a310logger | 9e8945e1f0569c2fddfad7e0a580508cc85a7ec431b634ea070cdfc8c80cc6cf

General

Target

340e9a1bcc5ae00b5251f8c5e4bcae10.exe
Size

414KB
MD5

340e9a1bcc5ae00b5251f8c5e4bcae10
SHA1

a083255dced4da814db8b064b40324e1c755f6a8
SHA256

9e8945e1f0569c2fddfad7e0a580508cc85a7ec431b634ea070cdfc8c80cc6cf
SHA512

521cb325d8d7b61788419694f028e830b423d02b5395dadc16e02e7d08b4ca75feb033edfd055eb158fd0f3e315a07b44dda20a4754ac4f4172a3c5741595405
SSDEEP

3072:Wri/gSS018Jn8Q5CJ2ZezucNTl2B03TirJjMmCtxBu6Z91EqySTG1fwkYopl9/1/:ZgSS0G4IEzuc72B0witOCnGS8t7Fh

Score

10^/10

a310logger stormkitty collection spyware stealer

Malware Config

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 2 IoCs

resource	yara_rule
behavioral2/memory/4436-8-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/2200-38-0x0000000001080000-0x0000000001090000-memory.dmp	family_stormkitty

A310logger Executable 4 IoCs

resource	yara_rule
behavioral2/memory/4436-8-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/files/0x0009000000023130-16.dat	a310logger
behavioral2/memory/4104-24-0x00000000011F0000-0x0000000001200000-memory.dmp	a310logger
behavioral2/memory/2200-38-0x0000000001080000-0x0000000001090000-memory.dmp	a310logger

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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

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
17	icanhazip.com

Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1396 set thread context of 5036	1396	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	89
PID 5036 set thread context of 4436	5036	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	90

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process
3596	3800	WerFault.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	InstallUtil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	InstallUtil.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5036	340e9a1bcc5ae00b5251f8c5e4bcae10.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1396	340e9a1bcc5ae00b5251f8c5e4bcae10.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5036	340e9a1bcc5ae00b5251f8c5e4bcae10.exe
5036	340e9a1bcc5ae00b5251f8c5e4bcae10.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 5036	1396	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	89
PID 1396 wrote to memory of 5036	1396	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	89
PID 1396 wrote to memory of 5036	1396	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	89
PID 1396 wrote to memory of 5036	1396	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	89
PID 5036 wrote to memory of 4436	5036	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	90
PID 5036 wrote to memory of 4436	5036	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	90
PID 5036 wrote to memory of 4436	5036	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	90
PID 5036 wrote to memory of 4436	5036	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	90
PID 5036 wrote to memory of 4436	5036	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	90
PID 5036 wrote to memory of 4436	5036	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	90
PID 5036 wrote to memory of 4436	5036	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	90
PID 5036 wrote to memory of 4436	5036	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\340e9a1bcc5ae00b5251f8c5e4bcae10.exe
"C:\Users\Admin\AppData\Local\Temp\340e9a1bcc5ae00b5251f8c5e4bcae10.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Users\Admin\AppData\Local\Temp\340e9a1bcc5ae00b5251f8c5e4bcae10.exe
  "C:\Users\Admin\AppData\Local\Temp\340e9a1bcc5ae00b5251f8c5e4bcae10.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5036
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - outlook_office_path
    - outlook_win_path
    PID:4436
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
      4⤵
      PID:4104
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:2200
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
      4⤵
      PID:4836
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:3800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3800 -ip 3800
1⤵
PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 80
1⤵
- Program crash
PID:3596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v2.0_32\UsageLogs\InstallUtil.exe.log

Filesize
496B

MD5
5370d1dff94d27a9a6cfab002a5c444b

SHA1
fecadd9e884c57822ebeae897a3989c0e678fd1a

SHA256
0ddb4ec9a919c3566a4ab48ce605f24816e6fb2efdd6e4070a54a1f5912ec946

SHA512
67a3787e49e7d8ea23b3e1766639b36e685cf404042bc270f5c43dc0b0f50623778cb98c013577b3a0a3b425b608ff4e944e29df3725425ce6383759fe7534eb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe

Filesize
20KB

MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
memory/1396-2-0x00000000009F0000-0x00000000009F2000-memory.dmp

Filesize
8KB

Download
memory/1396-1-0x00000000006C0000-0x00000000007C0000-memory.dmp

Filesize
1024KB

Download
memory/2200-38-0x0000000001080000-0x0000000001090000-memory.dmp

Filesize
64KB

Download
memory/2200-39-0x0000000073D00000-0x00000000742B1000-memory.dmp

Filesize
5.7MB

Download
memory/2200-37-0x0000000073D00000-0x00000000742B1000-memory.dmp

Filesize
5.7MB

Download
memory/2200-54-0x0000000073D00000-0x00000000742B1000-memory.dmp

Filesize
5.7MB

Download
memory/4104-24-0x00000000011F0000-0x0000000001200000-memory.dmp

Filesize
64KB

Download
memory/4104-23-0x00007FF8B5F50000-0x00007FF8B68F1000-memory.dmp

Filesize
9.6MB

Download
memory/4104-33-0x00007FF8B5F50000-0x00007FF8B68F1000-memory.dmp

Filesize
9.6MB

Download
memory/4104-29-0x00007FF8B5F50000-0x00007FF8B68F1000-memory.dmp

Filesize
9.6MB

Download
memory/4104-28-0x00007FF8B5F50000-0x00007FF8B68F1000-memory.dmp

Filesize
9.6MB

Download
memory/4436-9-0x0000000073FF0000-0x00000000745A1000-memory.dmp

Filesize
5.7MB

Download
memory/4436-31-0x0000000073FF0000-0x00000000745A1000-memory.dmp

Filesize
5.7MB

Download
memory/4436-10-0x00000000014B0000-0x00000000014C0000-memory.dmp

Filesize
64KB

Download
memory/4436-11-0x0000000073FF0000-0x00000000745A1000-memory.dmp

Filesize
5.7MB

Download
memory/4436-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4836-53-0x00007FF8B5940000-0x00007FF8B62E1000-memory.dmp

Filesize
9.6MB

Download
memory/4836-52-0x00007FF8B5940000-0x00007FF8B62E1000-memory.dmp

Filesize
9.6MB

Download
memory/5036-32-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/5036-5-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/5036-3-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

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