orcus | 31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339

General

Target

31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe
Size

3.0MB
MD5

143d101b9c5b6681dd09fefce9fd7d47
SHA1

86949c183ef4e7d98b5c69dc9aea19f42ce5db67
SHA256

31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339
SHA512

ce6972498dccf22026b978afb2dac7dbf159f3c1422e83e68e464e1c11fa5f2a530a19e80d4d6c0d14b77c5e36ee765cb026455fcd1e3b5658c009a023ea9eae
SSDEEP

49152:Cs7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpau/nRFfjI7L0qbX:CsHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus se123123123 discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

se123123123

C2

31.44.184.52:16749

Mutex

sudo_qmf7d4zrzmvoa5l7qjtd39imzoj00x5r

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\lowtemp\generatorasync.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/0x0008000000023c49-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/3000-1-0x0000000000AE0000-0x0000000000DDE000-memory.dmp	orcus
behavioral2/files/0x0008000000023c49-13.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-1-5-21-1121399784-3202166597-3503557106-1000\Control Panel\International\Geo\Nation	31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe

Executes dropped EXE 4 IoCs

pid	Process
1412	generatorasync.exe
1704	generatorasync.exe
4812	generatorasync.exe
4460	generatorasync.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 5 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	31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	generatorasync.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	generatorasync.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	generatorasync.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	generatorasync.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1412	generatorasync.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 1412	3000	31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe	86
PID 3000 wrote to memory of 1412	3000	31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe	86
PID 3000 wrote to memory of 1412	3000	31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe	86

C:\Users\Admin\AppData\Local\Temp\31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe
"C:\Users\Admin\AppData\Local\Temp\31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Roaming\lowtemp\generatorasync.exe
  "C:\Users\Admin\AppData\Roaming\lowtemp\generatorasync.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1412

C:\Users\Admin\AppData\Roaming\lowtemp\generatorasync.exe
C:\Users\Admin\AppData\Roaming\lowtemp\generatorasync.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1704

C:\Users\Admin\AppData\Roaming\lowtemp\generatorasync.exe
C:\Users\Admin\AppData\Roaming\lowtemp\generatorasync.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4812

C:\Users\Admin\AppData\Roaming\lowtemp\generatorasync.exe
C:\Users\Admin\AppData\Roaming\lowtemp\generatorasync.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4460

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\generatorasync.exe.log

Filesize
1KB

MD5
0672db2ef13237d5cb85075ff4915942

SHA1
ad8b4d3eb5e40791c47d48b22e273486f25f663f

SHA256
0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

SHA512
84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

Download Submit
C:\Users\Admin\AppData\Roaming\lowtemp\generatorasync.exe

Filesize
3.0MB

MD5
143d101b9c5b6681dd09fefce9fd7d47

SHA1
86949c183ef4e7d98b5c69dc9aea19f42ce5db67

SHA256
31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339

SHA512
ce6972498dccf22026b978afb2dac7dbf159f3c1422e83e68e464e1c11fa5f2a530a19e80d4d6c0d14b77c5e36ee765cb026455fcd1e3b5658c009a023ea9eae

Download Submit
C:\Users\Admin\AppData\Roaming\lowtemp\generatorasync.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1412-35-0x00000000076F0000-0x0000000007702000-memory.dmp

Filesize
72KB

Download
memory/1412-30-0x0000000007010000-0x000000000701A000-memory.dmp

Filesize
40KB

Download
memory/1412-42-0x00000000744C0000-0x0000000074C70000-memory.dmp

Filesize
7.7MB

Download
memory/1412-39-0x0000000008310000-0x00000000084D2000-memory.dmp

Filesize
1.8MB

Download
memory/1412-38-0x0000000007910000-0x0000000007A1A000-memory.dmp

Filesize
1.0MB

Download
memory/1412-37-0x0000000007790000-0x00000000077DC000-memory.dmp

Filesize
304KB

Download
memory/1412-36-0x0000000007750000-0x000000000778C000-memory.dmp

Filesize
240KB

Download
memory/1412-24-0x00000000744C0000-0x0000000074C70000-memory.dmp

Filesize
7.7MB

Download
memory/1412-34-0x0000000007CF0000-0x0000000008308000-memory.dmp

Filesize
6.1MB

Download
memory/1412-25-0x00000000744C0000-0x0000000074C70000-memory.dmp

Filesize
7.7MB

Download
memory/1412-26-0x0000000006260000-0x00000000062AE000-memory.dmp

Filesize
312KB

Download
memory/1412-28-0x0000000006A10000-0x0000000006A28000-memory.dmp

Filesize
96KB

Download
memory/1412-29-0x0000000006CF0000-0x0000000006D00000-memory.dmp

Filesize
64KB

Download
memory/1412-33-0x0000000007660000-0x00000000076C6000-memory.dmp

Filesize
408KB

Download
memory/1704-32-0x00000000744C0000-0x0000000074C70000-memory.dmp

Filesize
7.7MB

Download
memory/1704-31-0x00000000744C0000-0x0000000074C70000-memory.dmp

Filesize
7.7MB

Download
memory/1704-41-0x00000000744C0000-0x0000000074C70000-memory.dmp

Filesize
7.7MB

Download
memory/3000-4-0x00000000744C0000-0x0000000074C70000-memory.dmp

Filesize
7.7MB

Download
memory/3000-23-0x00000000744C0000-0x0000000074C70000-memory.dmp

Filesize
7.7MB

Download
memory/3000-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/3000-2-0x0000000003160000-0x000000000316E000-memory.dmp

Filesize
56KB

Download
memory/3000-3-0x00000000057B0000-0x000000000580C000-memory.dmp

Filesize
368KB

Download
memory/3000-7-0x0000000005A80000-0x0000000005A92000-memory.dmp

Filesize
72KB

Download
memory/3000-6-0x0000000005B80000-0x0000000005C12000-memory.dmp

Filesize
584KB

Download
memory/3000-5-0x0000000006130000-0x00000000066D4000-memory.dmp

Filesize
5.6MB

Download
memory/3000-1-0x0000000000AE0000-0x0000000000DDE000-memory.dmp

Filesize
3.0MB

Download

Analysis

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