orcus | 7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25

General

Target

7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe
Size

924KB
MD5

eb8463d0ce192dbc87e7bdb2f5530afd
SHA1

7012374f28429b0aa8ad469b9fe363466351545f
SHA256

7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25
SHA512

925dfdb9961030bea95c908d40c166b397bca410e0eba5c881fe810e3c3af604df332b556bba5ccc1c53e06b3c1d3b6a94fbde4d6b7c7d448ef78db9b9d29c69
SSDEEP

24576:bCC4MROxnFE3mi9rbEI0AilFEvxH44ooM:bKMiup9rbEI0AilFEvxH4

Score

10^/10

orcus test_leo_fake discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

TEST_LEO_FAKE

C2

0.0.0.0:1268

Mutex

4b7e745d24cf405ca3d04bd10e33b1c6

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\Windows_Defender\Defender.exe
reconnect_delay
10000
registry_keyname
W_Defender
taskscheduler_taskname
Orcus
watchdog_path
AppData\Defender.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/0x0008000000016409-30.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2688-1-0x0000000000200000-0x00000000002EE000-memory.dmp	orcus
behavioral1/files/0x0008000000016409-30.dat	orcus
behavioral1/memory/556-35-0x0000000000BA0000-0x0000000000C8E000-memory.dmp	orcus

Executes dropped EXE 3 IoCs

pid	Process
2576	WindowsInput.exe
2592	WindowsInput.exe
556	Defender.exe

Loads dropped DLL 2 IoCs

pid	Process
2688	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe
2688	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows_Defender\Defender.exe	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe
File opened for modification	C:\Program Files (x86)\Windows_Defender\Defender.exe	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe
File created	C:\Program Files (x86)\Windows_Defender\Defender.exe.config	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe

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 2 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	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Defender.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2576	2688	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	32
PID 2688 wrote to memory of 2576	2688	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	32
PID 2688 wrote to memory of 2576	2688	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	32
PID 2688 wrote to memory of 2576	2688	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	32
PID 2688 wrote to memory of 556	2688	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	34
PID 2688 wrote to memory of 556	2688	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	34
PID 2688 wrote to memory of 556	2688	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	34
PID 2688 wrote to memory of 556	2688	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	34

C:\Users\Admin\AppData\Local\Temp\7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe
"C:\Users\Admin\AppData\Local\Temp\7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2576
- C:\Program Files (x86)\Windows_Defender\Defender.exe
  "C:\Program Files (x86)\Windows_Defender\Defender.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:556

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2592

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

Replay Monitor

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Downloads

C:\Program Files (x86)\Windows_Defender\Defender.exe

Filesize
924KB

MD5
eb8463d0ce192dbc87e7bdb2f5530afd

SHA1
7012374f28429b0aa8ad469b9fe363466351545f

SHA256
7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25

SHA512
925dfdb9961030bea95c908d40c166b397bca410e0eba5c881fe810e3c3af604df332b556bba5ccc1c53e06b3c1d3b6a94fbde4d6b7c7d448ef78db9b9d29c69

Download Submit
C:\Users\Admin\AppData\Roaming\Files\err_4b7e745d24cf405ca3d04bd10e33b1c6.dat

Filesize
1KB

MD5
c9a7ed1fd6c651ea5c5e2963733aa4af

SHA1
86322fe5954aae18bfded9f9f4e4f7b19106f3b7

SHA256
dcb37d83f4399918fe88160d48bb4bcff913224c661a521faaff69dc2fd70440

SHA512
0e38f45b455c7746dd7d96b4b62a95a311e02af462f1e1bc8d6d87f6c19abcd0d47ecf011b6194f96e38934aae185904bf7a7d350fbfadb8a310c69d4fd5617e

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
memory/556-40-0x0000000004350000-0x000000000439E000-memory.dmp

Filesize
312KB

Download
memory/556-37-0x0000000000A30000-0x0000000000A42000-memory.dmp

Filesize
72KB

Download
memory/556-35-0x0000000000BA0000-0x0000000000C8E000-memory.dmp

Filesize
952KB

Download
memory/2576-16-0x000007FEF5FE3000-0x000007FEF5FE4000-memory.dmp

Filesize
4KB

Download
memory/2576-18-0x0000000000F40000-0x0000000000F4C000-memory.dmp

Filesize
48KB

Download
memory/2576-19-0x000007FEF5FE0000-0x000007FEF69CC000-memory.dmp

Filesize
9.9MB

Download
memory/2576-22-0x000007FEF5FE0000-0x000007FEF69CC000-memory.dmp

Filesize
9.9MB

Download
memory/2688-7-0x0000000000630000-0x0000000000638000-memory.dmp

Filesize
32KB

Download
memory/2688-6-0x0000000000480000-0x0000000000488000-memory.dmp

Filesize
32KB

Download
memory/2688-0-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/2688-5-0x0000000000340000-0x0000000000352000-memory.dmp

Filesize
72KB

Download
memory/2688-4-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-36-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-3-0x0000000000390000-0x00000000003EC000-memory.dmp

Filesize
368KB

Download
memory/2688-2-0x00000000002F0000-0x00000000002FE000-memory.dmp

Filesize
56KB

Download
memory/2688-1-0x0000000000200000-0x00000000002EE000-memory.dmp

Filesize
952KB

Download

Analysis

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