a310logger | 2f27adfa401fb8fa6dec3c55c1b6dac7c46b8c79240406c534d4a75812ae2418

General

Target

4b580862d50bf8bed3dc2dcf48286a97.exe
Size

693KB
MD5

4b580862d50bf8bed3dc2dcf48286a97
SHA1

f5e9cfb4828485fe1a0e713653fa257c033ff9d7
SHA256

2f27adfa401fb8fa6dec3c55c1b6dac7c46b8c79240406c534d4a75812ae2418
SHA512

a2df88330a62b788bc4fe8268e353ed368bfc09995c1cf7fb35bff912e2cc07e303110f704bf84bb5a48d4edd986dd2ecd943e4a9ca58848b3e0d8fb787e4d0a
SSDEEP

12288:8Q3dh+p1h79i/DdA1NUyfJjQuAkmPVHAHTPz/xMITpDp:8QNjDdkUyfJI272IFDp

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

Processes:

resource	yara_rule
behavioral2/memory/4280-11-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/4280-14-0x0000000000EE0000-0x0000000000EF0000-memory.dmp	family_stormkitty

A310logger Executable 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4280-11-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/4280-14-0x0000000000EE0000-0x0000000000EF0000-memory.dmp	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger

Executes dropped EXE 1 IoCs

Processes:

MZ.exe

pid process

2536 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
2536	MZ.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\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.

Processes:

flow ioc

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

flow	ioc
85	icanhazip.com

Suspicious use of SetThreadContext 4 IoCs

Processes:

4b580862d50bf8bed3dc2dcf48286a97.exe4b580862d50bf8bed3dc2dcf48286a97.exe

description	pid	process	target process
PID 4060 set thread context of 3512	4060	4b580862d50bf8bed3dc2dcf48286a97.exe	4b580862d50bf8bed3dc2dcf48286a97.exe
PID 3512 set thread context of 4824	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 set thread context of 4280	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 set thread context of 4172	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe

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

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

1764 4824 WerFault.exe InstallUtil.exe
4888 4172 WerFault.exe InstallUtil.exe

pid	pid_target	process	target process
1764	4824	WerFault.exe	InstallUtil.exe
4888	4172	WerFault.exe	InstallUtil.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

Processes:

InstallUtil.exe

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: EnumeratesProcesses 4 IoCs

Processes:

MZ.exe

pid process

2536 MZ.exe
2536 MZ.exe
2536 MZ.exe
2536 MZ.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

4b580862d50bf8bed3dc2dcf48286a97.exe

pid process

3512 4b580862d50bf8bed3dc2dcf48286a97.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

4b580862d50bf8bed3dc2dcf48286a97.exe

pid process

4060 4b580862d50bf8bed3dc2dcf48286a97.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

InstallUtil.exeMZ.exe

description pid process

Token: SeDebugPrivilege 4280 InstallUtil.exe
Token: SeDebugPrivilege 2536 MZ.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4b580862d50bf8bed3dc2dcf48286a97.exe

pid process

3512 4b580862d50bf8bed3dc2dcf48286a97.exe
3512 4b580862d50bf8bed3dc2dcf48286a97.exe

pid	process
2536	MZ.exe
2536	MZ.exe
2536	MZ.exe
2536	MZ.exe

pid	process
3512	4b580862d50bf8bed3dc2dcf48286a97.exe

pid	process
4060	4b580862d50bf8bed3dc2dcf48286a97.exe

description	pid	process
Token: SeDebugPrivilege	4280	InstallUtil.exe
Token: SeDebugPrivilege	2536	MZ.exe

pid	process
3512	4b580862d50bf8bed3dc2dcf48286a97.exe
3512	4b580862d50bf8bed3dc2dcf48286a97.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

4b580862d50bf8bed3dc2dcf48286a97.exe4b580862d50bf8bed3dc2dcf48286a97.exeInstallUtil.exe

description	pid	process	target process
PID 4060 wrote to memory of 3512	4060	4b580862d50bf8bed3dc2dcf48286a97.exe	4b580862d50bf8bed3dc2dcf48286a97.exe
PID 4060 wrote to memory of 3512	4060	4b580862d50bf8bed3dc2dcf48286a97.exe	4b580862d50bf8bed3dc2dcf48286a97.exe
PID 4060 wrote to memory of 3512	4060	4b580862d50bf8bed3dc2dcf48286a97.exe	4b580862d50bf8bed3dc2dcf48286a97.exe
PID 4060 wrote to memory of 3512	4060	4b580862d50bf8bed3dc2dcf48286a97.exe	4b580862d50bf8bed3dc2dcf48286a97.exe
PID 3512 wrote to memory of 4824	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4824	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4824	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4824	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4280	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4280	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4280	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4280	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4280	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4280	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4280	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4280	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 4280 wrote to memory of 2536	4280	InstallUtil.exe	MZ.exe
PID 4280 wrote to memory of 2536	4280	InstallUtil.exe	MZ.exe
PID 3512 wrote to memory of 4172	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4172	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4172	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe
PID 3512 wrote to memory of 4172	3512	4b580862d50bf8bed3dc2dcf48286a97.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\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-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\4b580862d50bf8bed3dc2dcf48286a97.exe
"C:\Users\Admin\AppData\Local\Temp\4b580862d50bf8bed3dc2dcf48286a97.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4060

C:\Users\Admin\AppData\Local\Temp\4b580862d50bf8bed3dc2dcf48286a97.exe
"C:\Users\Admin\AppData\Local\Temp\4b580862d50bf8bed3dc2dcf48286a97.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3512

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
3⤵
PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 80
4⤵
- Program crash
PID:1764

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:4280

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:2536

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
3⤵
PID:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4172 -s 80
4⤵
- Program crash
PID:4888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4824 -ip 4824
1⤵
PID:4228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4172 -ip 4172
1⤵
PID:2836

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
Filesize
20KB

MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
memory/2536-32-0x00007FFC7FD20000-0x00007FFC806C1000-memory.dmp

Filesize
9.6MB

Download
memory/2536-28-0x00007FFC7FD20000-0x00007FFC806C1000-memory.dmp

Filesize
9.6MB

Download
memory/2536-27-0x00000000015B0000-0x00000000015C0000-memory.dmp

Filesize
64KB

Download
memory/2536-26-0x00007FFC7FD20000-0x00007FFC806C1000-memory.dmp

Filesize
9.6MB

Download
memory/3512-5-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3512-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3512-2-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4060-0-0x0000000000EB0000-0x0000000000F2B000-memory.dmp

Filesize
492KB

Download
memory/4060-4-0x0000000000EB0000-0x0000000000F2B000-memory.dmp

Filesize
492KB

Download
memory/4060-1-0x0000000000E30000-0x0000000000E32000-memory.dmp

Filesize
8KB

Download
memory/4280-11-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4280-12-0x0000000074300000-0x00000000748B1000-memory.dmp

Filesize
5.7MB

Download
memory/4280-13-0x0000000074300000-0x00000000748B1000-memory.dmp

Filesize
5.7MB

Download
memory/4280-14-0x0000000000EE0000-0x0000000000EF0000-memory.dmp

Filesize
64KB

Download
memory/4280-34-0x0000000074300000-0x00000000748B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads