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
behavioral1/files/0x0008000000016d0e-10.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2728-1-0x00000000011C0000-0x00000000014BE000-memory.dmp	orcus
behavioral1/files/0x0008000000016d0e-10.dat	orcus
behavioral1/memory/2648-17-0x0000000000E60000-0x000000000115E000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2648	generatorasync.exe
2252	generatorasync.exe
1192	generatorasync.exe
1112	generatorasync.exe

Loads dropped DLL 1 IoCs

pid	Process
2728	31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.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	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	31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	generatorasync.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	generatorasync.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2648	2728	31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe	30
PID 2728 wrote to memory of 2648	2728	31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe	30
PID 2728 wrote to memory of 2648	2728	31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe	30
PID 2728 wrote to memory of 2648	2728	31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe	30
PID 2528 wrote to memory of 2252	2528	taskeng.exe	32
PID 2528 wrote to memory of 2252	2528	taskeng.exe	32
PID 2528 wrote to memory of 2252	2528	taskeng.exe	32
PID 2528 wrote to memory of 2252	2528	taskeng.exe	32
PID 2528 wrote to memory of 1192	2528	taskeng.exe	35
PID 2528 wrote to memory of 1192	2528	taskeng.exe	35
PID 2528 wrote to memory of 1192	2528	taskeng.exe	35
PID 2528 wrote to memory of 1192	2528	taskeng.exe	35
PID 2528 wrote to memory of 1112	2528	taskeng.exe	36
PID 2528 wrote to memory of 1112	2528	taskeng.exe	36
PID 2528 wrote to memory of 1112	2528	taskeng.exe	36
PID 2528 wrote to memory of 1112	2528	taskeng.exe	36

C:\Users\Admin\AppData\Local\Temp\31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe
"C:\Users\Admin\AppData\Local\Temp\31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728
- 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:2648

C:\Windows\system32\taskeng.exe
taskeng.exe {9ABE6D1E-B99C-43C9-8490-3E252739EC72} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- 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
  PID:2252
- 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
  PID:1192
- 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
  PID:1112

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:\Users\Admin\AppData\Local\Temp\Cab652B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

Filesize
3.0MB

MD5
143d101b9c5b6681dd09fefce9fd7d47

SHA1
86949c183ef4e7d98b5c69dc9aea19f42ce5db67

SHA256
31231dc68d96f1267850ebd07eae10a73d54a66568c6b44a3e4c9be9dd901339

SHA512
ce6972498dccf22026b978afb2dac7dbf159f3c1422e83e68e464e1c11fa5f2a530a19e80d4d6c0d14b77c5e36ee765cb026455fcd1e3b5658c009a023ea9eae

Download Submit
memory/2648-20-0x0000000000BD0000-0x0000000000BE8000-memory.dmp

Filesize
96KB

Download
memory/2648-18-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2648-17-0x0000000000E60000-0x000000000115E000-memory.dmp

Filesize
3.0MB

Download
memory/2648-19-0x0000000000710000-0x000000000075E000-memory.dmp

Filesize
312KB

Download
memory/2648-21-0x0000000000D70000-0x0000000000D80000-memory.dmp

Filesize
64KB

Download
memory/2648-39-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-4-0x00000000009C0000-0x0000000000A1C000-memory.dmp

Filesize
368KB

Download
memory/2728-5-0x0000000000830000-0x0000000000842000-memory.dmp

Filesize
72KB

Download
memory/2728-3-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-16-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-2-0x0000000000610000-0x000000000061E000-memory.dmp

Filesize
56KB

Download
memory/2728-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2728-1-0x00000000011C0000-0x00000000014BE000-memory.dmp

Filesize
3.0MB

Download

Analysis

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