661d12b5e6cb61f54086d48b865ef5989ec00379f52b92fdb68b2ef59eddef43

Analysis

max time kernel
260s
max time network
266s
platform
windows10_x64
resource
win10v20201028
submitted
01-12-2020 14:18

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General

Target

Downloads3/IgqbCYuTw.bin.exe
Size

831KB
MD5

a53b06d097028f1e72d5cc2047a4a3cb
SHA1

1a48ac9fe688ecc2e92d4ee5c0bcd1d3cc85587e
SHA256

0e00f18b21735e6e76c96cb5f0930d71bd78c4347e100260547c12e931ff15ff
SHA512

391ca5003bf5a6165ec1e3dda7ba7f24ed936f4a811bc76808843fd5cf4ce46013fa9fdf4e074fab4825b6e0472cf8f014a7c4c615fafa9f600ebc12eef3f7af

Score

8^/10

spyware

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

5993864455.exe

pid process

2520 5993864455.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

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

7 ip-api.com

flow	ioc
7	ip-api.com

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:

5993864455.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	5993864455.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5993864455.exe

Kills process with taskkill 2 IoCs
evasion

Processes:

taskkill.exetaskkill.exe

pid process

2464 taskkill.exe
908 taskkill.exe

pid	process
2464	taskkill.exe
908	taskkill.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

5993864455.exe

pid	process
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe
2520	5993864455.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

taskkill.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 908 taskkill.exe
Token: SeDebugPrivilege 2464 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	908	taskkill.exe
Token: SeDebugPrivilege	2464	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

IgqbCYuTw.bin.execmd.exe5993864455.execmd.exe

description	pid	process	target process
PID 1036 wrote to memory of 2520	1036	IgqbCYuTw.bin.exe	5993864455.exe
PID 1036 wrote to memory of 2520	1036	IgqbCYuTw.bin.exe	5993864455.exe
PID 1036 wrote to memory of 2520	1036	IgqbCYuTw.bin.exe	5993864455.exe
PID 1036 wrote to memory of 2960	1036	IgqbCYuTw.bin.exe	cmd.exe
PID 1036 wrote to memory of 2960	1036	IgqbCYuTw.bin.exe	cmd.exe
PID 1036 wrote to memory of 2960	1036	IgqbCYuTw.bin.exe	cmd.exe
PID 2960 wrote to memory of 908	2960	cmd.exe	taskkill.exe
PID 2960 wrote to memory of 908	2960	cmd.exe	taskkill.exe
PID 2960 wrote to memory of 908	2960	cmd.exe	taskkill.exe
PID 2520 wrote to memory of 2012	2520	5993864455.exe	cmd.exe
PID 2520 wrote to memory of 2012	2520	5993864455.exe	cmd.exe
PID 2520 wrote to memory of 2012	2520	5993864455.exe	cmd.exe
PID 2012 wrote to memory of 2464	2012	cmd.exe	taskkill.exe
PID 2012 wrote to memory of 2464	2012	cmd.exe	taskkill.exe
PID 2012 wrote to memory of 2464	2012	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\Downloads3\IgqbCYuTw.bin.exe
"C:\Users\Admin\AppData\Local\Temp\Downloads3\IgqbCYuTw.bin.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1036

C:\ProgramData\Arkei-4a1d5b5d-6336-41a4-a4da-b4af65e6deff\5993864455.exe
"C:\ProgramData\Arkei-4a1d5b5d-6336-41a4-a4da-b4af65e6deff\5993864455.exe"
2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2520

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im 5993864455.exe /f & erase C:\ProgramData\Arkei-4a1d5b5d-6336-41a4-a4da-b4af65e6deff\5993864455.exe & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SysWOW64\taskkill.exe
taskkill /im 5993864455.exe /f
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2464

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im IgqbCYuTw.bin.exe /f & erase C:\Users\Admin\AppData\Local\Temp\Downloads3\IgqbCYuTw.bin.exe & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2960

C:\Windows\SysWOW64\taskkill.exe
taskkill /im IgqbCYuTw.bin.exe /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:908

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\Arkei-4a1d5b5d-6336-41a4-a4da-b4af65e6deff\5993864455.exe
MD5
a53b06d097028f1e72d5cc2047a4a3cb

SHA1
1a48ac9fe688ecc2e92d4ee5c0bcd1d3cc85587e

SHA256
0e00f18b21735e6e76c96cb5f0930d71bd78c4347e100260547c12e931ff15ff

SHA512
391ca5003bf5a6165ec1e3dda7ba7f24ed936f4a811bc76808843fd5cf4ce46013fa9fdf4e074fab4825b6e0472cf8f014a7c4c615fafa9f600ebc12eef3f7af

Download Submit
C:\ProgramData\Arkei-4a1d5b5d-6336-41a4-a4da-b4af65e6deff\5993864455.exe
MD5
a53b06d097028f1e72d5cc2047a4a3cb

SHA1
1a48ac9fe688ecc2e92d4ee5c0bcd1d3cc85587e

SHA256
0e00f18b21735e6e76c96cb5f0930d71bd78c4347e100260547c12e931ff15ff

SHA512
391ca5003bf5a6165ec1e3dda7ba7f24ed936f4a811bc76808843fd5cf4ce46013fa9fdf4e074fab4825b6e0472cf8f014a7c4c615fafa9f600ebc12eef3f7af

Download Submit
memory/908-6-0x0000000000000000-mapping.dmp

Download
memory/2012-7-0x0000000000000000-mapping.dmp

Download
memory/2464-8-0x0000000000000000-mapping.dmp

Download
memory/2520-2-0x0000000000000000-mapping.dmp

Download
memory/2960-5-0x0000000000000000-mapping.dmp

Download