a310logger | dd28e77b8a4352128745bf0a5b8a7df5dc2cfd7b80dd5cb0ea300d95098cccc1

General

Target

4399c21e668cbe469401638c66ef0519.exe
Size

398KB
MD5

4399c21e668cbe469401638c66ef0519
SHA1

6caabc0989fb59963f1178de1a528f0f50b7fe33
SHA256

dd28e77b8a4352128745bf0a5b8a7df5dc2cfd7b80dd5cb0ea300d95098cccc1
SHA512

02d09cd6b09f4ac680bb0d4748e72b347c37e87154c2422d8b879297fd48254608b598bb6b8db8a1258c9571f33f69e7ae791ec1e23682205cf517380d4bf4ff
SSDEEP

6144:+/LAKDz4XXXXXXXXXXXXXAWkcDVfe7BKJwhfgJeDs4fTe+dbOQXXXXXXXXXXXXX/:cI7mW4DNxk/w1DBX1

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/4748-8-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/2244-43-0x0000000001200000-0x0000000001210000-memory.dmp	family_stormkitty

A310logger Executable 4 IoCs

resource	yara_rule
behavioral2/memory/4748-8-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/files/0x0009000000023205-17.dat	a310logger
behavioral2/memory/2244-43-0x0000000001200000-0x0000000001210000-memory.dmp	a310logger
behavioral2/memory/3184-58-0x0000000000990000-0x00000000009A0000-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-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\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
52	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 1672 set thread context of 3900	1672	4399c21e668cbe469401638c66ef0519.exe	89
PID 3900 set thread context of 4748	3900	4399c21e668cbe469401638c66ef0519.exe	92

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	procid_target
4856	3076	WerFault.exe	114

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
3900	4399c21e668cbe469401638c66ef0519.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1672	4399c21e668cbe469401638c66ef0519.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3900	4399c21e668cbe469401638c66ef0519.exe
3900	4399c21e668cbe469401638c66ef0519.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 3900	1672	4399c21e668cbe469401638c66ef0519.exe	89
PID 1672 wrote to memory of 3900	1672	4399c21e668cbe469401638c66ef0519.exe	89
PID 1672 wrote to memory of 3900	1672	4399c21e668cbe469401638c66ef0519.exe	89
PID 1672 wrote to memory of 3900	1672	4399c21e668cbe469401638c66ef0519.exe	89
PID 3900 wrote to memory of 4748	3900	4399c21e668cbe469401638c66ef0519.exe	92
PID 3900 wrote to memory of 4748	3900	4399c21e668cbe469401638c66ef0519.exe	92
PID 3900 wrote to memory of 4748	3900	4399c21e668cbe469401638c66ef0519.exe	92
PID 3900 wrote to memory of 4748	3900	4399c21e668cbe469401638c66ef0519.exe	92
PID 3900 wrote to memory of 4748	3900	4399c21e668cbe469401638c66ef0519.exe	92
PID 3900 wrote to memory of 4748	3900	4399c21e668cbe469401638c66ef0519.exe	92
PID 3900 wrote to memory of 4748	3900	4399c21e668cbe469401638c66ef0519.exe	92
PID 3900 wrote to memory of 4748	3900	4399c21e668cbe469401638c66ef0519.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\4399c21e668cbe469401638c66ef0519.exe
"C:\Users\Admin\AppData\Local\Temp\4399c21e668cbe469401638c66ef0519.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\4399c21e668cbe469401638c66ef0519.exe
  "C:\Users\Admin\AppData\Local\Temp\4399c21e668cbe469401638c66ef0519.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3900
- - 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:4748
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
      4⤵
      PID:5084
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:2244
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
      4⤵
      PID:3184
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:3076
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 80
      4⤵
      Program crash
      PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3076 -ip 3076
1⤵
PID:2312

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\UsageLogs\MZ.exe.log

Filesize
128B

MD5
3d238ac6dd6710907edf2ad7893a0ed2

SHA1
b07aaeeb31bdc6e94097a254be088b092dc1fb68

SHA256
02d215d5b6ea166e6c4c4669547cbadecbb427d5baf394fbffc7ef374a967501

SHA512
c358aa68303aa99ebc019014b4c1fc2fbfa98733f1ea863bf78ca2b877dc5c610121115432d96504df9e43bdda637b067359b07228b6f129bc5ec9a01ed3ee24

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\InstallUtil.exe.log

Filesize
496B

MD5
6f996b93c361c74ec395d765aa6ffc06

SHA1
a72207288114c907b252cd4df50b644d40a818ae

SHA256
c0b85961e52bcd146b854bb019c956e52e8f7d549cefbb5d3617f996e5328944

SHA512
60ab9220dfcc6d012d02349ab8258502c98af5e513beefad816faef76c7e2d19dac73365612139c0ad4fcfeccd88924dfe39ca91b44abffdfd40368945357a3b

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/1672-1-0x0000000002220000-0x0000000002222000-memory.dmp

Filesize
8KB

Download
memory/1672-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2244-62-0x00000000745D0000-0x0000000074B81000-memory.dmp

Filesize
5.7MB

Download
memory/2244-42-0x00000000745D0000-0x0000000074B81000-memory.dmp

Filesize
5.7MB

Download
memory/2244-44-0x00000000745D0000-0x0000000074B81000-memory.dmp

Filesize
5.7MB

Download
memory/2244-43-0x0000000001200000-0x0000000001210000-memory.dmp

Filesize
64KB

Download
memory/3184-61-0x00007FFE34B90000-0x00007FFE35531000-memory.dmp

Filesize
9.6MB

Download
memory/3184-59-0x00007FFE34B90000-0x00007FFE35531000-memory.dmp

Filesize
9.6MB

Download
memory/3184-58-0x0000000000990000-0x00000000009A0000-memory.dmp

Filesize
64KB

Download
memory/3184-57-0x00007FFE34B90000-0x00007FFE35531000-memory.dmp

Filesize
9.6MB

Download
memory/3900-12-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3900-4-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3900-2-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4748-9-0x00000000748C0000-0x0000000074E71000-memory.dmp

Filesize
5.7MB

Download
memory/4748-33-0x00000000748C0000-0x0000000074E71000-memory.dmp

Filesize
5.7MB

Download
memory/4748-26-0x00000000748C0000-0x0000000074E71000-memory.dmp

Filesize
5.7MB

Download
memory/4748-11-0x00000000748C0000-0x0000000074E71000-memory.dmp

Filesize
5.7MB

Download
memory/4748-10-0x00000000010D0000-0x00000000010E0000-memory.dmp

Filesize
64KB

Download
memory/4748-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/5084-31-0x00007FFE35440000-0x00007FFE35DE1000-memory.dmp

Filesize
9.6MB

Download
memory/5084-27-0x00007FFE35440000-0x00007FFE35DE1000-memory.dmp

Filesize
9.6MB

Download
memory/5084-25-0x0000000001660000-0x0000000001670000-memory.dmp

Filesize
64KB

Download
memory/5084-24-0x00007FFE35440000-0x00007FFE35DE1000-memory.dmp

Filesize
9.6MB

Download

Analysis

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