b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53e

General

Target

b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53eN.exe
Size

254KB
MD5

4a54d92d2e0befeb3a1d5f8cbc8c76f0
SHA1

38fb158286a5309d16ee03fcf2fcd92f18b4ccb1
SHA256

b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53e
SHA512

6ae979b0579f4086c63048a4ffd3cd7aa086d71e9faea6160c273406f3455762deca116a555300928ff516dddd775ff6be1ddcbb988dd199e6fc8b55dff05be0
SSDEEP

6144:GjYKlAhUBVB3pQOS+J6WoRDPiLtlkxw91jppE5gpPkI:GjYRm7QOS+JbaKlbjcgpPkI

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1452	dtR1IByCxwuFTZ7.exe
3676	CTS.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53eN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53eN.exe
File created	C:\Windows\CTS.exe	CTS.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53eN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3172	b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53eN.exe
Token: SeDebugPrivilege	3676	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 1452	3172	b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53eN.exe	82
PID 3172 wrote to memory of 1452	3172	b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53eN.exe	82
PID 3172 wrote to memory of 3676	3172	b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53eN.exe	83
PID 3172 wrote to memory of 3676	3172	b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53eN.exe	83
PID 3172 wrote to memory of 3676	3172	b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53eN.exe	83

C:\Users\Admin\AppData\Local\Temp\b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53eN.exe
"C:\Users\Admin\AppData\Local\Temp\b92d868b07d2535f0ad499c88fe6570f9ba62c99e825448f0ba983090affe53eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Users\Admin\AppData\Local\Temp\dtR1IByCxwuFTZ7.exe
  C:\Users\Admin\AppData\Local\Temp\dtR1IByCxwuFTZ7.exe
  2⤵
  - Executes dropped EXE
  PID:1452
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
411KB

MD5
1e3576099a877b2fb0309a59f3c150eb

SHA1
a8a7ad7625976c8b0a9929124d404170ae3894b9

SHA256
8a61b0af57aecd798d543c70070a42baa116790f2f070d44d9bc374aa7e90071

SHA512
2a323fa437fc26f0b5e538b49310d2d658bd4ead39789960867caa89a24eba9149be41387637469a3f921a6f6b562035d8dbcd1b2799d2a3d3a18c714cbffc40

Download Submit
C:\Users\Admin\AppData\Local\Temp\dtR1IByCxwuFTZ7.exe

Filesize
254KB

MD5
3b8acbf6df3d869abe46fda92de2dfc8

SHA1
aadb998145268c5e69ebba6c66c20d631c503b8f

SHA256
3df09ebc270eb8879505ee3d05553d5ac0659ed7a187f1bf91cd2e14473537aa

SHA512
b6f4011e1ebb0eab8a258eaeaf5e9f2822d6d696b81ef55fcbf134420922a07cee96b0b6dd71ca05f69c9a8cd46c8691642f9ad21b72a1c27f5d8d62103b4986

Download Submit
C:\Users\Admin\AppData\Local\Temp\dtR1IByCxwuFTZ7.exe

Filesize
168KB

MD5
17275206102d1cf6f17346fd73300030

SHA1
bbec93f6fb2ae56c705efd6e58d6b3cc68bf1166

SHA256
dead0ebd5b5bf5d4b0e68ba975e9a70f98820e85d056b0a6b3775fc4df4da0f6

SHA512
ce14a4f95328bb9ce437c5d79084e9d647cb89b66cde86a540b200b1667edc76aa27a36061b6e2ceccecb70b9a011b4bd54040e2a480b8546888ba5cc84a01b3

Download Submit
C:\Windows\CTS.exe

Filesize
86KB

MD5
0f736d30fbdaebed364c4cd9f084e500

SHA1
d7e96b736463af4b3edacd5cc5525cb70c593334

SHA256
431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34

SHA512
570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads