5fd9a8605221ee520a11865a5b07c9b37c894acb8e38a2965fb3f31d02bdeedc

Target

2020_21_S2_A2.exe
Size

75KB
MD5

603638e373770eab32b41fac447754e8
SHA1

fcec650c8784dfeb08e868c08be347f9d4d9a53b
SHA256

5fd9a8605221ee520a11865a5b07c9b37c894acb8e38a2965fb3f31d02bdeedc
SHA512

d83d7062aedb4eb77642aa91fb20c7159e403b87ea6de9c2487bec3739f2eac1dc86d40debca66cb9d93a71d43cd0869c2efbe7cf28deae9634add6387d3234b

Score

8^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

UWLGOLWN.exe

pid process

884 UWLGOLWN.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

pid	process
884	UWLGOLWN.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

UWLGOLWN.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Update = "C:\\UWLGOLWN.exe"	UWLGOLWN.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2020_21_S2_A2.exe

description	pid	process	target process
PID 892 wrote to memory of 884	892	2020_21_S2_A2.exe	UWLGOLWN.exe
PID 892 wrote to memory of 884	892	2020_21_S2_A2.exe	UWLGOLWN.exe
PID 892 wrote to memory of 884	892	2020_21_S2_A2.exe	UWLGOLWN.exe
PID 892 wrote to memory of 884	892	2020_21_S2_A2.exe	UWLGOLWN.exe

C:\Users\Admin\AppData\Local\Temp\2020_21_S2_A2.exe
"C:\Users\Admin\AppData\Local\Temp\2020_21_S2_A2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:892

C:\UWLGOLWN.exe
"C:\UWLGOLWN.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:884

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

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:\UWLGOLWN.exe

MD5
603638e373770eab32b41fac447754e8

SHA1
fcec650c8784dfeb08e868c08be347f9d4d9a53b

SHA256
5fd9a8605221ee520a11865a5b07c9b37c894acb8e38a2965fb3f31d02bdeedc

SHA512
d83d7062aedb4eb77642aa91fb20c7159e403b87ea6de9c2487bec3739f2eac1dc86d40debca66cb9d93a71d43cd0869c2efbe7cf28deae9634add6387d3234b

Download Submit
memory/524-6-0x000007FEF7570000-0x000007FEF77EA000-memory.dmp

Filesize
2.5MB

Download
memory/884-3-0x0000000000000000-mapping.dmp

Download
memory/892-2-0x0000000074D91000-0x0000000074D93000-memory.dmp

Filesize
8KB

Download