950a2d9a7a0f39f9ab008c76c96e9fc8a93a0eefa5031d0aa01453657df07c18

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
20-07-2022 13:56

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General

Target

test.exe
Size

35.9MB
MD5

1aa9acffe0e10bbb240e0dfa07936d38
SHA1

f0624cc7588dd3d8cb0a5f618afa518097aabb69
SHA256

950a2d9a7a0f39f9ab008c76c96e9fc8a93a0eefa5031d0aa01453657df07c18
SHA512

cd89eb5ab041a81f77f015b13485010b105704fc04125177c7045c950a4c40759a1f5359ec2e1f590bb8ee493e7b7f04e84f362c232953de6bbb32a386841b55

Score

8^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Decoder.exe

pid	Process
1648	Decoder.exe

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 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow	ioc
3	api.ipify.org
4	api.ipify.org
6	freegeoip.app
7	freegeoip.app

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 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

Decoder.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Decoder.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Decoder.exe

Delays execution with timeout.exe 1 IoCs

evasion

Processes:

timeout.exe

pid	Process
1688	timeout.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Decoder.exe

pid	Process
1648	Decoder.exe
1648	Decoder.exe
1648	Decoder.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

test.exeDecoder.exe

description	pid	Process
Token: SeDebugPrivilege	1904	test.exe
Token: SeDebugPrivilege	1648	Decoder.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

test.execmd.exe

description	pid	Process	procid_target
PID 1904 wrote to memory of 1648	1904	test.exe	28
PID 1904 wrote to memory of 1648	1904	test.exe	28
PID 1904 wrote to memory of 1648	1904	test.exe	28
PID 1904 wrote to memory of 1648	1904	test.exe	28
PID 1904 wrote to memory of 1780	1904	test.exe	29
PID 1904 wrote to memory of 1780	1904	test.exe	29
PID 1904 wrote to memory of 1780	1904	test.exe	29
PID 1780 wrote to memory of 1688	1780	cmd.exe	31
PID 1780 wrote to memory of 1688	1780	cmd.exe	31
PID 1780 wrote to memory of 1688	1780	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1904
- C:\ProgramData\Decoder.exe
  "C:\ProgramData\Decoder.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1648
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\system32\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:1688

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

C:\ProgramData\Decoder.exe

Filesize
490KB

MD5
c29c0d495ed13e703f433d53bdffdab8

SHA1
74ed36e6b6027b61abcfe2956670ffd9de7fd71a

SHA256
20309707aa6fc678963aace7685a37839d439c850b1ba399bdbfbbeddc10ed4b

SHA512
fea4c1066ee6df3ebb29a354678a3d0f1398cd216b92b261296fcff580b00e19cefe24d975beebcc41854cceef3df2702d569811358dae4203a924fb52cf5426

Download Submit
C:\Users\Admin\AppData\Local\Temp\.cmd

Filesize
28B

MD5
217407484aac2673214337def8886072

SHA1
0f8c4c94064ce1f7538c43987feb5bb2d7fec0c6

SHA256
467c28ed423f513128575b1c8c6674ee5671096ff1b14bc4c32deebd89fc1797

SHA512
8466383a1cb71ea8b049548fd5a41aaf01c0423743b886cd3cb5007f66bff87d8d5cfa67344451f4490c8f26e4ebf9e306075d5cfc655dc62f0813a456cf1330

Download Submit
memory/1648-57-0x0000000000000000-mapping.dmp

Download
memory/1648-62-0x0000000004920000-0x00000000049BC000-memory.dmp

Filesize
624KB

Download
memory/1648-63-0x0000000004880000-0x000000000491A000-memory.dmp

Filesize
616KB

Download
memory/1648-64-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1648-65-0x0000000004F30000-0x0000000004FA6000-memory.dmp

Filesize
472KB

Download
memory/1688-61-0x0000000000000000-mapping.dmp

Download
memory/1780-59-0x0000000000000000-mapping.dmp

Download
memory/1904-54-0x00000000002D0000-0x0000000000454000-memory.dmp

Filesize
1.5MB

Download
memory/1904-55-0x000000001A860000-0x000000001A8D6000-memory.dmp

Filesize
472KB

Download
memory/1904-56-0x000007FEFB671000-0x000007FEFB673000-memory.dmp

Filesize
8KB

Download