a310logger | 04e942767c6c9744ef7eb6d3cc342239b8feaacd4df3c5e542b85177c0fbd97f

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4572-7-0x0000000002AD0000-0x0000000002AE6000-memory.dmp	family_zgrat_v1

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

StormKitty payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3268-14-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/3552-33-0x0000000001040000-0x0000000001050000-memory.dmp	family_stormkitty

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

A310logger Executable 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3268-14-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/3552-33-0x0000000001040000-0x0000000001050000-memory.dmp	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger
behavioral2/memory/4272-46-0x0000000001400000-0x0000000001410000-memory.dmp	a310logger

Executes dropped EXE 1 IoCs

Processes:

MZ.exe

pid process

4272 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
4272	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-1-5-21-996941297-2279405024-2328152752-1000\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
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

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

flow	ioc
130	icanhazip.com

Suspicious use of SetThreadContext 4 IoCs

Processes:

37798198d3649f8171286118fd320fe2.exe37798198d3649f8171286118fd320fe2.exe

description	pid	process	target process
PID 4572 set thread context of 2456	4572	37798198d3649f8171286118fd320fe2.exe	37798198d3649f8171286118fd320fe2.exe
PID 2456 set thread context of 3268	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 set thread context of 3552	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 set thread context of 692	2456	37798198d3649f8171286118fd320fe2.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

4228 692 WerFault.exe InstallUtil.exe

pid	pid_target	process	target process
4228	692	WerFault.exe	InstallUtil.exe

Checks processor information in registry 2 TTPs 5 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

InstallUtil.exedw20.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	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	InstallUtil.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

MZ.exe

pid process

4272 MZ.exe
4272 MZ.exe
4272 MZ.exe
4272 MZ.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

37798198d3649f8171286118fd320fe2.exe

pid process

2456 37798198d3649f8171286118fd320fe2.exe

pid	process
4272	MZ.exe
4272	MZ.exe
4272	MZ.exe
4272	MZ.exe

pid	process
2456	37798198d3649f8171286118fd320fe2.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

dw20.exeInstallUtil.exeMZ.exe

description	pid	process
Token: SeRestorePrivilege	216	dw20.exe
Token: SeBackupPrivilege	216	dw20.exe
Token: SeBackupPrivilege	216	dw20.exe
Token: SeBackupPrivilege	216	dw20.exe
Token: SeDebugPrivilege	3552	InstallUtil.exe
Token: SeDebugPrivilege	4272	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

37798198d3649f8171286118fd320fe2.exe

pid process

2456 37798198d3649f8171286118fd320fe2.exe
2456 37798198d3649f8171286118fd320fe2.exe

pid	process
2456	37798198d3649f8171286118fd320fe2.exe
2456	37798198d3649f8171286118fd320fe2.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

37798198d3649f8171286118fd320fe2.exe37798198d3649f8171286118fd320fe2.exeInstallUtil.exeInstallUtil.exe

description	pid	process	target process
PID 4572 wrote to memory of 2456	4572	37798198d3649f8171286118fd320fe2.exe	37798198d3649f8171286118fd320fe2.exe
PID 4572 wrote to memory of 2456	4572	37798198d3649f8171286118fd320fe2.exe	37798198d3649f8171286118fd320fe2.exe
PID 4572 wrote to memory of 2456	4572	37798198d3649f8171286118fd320fe2.exe	37798198d3649f8171286118fd320fe2.exe
PID 4572 wrote to memory of 2456	4572	37798198d3649f8171286118fd320fe2.exe	37798198d3649f8171286118fd320fe2.exe
PID 4572 wrote to memory of 2456	4572	37798198d3649f8171286118fd320fe2.exe	37798198d3649f8171286118fd320fe2.exe
PID 4572 wrote to memory of 2456	4572	37798198d3649f8171286118fd320fe2.exe	37798198d3649f8171286118fd320fe2.exe
PID 4572 wrote to memory of 2456	4572	37798198d3649f8171286118fd320fe2.exe	37798198d3649f8171286118fd320fe2.exe
PID 4572 wrote to memory of 2456	4572	37798198d3649f8171286118fd320fe2.exe	37798198d3649f8171286118fd320fe2.exe
PID 2456 wrote to memory of 3268	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3268	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3268	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3268	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3268	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3268	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3268	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3268	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 3268 wrote to memory of 216	3268	InstallUtil.exe	dw20.exe
PID 3268 wrote to memory of 216	3268	InstallUtil.exe	dw20.exe
PID 3268 wrote to memory of 216	3268	InstallUtil.exe	dw20.exe
PID 2456 wrote to memory of 3552	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3552	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3552	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3552	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3552	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3552	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3552	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 3552	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 3552 wrote to memory of 4272	3552	InstallUtil.exe	MZ.exe
PID 3552 wrote to memory of 4272	3552	InstallUtil.exe	MZ.exe
PID 2456 wrote to memory of 692	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 692	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 692	2456	37798198d3649f8171286118fd320fe2.exe	InstallUtil.exe
PID 2456 wrote to memory of 692	2456	37798198d3649f8171286118fd320fe2.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\37798198d3649f8171286118fd320fe2.exe
"C:\Users\Admin\AppData\Local\Temp\37798198d3649f8171286118fd320fe2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4572

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:2456

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
- Suspicious use of WriteProcessMemory
PID:3268

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 472
4⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:216

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:3552

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:4272

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
3⤵
PID:692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 692 -s 80
4⤵
- Program crash
PID:4228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 692 -ip 692
1⤵
PID:3412

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

3

T1082

Query Registry

2

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/2456-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2456-26-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2456-8-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3268-24-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/3268-17-0x0000000001680000-0x0000000001690000-memory.dmp

Filesize
64KB

Download
memory/3268-16-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/3268-15-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/3268-14-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3552-33-0x0000000001040000-0x0000000001050000-memory.dmp

Filesize
64KB

Download
memory/3552-31-0x00000000744F0000-0x0000000074AA1000-memory.dmp

Filesize
5.7MB

Download
memory/3552-53-0x00000000744F0000-0x0000000074AA1000-memory.dmp

Filesize
5.7MB

Download
memory/3552-32-0x00000000744F0000-0x0000000074AA1000-memory.dmp

Filesize
5.7MB

Download
memory/3552-29-0x00000000744F0000-0x0000000074AA1000-memory.dmp

Filesize
5.7MB

Download
memory/3552-30-0x0000000001040000-0x0000000001050000-memory.dmp

Filesize
64KB

Download
memory/4272-51-0x00007FFA4CB30000-0x00007FFA4D4D1000-memory.dmp

Filesize
9.6MB

Download
memory/4272-47-0x00007FFA4CB30000-0x00007FFA4D4D1000-memory.dmp

Filesize
9.6MB

Download
memory/4272-46-0x0000000001400000-0x0000000001410000-memory.dmp

Filesize
64KB

Download
memory/4272-45-0x00007FFA4CB30000-0x00007FFA4D4D1000-memory.dmp

Filesize
9.6MB

Download
memory/4572-3-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/4572-2-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download
memory/4572-1-0x00000000004D0000-0x0000000000784000-memory.dmp

Filesize
2.7MB

Download
memory/4572-0-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4572-25-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4572-7-0x0000000002AD0000-0x0000000002AE6000-memory.dmp

Filesize
88KB

Download
memory/4572-4-0x0000000005270000-0x000000000530C000-memory.dmp

Filesize
624KB

Download
memory/4572-5-0x0000000005540000-0x0000000005550000-memory.dmp

Filesize
64KB

Download
memory/4572-6-0x0000000002A30000-0x0000000002AA8000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads