2be6d9a6475fe4682237475de862c858040a11431c4327e1c141ef955f3cfaf8

General

Target

dbae7789d8691768e858795b66aaa050N.exe
Size

485KB
MD5

dbae7789d8691768e858795b66aaa050
SHA1

e819a7aa96755b1a1be8f15d66d1fb7792849756
SHA256

2be6d9a6475fe4682237475de862c858040a11431c4327e1c141ef955f3cfaf8
SHA512

065af143db2aacf5b590525ef7a74fa03fc6d45a06bb789dc48f8b659aaf136abc8b68ebc2ca9a4dbd1b365fe44ae6b1647de56b38d717357276e5676dcf2a42
SSDEEP

12288:y+P0Rhc9iHfc1MUNheqhhRtzCUxIPeLBV9:y+PLo/+rHFxCUxI6

Score

9^/10

credential_access discovery evasion persistence privilege_escalation spyware stealer

Malware Config

Signatures

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

Detected Nirsoft tools 1 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral1/files/0x00290000000150a7-26.dat	Nirsoft

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/files/0x00290000000150a7-26.dat	WebBrowserPassView

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2396	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	F9LlD.exe

Loads dropped DLL 2 IoCs

pid	Process
2964	dbae7789d8691768e858795b66aaa050N.exe
2964	dbae7789d8691768e858795b66aaa050N.exe

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
T1552.001

Looks up external IP address via web service 1 IoCs

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

flow	ioc
2	checkip.dyndns.org

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dbae7789d8691768e858795b66aaa050N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	F9LlD.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2700	F9LlD.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2964	dbae7789d8691768e858795b66aaa050N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2700	2964	dbae7789d8691768e858795b66aaa050N.exe	30
PID 2964 wrote to memory of 2700	2964	dbae7789d8691768e858795b66aaa050N.exe	30
PID 2964 wrote to memory of 2700	2964	dbae7789d8691768e858795b66aaa050N.exe	30
PID 2964 wrote to memory of 2700	2964	dbae7789d8691768e858795b66aaa050N.exe	30
PID 2964 wrote to memory of 2396	2964	dbae7789d8691768e858795b66aaa050N.exe	32
PID 2964 wrote to memory of 2396	2964	dbae7789d8691768e858795b66aaa050N.exe	32
PID 2964 wrote to memory of 2396	2964	dbae7789d8691768e858795b66aaa050N.exe	32
PID 2964 wrote to memory of 2396	2964	dbae7789d8691768e858795b66aaa050N.exe	32

C:\Users\Admin\AppData\Local\Temp\dbae7789d8691768e858795b66aaa050N.exe
"C:\Users\Admin\AppData\Local\Temp\dbae7789d8691768e858795b66aaa050N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Users\Admin\AppData\Local\Temp\F9LlD.exe
  C:\Users\Admin\AppData\Local\Temp\F9LlD.exe /stext C:\Users\Admin\AppData\Local\Temp\pass.txt
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2700
- C:\Windows\SysWOW64\netsh.exe
  "netsh.exe" firewall set opmode disable
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

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\Temp\pass.txt

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\Contacts\dbae7789d8691768e858795b66aaa050N.exe

Filesize
485KB

MD5
dbae7789d8691768e858795b66aaa050

SHA1
e819a7aa96755b1a1be8f15d66d1fb7792849756

SHA256
2be6d9a6475fe4682237475de862c858040a11431c4327e1c141ef955f3cfaf8

SHA512
065af143db2aacf5b590525ef7a74fa03fc6d45a06bb789dc48f8b659aaf136abc8b68ebc2ca9a4dbd1b365fe44ae6b1647de56b38d717357276e5676dcf2a42

Download Submit
\Users\Admin\AppData\Local\Temp\F9LlD.exe

Filesize
344KB

MD5
32f555e1fa671e364f5fde77c3fd1847

SHA1
b2c669e3b128f98de31275a4e5c926de65bb0622

SHA256
7d3db6ca664c29c75272c2f1254e2d20ae2572e072b2fc178c0874bec00e9ab2

SHA512
0520afca2d9116b895cda6bff30e4d35d431e79950d0384f6d4ad4fc7e6089ff374301f6a30e3fb27f108ecdcaf80d92a218d13ed226cb8352f7c6803db2f556

Download Submit
memory/2964-0-0x0000000074B81000-0x0000000074B82000-memory.dmp

Filesize
4KB

Download
memory/2964-1-0x0000000074B80000-0x000000007512B000-memory.dmp

Filesize
5.7MB

Download
memory/2964-2-0x0000000074B80000-0x000000007512B000-memory.dmp

Filesize
5.7MB

Download
memory/2964-38-0x0000000074B80000-0x000000007512B000-memory.dmp

Filesize
5.7MB

Download
memory/2964-65-0x0000000074B80000-0x000000007512B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads