a310logger | 900cdeb724906bfb89cb37b1a8917097b47da2d0aa4143e421f3a194455a4684

General

Target

2c719ad6ae08ca72c969acb4bf29d737.exe
Size

225KB
MD5

2c719ad6ae08ca72c969acb4bf29d737
SHA1

80c4b9c3b6c4616741dc62937dc8bef387899cf7
SHA256

900cdeb724906bfb89cb37b1a8917097b47da2d0aa4143e421f3a194455a4684
SHA512

227a740d9785af7a7a08aa9ad4574872f8c58813f4099cb39c7ad3478754e003dfcb0079f6a61f65ef087717b2e939a7351c5d6a6a1e7b9cdb83daf5f280f1ff
SSDEEP

6144:yJXxo77777777777770TFaoUt+cfRsLeWsJavh477gVV777777777777777777Io:yBm77777777777770TFUxfRsLeW4aGE9

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/1188-10-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty

A310logger Executable 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1188-10-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger
behavioral2/memory/3964-26-0x00000000009C0000-0x00000000009D0000-memory.dmp	a310logger

Executes dropped EXE 1 IoCs

Processes:

MZ.exe

pid process

3964 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
3964	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-1-5-21-1497073144-2389943819-3385106915-1000\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
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
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

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

Suspicious use of SetThreadContext 4 IoCs

Processes:

2c719ad6ae08ca72c969acb4bf29d737.exe2c719ad6ae08ca72c969acb4bf29d737.exe

description	pid	process	target process
PID 4796 set thread context of 4800	4796	2c719ad6ae08ca72c969acb4bf29d737.exe	2c719ad6ae08ca72c969acb4bf29d737.exe
PID 4800 set thread context of 4364	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 set thread context of 1188	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 set thread context of 876	4800	2c719ad6ae08ca72c969acb4bf29d737.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

3996 4796 WerFault.exe 2c719ad6ae08ca72c969acb4bf29d737.exe
532 4364 WerFault.exe InstallUtil.exe

pid	pid_target	process	target process
3996	4796	WerFault.exe	2c719ad6ae08ca72c969acb4bf29d737.exe
532	4364	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 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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

MZ.exeMZ.exe

pid process

3964 MZ.exe
3964 MZ.exe
3964 MZ.exe
3964 MZ.exe
2500 MZ.exe
2500 MZ.exe
2500 MZ.exe
2500 MZ.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

2c719ad6ae08ca72c969acb4bf29d737.exe

pid process

4800 2c719ad6ae08ca72c969acb4bf29d737.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

2c719ad6ae08ca72c969acb4bf29d737.exe

pid process

4796 2c719ad6ae08ca72c969acb4bf29d737.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

InstallUtil.exeMZ.exeMZ.exe

description pid process

Token: SeDebugPrivilege 1188 InstallUtil.exe
Token: SeDebugPrivilege 3964 MZ.exe
Token: SeDebugPrivilege 2500 MZ.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2c719ad6ae08ca72c969acb4bf29d737.exe

pid process

4800 2c719ad6ae08ca72c969acb4bf29d737.exe
4800 2c719ad6ae08ca72c969acb4bf29d737.exe

pid	process
3964	MZ.exe
3964	MZ.exe
3964	MZ.exe
3964	MZ.exe
2500	MZ.exe
2500	MZ.exe
2500	MZ.exe
2500	MZ.exe

pid	process
4800	2c719ad6ae08ca72c969acb4bf29d737.exe

pid	process
4796	2c719ad6ae08ca72c969acb4bf29d737.exe

description	pid	process
Token: SeDebugPrivilege	1188	InstallUtil.exe
Token: SeDebugPrivilege	3964	MZ.exe
Token: SeDebugPrivilege	2500	MZ.exe

pid	process
4800	2c719ad6ae08ca72c969acb4bf29d737.exe
4800	2c719ad6ae08ca72c969acb4bf29d737.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

2c719ad6ae08ca72c969acb4bf29d737.exe2c719ad6ae08ca72c969acb4bf29d737.exeInstallUtil.exe

description	pid	process	target process
PID 4796 wrote to memory of 4800	4796	2c719ad6ae08ca72c969acb4bf29d737.exe	2c719ad6ae08ca72c969acb4bf29d737.exe
PID 4796 wrote to memory of 4800	4796	2c719ad6ae08ca72c969acb4bf29d737.exe	2c719ad6ae08ca72c969acb4bf29d737.exe
PID 4796 wrote to memory of 4800	4796	2c719ad6ae08ca72c969acb4bf29d737.exe	2c719ad6ae08ca72c969acb4bf29d737.exe
PID 4796 wrote to memory of 4800	4796	2c719ad6ae08ca72c969acb4bf29d737.exe	2c719ad6ae08ca72c969acb4bf29d737.exe
PID 4800 wrote to memory of 4364	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 4364	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 4364	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 4364	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 1188	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 1188	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 1188	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 1188	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 1188	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 1188	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 1188	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 1188	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 1188 wrote to memory of 3964	1188	InstallUtil.exe	MZ.exe
PID 1188 wrote to memory of 3964	1188	InstallUtil.exe	MZ.exe
PID 4800 wrote to memory of 876	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 876	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 876	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 876	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 876	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 876	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 876	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe
PID 4800 wrote to memory of 876	4800	2c719ad6ae08ca72c969acb4bf29d737.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

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

Processes:

InstallUtil.exe

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\2c719ad6ae08ca72c969acb4bf29d737.exe
"C:\Users\Admin\AppData\Local\Temp\2c719ad6ae08ca72c969acb4bf29d737.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4796

C:\Users\Admin\AppData\Local\Temp\2c719ad6ae08ca72c969acb4bf29d737.exe
"C:\Users\Admin\AppData\Local\Temp\2c719ad6ae08ca72c969acb4bf29d737.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4800

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
3⤵
PID:4364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 80
4⤵
- Program crash
PID:532

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:1188

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:3964

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:876

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4796 -s 304
2⤵
- Program crash
PID:3996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4796 -ip 4796
1⤵
PID:4304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4364 -ip 4364
1⤵
PID:3952

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\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\Roaming\Microsoft\Windows\Templates\MZ.exe
Filesize
20KB

MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
memory/876-42-0x00000000729D0000-0x00000000729D8000-memory.dmp

Filesize
32KB

Download
memory/876-41-0x0000000072B40000-0x0000000072B52000-memory.dmp

Filesize
72KB

Download
memory/1188-33-0x0000000074560000-0x0000000074B11000-memory.dmp

Filesize
5.7MB

Download
memory/1188-10-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1188-12-0x0000000000DE0000-0x0000000000DF0000-memory.dmp

Filesize
64KB

Download
memory/1188-13-0x0000000074560000-0x0000000074B11000-memory.dmp

Filesize
5.7MB

Download
memory/1188-11-0x0000000074560000-0x0000000074B11000-memory.dmp

Filesize
5.7MB

Download
memory/2500-43-0x00007FFEC2140000-0x00007FFEC2AE1000-memory.dmp

Filesize
9.6MB

Download
memory/2500-39-0x00007FFEC2140000-0x00007FFEC2AE1000-memory.dmp

Filesize
9.6MB

Download
memory/2500-40-0x00007FFEC2140000-0x00007FFEC2AE1000-memory.dmp

Filesize
9.6MB

Download
memory/2500-38-0x00007FFEC2140000-0x00007FFEC2AE1000-memory.dmp

Filesize
9.6MB

Download
memory/3964-26-0x00000000009C0000-0x00000000009D0000-memory.dmp

Filesize
64KB

Download
memory/3964-25-0x00007FFEC2140000-0x00007FFEC2AE1000-memory.dmp

Filesize
9.6MB

Download
memory/3964-34-0x00007FFEC2140000-0x00007FFEC2AE1000-memory.dmp

Filesize
9.6MB

Download
memory/3964-31-0x00007FFEC2140000-0x00007FFEC2AE1000-memory.dmp

Filesize
9.6MB

Download
memory/3964-30-0x00007FFEC2140000-0x00007FFEC2AE1000-memory.dmp

Filesize
9.6MB

Download
memory/4796-0-0x0000000000210000-0x0000000000217000-memory.dmp

Filesize
28KB

Download
memory/4796-1-0x0000000000B80000-0x0000000000B82000-memory.dmp

Filesize
8KB

Download
memory/4800-4-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4800-2-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4800-8-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads