a310logger | 2079e40b5cbdef00232f13d540bb2e057952692a184d7a4c41daffe882943d4a

General

Target

NKPOY00987900K.exe
Size

37KB
MD5

519495b97861c5e3aa560ccbf16b6a00
SHA1

d25dfc588f3462eb4bfb4360bf2822c5c8645ec5
SHA256

990b62bd8929c8b736fdcf793edb869c350b1a47a7d14ae07f12f951b4d9d55d
SHA512

7720caf3c3aed61ef4fc00c3f281f56b5fc547abee6a7c0014e77b465b6684ea657bba3de7a289ae4e7f5a3186bcceb589d19ea906471668d59cffdde6c8e03c

Score

10^/10

a310logger stormkitty 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 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3368-118-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/3368-119-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/3504-128-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/1272-137-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 10 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3368-118-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/3368-119-0x0000000000412452-mapping.dmp	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger
behavioral2/memory/3504-128-0x0000000000412452-mapping.dmp	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger
behavioral2/memory/1272-137-0x0000000000412452-mapping.dmp	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger

Executes dropped EXE 3 IoCs

Processes:

MZ.exeMZ.exeMZ.exe

pid process

3820 MZ.exe
2024 MZ.exe
812 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
T1081
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
T1081
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

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

pid	process
3820	MZ.exe
2024	MZ.exe
812	MZ.exe

flow	ioc
19	icanhazip.com

Suspicious use of SetThreadContext 4 IoCs

Processes:

NKPOY00987900K.exeNKPOY00987900K.exe

description	pid	process	target process
PID 2280 set thread context of 2820	2280	NKPOY00987900K.exe	NKPOY00987900K.exe
PID 2820 set thread context of 3368	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 set thread context of 3504	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 set thread context of 1272	2820	NKPOY00987900K.exe	InstallUtil.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 6 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

InstallUtil.exeInstallUtil.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
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 6 IoCs

Processes:

MZ.exeMZ.exeMZ.exe

pid process

3820 MZ.exe
3820 MZ.exe
2024 MZ.exe
2024 MZ.exe
812 MZ.exe
812 MZ.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

NKPOY00987900K.exe

pid process

2820 NKPOY00987900K.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

NKPOY00987900K.exe

pid process

2280 NKPOY00987900K.exe

pid	process
3820	MZ.exe
3820	MZ.exe
2024	MZ.exe
2024	MZ.exe
812	MZ.exe
812	MZ.exe

pid	process
2820	NKPOY00987900K.exe

pid	process
2280	NKPOY00987900K.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

InstallUtil.exeMZ.exeInstallUtil.exeMZ.exeInstallUtil.exeMZ.exe

description	pid	process
Token: SeDebugPrivilege	3368	InstallUtil.exe
Token: SeDebugPrivilege	3820	MZ.exe
Token: SeDebugPrivilege	3504	InstallUtil.exe
Token: SeDebugPrivilege	2024	MZ.exe
Token: SeDebugPrivilege	1272	InstallUtil.exe
Token: SeDebugPrivilege	812	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

NKPOY00987900K.exe

pid process

2820 NKPOY00987900K.exe
2820 NKPOY00987900K.exe

pid	process
2820	NKPOY00987900K.exe
2820	NKPOY00987900K.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

NKPOY00987900K.exeNKPOY00987900K.exeInstallUtil.exeInstallUtil.exeInstallUtil.exe

description	pid	process	target process
PID 2280 wrote to memory of 2820	2280	NKPOY00987900K.exe	NKPOY00987900K.exe
PID 2280 wrote to memory of 2820	2280	NKPOY00987900K.exe	NKPOY00987900K.exe
PID 2280 wrote to memory of 2820	2280	NKPOY00987900K.exe	NKPOY00987900K.exe
PID 2280 wrote to memory of 2820	2280	NKPOY00987900K.exe	NKPOY00987900K.exe
PID 2820 wrote to memory of 3368	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3368	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3368	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3368	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3368	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3368	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3368	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3368	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 3368 wrote to memory of 3820	3368	InstallUtil.exe	MZ.exe
PID 3368 wrote to memory of 3820	3368	InstallUtil.exe	MZ.exe
PID 2820 wrote to memory of 3504	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3504	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3504	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3504	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3504	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3504	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3504	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 3504	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 3504 wrote to memory of 2024	3504	InstallUtil.exe	MZ.exe
PID 3504 wrote to memory of 2024	3504	InstallUtil.exe	MZ.exe
PID 2820 wrote to memory of 1272	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 1272	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 1272	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 1272	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 1272	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 1272	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 1272	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 2820 wrote to memory of 1272	2820	NKPOY00987900K.exe	InstallUtil.exe
PID 1272 wrote to memory of 812	1272	InstallUtil.exe	MZ.exe
PID 1272 wrote to memory of 812	1272	InstallUtil.exe	MZ.exe

C:\Users\Admin\AppData\Local\Temp\NKPOY00987900K.exe
"C:\Users\Admin\AppData\Local\Temp\NKPOY00987900K.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2280

C:\Users\Admin\AppData\Local\Temp\NKPOY00987900K.exe
"C:\Users\Admin\AppData\Local\Temp\NKPOY00987900K.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2820

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
3⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3368

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:3820

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
3⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3504

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:2024

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
3⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1272

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:812

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\MZ.exe.log
MD5
0d96352b982082afe2903d10c1b819a2

SHA1
37067f1193b4a3deaf27f35a09ddba8e2adee680

SHA256
825a471d43d2b81bed778b2bd7a3bf1a2b22a81c3b0de3c68bc2aa9c5bebcec2

SHA512
e55862d182b1f1bc1b296cb213e2c576f545120678e2be930dbcf764069ecb9eb3737cfa010c0a4861a5a20605bfae42a49b955d80006c52bd1486b7134bc2af

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\InstallUtil.exe.log
MD5
a62535934fa7300b21d015be8236a2e5

SHA1
d94f020f9f0f299c46c0ce9b141a3b9da0f32814

SHA256
3efaf87f4602570f0be76f4bd246425060a2731f83aec474d7f354f8e6f62c70

SHA512
69761425416d2de37dc8934232160e2b8912b433cf8cbfc5505bc00d0c227624808c6414297addb91c966ff27045e9c4679af916efb563576c6fa23fdff1c5a5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
memory/812-142-0x0000000000C40000-0x0000000000C42000-memory.dmp

Filesize
8KB

Download
memory/812-139-0x0000000000000000-mapping.dmp

Download
memory/1272-138-0x0000000002EE0000-0x0000000002EE1000-memory.dmp

Filesize
4KB

Download
memory/1272-137-0x0000000000412452-mapping.dmp

Download
memory/2024-131-0x0000000000000000-mapping.dmp

Download
memory/2024-135-0x0000000000FC0000-0x0000000000FC2000-memory.dmp

Filesize
8KB

Download
memory/2280-120-0x000000000F3C0000-0x000000000F3C2000-memory.dmp

Filesize
8KB

Download
memory/2820-115-0x00000000004024E0-mapping.dmp

Download
memory/2820-121-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3368-119-0x0000000000412452-mapping.dmp

Download
memory/3368-118-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3368-122-0x0000000001410000-0x0000000001411000-memory.dmp

Filesize
4KB

Download
memory/3504-130-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

Filesize
4KB

Download
memory/3504-128-0x0000000000412452-mapping.dmp

Download
memory/3820-126-0x0000000002260000-0x0000000002262000-memory.dmp

Filesize
8KB

Download
memory/3820-123-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads