a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18

General

Target
a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18.exe
Size 32KB
Sample241114-bjdjqs1phy
SHA256 a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18
MD5 db5ae932cb731824b0548a6390569aac
SHA1 88da5208f8fd48089c6804698fe25455b98e9295
SHA512 95c1c49fdaa427d756a2b0d7fc1940fb05d5929415d3e0d4863d089d2406ca6e6bd82a99dd7d2ab084a63182d449e38474d9e8db4c57332738d67ccc70112bb8
SSDEEP 768:xbtxn6PlNpYlnoelg+SafppHUn2NI5ZdaFvcrE:Q9YZoeanAP02NIcFv9
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

credential_access discovery persistence spyware stealer

Malware Config

Signatures

Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004

Executes dropped EXE 1 IoCs

pid	Process
1828	outlook.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 1 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\System = "C:\\Windows\\sys32.exe"	a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\sys32.exe	a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18.exe
File created	C:\Windows\outlook.exe	a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18.exe
File opened for modification	C:\Windows\outlook.exe	a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18.exe
File opened for modification	C:\Windows\sys32.exe	a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18.exe
File opened for modification	C:\Windows\outlook.cfg	outlook.exe
File created	C:\Windows\crc32.cfg	outlook.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3960	1828	WerFault.exe	83

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	a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	outlook.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 1828	4840	a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18.exe	83
PID 4840 wrote to memory of 1828	4840	a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18.exe	83
PID 4840 wrote to memory of 1828	4840	a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18.exe	83

C:\Users\Admin\AppData\Local\Temp\a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18.exe
"C:\Users\Admin\AppData\Local\Temp\a472cf17fc774b404d3330583df139bf98443e215e780dc6356e8c907e451b18.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Windows\outlook.exe
  C:\Windows\outlook.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:1828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 38980
    3⤵
    - Program crash
    PID:3960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1828 -ip 1828
1⤵
PID:2376

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

2

T1555

Credentials from Web Browsers

1

T1555.003

Windows Credential Manager

1

T1555.004

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

outlook.cfg

Path C:\Windows\outlook.cfg
Size 2KB
SHA256 f8fd20d1d47f3e189862451105beeda378ab03d84c44ef0251e965f11893c612
MD5 7c48c983a5c7d86790d82122cbda5803
SHA1 946483f6245f5f811b173c178daa32c98919cffe
SHA512 a0b6082af2bfac351c4bd294e91f43b0fadc4858d347fd39eb105a8b2165c54b874640fcc3eb2c6b4c67cb0c82e441352c96e2e7801cab40fea51e66d0159219
MD5 SHA1 SHA512

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outlook.cfg

Path C:\Windows\outlook.cfg
Size 295B
SHA256 3a232c9dfcaa3967bb58aeedfa7ac948b50f79457dc24ce5e26fe7d27accb4a5
MD5 c19aad2e5b26747970fbe045bf6beba4
SHA1 7bbec1f5c6536fa159238746e23b9d703f155217
SHA512 8be1a2b34277db2a47a51b25e1a23d94ba48fab98cbcc554b11e7f928c0c6b2e4b3fc8706e3ecd094bdb3d7bc51a2760a65e839e25ee84fb97d1de052962d1cd
MD5 SHA1 SHA512

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outlook.exe

Path C:\Windows\outlook.exe
Size 49KB
SHA256 96b9c4ead67d03eb2c69103a983274e013e3466e80d8f95bd7cf3aea8be05b28
MD5 0e9379e357aba95f8b9883af9b67675e
SHA1 280a174a414e5b8588f42b6328af2c8c8ff4394f
SHA512 6cc383806882729cd889b025802ac0d5e1c55a74b3e7d7c98932644e8802fe52b5b14a886eff70ab7deaa70fb60bb9898e55b5cd83b5b99e2a2d107dce367784
SSDEEP 768:YtpL9eEj+w9vvidJyZJDe4dqEk0PiXSe0mxMr68eVniVUCosm/mzT1fHyVQh2e:FOZ9vQqDe4dPkjpBV8eVniVHm0dl
MD5 SHA1 SHA512 SSDEEP

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memory/1828-106-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/1828-132-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/4840-0-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/4840-25-0x0000000000400000-0x000000000040C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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