cb4c05bf0a3cc9a2157b5b7799e3bdad472a0b677743ebb59803fa8934def97f

General

Target

0336f85236b4add19780e082d59a8f1585575781.exe
Size

450KB
MD5

d95f453a9ebfa9e852611103ecd36f2f
SHA1

0336f85236b4add19780e082d59a8f1585575781
SHA256

cb4c05bf0a3cc9a2157b5b7799e3bdad472a0b677743ebb59803fa8934def97f
SHA512

3f0ecfd05da6c5750ce12fe2f35f1989f0f0530fc08280fc3c8d75a5450ecd172d636aeae0703ff44d11459a9ef36d4ccaf09faf6ac9d401b03e90e1219da042
SSDEEP

6144:qYa6f5//2aKCh/3NDrCpCdIJaFvQIKtWBIY0Vv7B5qh8+A9j+A:qYD//R/jXtv9KNke+A

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1708	sdaqrnab.exe
300	sdaqrnab.exe

Loads dropped DLL 3 IoCs

pid	Process
1040	0336f85236b4add19780e082d59a8f1585575781.exe
1040	0336f85236b4add19780e082d59a8f1585575781.exe
1708	sdaqrnab.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	sdaqrnab.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	sdaqrnab.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	sdaqrnab.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\dlbuson = "C:\\Users\\Admin\\AppData\\Roaming\\jjsmhnxylliukw\\uljkxxqkgqibi.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\sdaqrnab.exe\" C:\\Users\\Admin\\Ap"	sdaqrnab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\APP = "C:\\Users\\Admin\\AppData\\Roaming\\APP\\APP.exe"	sdaqrnab.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1708 set thread context of 300	1708	sdaqrnab.exe	29

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1708	sdaqrnab.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	300	sdaqrnab.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 1708	1040	0336f85236b4add19780e082d59a8f1585575781.exe	28
PID 1040 wrote to memory of 1708	1040	0336f85236b4add19780e082d59a8f1585575781.exe	28
PID 1040 wrote to memory of 1708	1040	0336f85236b4add19780e082d59a8f1585575781.exe	28
PID 1040 wrote to memory of 1708	1040	0336f85236b4add19780e082d59a8f1585575781.exe	28
PID 1708 wrote to memory of 300	1708	sdaqrnab.exe	29
PID 1708 wrote to memory of 300	1708	sdaqrnab.exe	29
PID 1708 wrote to memory of 300	1708	sdaqrnab.exe	29
PID 1708 wrote to memory of 300	1708	sdaqrnab.exe	29
PID 1708 wrote to memory of 300	1708	sdaqrnab.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	sdaqrnab.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	sdaqrnab.exe

C:\Users\Admin\AppData\Local\Temp\0336f85236b4add19780e082d59a8f1585575781.exe
"C:\Users\Admin\AppData\Local\Temp\0336f85236b4add19780e082d59a8f1585575781.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Local\Temp\sdaqrnab.exe
  "C:\Users\Admin\AppData\Local\Temp\sdaqrnab.exe" C:\Users\Admin\AppData\Local\Temp\hwtcnkhxod.jz
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1708
- - C:\Users\Admin\AppData\Local\Temp\sdaqrnab.exe
    "C:\Users\Admin\AppData\Local\Temp\sdaqrnab.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hwtcnkhxod.jz

Filesize
7KB

MD5
350c1c8553947f395890c7b90f8340c1

SHA1
d93cee703f77aca8363a89d72a19412f8c0ecbfa

SHA256
7c84a8a3e1ee3d9f437bb28e196ef29cf23dacaa8e42ff24bb3de32eb4c989fc

SHA512
6df1aad0916e1ce15fe86aaae3b8da71ac6250fd5a650e7f00c791e7280a6ad956b74370dd30de169fbfc7494b8bd1c5a59cf213238dfbb1507b32b9b605dbc9

Download Submit
C:\Users\Admin\AppData\Local\Temp\ooiowjaq.nr

Filesize
263KB

MD5
c986bbaef989a5537130553e553d334e

SHA1
86944826f4f32e69c533335b88349528c9898c02

SHA256
211250053910cb85f037863f02cd2046e042ea5cb74d35d075f519e3916f4506

SHA512
d958618f92bf9055b30d97bf7cb3c94b946981f8e1c161739a4360b41592568b54702d21be56fb5a0c6817dcca0cc2553317c78bcef62f74b5af4fe867513a2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\sdaqrnab.exe

Filesize
48KB

MD5
84c0f3b39fa63e099aa816491e72ac45

SHA1
c73fc6ec7087daa501dc02a0c8c8a94bdcd21440

SHA256
ab85d2fb3e040e3b6ca60dd2b65fb5971fd7a7822e07e0187f2018ad1ecce32f

SHA512
c0687c660706419a13fab627f222f451921ccea107f65f5daec12fb9118803f81dde012f1fb580250fe3f59147c5da08e30042bd5cbe75b74da5045c9c011c27

Download Submit
C:\Users\Admin\AppData\Local\Temp\sdaqrnab.exe

Filesize
48KB

MD5
84c0f3b39fa63e099aa816491e72ac45

SHA1
c73fc6ec7087daa501dc02a0c8c8a94bdcd21440

SHA256
ab85d2fb3e040e3b6ca60dd2b65fb5971fd7a7822e07e0187f2018ad1ecce32f

SHA512
c0687c660706419a13fab627f222f451921ccea107f65f5daec12fb9118803f81dde012f1fb580250fe3f59147c5da08e30042bd5cbe75b74da5045c9c011c27

Download Submit
C:\Users\Admin\AppData\Local\Temp\sdaqrnab.exe

Filesize
48KB

MD5
84c0f3b39fa63e099aa816491e72ac45

SHA1
c73fc6ec7087daa501dc02a0c8c8a94bdcd21440

SHA256
ab85d2fb3e040e3b6ca60dd2b65fb5971fd7a7822e07e0187f2018ad1ecce32f

SHA512
c0687c660706419a13fab627f222f451921ccea107f65f5daec12fb9118803f81dde012f1fb580250fe3f59147c5da08e30042bd5cbe75b74da5045c9c011c27

Download Submit
\Users\Admin\AppData\Local\Temp\sdaqrnab.exe

Filesize
48KB

MD5
84c0f3b39fa63e099aa816491e72ac45

SHA1
c73fc6ec7087daa501dc02a0c8c8a94bdcd21440

SHA256
ab85d2fb3e040e3b6ca60dd2b65fb5971fd7a7822e07e0187f2018ad1ecce32f

SHA512
c0687c660706419a13fab627f222f451921ccea107f65f5daec12fb9118803f81dde012f1fb580250fe3f59147c5da08e30042bd5cbe75b74da5045c9c011c27

Download Submit
\Users\Admin\AppData\Local\Temp\sdaqrnab.exe

Filesize
48KB

MD5
84c0f3b39fa63e099aa816491e72ac45

SHA1
c73fc6ec7087daa501dc02a0c8c8a94bdcd21440

SHA256
ab85d2fb3e040e3b6ca60dd2b65fb5971fd7a7822e07e0187f2018ad1ecce32f

SHA512
c0687c660706419a13fab627f222f451921ccea107f65f5daec12fb9118803f81dde012f1fb580250fe3f59147c5da08e30042bd5cbe75b74da5045c9c011c27

Download Submit
\Users\Admin\AppData\Local\Temp\sdaqrnab.exe

Filesize
48KB

MD5
84c0f3b39fa63e099aa816491e72ac45

SHA1
c73fc6ec7087daa501dc02a0c8c8a94bdcd21440

SHA256
ab85d2fb3e040e3b6ca60dd2b65fb5971fd7a7822e07e0187f2018ad1ecce32f

SHA512
c0687c660706419a13fab627f222f451921ccea107f65f5daec12fb9118803f81dde012f1fb580250fe3f59147c5da08e30042bd5cbe75b74da5045c9c011c27

Download Submit
memory/300-64-0x0000000000401896-mapping.dmp

Download
memory/300-67-0x0000000001EB0000-0x0000000001EE0000-memory.dmp

Filesize
192KB

Download
memory/300-68-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1040-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1708-57-0x0000000000000000-mapping.dmp

Download

Analysis

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