a310logger | 04e942767c6c9744ef7eb6d3cc342239b8feaacd4df3c5e542b85177c0fbd97f

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 13:12

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General

Target

37798198d3649f8171286118fd320fe2.exe
Size

2.7MB
MD5

37798198d3649f8171286118fd320fe2
SHA1

e4d54a7c1dec833f20a6ff922388bac3b0a8546f
SHA256

04e942767c6c9744ef7eb6d3cc342239b8feaacd4df3c5e542b85177c0fbd97f
SHA512

04f6b778a1920686a8c831be6a827df8997c70b5f2148470142748388d8719f78c553ca462000323bc96c9dc0443addaed636687743ed6df159bab3e90e45838
SSDEEP

12288:lmsZymTeEa4vxX8Y4psEDM44IR//XjlYFq1XIJrgjawytjSu76nPK91s38NOu6Nb:ol

Score

10^/10

a310logger stormkitty zgrat collection rat spyware stealer

Malware Config

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger

Detect ZGRat V1 2 IoCs

resource	yara_rule
behavioral2/memory/5052-17-0x00000000018F0000-0x0000000001900000-memory.dmp	family_zgrat_v1
behavioral2/memory/1996-7-0x0000000005BA0000-0x0000000005BB6000-memory.dmp	family_zgrat_v1

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 2 IoCs

resource	yara_rule
behavioral2/memory/5052-15-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/2956-44-0x0000000001650000-0x0000000001660000-memory.dmp	family_stormkitty

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

A310logger Executable 4 IoCs

resource	yara_rule
behavioral2/memory/5052-15-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/668-31-0x0000000000CA0000-0x0000000000CB0000-memory.dmp	a310logger
behavioral2/memory/2956-44-0x0000000001650000-0x0000000001660000-memory.dmp	a310logger
behavioral2/files/0x0006000000023384-78.dat	a310logger

Executes dropped EXE 3 IoCs

pid	Process
668	MZ.exe
4564	MZ.exe
3664	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

Accesses Microsoft Outlook profiles 1 TTPs 9 IoCs

collection

Email Collection

T1114

description	ioc	Process
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
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\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

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
25	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 4 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 4164	1996	37798198d3649f8171286118fd320fe2.exe	91
PID 4164 set thread context of 5052	4164	37798198d3649f8171286118fd320fe2.exe	90
PID 4164 set thread context of 2956	4164	37798198d3649f8171286118fd320fe2.exe	103
PID 4164 set thread context of 2896	4164	37798198d3649f8171286118fd320fe2.exe	107

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

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

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

pid	Process
668	MZ.exe
668	MZ.exe
4564	MZ.exe
4564	MZ.exe
3664	MZ.exe
3664	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4164	37798198d3649f8171286118fd320fe2.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	5052	InstallUtil.exe
Token: SeDebugPrivilege	668	MZ.exe
Token: SeDebugPrivilege	2956	InstallUtil.exe
Token: SeDebugPrivilege	4564	MZ.exe
Token: SeDebugPrivilege	2896	InstallUtil.exe
Token: SeDebugPrivilege	3664	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4164	37798198d3649f8171286118fd320fe2.exe
4164	37798198d3649f8171286118fd320fe2.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 4164	1996	37798198d3649f8171286118fd320fe2.exe	91
PID 1996 wrote to memory of 4164	1996	37798198d3649f8171286118fd320fe2.exe	91
PID 1996 wrote to memory of 4164	1996	37798198d3649f8171286118fd320fe2.exe	91
PID 1996 wrote to memory of 4164	1996	37798198d3649f8171286118fd320fe2.exe	91
PID 1996 wrote to memory of 4164	1996	37798198d3649f8171286118fd320fe2.exe	91
PID 1996 wrote to memory of 4164	1996	37798198d3649f8171286118fd320fe2.exe	91
PID 1996 wrote to memory of 4164	1996	37798198d3649f8171286118fd320fe2.exe	91
PID 1996 wrote to memory of 4164	1996	37798198d3649f8171286118fd320fe2.exe	91
PID 4164 wrote to memory of 5052	4164	37798198d3649f8171286118fd320fe2.exe	90
PID 4164 wrote to memory of 5052	4164	37798198d3649f8171286118fd320fe2.exe	90
PID 4164 wrote to memory of 5052	4164	37798198d3649f8171286118fd320fe2.exe	90
PID 4164 wrote to memory of 5052	4164	37798198d3649f8171286118fd320fe2.exe	90
PID 4164 wrote to memory of 5052	4164	37798198d3649f8171286118fd320fe2.exe	90
PID 4164 wrote to memory of 5052	4164	37798198d3649f8171286118fd320fe2.exe	90
PID 4164 wrote to memory of 5052	4164	37798198d3649f8171286118fd320fe2.exe	90
PID 4164 wrote to memory of 5052	4164	37798198d3649f8171286118fd320fe2.exe	90
PID 5052 wrote to memory of 668	5052	InstallUtil.exe	97
PID 5052 wrote to memory of 668	5052	InstallUtil.exe	97
PID 4164 wrote to memory of 2956	4164	37798198d3649f8171286118fd320fe2.exe	103
PID 4164 wrote to memory of 2956	4164	37798198d3649f8171286118fd320fe2.exe	103
PID 4164 wrote to memory of 2956	4164	37798198d3649f8171286118fd320fe2.exe	103
PID 4164 wrote to memory of 2956	4164	37798198d3649f8171286118fd320fe2.exe	103
PID 4164 wrote to memory of 2956	4164	37798198d3649f8171286118fd320fe2.exe	103
PID 4164 wrote to memory of 2956	4164	37798198d3649f8171286118fd320fe2.exe	103
PID 4164 wrote to memory of 2956	4164	37798198d3649f8171286118fd320fe2.exe	103
PID 4164 wrote to memory of 2956	4164	37798198d3649f8171286118fd320fe2.exe	103
PID 2956 wrote to memory of 4564	2956	InstallUtil.exe	104
PID 2956 wrote to memory of 4564	2956	InstallUtil.exe	104
PID 4164 wrote to memory of 2896	4164	37798198d3649f8171286118fd320fe2.exe	107
PID 4164 wrote to memory of 2896	4164	37798198d3649f8171286118fd320fe2.exe	107
PID 4164 wrote to memory of 2896	4164	37798198d3649f8171286118fd320fe2.exe	107
PID 4164 wrote to memory of 2896	4164	37798198d3649f8171286118fd320fe2.exe	107
PID 4164 wrote to memory of 2896	4164	37798198d3649f8171286118fd320fe2.exe	107
PID 4164 wrote to memory of 2896	4164	37798198d3649f8171286118fd320fe2.exe	107
PID 4164 wrote to memory of 2896	4164	37798198d3649f8171286118fd320fe2.exe	107
PID 4164 wrote to memory of 2896	4164	37798198d3649f8171286118fd320fe2.exe	107
PID 2896 wrote to memory of 3664	2896	InstallUtil.exe	108
PID 2896 wrote to memory of 3664	2896	InstallUtil.exe	108

outlook_office_path 1 IoCs

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

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\37798198d3649f8171286118fd320fe2.exe
"C:\Users\Admin\AppData\Local\Temp\37798198d3649f8171286118fd320fe2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\37798198d3649f8171286118fd320fe2.exe
  "C:\Users\Admin\AppData\Local\Temp\37798198d3649f8171286118fd320fe2.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4164
- - 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:2956
  - - 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:4564
- - 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:2896
  - - 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:3664

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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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/668-32-0x00007FFFC6AD0000-0x00007FFFC7471000-memory.dmp

Filesize
9.6MB

Download
memory/668-36-0x00007FFFC6AD0000-0x00007FFFC7471000-memory.dmp

Filesize
9.6MB

Download
memory/668-31-0x0000000000CA0000-0x0000000000CB0000-memory.dmp

Filesize
64KB

Download
memory/668-30-0x00007FFFC6AD0000-0x00007FFFC7471000-memory.dmp

Filesize
9.6MB

Download
memory/1996-13-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/1996-5-0x00000000056B0000-0x0000000005728000-memory.dmp

Filesize
480KB

Download
memory/1996-1-0x0000000000F80000-0x0000000001234000-memory.dmp

Filesize
2.7MB

Download
memory/1996-6-0x0000000005FB0000-0x0000000005FC0000-memory.dmp

Filesize
64KB

Download
memory/1996-4-0x0000000005D70000-0x0000000005E0C000-memory.dmp

Filesize
624KB

Download
memory/1996-7-0x0000000005BA0000-0x0000000005BB6000-memory.dmp

Filesize
88KB

Download
memory/1996-3-0x0000000005C30000-0x0000000005CC2000-memory.dmp

Filesize
584KB

Download
memory/1996-2-0x0000000006140000-0x00000000066E4000-memory.dmp

Filesize
5.6MB

Download
memory/1996-0-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/2896-67-0x0000000073BD0000-0x0000000074181000-memory.dmp

Filesize
5.7MB

Download
memory/2896-66-0x00000000014C0000-0x00000000014D0000-memory.dmp

Filesize
64KB

Download
memory/2896-65-0x0000000073BD0000-0x0000000074181000-memory.dmp

Filesize
5.7MB

Download
memory/2896-81-0x0000000073BD0000-0x0000000074181000-memory.dmp

Filesize
5.7MB

Download
memory/2956-44-0x0000000001650000-0x0000000001660000-memory.dmp

Filesize
64KB

Download
memory/2956-45-0x0000000073BD0000-0x0000000074181000-memory.dmp

Filesize
5.7MB

Download
memory/2956-43-0x0000000073BD0000-0x0000000074181000-memory.dmp

Filesize
5.7MB

Download
memory/2956-61-0x0000000073BD0000-0x0000000074181000-memory.dmp

Filesize
5.7MB

Download
memory/3664-80-0x00007FFFC5F30000-0x00007FFFC68D1000-memory.dmp

Filesize
9.6MB

Download
memory/3664-79-0x00007FFFC5F30000-0x00007FFFC68D1000-memory.dmp

Filesize
9.6MB

Download
memory/3664-82-0x00007FFFC5F30000-0x00007FFFC68D1000-memory.dmp

Filesize
9.6MB

Download
memory/4164-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4164-39-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4164-8-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4564-58-0x00007FFFC6AD0000-0x00007FFFC7471000-memory.dmp

Filesize
9.6MB

Download
memory/4564-62-0x00007FFFC6AD0000-0x00007FFFC7471000-memory.dmp

Filesize
9.6MB

Download
memory/4564-59-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/4564-60-0x00007FFFC6AD0000-0x00007FFFC7471000-memory.dmp

Filesize
9.6MB

Download
memory/5052-38-0x0000000073EC0000-0x0000000074471000-memory.dmp

Filesize
5.7MB

Download
memory/5052-16-0x0000000073EC0000-0x0000000074471000-memory.dmp

Filesize
5.7MB

Download
memory/5052-18-0x0000000073EC0000-0x0000000074471000-memory.dmp

Filesize
5.7MB

Download
memory/5052-17-0x00000000018F0000-0x0000000001900000-memory.dmp

Filesize
64KB

Download
memory/5052-15-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download