orcus | b3eb7c2a95c3dc74c606dfe6975c4c72ae58871723b09e7facba6d015d51bbc9

General

Target

edfc3a2e27bb65d1101900c5e200d665_JaffaCakes118.exe
Size

1.2MB
MD5

edfc3a2e27bb65d1101900c5e200d665
SHA1

943137152b57ebda5eec0e1ba8cf45778b112894
SHA256

b3eb7c2a95c3dc74c606dfe6975c4c72ae58871723b09e7facba6d015d51bbc9
SHA512

6273333d60a054b821f0b3e5dd64f1277dbd9214f0d03fd9fae0bf31bcc5d88dac42561eb1270e3d697661e6e57de37b301b2d107df483d3ff9fef53a7febfbc
SSDEEP

24576:7q3bS04YNEMuExDiU6E5R9s8xY/2l/dRJ5dtsPxNGfqVjpgIbt+re:7q3x4auS+UjfU2T/5XDyNuIbt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

192.168.0.136

Mutex

b65c6d31bcc940738eb2c12ffd0c41a8

Attributes

administration_rights_required
false
anti_debugger
false
anti_tcp_analyzer
false
antivm
false
autostart_method
1
change_creation_date
false
force_installer_administrator_privileges
false
hide_file
false
install
false
installation_folder
%appdata%\Microsoft\Speech\AudioDriver.exe
installservice
false
keylogger_enabled
false
newcreationdate
11/18/2018 14:05:43
plugins
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
reconnect_delay
10000
registry_autostart_keyname
Audio HD Driver
registry_hidden_autostart
false
set_admin_flag
false
tasksch_name
Audio HD Driver
tasksch_request_highest_privileges
false
try_other_autostart_onfail
false

aes.plain

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer 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

Processes:

edfc3a2e27bb65d1101900c5e200d665_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	edfc3a2e27bb65d1101900c5e200d665_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

AudioDriver.exe

pid	Process
3112	AudioDriver.exe

Loads dropped DLL 1 IoCs

Processes:

AudioDriver.exe

pid	Process
3112	AudioDriver.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

Processes:

edfc3a2e27bb65d1101900c5e200d665_JaffaCakes118.exeAudioDriver.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edfc3a2e27bb65d1101900c5e200d665_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

AudioDriver.exe

pid	Process
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe
3112	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

AudioDriver.exe

description	pid	Process
Token: SeDebugPrivilege	3112	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AudioDriver.exe

pid	Process
3112	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

Processes:

AudioDriver.exe

pid	Process
3112	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

edfc3a2e27bb65d1101900c5e200d665_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2784 wrote to memory of 3112	2784	edfc3a2e27bb65d1101900c5e200d665_JaffaCakes118.exe	90
PID 2784 wrote to memory of 3112	2784	edfc3a2e27bb65d1101900c5e200d665_JaffaCakes118.exe	90
PID 2784 wrote to memory of 3112	2784	edfc3a2e27bb65d1101900c5e200d665_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\edfc3a2e27bb65d1101900c5e200d665_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\edfc3a2e27bb65d1101900c5e200d665_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:3112

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4144,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=4416 /prefetch:8
1⤵
PID:1568

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\Roaming\GamerView\sqlite3.dll

Filesize
626KB

MD5
d8aec01ff14e3e7ad43a4b71e30482e4

SHA1
e3015f56f17d845ec7eef11d41bbbc28cc16d096

SHA256
da1d608be064555ab3d3d35e6db64527b8c44f3fa5ddd7c3ec723f80fc99736e

SHA512
f5b2f4bda0cc13e1d1c541fb0caea14081ee4daffd497e31a3d4d55d5f9d85a61158b4891a6527efe623b2f32b697ac912320d9be5c0303812ca98dcc8866fcf

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

Filesize
1.2MB

MD5
edfc3a2e27bb65d1101900c5e200d665

SHA1
943137152b57ebda5eec0e1ba8cf45778b112894

SHA256
b3eb7c2a95c3dc74c606dfe6975c4c72ae58871723b09e7facba6d015d51bbc9

SHA512
6273333d60a054b821f0b3e5dd64f1277dbd9214f0d03fd9fae0bf31bcc5d88dac42561eb1270e3d697661e6e57de37b301b2d107df483d3ff9fef53a7febfbc

Download Submit
memory/2784-8-0x0000000005810000-0x0000000005818000-memory.dmp

Filesize
32KB

Download
memory/2784-13-0x00000000063A0000-0x00000000063EE000-memory.dmp

Filesize
312KB

Download
memory/2784-4-0x0000000005930000-0x0000000005ED4000-memory.dmp

Filesize
5.6MB

Download
memory/2784-5-0x0000000005720000-0x00000000057B2000-memory.dmp

Filesize
584KB

Download
memory/2784-6-0x0000000005680000-0x00000000056CC000-memory.dmp

Filesize
304KB

Download
memory/2784-7-0x0000000005830000-0x0000000005896000-memory.dmp

Filesize
408KB

Download
memory/2784-9-0x00000000058E0000-0x00000000058E8000-memory.dmp

Filesize
32KB

Download
memory/2784-10-0x00000000061E0000-0x0000000006298000-memory.dmp

Filesize
736KB

Download
memory/2784-0-0x00000000750EE000-0x00000000750EF000-memory.dmp

Filesize
4KB

Download
memory/2784-3-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/2784-2-0x0000000002CC0000-0x0000000002CCA000-memory.dmp

Filesize
40KB

Download
memory/2784-25-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/2784-1-0x0000000000770000-0x00000000008A2000-memory.dmp

Filesize
1.2MB

Download
memory/3112-27-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/3112-29-0x0000000006450000-0x0000000006460000-memory.dmp

Filesize
64KB

Download
memory/3112-28-0x00000000064E0000-0x00000000066A2000-memory.dmp

Filesize
1.8MB

Download
memory/3112-26-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/3112-38-0x0000000006BB0000-0x0000000006BBA000-memory.dmp

Filesize
40KB

Download
memory/3112-39-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/3112-40-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads