a310logger | 038b5ec90419cc38dcfc837ec372f5abbf49b3903501c11b5e3ee8bffc749755

Analysis

max time kernel
150s
max time network
124s
platform
windows10_x64
resource
win10v20210410
submitted
21-07-2021 16:43

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General

Target

TT000900_989990.exe
Size

894KB
MD5

f343cb0399d345b279de6d50d99f4be9
SHA1

6983c9557f3ab79b9a78f069599080d6988fd0c1
SHA256

451e257b591ad6beacf73a6ff2dc67942fa68cdd453da2784e084d790e66d3df
SHA512

109ab328298c9945aafabe0c306b4ba4534171e40d7ef966ed5e5e14fcc4a87d3ebbc3ff4800fd42fcc78c2d9211b37d37461538f8c79ee3e79fdd5fc429fb19

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

resource	yara_rule
behavioral2/memory/188-128-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/188-129-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/1700-136-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/2220-145-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 10 IoCs

resource	yara_rule
behavioral2/memory/188-128-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/188-129-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000200000001ab82-132.dat	a310logger
behavioral2/files/0x000200000001ab82-133.dat	a310logger
behavioral2/memory/1700-136-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000300000001ab8b-140.dat	a310logger
behavioral2/files/0x000300000001ab8b-141.dat	a310logger
behavioral2/memory/2220-145-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000400000001ab8b-148.dat	a310logger
behavioral2/files/0x000400000001ab8b-149.dat	a310logger

Executes dropped EXE 3 IoCs

pid	Process
2104	MZ.exe
3536	MZ.exe
2168	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.

flow	ioc
12	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 1852 set thread context of 4020	1852	TT000900_989990.exe	78
PID 4020 set thread context of 188	4020	TT000900_989990.exe	79
PID 4020 set thread context of 1700	4020	TT000900_989990.exe	84
PID 4020 set thread context of 2220	4020	TT000900_989990.exe	86

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

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 10 IoCs

pid	Process
1852	TT000900_989990.exe
1852	TT000900_989990.exe
1852	TT000900_989990.exe
1852	TT000900_989990.exe
2104	MZ.exe
2104	MZ.exe
3536	MZ.exe
3536	MZ.exe
2168	MZ.exe
2168	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4020	TT000900_989990.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1852	TT000900_989990.exe
Token: SeDebugPrivilege	188	InstallUtil.exe
Token: SeDebugPrivilege	2104	MZ.exe
Token: SeDebugPrivilege	1700	InstallUtil.exe
Token: SeDebugPrivilege	3536	MZ.exe
Token: SeDebugPrivilege	2220	InstallUtil.exe
Token: SeDebugPrivilege	2168	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4020	TT000900_989990.exe
4020	TT000900_989990.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2704	1852	TT000900_989990.exe	76
PID 1852 wrote to memory of 2704	1852	TT000900_989990.exe	76
PID 1852 wrote to memory of 2704	1852	TT000900_989990.exe	76
PID 1852 wrote to memory of 1928	1852	TT000900_989990.exe	77
PID 1852 wrote to memory of 1928	1852	TT000900_989990.exe	77
PID 1852 wrote to memory of 1928	1852	TT000900_989990.exe	77
PID 1852 wrote to memory of 4020	1852	TT000900_989990.exe	78
PID 1852 wrote to memory of 4020	1852	TT000900_989990.exe	78
PID 1852 wrote to memory of 4020	1852	TT000900_989990.exe	78
PID 1852 wrote to memory of 4020	1852	TT000900_989990.exe	78
PID 1852 wrote to memory of 4020	1852	TT000900_989990.exe	78
PID 1852 wrote to memory of 4020	1852	TT000900_989990.exe	78
PID 1852 wrote to memory of 4020	1852	TT000900_989990.exe	78
PID 1852 wrote to memory of 4020	1852	TT000900_989990.exe	78
PID 4020 wrote to memory of 188	4020	TT000900_989990.exe	79
PID 4020 wrote to memory of 188	4020	TT000900_989990.exe	79
PID 4020 wrote to memory of 188	4020	TT000900_989990.exe	79
PID 4020 wrote to memory of 188	4020	TT000900_989990.exe	79
PID 4020 wrote to memory of 188	4020	TT000900_989990.exe	79
PID 4020 wrote to memory of 188	4020	TT000900_989990.exe	79
PID 4020 wrote to memory of 188	4020	TT000900_989990.exe	79
PID 4020 wrote to memory of 188	4020	TT000900_989990.exe	79
PID 188 wrote to memory of 2104	188	InstallUtil.exe	82
PID 188 wrote to memory of 2104	188	InstallUtil.exe	82
PID 4020 wrote to memory of 1700	4020	TT000900_989990.exe	84
PID 4020 wrote to memory of 1700	4020	TT000900_989990.exe	84
PID 4020 wrote to memory of 1700	4020	TT000900_989990.exe	84
PID 4020 wrote to memory of 1700	4020	TT000900_989990.exe	84
PID 4020 wrote to memory of 1700	4020	TT000900_989990.exe	84
PID 4020 wrote to memory of 1700	4020	TT000900_989990.exe	84
PID 4020 wrote to memory of 1700	4020	TT000900_989990.exe	84
PID 4020 wrote to memory of 1700	4020	TT000900_989990.exe	84
PID 1700 wrote to memory of 3536	1700	InstallUtil.exe	85
PID 1700 wrote to memory of 3536	1700	InstallUtil.exe	85
PID 4020 wrote to memory of 2220	4020	TT000900_989990.exe	86
PID 4020 wrote to memory of 2220	4020	TT000900_989990.exe	86
PID 4020 wrote to memory of 2220	4020	TT000900_989990.exe	86
PID 4020 wrote to memory of 2220	4020	TT000900_989990.exe	86
PID 4020 wrote to memory of 2220	4020	TT000900_989990.exe	86
PID 4020 wrote to memory of 2220	4020	TT000900_989990.exe	86
PID 4020 wrote to memory of 2220	4020	TT000900_989990.exe	86
PID 4020 wrote to memory of 2220	4020	TT000900_989990.exe	86
PID 2220 wrote to memory of 2168	2220	InstallUtil.exe	87
PID 2220 wrote to memory of 2168	2220	InstallUtil.exe	87

C:\Users\Admin\AppData\Local\Temp\TT000900_989990.exe
"C:\Users\Admin\AppData\Local\Temp\TT000900_989990.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Users\Admin\AppData\Local\Temp\TT000900_989990.exe
  "C:\Users\Admin\AppData\Local\Temp\TT000900_989990.exe"
  2⤵
  PID:2704
- C:\Users\Admin\AppData\Local\Temp\TT000900_989990.exe
  "C:\Users\Admin\AppData\Local\Temp\TT000900_989990.exe"
  2⤵
  PID:1928
- C:\Users\Admin\AppData\Local\Temp\TT000900_989990.exe
  "C:\Users\Admin\AppData\Local\Temp\TT000900_989990.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4020
- - 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:188
  - - 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:2104
- - 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:1700
  - - 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:3536
- - 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:2220
  - - 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:2168

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/188-130-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/188-128-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1700-138-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

Filesize
4KB

Download
memory/1852-122-0x00000000057A0000-0x00000000057A1000-memory.dmp

Filesize
4KB

Download
memory/1852-117-0x0000000005400000-0x0000000005401000-memory.dmp

Filesize
4KB

Download
memory/1852-118-0x0000000005500000-0x0000000005571000-memory.dmp

Filesize
452KB

Download
memory/1852-114-0x0000000000B80000-0x0000000000B81000-memory.dmp

Filesize
4KB

Download
memory/1852-121-0x0000000005660000-0x0000000005661000-memory.dmp

Filesize
4KB

Download
memory/1852-119-0x0000000005A80000-0x0000000005A81000-memory.dmp

Filesize
4KB

Download
memory/1852-120-0x00000000053A0000-0x0000000005416000-memory.dmp

Filesize
472KB

Download
memory/1852-123-0x0000000005700000-0x000000000570F000-memory.dmp

Filesize
60KB

Download
memory/1852-116-0x0000000005420000-0x0000000005421000-memory.dmp

Filesize
4KB

Download
memory/2104-134-0x0000000002850000-0x0000000002852000-memory.dmp

Filesize
8KB

Download
memory/2168-150-0x0000000002270000-0x0000000002272000-memory.dmp

Filesize
8KB

Download
memory/2220-146-0x0000000002820000-0x0000000002821000-memory.dmp

Filesize
4KB

Download
memory/3536-143-0x0000000002B00000-0x0000000002B02000-memory.dmp

Filesize
8KB

Download
memory/4020-124-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download