orcus | 167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305

General

Target

167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe
Size

3.0MB
MD5

e8f13261dd999c4ee751a34728fe5b89
SHA1

a663216f44289292961bed4ac807ee54ef666ac4
SHA256

167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305
SHA512

eef63c6764704b4a13656015a97d3d8bbfaa09cef3c1f95af65cbfef1768a312cbfbfe198f4a8be5ed78b4bc60054e232c3809c3446d0c2f0ba67b3765271887
SSDEEP

49152:bGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:bLHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus solara_installer credential_access discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Solara_Installer

C2

31.44.184.52:15288

Mutex

sudo_jeldug88ys400apl7az25mf2jie33cl8

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\dleimage\centralgenerator.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 main payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x0008000000023423-13.dat	family_orcus

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Orcurs Rat Executable 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2308-1-0x00000000009F0000-0x0000000000CFE000-memory.dmp	orcus
behavioral2/files/0x0008000000023423-13.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

Processes:

167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe

Executes dropped EXE 4 IoCs

Processes:

centralgenerator.execentralgenerator.execentralgenerator.execentralgenerator.exe

pid	Process
376	centralgenerator.exe
3420	centralgenerator.exe
4768	centralgenerator.exe
1272	centralgenerator.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

centralgenerator.exe

description	pid	Process	procid_target
PID 376 set thread context of 4152	376	centralgenerator.exe	88

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

Processes:

centralgenerator.exemsbuild.execentralgenerator.execentralgenerator.exe167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.execentralgenerator.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	centralgenerator.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	centralgenerator.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	centralgenerator.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	centralgenerator.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.execentralgenerator.exemsbuild.exe

pid	Process
2308	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe
376	centralgenerator.exe
376	centralgenerator.exe
4152	msbuild.exe
4152	msbuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.execentralgenerator.exemsbuild.exe

description	pid	Process
Token: SeDebugPrivilege	2308	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe
Token: SeDebugPrivilege	376	centralgenerator.exe
Token: SeDebugPrivilege	4152	msbuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.execentralgenerator.exe

description	pid	Process	procid_target
PID 2308 wrote to memory of 376	2308	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe	86
PID 2308 wrote to memory of 376	2308	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe	86
PID 2308 wrote to memory of 376	2308	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe	86
PID 376 wrote to memory of 4152	376	centralgenerator.exe	88
PID 376 wrote to memory of 4152	376	centralgenerator.exe	88
PID 376 wrote to memory of 4152	376	centralgenerator.exe	88
PID 376 wrote to memory of 4152	376	centralgenerator.exe	88
PID 376 wrote to memory of 4152	376	centralgenerator.exe	88
PID 376 wrote to memory of 4152	376	centralgenerator.exe	88
PID 376 wrote to memory of 4152	376	centralgenerator.exe	88
PID 376 wrote to memory of 4152	376	centralgenerator.exe	88

C:\Users\Admin\AppData\Local\Temp\167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe
"C:\Users\Admin\AppData\Local\Temp\167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
  "C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.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:376
- - 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
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4152

C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3420

C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4768

C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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

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Downloads

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

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe

Filesize
3.0MB

MD5
e8f13261dd999c4ee751a34728fe5b89

SHA1
a663216f44289292961bed4ac807ee54ef666ac4

SHA256
167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305

SHA512
eef63c6764704b4a13656015a97d3d8bbfaa09cef3c1f95af65cbfef1768a312cbfbfe198f4a8be5ed78b4bc60054e232c3809c3446d0c2f0ba67b3765271887

Download Submit
C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/376-25-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/376-23-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/376-33-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/376-29-0x0000000006C80000-0x0000000006D1C000-memory.dmp

Filesize
624KB

Download
memory/376-27-0x0000000006330000-0x000000000637E000-memory.dmp

Filesize
312KB

Download
memory/376-26-0x0000000005CA0000-0x0000000005CB2000-memory.dmp

Filesize
72KB

Download
memory/2308-7-0x0000000005910000-0x0000000005922000-memory.dmp

Filesize
72KB

Download
memory/2308-24-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/2308-2-0x00000000030F0000-0x00000000030FE000-memory.dmp

Filesize
56KB

Download
memory/2308-1-0x00000000009F0000-0x0000000000CFE000-memory.dmp

Filesize
3.1MB

Download
memory/2308-3-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/2308-4-0x0000000005930000-0x000000000598C000-memory.dmp

Filesize
368KB

Download
memory/2308-6-0x0000000005A70000-0x0000000005B02000-memory.dmp

Filesize
584KB

Download
memory/2308-0-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/2308-5-0x0000000006020000-0x00000000065C4000-memory.dmp

Filesize
5.6MB

Download
memory/3420-32-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/3420-34-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/3420-48-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4152-42-0x0000000007680000-0x00000000076CC000-memory.dmp

Filesize
304KB

Download
memory/4152-38-0x0000000007540000-0x00000000075A6000-memory.dmp

Filesize
408KB

Download
memory/4152-40-0x00000000075E0000-0x00000000075F2000-memory.dmp

Filesize
72KB

Download
memory/4152-41-0x0000000007640000-0x000000000767C000-memory.dmp

Filesize
240KB

Download
memory/4152-35-0x0000000005C10000-0x0000000005C28000-memory.dmp

Filesize
96KB

Download
memory/4152-39-0x0000000007BD0000-0x00000000081E8000-memory.dmp

Filesize
6.1MB

Download
memory/4152-43-0x0000000007810000-0x000000000791A000-memory.dmp

Filesize
1.0MB

Download
memory/4152-45-0x00000000077F0000-0x00000000077FE000-memory.dmp

Filesize
56KB

Download
memory/4152-44-0x00000000081F0000-0x00000000083B2000-memory.dmp

Filesize
1.8MB

Download
memory/4152-46-0x0000000008710000-0x0000000008760000-memory.dmp

Filesize
320KB

Download
memory/4152-36-0x0000000006120000-0x0000000006130000-memory.dmp

Filesize
64KB

Download
memory/4152-37-0x0000000006DB0000-0x0000000006DBA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads