bbb64ca7e31759e14b14441ceee0d28cdb6b37253232b3d6618a38baad58f462

Analysis

max time kernel
116s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 13:10

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General

Target

99814997765def04f2bedb65f9624238.exe
Size

49KB
MD5

99814997765def04f2bedb65f9624238
SHA1

d46420f18738dfdd3ed8687859ebaa21e0d45a60
SHA256

bbb64ca7e31759e14b14441ceee0d28cdb6b37253232b3d6618a38baad58f462
SHA512

ba3bc2bed5899eb4e677fd0b9fd818266e00ea97fe7abef8600f5646e57b7ab26ec75203ce02233929c65534d51d89093f964a5f1f0b1c03d22173ca2d990f85
SSDEEP

768:oWcGhyohheD5a/T7w3qKTaOyX1JkWl5LrOSgDOoxAxoSMzc4RebdLwaNut:oWcsAta/IW9XDkWGS8OolzuhVNu

Score

10^/10

evasion spyware stealer upx

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\99814997765def04f2bedb65f9624238.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\99814997765def04f2bedb65f9624238.exe:*:Enabled:ldrsoft"	99814997765def04f2bedb65f9624238.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	99814997765def04f2bedb65f9624238.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	99814997765def04f2bedb65f9624238.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	99814997765def04f2bedb65f9624238.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	99814997765def04f2bedb65f9624238.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
T1552.001

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3208-0-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/3208-1-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/3208-3-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/3208-4-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/3208-7-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/3208-10-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/3208-12-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/3208-14-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/3208-16-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/3208-19-0x0000000000400000-0x000000000145B000-memory.dmp	upx

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 760	3208	99814997765def04f2bedb65f9624238.exe	92
PID 3208 wrote to memory of 760	3208	99814997765def04f2bedb65f9624238.exe	92
PID 3208 wrote to memory of 760	3208	99814997765def04f2bedb65f9624238.exe	92

C:\Users\Admin\AppData\Local\Temp\99814997765def04f2bedb65f9624238.exe
"C:\Users\Admin\AppData\Local\Temp\99814997765def04f2bedb65f9624238.exe"
1⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\998149~1.EXE00.bat
  2⤵
  PID:760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\998149~1.EXE00.bat

Filesize
192B

MD5
e1125d10c5ff0212222e35c3e935d602

SHA1
53f19b2631c5d466e141d8f4f94b24c36473985d

SHA256
6f5b2c9c71e965046eb32bf6a3b08acd8a5edad47cb595243a50ab55fb7cb4ff

SHA512
994ed79bf81b36febab9904e921ac035f18480aa5715ede30176e9e47a2c2a934753627980a898b5b1b852c9bf206b6aadd9330bc6c15e6e72278f5af05c01bc

Download Submit
memory/3208-0-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/3208-1-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/3208-3-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/3208-4-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/3208-7-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/3208-10-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/3208-12-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/3208-14-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/3208-16-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/3208-19-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads