orcus | 1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a

General

Target

1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe
Size

3.0MB
MD5

62eaad096aa6a0eff674fd2a9f994c3a
SHA1

a57b42866d910afa7654d45e0b39d7fc85801bdd
SHA256

1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a
SHA512

3722fd3442d2bd4f89c1926c3fc7baf061e750ab0ed985dfb84d921fc529f4c01fa543bde3f86144d503d1b1349cbba9c8e0d45958973e7b02b659ab3be7d534
SSDEEP

49152:Cs7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpau/nRFfjI7L0qb:CsHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus 123 discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

123

C2

31.44.184.52:15288

Mutex

sudo_zlylfgctd9nno1u5mdh1vfhz9ydop65l

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\flowerflower\generatorlow.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/0x0007000000023cb6-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/1008-1-0x00000000003D0000-0x00000000006CE000-memory.dmp	orcus
behavioral2/files/0x0007000000023cb6-13.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe

Executes dropped EXE 5 IoCs

pid	Process
648	generatorlow.exe
4260	generatorlow.exe
4560	generatorlow.exe
668	generatorlow.exe
2536	generatorlow.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 648 set thread context of 1744	648	generatorlow.exe	84
PID 4260 set thread context of 1436	4260	generatorlow.exe	86

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	generatorlow.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	generatorlow.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	generatorlow.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	generatorlow.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	generatorlow.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1008	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe
648	generatorlow.exe
648	generatorlow.exe
4260	generatorlow.exe
4260	generatorlow.exe
1436	msbuild.exe
1436	msbuild.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1008	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe
Token: SeDebugPrivilege	648	generatorlow.exe
Token: SeDebugPrivilege	4260	generatorlow.exe
Token: SeDebugPrivilege	1436	msbuild.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 648	1008	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe	82
PID 1008 wrote to memory of 648	1008	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe	82
PID 1008 wrote to memory of 648	1008	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe	82
PID 648 wrote to memory of 1744	648	generatorlow.exe	84
PID 648 wrote to memory of 1744	648	generatorlow.exe	84
PID 648 wrote to memory of 1744	648	generatorlow.exe	84
PID 648 wrote to memory of 1744	648	generatorlow.exe	84
PID 648 wrote to memory of 1744	648	generatorlow.exe	84
PID 648 wrote to memory of 1744	648	generatorlow.exe	84
PID 648 wrote to memory of 1744	648	generatorlow.exe	84
PID 648 wrote to memory of 1744	648	generatorlow.exe	84
PID 4260 wrote to memory of 1436	4260	generatorlow.exe	86
PID 4260 wrote to memory of 1436	4260	generatorlow.exe	86
PID 4260 wrote to memory of 1436	4260	generatorlow.exe	86
PID 4260 wrote to memory of 1436	4260	generatorlow.exe	86
PID 4260 wrote to memory of 1436	4260	generatorlow.exe	86
PID 4260 wrote to memory of 1436	4260	generatorlow.exe	86
PID 4260 wrote to memory of 1436	4260	generatorlow.exe	86
PID 4260 wrote to memory of 1436	4260	generatorlow.exe	86

C:\Users\Admin\AppData\Local\Temp\1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe
"C:\Users\Admin\AppData\Local\Temp\1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
  "C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.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:648
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1744

C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.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:4260
- 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:1436

C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4560

C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:668

C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2536

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\generatorlow.exe.log

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe

Filesize
3.0MB

MD5
62eaad096aa6a0eff674fd2a9f994c3a

SHA1
a57b42866d910afa7654d45e0b39d7fc85801bdd

SHA256
1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a

SHA512
3722fd3442d2bd4f89c1926c3fc7baf061e750ab0ed985dfb84d921fc529f4c01fa543bde3f86144d503d1b1349cbba9c8e0d45958973e7b02b659ab3be7d534

Download Submit
C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/648-34-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/648-24-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/648-28-0x00000000063B0000-0x000000000644C000-memory.dmp

Filesize
624KB

Download
memory/648-26-0x0000000005A70000-0x0000000005ABE000-memory.dmp

Filesize
312KB

Download
memory/648-25-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/1008-2-0x00000000029D0000-0x00000000029DE000-memory.dmp

Filesize
56KB

Download
memory/1008-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download
memory/1008-23-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/1008-3-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/1008-7-0x0000000005910000-0x0000000005922000-memory.dmp

Filesize
72KB

Download
memory/1008-6-0x0000000005430000-0x00000000054C2000-memory.dmp

Filesize
584KB

Download
memory/1008-5-0x00000000059E0000-0x0000000005F84000-memory.dmp

Filesize
5.6MB

Download
memory/1008-1-0x00000000003D0000-0x00000000006CE000-memory.dmp

Filesize
3.0MB

Download
memory/1008-4-0x00000000052E0000-0x000000000533C000-memory.dmp

Filesize
368KB

Download
memory/1436-39-0x0000000005AD0000-0x0000000005AE8000-memory.dmp

Filesize
96KB

Download
memory/1436-40-0x0000000006450000-0x0000000006460000-memory.dmp

Filesize
64KB

Download
memory/1436-41-0x00000000065D0000-0x00000000065DA000-memory.dmp

Filesize
40KB

Download
memory/4260-33-0x0000000005B10000-0x0000000005B22000-memory.dmp

Filesize
72KB

Download
memory/4260-32-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4260-29-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4260-38-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing