a310logger | 39cd5c2dd4929b254d9ef4bf758ce2401e49fd5da55ae97ad1939db2cc3acdce

General

Target

000100049000TK.exe
Size

955KB
MD5

113f59d0bd4384226e40c17bf899935d
SHA1

4bf159402cefe87d328182fee0e82297b1fff5c5
SHA256

b77f7c59b071608e552cf6ccae6f9e0e3f6790d83ec7d163713b0eedc6eccf25
SHA512

d8e3717916475013e8ec8cc5a5fef303c4467fe66b944f1031ee73ad964a6a699d3c872a305173ac7565e5000ade605e8cef1cbe3ca9438ac1f85993a69a3b78
SSDEEP

12288:gFrXv++Cjkemhes5D9Bq1U50kb9zU9uRyM3/CsUABjFG3CiEN4/PosRbOt/kUQQj:gFrpCDsz2SCyiJA+O9ENGZOMb

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
behavioral1/memory/2236-4-0x0000000000440000-0x0000000000456000-memory.dmp	family_zgrat_v1

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

StormKitty payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2688-25-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2688-27-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2688-31-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2688-33-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2688-35-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2688-38-0x0000000000650000-0x0000000000690000-memory.dmp	family_stormkitty

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

A310logger Executable 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2688-25-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2688-27-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2688-31-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2688-33-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2688-35-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2688-38-0x0000000000650000-0x0000000000690000-memory.dmp	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger

Executes dropped EXE 1 IoCs

Processes:

MZ.exe

pid process

1652 MZ.exe
Loads dropped DLL 1 IoCs

Processes:

InstallUtil.exe

pid process

2688 InstallUtil.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
1652	MZ.exe

pid	process
2688	InstallUtil.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\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

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

flow	ioc
2	icanhazip.com

Suspicious use of SetThreadContext 4 IoCs

Processes:

000100049000TK.exe000100049000TK.exe

description	pid	process	target process
PID 2236 set thread context of 1460	2236	000100049000TK.exe	000100049000TK.exe
PID 1460 set thread context of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 set thread context of 1464	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 set thread context of 2216	1460	000100049000TK.exe	InstallUtil.exe

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 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 2 IoCs

Processes:

MZ.exe

pid process

1652 MZ.exe
1652 MZ.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

000100049000TK.exe

pid process

1460 000100049000TK.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MZ.exe

description pid process

Token: SeDebugPrivilege 1652 MZ.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

000100049000TK.exe

pid process

1460 000100049000TK.exe
1460 000100049000TK.exe

pid	process
1652	MZ.exe
1652	MZ.exe

pid	process
1460	000100049000TK.exe

description	pid	process
Token: SeDebugPrivilege	1652	MZ.exe

pid	process
1460	000100049000TK.exe
1460	000100049000TK.exe

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

000100049000TK.exe000100049000TK.exeInstallUtil.exe

description	pid	process	target process
PID 2236 wrote to memory of 1460	2236	000100049000TK.exe	000100049000TK.exe
PID 2236 wrote to memory of 1460	2236	000100049000TK.exe	000100049000TK.exe
PID 2236 wrote to memory of 1460	2236	000100049000TK.exe	000100049000TK.exe
PID 2236 wrote to memory of 1460	2236	000100049000TK.exe	000100049000TK.exe
PID 2236 wrote to memory of 1460	2236	000100049000TK.exe	000100049000TK.exe
PID 2236 wrote to memory of 1460	2236	000100049000TK.exe	000100049000TK.exe
PID 2236 wrote to memory of 1460	2236	000100049000TK.exe	000100049000TK.exe
PID 2236 wrote to memory of 1460	2236	000100049000TK.exe	000100049000TK.exe
PID 2236 wrote to memory of 1460	2236	000100049000TK.exe	000100049000TK.exe
PID 1460 wrote to memory of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2688	1460	000100049000TK.exe	InstallUtil.exe
PID 2688 wrote to memory of 1652	2688	InstallUtil.exe	MZ.exe
PID 2688 wrote to memory of 1652	2688	InstallUtil.exe	MZ.exe
PID 2688 wrote to memory of 1652	2688	InstallUtil.exe	MZ.exe
PID 2688 wrote to memory of 1652	2688	InstallUtil.exe	MZ.exe
PID 1460 wrote to memory of 1464	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 1464	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 1464	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 1464	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 1464	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 1464	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 1464	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 1464	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2216	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2216	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2216	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2216	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2216	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2216	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2216	1460	000100049000TK.exe	InstallUtil.exe
PID 1460 wrote to memory of 2216	1460	000100049000TK.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\000100049000TK.exe
"C:\Users\Admin\AppData\Local\Temp\000100049000TK.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2236

C:\Users\Admin\AppData\Local\Temp\000100049000TK.exe
"C:\Users\Admin\AppData\Local\Temp\000100049000TK.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2688

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:1652

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
3⤵
PID:1464

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
3⤵
PID:2216

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
922aae37f53fb817caffb71d0962a0a2

SHA1
691f7ac866877fe526426c0b818aafad69bd7557

SHA256
d99f68913d2f45c57b665591aae088f13c0fae36f12a2fdb5e998b69c17e17cf

SHA512
ff12ffb88602fb0170767168ed7eb5598cd0b6aa1871d2125d0a302e49995848a61890ecb6d5d6e4ea0ccddc69c43a9a0c68a701e7ed5c4a71c351444b62d5d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabBE61.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarCAE2.tmp
Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

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/1460-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1460-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1460-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1460-106-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1460-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1460-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1460-5-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1464-113-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1652-110-0x000007FEF5040000-0x000007FEF59DD000-memory.dmp

Filesize
9.6MB

Download
memory/2216-117-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2236-1-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2236-18-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2236-4-0x0000000000440000-0x0000000000456000-memory.dmp

Filesize
88KB

Download
memory/2236-0-0x0000000001360000-0x0000000001454000-memory.dmp

Filesize
976KB

Download
memory/2236-2-0x0000000004920000-0x0000000004960000-memory.dmp

Filesize
256KB

Download
memory/2236-3-0x0000000004860000-0x00000000048D8000-memory.dmp

Filesize
480KB

Download
memory/2688-25-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2688-37-0x00000000738B0000-0x0000000073E5B000-memory.dmp

Filesize
5.7MB

Download
memory/2688-38-0x0000000000650000-0x0000000000690000-memory.dmp

Filesize
256KB

Download
memory/2688-36-0x00000000738B0000-0x0000000073E5B000-memory.dmp

Filesize
5.7MB

Download
memory/2688-35-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2688-33-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2688-31-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2688-21-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2688-107-0x00000000738B0000-0x0000000073E5B000-memory.dmp

Filesize
5.7MB

Download
memory/2688-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2688-111-0x00000000738B0000-0x0000000073E5B000-memory.dmp

Filesize
5.7MB

Download
memory/2688-23-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2688-27-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads