-0x000000000104E000-memory.dmp	orcus
behavioral2/files/0x0007000000023c90-13.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d.exe

Executes dropped EXE 5 IoCs

pid	Process
552	_to.exe
3644	_to.exe
3912	_to.exe
508	_to.exe
4080	_to.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 552 set thread context of 1524	552	_to.exe	85
PID 3644 set thread context of 3656	3644	_to.exe	87

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 8 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	_to.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_to.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_to.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_to.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_to.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2980	aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d.exe
552	_to.exe
552	_to.exe
3644	_to.exe
3644	_to.exe
3656	msbuild.exe
3656	msbuild.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d.exe
Token: SeDebugPrivilege	552	_to.exe
Token: SeDebugPrivilege	3644	_to.exe
Token: SeDebugPrivilege	3656	msbuild.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 552	2980	aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d.exe	83
PID 2980 wrote to memory of 552	2980	aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d.exe	83
PID 2980 wrote to memory of 552	2980	aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d.exe	83
PID 552 wrote to memory of 1524	552	_to.exe	85
PID 552 wrote to memory of 1524	552	_to.exe	85
PID 552 wrote to memory of 1524	552	_to.exe	85
PID 552 wrote to memory of 1524	552	_to.exe	85
PID 552 wrote to memory of 1524	552	_to.exe	85
PID 552 wrote to memory of 1524	552	_to.exe	85
PID 552 wrote to memory of 1524	552	_to.exe	85
PID 552 wrote to memory of 1524	552	_to.exe	85
PID 3644 wrote to memory of 3656	3644	_to.exe	87
PID 3644 wrote to memory of 3656	3644	_to.exe	87
PID 3644 wrote to memory of 3656	3644	_to.exe	87
PID 3644 wrote to memory of 3656	3644	_to.exe	87
PID 3644 wrote to memory of 3656	3644	_to.exe	87
PID 3644 wrote to memory of 3656	3644	_to.exe	87
PID 3644 wrote to memory of 3656	3644	_to.exe	87
PID 3644 wrote to memory of 3656	3644	_to.exe	87

C:\Users\Admin\AppData\Local\Temp\aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d.exe
"C:\Users\Admin\AppData\Local\Temp\aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Users\Admin\AppData\Roaming\localflowerlow\_to.exe
  "C:\Users\Admin\AppData\Roaming\localflowerlow\_to.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:552
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1524

C:\Users\Admin\AppData\Roaming\localflowerlow\_to.exe
C:\Users\Admin\AppData\Roaming\localflowerlow\_to.exe
1⤵
- 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:3644
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3656

C:\Users\Admin\AppData\Roaming\localflowerlow\_to.exe
C:\Users\Admin\AppData\Roaming\localflowerlow\_to.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3912

C:\Users\Admin\AppData\Roaming\localflowerlow\_to.exe
C:\Users\Admin\AppData\Roaming\localflowerlow\_to.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:508

C:\Users\Admin\AppData\Roaming\localflowerlow\_to.exe
C:\Users\Admin\AppData\Roaming\localflowerlow\_to.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4080

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\_to.exe.log

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\localflowerlow\_to.exe

Filesize
3.0MB

MD5
745f5802cf1349a0e3c1f308a278c34a

SHA1
9299b3b2829086af772ce1290c5d1c7092410a62

SHA256
aadf4f0c02e284ef9ca1f70134cdfe3ad0b461dfeb73d8de5f0fb343589dc86d

SHA512
11862c68c89d21f95330a956bf50f31ba6b24e3cb508e0f683af11da8e24d02bc4f968cf9ca94762c5461551d94b7dbfcbe1127b66e5fcdfe957258e387a2782

Download Submit
C:\Users\Admin\AppData\Roaming\localflowerlow\_to.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/552-33-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/552-29-0x0000000006A20000-0x0000000006ABC000-memory.dmp

Filesize
624KB

Download
memory/552-26-0x00000000060C0000-0x000000000610E000-memory.dmp

Filesize
312KB

Download
memory/552-25-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/552-23-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/2980-24-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/2980-1-0x0000000000D50000-0x000000000104E000-memory.dmp

Filesize
3.0MB

Download
memory/2980-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/2980-6-0x0000000005E00000-0x0000000005E92000-memory.dmp

Filesize
584KB

Download
memory/2980-5-0x00000000063B0000-0x0000000006954000-memory.dmp

Filesize
5.6MB

Download
memory/2980-4-0x00000000059F0000-0x0000000005A4C000-memory.dmp

Filesize
368KB

Download
memory/2980-3-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/2980-7-0x0000000005D00000-0x0000000005D12000-memory.dmp

Filesize
72KB

Download
memory/2980-2-0x00000000035A0000-0x00000000035AE000-memory.dmp

Filesize
56KB

Download
memory/3644-32-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3644-28-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3644-37-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3656-38-0x0000000005F80000-0x0000000005F98000-memory.dmp

Filesize
96KB

Download
memory/3656-39-0x0000000006910000-0x0000000006920000-memory.dmp

Filesize
64KB

Download
memory/3656-40-0x0000000006C40000-0x0000000006C4A000-memory.dmp

Filesize
40KB

Download

Analysis

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