e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3

Analysis

max time kernel
147s
max time network
155s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 09:11

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General

Target

e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe
Size

1.4MB
MD5

1cdc749e0bd40c2a88764c9fb48ff139
SHA1

bb8acd2344835f268f03feb61c3ea29f450b62de
SHA256

e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3
SHA512

a60f108da6f58011f7d834b642c2693bab0e883cc62b333f503be8da42f185adff17f675bcaca244c0a73d4a59f85c09fa1e9e2a82090270865f28a20a090c15
SSDEEP

24576:NYiferyv9u48tTMDjPL+3wk4qr8IAqbb66OvlsAgC:7foM9u4cyjCbPIfTlAC

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1316-60-0x0000000000400000-0x000000000063E000-memory.dmp	upx
behavioral1/memory/1316-62-0x0000000000400000-0x000000000063E000-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:

e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe"	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.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:

e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe

pid process

1316 e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe

pid	process
1316	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exee4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe

pid	process
1760	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe
1316	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe

description	pid	process	target process
PID 1760 wrote to memory of 1316	1760	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe
PID 1760 wrote to memory of 1316	1760	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe
PID 1760 wrote to memory of 1316	1760	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe
PID 1760 wrote to memory of 1316	1760	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe	e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe

C:\Users\Admin\AppData\Local\Temp\e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe
"C:\Users\Admin\AppData\Local\Temp\e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1760

C:\Users\Admin\AppData\Local\Temp\e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe
"C:\Users\Admin\AppData\Local\Temp\e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: GetForegroundWindowSpam
PID:1316

Network

MITRE ATT&CK Matrix ATT&CK 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

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1316-56-0x0000000000000000-mapping.dmp

Download
memory/1316-58-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1316-60-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1316-62-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1760-54-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1760-55-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download
memory/1760-57-0x0000000001FE0000-0x000000000221E000-memory.dmp

Filesize
2.2MB

Download
memory/1760-61-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download