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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3908-11-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty

A310logger Executable 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3908-11-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger
behavioral2/memory/4692-54-0x0000000001420000-0x0000000001430000-memory.dmp	a310logger

Executes dropped EXE 2 IoCs

Processes:

MZ.exeMZ.exe

pid process

2768 MZ.exe
4692 MZ.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
T1552.001
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

pid	process
2768	MZ.exe
4692	MZ.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exeInstallUtil.exe

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
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
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
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\15.0\Outlook\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.

Processes:

flow ioc

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

flow	ioc
81	icanhazip.com

Suspicious use of SetThreadContext 4 IoCs

Processes:

340e9a1bcc5ae00b5251f8c5e4bcae10.exe340e9a1bcc5ae00b5251f8c5e4bcae10.exe

description	pid	process	target process
PID 3312 set thread context of 2096	3312	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	340e9a1bcc5ae00b5251f8c5e4bcae10.exe
PID 2096 set thread context of 5032	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 set thread context of 3908	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 set thread context of 2400	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4504 5032 WerFault.exe InstallUtil.exe

pid	pid_target	process	target process
4504	5032	WerFault.exe	InstallUtil.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

InstallUtil.exeInstallUtil.exe

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

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

MZ.exeMZ.exe

pid process

2768 MZ.exe
2768 MZ.exe
2768 MZ.exe
2768 MZ.exe
4692 MZ.exe
4692 MZ.exe
4692 MZ.exe
4692 MZ.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

340e9a1bcc5ae00b5251f8c5e4bcae10.exe

pid process

2096 340e9a1bcc5ae00b5251f8c5e4bcae10.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

340e9a1bcc5ae00b5251f8c5e4bcae10.exe

pid process

3312 340e9a1bcc5ae00b5251f8c5e4bcae10.exe

pid	process
2768	MZ.exe
2768	MZ.exe
2768	MZ.exe
2768	MZ.exe
4692	MZ.exe
4692	MZ.exe
4692	MZ.exe
4692	MZ.exe

pid	process
2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe

pid	process
3312	340e9a1bcc5ae00b5251f8c5e4bcae10.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

InstallUtil.exeMZ.exeInstallUtil.exeMZ.exe

description	pid	process
Token: SeDebugPrivilege	3908	InstallUtil.exe
Token: SeDebugPrivilege	2768	MZ.exe
Token: SeDebugPrivilege	2400	InstallUtil.exe
Token: SeDebugPrivilege	4692	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

340e9a1bcc5ae00b5251f8c5e4bcae10.exe

pid process

2096 340e9a1bcc5ae00b5251f8c5e4bcae10.exe
2096 340e9a1bcc5ae00b5251f8c5e4bcae10.exe

pid	process
2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe
2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

340e9a1bcc5ae00b5251f8c5e4bcae10.exe340e9a1bcc5ae00b5251f8c5e4bcae10.exeInstallUtil.exeInstallUtil.exe

description	pid	process	target process
PID 3312 wrote to memory of 2096	3312	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	340e9a1bcc5ae00b5251f8c5e4bcae10.exe
PID 3312 wrote to memory of 2096	3312	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	340e9a1bcc5ae00b5251f8c5e4bcae10.exe
PID 3312 wrote to memory of 2096	3312	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	340e9a1bcc5ae00b5251f8c5e4bcae10.exe
PID 3312 wrote to memory of 2096	3312	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	340e9a1bcc5ae00b5251f8c5e4bcae10.exe
PID 2096 wrote to memory of 5032	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 5032	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 5032	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 5032	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 3908	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 3908	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 3908	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 3908	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 3908	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 3908	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 3908	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 3908	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 3908 wrote to memory of 2768	3908	InstallUtil.exe	MZ.exe
PID 3908 wrote to memory of 2768	3908	InstallUtil.exe	MZ.exe
PID 2096 wrote to memory of 2400	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 2400	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 2400	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 2400	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 2400	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 2400	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 2400	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2096 wrote to memory of 2400	2096	340e9a1bcc5ae00b5251f8c5e4bcae10.exe	InstallUtil.exe
PID 2400 wrote to memory of 4692	2400	InstallUtil.exe	MZ.exe
PID 2400 wrote to memory of 4692	2400	InstallUtil.exe	MZ.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

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

Processes:

InstallUtil.exe

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\340e9a1bcc5ae00b5251f8c5e4bcae10.exe
"C:\Users\Admin\AppData\Local\Temp\340e9a1bcc5ae00b5251f8c5e4bcae10.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3312
- 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:2096
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:5032
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 80
      4⤵
      Program crash
      PID:4504
- - 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
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3908
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2768
- - 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
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - outlook_office_path
    - outlook_win_path
    PID:2400
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5032 -ip 5032
1⤵
PID:3960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

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/2096-3-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2096-5-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2096-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2400-57-0x0000000074250000-0x0000000074801000-memory.dmp

Filesize
5.7MB

Download
memory/2400-40-0x0000000074250000-0x0000000074801000-memory.dmp

Filesize
5.7MB

Download
memory/2400-39-0x0000000001530000-0x0000000001540000-memory.dmp

Filesize
64KB

Download
memory/2400-38-0x0000000074250000-0x0000000074801000-memory.dmp

Filesize
5.7MB

Download
memory/2768-28-0x00007FFC124F0000-0x00007FFC12E91000-memory.dmp

Filesize
9.6MB

Download
memory/2768-27-0x0000000000BB0000-0x0000000000BC0000-memory.dmp

Filesize
64KB

Download
memory/2768-32-0x00007FFC124F0000-0x00007FFC12E91000-memory.dmp

Filesize
9.6MB

Download
memory/2768-26-0x00007FFC124F0000-0x00007FFC12E91000-memory.dmp

Filesize
9.6MB

Download
memory/3312-2-0x0000000000840000-0x0000000000842000-memory.dmp

Filesize
8KB

Download
memory/3312-1-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download
memory/3908-13-0x0000000074250000-0x0000000074801000-memory.dmp

Filesize
5.7MB

Download
memory/3908-14-0x00000000013E0000-0x00000000013F0000-memory.dmp

Filesize
64KB

Download
memory/3908-12-0x0000000074250000-0x0000000074801000-memory.dmp

Filesize
5.7MB

Download
memory/3908-11-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3908-34-0x0000000074250000-0x0000000074801000-memory.dmp

Filesize
5.7MB

Download
memory/4692-53-0x00007FFC12170000-0x00007FFC12B11000-memory.dmp

Filesize
9.6MB

Download
memory/4692-54-0x0000000001420000-0x0000000001430000-memory.dmp

Filesize
64KB

Download
memory/4692-55-0x00007FFC12170000-0x00007FFC12B11000-memory.dmp

Filesize
9.6MB

Download
memory/4692-56-0x00007FFC12170000-0x00007FFC12B11000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads