a310logger | 722a5ea9b20e3a0b77f4f1628f763e46ccd4e87d284ac28997cec9874c479064

General

Target

Parts enquiry.exe
Size

792KB
MD5

6a239782a002f49be71a6dfca139864c
SHA1

6609a8974b80600598a64149340bad3989ecf780
SHA256

722a5ea9b20e3a0b77f4f1628f763e46ccd4e87d284ac28997cec9874c479064
SHA512

700385b2854878c8897a9733ac1288a67dfaa33bfeeef4a18286acfaf46e65a08cb2daec606edaee5421565e4f93508d254ae0834d466328174404db340b3b4a

Score

10^/10

a310logger persistence spyware stealer

Malware Config

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger

A310logger Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x000100000001ab54-136.dat	a310logger
behavioral2/files/0x000100000001ab54-137.dat	a310logger

Executes dropped EXE 3 IoCs

pid	Process
3428	InstallUtil.exe
688	InstallUtil.exe
2124	Fox.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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 cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\KPrrSC = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallUtil.exe"	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 632 set thread context of 688	632	Parts enquiry.exe	79

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

System Information Discovery
T1082

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	19	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
632	Parts enquiry.exe
632	Parts enquiry.exe
632	Parts enquiry.exe
632	Parts enquiry.exe
632	Parts enquiry.exe
632	Parts enquiry.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
688	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	632	Parts enquiry.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
688	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
688	InstallUtil.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 3428	632	Parts enquiry.exe	78
PID 632 wrote to memory of 3428	632	Parts enquiry.exe	78
PID 632 wrote to memory of 3428	632	Parts enquiry.exe	78
PID 632 wrote to memory of 688	632	Parts enquiry.exe	79
PID 632 wrote to memory of 688	632	Parts enquiry.exe	79
PID 632 wrote to memory of 688	632	Parts enquiry.exe	79
PID 632 wrote to memory of 688	632	Parts enquiry.exe	79
PID 632 wrote to memory of 688	632	Parts enquiry.exe	79
PID 632 wrote to memory of 688	632	Parts enquiry.exe	79
PID 632 wrote to memory of 688	632	Parts enquiry.exe	79
PID 632 wrote to memory of 688	632	Parts enquiry.exe	79
PID 688 wrote to memory of 2124	688	InstallUtil.exe	80
PID 688 wrote to memory of 2124	688	InstallUtil.exe	80

C:\Users\Admin\AppData\Local\Temp\Parts enquiry.exe
"C:\Users\Admin\AppData\Local\Temp\Parts enquiry.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:632
- C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  2⤵
  - Executes dropped EXE
  PID:3428
- C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:688
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
    3⤵
    - Executes dropped EXE
    PID:2124

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

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/632-114-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/632-116-0x0000000005880000-0x0000000005881000-memory.dmp

Filesize
4KB

Download
memory/632-122-0x00000000080C0000-0x00000000080C1000-memory.dmp

Filesize
4KB

Download
memory/632-127-0x0000000008030000-0x00000000080A0000-memory.dmp

Filesize
448KB

Download
memory/632-128-0x0000000008560000-0x0000000008561000-memory.dmp

Filesize
4KB

Download
memory/632-117-0x0000000005380000-0x0000000005381000-memory.dmp

Filesize
4KB

Download
memory/632-119-0x0000000005360000-0x0000000005361000-memory.dmp

Filesize
4KB

Download
memory/632-121-0x0000000007EF0000-0x0000000007F97000-memory.dmp

Filesize
668KB

Download
memory/632-120-0x00000000052D0000-0x0000000005362000-memory.dmp

Filesize
584KB

Download
memory/632-118-0x00000000052D0000-0x0000000005362000-memory.dmp

Filesize
584KB

Download
memory/688-130-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2124-138-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2124-140-0x000000001AF10000-0x000000001AF12000-memory.dmp

Filesize
8KB

Download

Analysis

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