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
behavioral2/files/0x000a000000023b97-48.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/1268-1-0x00000000006B0000-0x000000000079E000-memory.dmp	orcus
behavioral2/files/0x000a000000023b97-48.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe

Executes dropped EXE 3 IoCs

pid	Process
220	WindowsInput.exe
1232	WindowsInput.exe
692	Defender.exe

Drops file in System32 directory 3 IoCs

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

Drops file in Program Files directory 3 IoCs

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

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 5 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 220	1268	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	84
PID 1268 wrote to memory of 220	1268	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	84
PID 1268 wrote to memory of 692	1268	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	86
PID 1268 wrote to memory of 692	1268	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	86
PID 1268 wrote to memory of 692	1268	7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe	86

C:\Users\Admin\AppData\Local\Temp\7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe
"C:\Users\Admin\AppData\Local\Temp\7b0ed4f91e2801784eb139e0928eb9688e2ee2f35bd0eeb5ce8d9e7b83199b25.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:220
- 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:692

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:1232

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:\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
570acb44103bcf8389490fce3207ea8a

SHA1
7744aa0aad34e03f127a1cc0532214d4ab7c2dff

SHA256
6e60435608a45ddb1a6385ea389cc869b2f6fe3b0bfdd3b1eed1dc8f15d0b22b

SHA512
5600f6b241be31ded9446622cc3b411cd36875bbaea29b9c0018ab6bcc279bcc04c411fd8e3b0036bf0d424c50839fdf644b132a5507bd1bb5bc01601835643e

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

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/220-35-0x00007FFB5C080000-0x00007FFB5CB41000-memory.dmp

Filesize
10.8MB

Download
memory/220-39-0x00007FFB5C080000-0x00007FFB5CB41000-memory.dmp

Filesize
10.8MB

Download
memory/220-33-0x0000000001320000-0x0000000001332000-memory.dmp

Filesize
72KB

Download
memory/220-34-0x0000000002B60000-0x0000000002B9C000-memory.dmp

Filesize
240KB

Download
memory/220-32-0x0000000000A40000-0x0000000000A4C000-memory.dmp

Filesize
48KB

Download
memory/220-31-0x00007FFB5C083000-0x00007FFB5C085000-memory.dmp

Filesize
8KB

Download
memory/692-60-0x0000000004B40000-0x0000000004B52000-memory.dmp

Filesize
72KB

Download
memory/692-63-0x00000000063E0000-0x000000000642E000-memory.dmp

Filesize
312KB

Download
memory/1232-42-0x000000001ADD0000-0x000000001AEDA000-memory.dmp

Filesize
1.0MB

Download
memory/1232-41-0x00007FFB5C080000-0x00007FFB5CB41000-memory.dmp

Filesize
10.8MB

Download
memory/1232-67-0x00007FFB5C080000-0x00007FFB5CB41000-memory.dmp

Filesize
10.8MB

Download
memory/1268-8-0x0000000005160000-0x0000000005168000-memory.dmp

Filesize
32KB

Download
memory/1268-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/1268-15-0x0000000005FC0000-0x00000000060CA000-memory.dmp

Filesize
1.0MB

Download
memory/1268-14-0x0000000005E40000-0x0000000005E8C000-memory.dmp

Filesize
304KB

Download
memory/1268-13-0x0000000005E00000-0x0000000005E3C000-memory.dmp

Filesize
240KB

Download
memory/1268-12-0x0000000005DA0000-0x0000000005DB2000-memory.dmp

Filesize
72KB

Download
memory/1268-11-0x00000000063C0000-0x00000000069D8000-memory.dmp

Filesize
6.1MB

Download
memory/1268-10-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/1268-9-0x0000000005590000-0x0000000005598000-memory.dmp

Filesize
32KB

Download
memory/1268-17-0x0000000006350000-0x0000000006372000-memory.dmp

Filesize
136KB

Download
memory/1268-7-0x0000000005150000-0x0000000005162000-memory.dmp

Filesize
72KB

Download
memory/1268-6-0x0000000005170000-0x0000000005202000-memory.dmp

Filesize
584KB

Download
memory/1268-5-0x0000000005680000-0x0000000005C24000-memory.dmp

Filesize
5.6MB

Download
memory/1268-59-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/1268-3-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/1268-4-0x0000000005000000-0x000000000505C000-memory.dmp

Filesize
368KB

Download
memory/1268-2-0x0000000001060000-0x000000000106E000-memory.dmp

Filesize
56KB

Download
memory/1268-1-0x00000000006B0000-0x000000000079E000-memory.dmp

Filesize
952KB

Download

Analysis

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