2da5d10cdba79d8a8153eaf7ab3d4aad3afaf14c6d9098f7720858c61910948c

General

Target

Lucky Fixed.exe
Size

1.5MB
MD5

02346b31c94a650a16dea1a262db5153
SHA1

a301b0d05d01a35b6e893d3d2ebe9bf8985ae434
SHA256

2da5d10cdba79d8a8153eaf7ab3d4aad3afaf14c6d9098f7720858c61910948c
SHA512

1b6bd5adc407829ffbfadea6e4d37b0b21baaac926fd909ed9fe0c7084a2f432df11a2640dd6423cff9a8beb0b4e11b272c2a02f48f75b64dc25f8b109838c9a

Score

8^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Decoder.exe

pid process

1568 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

7 freegeoip.app
3 api.ipify.org
4 api.ipify.org
6 freegeoip.app
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
1568	Decoder.exe

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

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2028 timeout.exe

pid	process
2028	timeout.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

Decoder.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	Decoder.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	Decoder.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Decoder.exe

pid process

1568 Decoder.exe
1568 Decoder.exe
1568 Decoder.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Lucky Fixed.exeDecoder.exe

description pid process

Token: SeDebugPrivilege 1324 Lucky Fixed.exe
Token: SeDebugPrivilege 1568 Decoder.exe

pid	process
1568	Decoder.exe
1568	Decoder.exe
1568	Decoder.exe

description	pid	process
Token: SeDebugPrivilege	1324	Lucky Fixed.exe
Token: SeDebugPrivilege	1568	Decoder.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

Lucky Fixed.execmd.exe

description	pid	process	target process
PID 1324 wrote to memory of 1568	1324	Lucky Fixed.exe	Decoder.exe
PID 1324 wrote to memory of 1568	1324	Lucky Fixed.exe	Decoder.exe
PID 1324 wrote to memory of 1568	1324	Lucky Fixed.exe	Decoder.exe
PID 1324 wrote to memory of 1568	1324	Lucky Fixed.exe	Decoder.exe
PID 1324 wrote to memory of 1608	1324	Lucky Fixed.exe	cmd.exe
PID 1324 wrote to memory of 1608	1324	Lucky Fixed.exe	cmd.exe
PID 1324 wrote to memory of 1608	1324	Lucky Fixed.exe	cmd.exe
PID 1608 wrote to memory of 2028	1608	cmd.exe	timeout.exe
PID 1608 wrote to memory of 2028	1608	cmd.exe	timeout.exe
PID 1608 wrote to memory of 2028	1608	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\Lucky Fixed.exe
"C:\Users\Admin\AppData\Local\Temp\Lucky Fixed.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324

C:\ProgramData\Decoder.exe
"C:\ProgramData\Decoder.exe"
2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1568

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
2⤵
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\system32\timeout.exe
timeout 4
3⤵
- Delays execution with timeout.exe
PID:2028

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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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/1324-54-0x00000000011D0000-0x0000000001354000-memory.dmp

Filesize
1.5MB

Download
memory/1324-55-0x0000000000A90000-0x0000000000B06000-memory.dmp

Filesize
472KB

Download
memory/1324-56-0x000007FEFC461000-0x000007FEFC463000-memory.dmp

Filesize
8KB

Download
memory/1568-57-0x0000000000000000-mapping.dmp

Download
memory/1568-62-0x00000000048C0000-0x000000000495C000-memory.dmp

Filesize
624KB

Download
memory/1568-63-0x00000000023C0000-0x000000000245A000-memory.dmp

Filesize
616KB

Download
memory/1568-64-0x0000000076011000-0x0000000076013000-memory.dmp

Filesize
8KB

Download
memory/1568-65-0x0000000004ED0000-0x0000000004F46000-memory.dmp

Filesize
472KB

Download
memory/1608-59-0x0000000000000000-mapping.dmp

Download
memory/2028-61-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads