orcus | 680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20

General

Target

680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20.exe
Size

3.0MB
MD5

29dd5d00c4d6e98345609e5bccfd6299
SHA1

abb531017a1f2d3748cc7e08d0a7bf20cfa090fd
SHA256

680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20
SHA512

c2286a7baaed7e51cc3600d822635db63d1056dcf8c176e545a7ab0a183ae918876dbe87f982e215a438380dccd57669eb7b99dc406728be74ef4e33693566d9
SSDEEP

49152:Cs7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpau/nRFfjI7L0qb:CsHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus nurik discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Nurik

C2

31.44.184.52:62475

Mutex

sudo_pw1jk22qj7lclyg8l787um703v2h189l

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\dbsecure\wordpresspoll.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
behavioral1/files/0x0008000000016875-12.dat	family_orcus

Orcurs Rat Executable 10 IoCs

resource	yara_rule
behavioral1/memory/2176-1-0x0000000000BA0000-0x0000000000E9E000-memory.dmp	orcus
behavioral1/files/0x0008000000016875-12.dat	orcus
behavioral1/memory/1996-17-0x0000000000150000-0x000000000044E000-memory.dmp	orcus
behavioral1/memory/1032-34-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/1032-32-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/1032-31-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/1032-28-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/1032-26-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2872-58-0x0000000000C90000-0x0000000000F8E000-memory.dmp	orcus
behavioral1/memory/688-60-0x00000000001C0000-0x00000000004BE000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
1996	wordpresspoll.exe
2820	wordpresspoll.exe
2872	wordpresspoll.exe
688	wordpresspoll.exe

Loads dropped DLL 1 IoCs

pid	Process
2176	680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 1032	1996	wordpresspoll.exe	32

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	680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wordpresspoll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caspol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wordpresspoll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wordpresspoll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wordpresspoll.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2176	680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20.exe
1996	wordpresspoll.exe
1996	wordpresspoll.exe
1032	caspol.exe
1032	caspol.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20.exe
Token: SeDebugPrivilege	1996	wordpresspoll.exe
Token: SeDebugPrivilege	1032	caspol.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 1996	2176	680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20.exe	30
PID 2176 wrote to memory of 1996	2176	680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20.exe	30
PID 2176 wrote to memory of 1996	2176	680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20.exe	30
PID 2176 wrote to memory of 1996	2176	680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20.exe	30
PID 1996 wrote to memory of 1032	1996	wordpresspoll.exe	32
PID 1996 wrote to memory of 1032	1996	wordpresspoll.exe	32
PID 1996 wrote to memory of 1032	1996	wordpresspoll.exe	32
PID 1996 wrote to memory of 1032	1996	wordpresspoll.exe	32
PID 1996 wrote to memory of 1032	1996	wordpresspoll.exe	32
PID 1996 wrote to memory of 1032	1996	wordpresspoll.exe	32
PID 1996 wrote to memory of 1032	1996	wordpresspoll.exe	32
PID 1996 wrote to memory of 1032	1996	wordpresspoll.exe	32
PID 1996 wrote to memory of 1032	1996	wordpresspoll.exe	32
PID 2536 wrote to memory of 2820	2536	taskeng.exe	33
PID 2536 wrote to memory of 2820	2536	taskeng.exe	33
PID 2536 wrote to memory of 2820	2536	taskeng.exe	33
PID 2536 wrote to memory of 2820	2536	taskeng.exe	33
PID 2536 wrote to memory of 2872	2536	taskeng.exe	36
PID 2536 wrote to memory of 2872	2536	taskeng.exe	36
PID 2536 wrote to memory of 2872	2536	taskeng.exe	36
PID 2536 wrote to memory of 2872	2536	taskeng.exe	36
PID 2536 wrote to memory of 688	2536	taskeng.exe	37
PID 2536 wrote to memory of 688	2536	taskeng.exe	37
PID 2536 wrote to memory of 688	2536	taskeng.exe	37
PID 2536 wrote to memory of 688	2536	taskeng.exe	37

C:\Users\Admin\AppData\Local\Temp\680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20.exe
"C:\Users\Admin\AppData\Local\Temp\680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Roaming\dbsecure\wordpresspoll.exe
  "C:\Users\Admin\AppData\Roaming\dbsecure\wordpresspoll.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:1996
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1032

C:\Windows\system32\taskeng.exe
taskeng.exe {0E9E6B64-619F-49E4-9BB2-86508912BBBA} S-1-5-21-1163522206-1469769407-485553996-1000:PJCSDMRP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Roaming\dbsecure\wordpresspoll.exe
  C:\Users\Admin\AppData\Roaming\dbsecure\wordpresspoll.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2820
- C:\Users\Admin\AppData\Roaming\dbsecure\wordpresspoll.exe
  C:\Users\Admin\AppData\Roaming\dbsecure\wordpresspoll.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Users\Admin\AppData\Roaming\dbsecure\wordpresspoll.exe
  C:\Users\Admin\AppData\Roaming\dbsecure\wordpresspoll.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\Temp\CabC583.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\dbsecure\wordpresspoll.exe

Filesize
3.0MB

MD5
29dd5d00c4d6e98345609e5bccfd6299

SHA1
abb531017a1f2d3748cc7e08d0a7bf20cfa090fd

SHA256
680e8a4b9b2bf7778df082454f42b837ca4c5a75a28d5b367518617a726d8f20

SHA512
c2286a7baaed7e51cc3600d822635db63d1056dcf8c176e545a7ab0a183ae918876dbe87f982e215a438380dccd57669eb7b99dc406728be74ef4e33693566d9

Download Submit
C:\Users\Admin\AppData\Roaming\dbsecure\wordpresspoll.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/688-60-0x00000000001C0000-0x00000000004BE000-memory.dmp

Filesize
3.0MB

Download
memory/1032-25-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1032-37-0x0000000002210000-0x0000000002228000-memory.dmp

Filesize
96KB

Download
memory/1032-56-0x0000000005860000-0x0000000005862000-memory.dmp

Filesize
8KB

Download
memory/1032-55-0x0000000005640000-0x000000000564E000-memory.dmp

Filesize
56KB

Download
memory/1032-38-0x0000000004740000-0x0000000004750000-memory.dmp

Filesize
64KB

Download
memory/1032-22-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1032-26-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1032-28-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1032-31-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1032-32-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1032-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1032-34-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1996-18-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/1996-20-0x00000000005D0000-0x00000000005E2000-memory.dmp

Filesize
72KB

Download
memory/1996-21-0x0000000004530000-0x000000000457E000-memory.dmp

Filesize
312KB

Download
memory/1996-19-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/1996-17-0x0000000000150000-0x000000000044E000-memory.dmp

Filesize
3.0MB

Download
memory/1996-35-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-15-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-3-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-2-0x00000000002F0000-0x00000000002FE000-memory.dmp

Filesize
56KB

Download
memory/2176-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/2176-4-0x0000000000B40000-0x0000000000B9C000-memory.dmp

Filesize
368KB

Download
memory/2176-5-0x00000000006A0000-0x00000000006B2000-memory.dmp

Filesize
72KB

Download
memory/2176-1-0x0000000000BA0000-0x0000000000E9E000-memory.dmp

Filesize
3.0MB

Download
memory/2872-58-0x0000000000C90000-0x0000000000F8E000-memory.dmp

Filesize
3.0MB

Download

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