ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638

General

Target

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
Size

1.4MB
MD5

51f0026646ed8028e88f6b972c6cf8ad
SHA1

a4bcd282455bf0dc4aca3b68d7296b7b1375ec15
SHA256

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638
SHA512

a67087ee9ac844175c68f32d11709f32bd6258c641c7a8b88b3dcf64823bf208b2eca1a6eb7ebfd6dfa718ed074a3eb9d96b10e5c8a8ec2639453ac6e7336afc
SSDEEP

12288:+nbZvgTLIlRpBn43SNlj3pnd3kraSbeQFLsZIs9EO0yafGfGtA5boSEhMm:+BuLIH/RNV5niWSbe6sicVaGYiboSwMm

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2204-137-0x0000000000400000-0x000000000063E000-memory.dmp	upx

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe"	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

pid process

2204 ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

pid	process
2204	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DefaultCompressedRecord = c880f97f7337e09c0ab57097d07c7e8b0471cde79762ef86fcce57f4d00335033176c8cfdc06b49059e4ac406726e424a23b3f7851e7cb89970a1983fdabc66b12fd6f1334f7daef6102a028eb662d74d686bea3ac677f7134980e2aba4e24e7f39f14cafe181d	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RecordModifiedMax = "DHOOx34G0UuBykymDR+yuFcG73npHaBx4AtjKWB8SuZy0UpEfmMuR5inmxuxLcGLGw=="	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FlagsModifiedValid = 0000000000000000	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exeef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

pid	process
1612	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
2204	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

description	pid	process	target process
PID 1612 wrote to memory of 2204	1612	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
PID 1612 wrote to memory of 2204	1612	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
PID 1612 wrote to memory of 2204	1612	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

C:\Users\Admin\AppData\Local\Temp\ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
"C:\Users\Admin\AppData\Local\Temp\ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1612

C:\Users\Admin\AppData\Local\Temp\ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
"C:\Users\Admin\AppData\Local\Temp\ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
PID:2204

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/1612-132-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1612-136-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/2204-133-0x0000000000000000-mapping.dmp

Download
memory/2204-134-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/2204-135-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/2204-137-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads