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
behavioral1/files/0x0008000000015d81-10.dat	family_orcus

Orcurs Rat Executable 8 IoCs

resource	yara_rule
behavioral1/memory/2856-1-0x0000000000DF0000-0x00000000010EE000-memory.dmp	orcus
behavioral1/files/0x0008000000015d81-10.dat	orcus
behavioral1/memory/2780-18-0x0000000001210000-0x000000000150E000-memory.dmp	orcus
behavioral1/memory/2740-25-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2740-33-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2740-30-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2740-31-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2740-27-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2780	generatorlow.exe
292	generatorlow.exe
2352	generatorlow.exe
2128	generatorlow.exe

Loads dropped DLL 1 IoCs

pid	Process
2856	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 2740	2780	generatorlow.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	generatorlow.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	caspol.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2856	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe
2780	generatorlow.exe
2780	generatorlow.exe
2740	caspol.exe
2740	caspol.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2856	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe
Token: SeDebugPrivilege	2780	generatorlow.exe
Token: SeDebugPrivilege	2740	caspol.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2780	2856	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe	30
PID 2856 wrote to memory of 2780	2856	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe	30
PID 2856 wrote to memory of 2780	2856	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe	30
PID 2856 wrote to memory of 2780	2856	1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe	30
PID 2780 wrote to memory of 2740	2780	generatorlow.exe	32
PID 2780 wrote to memory of 2740	2780	generatorlow.exe	32
PID 2780 wrote to memory of 2740	2780	generatorlow.exe	32
PID 2780 wrote to memory of 2740	2780	generatorlow.exe	32
PID 2780 wrote to memory of 2740	2780	generatorlow.exe	32
PID 2780 wrote to memory of 2740	2780	generatorlow.exe	32
PID 2780 wrote to memory of 2740	2780	generatorlow.exe	32
PID 2780 wrote to memory of 2740	2780	generatorlow.exe	32
PID 2780 wrote to memory of 2740	2780	generatorlow.exe	32
PID 2672 wrote to memory of 292	2672	taskeng.exe	33
PID 2672 wrote to memory of 292	2672	taskeng.exe	33
PID 2672 wrote to memory of 292	2672	taskeng.exe	33
PID 2672 wrote to memory of 292	2672	taskeng.exe	33
PID 2672 wrote to memory of 2352	2672	taskeng.exe	36
PID 2672 wrote to memory of 2352	2672	taskeng.exe	36
PID 2672 wrote to memory of 2352	2672	taskeng.exe	36
PID 2672 wrote to memory of 2352	2672	taskeng.exe	36
PID 2672 wrote to memory of 2128	2672	taskeng.exe	37
PID 2672 wrote to memory of 2128	2672	taskeng.exe	37
PID 2672 wrote to memory of 2128	2672	taskeng.exe	37
PID 2672 wrote to memory of 2128	2672	taskeng.exe	37

C:\Users\Admin\AppData\Local\Temp\1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe
"C:\Users\Admin\AppData\Local\Temp\1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2856
- 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:2780
- - 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:2740

C:\Windows\system32\taskeng.exe
taskeng.exe {9C7BF58D-7A86-4C44-971C-EE0DBD2B9AE1} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
  C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:292
- C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
  C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2352
- C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
  C:\Users\Admin\AppData\Roaming\flowerflower\generatorlow.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2128

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab38CE.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

Filesize
3.0MB

MD5
62eaad096aa6a0eff674fd2a9f994c3a

SHA1
a57b42866d910afa7654d45e0b39d7fc85801bdd

SHA256
1e5e233d86bc7dc4284f9b0b1e78c6cda9058b0dde4cd725aa4ddaf3f833bb4a

SHA512
3722fd3442d2bd4f89c1926c3fc7baf061e750ab0ed985dfb84d921fc529f4c01fa543bde3f86144d503d1b1349cbba9c8e0d45958973e7b02b659ab3be7d534

Download Submit
memory/2740-25-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2740-37-0x0000000000890000-0x00000000008A8000-memory.dmp

Filesize
96KB

Download
memory/2740-56-0x0000000005320000-0x0000000005322000-memory.dmp

Filesize
8KB

Download
memory/2740-55-0x0000000005110000-0x000000000511E000-memory.dmp

Filesize
56KB

Download
memory/2740-38-0x00000000008D0000-0x00000000008E0000-memory.dmp

Filesize
64KB

Download
memory/2740-35-0x00000000003B0000-0x00000000003C2000-memory.dmp

Filesize
72KB

Download
memory/2740-21-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2740-27-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2740-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-31-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2740-23-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2740-30-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2740-33-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2780-34-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2780-20-0x0000000000BF0000-0x0000000000C3E000-memory.dmp

Filesize
312KB

Download
memory/2780-19-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2780-18-0x0000000001210000-0x000000000150E000-memory.dmp

Filesize
3.0MB

Download
memory/2780-16-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2856-4-0x00000000049E0000-0x0000000004A3C000-memory.dmp

Filesize
368KB

Download
memory/2856-17-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-2-0x0000000000370000-0x000000000037E000-memory.dmp

Filesize
56KB

Download
memory/2856-1-0x0000000000DF0000-0x00000000010EE000-memory.dmp

Filesize
3.0MB

Download
memory/2856-3-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-5-0x0000000000660000-0x0000000000672000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing