1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf

General

Target

1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe
Size

206KB
MD5

065f01d667c9b060b0b5d0531b970456
SHA1

08e38e9807c1ca85d003bb473faf1bb9269f6476
SHA256

1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf
SHA512

e7b0b4c184680c4e6425c0fd2b696abd5e79fe75b45ba99205346fb2a747b38c830e44caaf055607738859509f010747bab827112059b00eb2a98a98742dbf01
SSDEEP

3072:n3Jwz+5cR8vR6uhhtwdyHYLVFeJT28RibptaPvNefUf8yl896l3QJLqxOYr:n3JwQcR8ZdurFucptalV8yM23QdlY

Score

8^/10

persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/760-135-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/760-137-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/760-138-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/760-140-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/760-141-0x0000000000400000-0x000000000046C000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SMAV = "\"C:\\200b5b4\\SecurityMasterAV.exe\" /s"	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\SMAV = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe /cs:1 "	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1063

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Eset\Nod\	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5052 set thread context of 760	5052	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe	82

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
5072	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5072	taskkill.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5052	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 760	5052	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe	82
PID 5052 wrote to memory of 760	5052	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe	82
PID 5052 wrote to memory of 760	5052	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe	82
PID 5052 wrote to memory of 760	5052	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe	82
PID 5052 wrote to memory of 760	5052	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe	82
PID 5052 wrote to memory of 760	5052	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe	82
PID 5052 wrote to memory of 760	5052	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe	82
PID 5052 wrote to memory of 760	5052	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe	82
PID 760 wrote to memory of 5072	760	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe	83
PID 760 wrote to memory of 5072	760	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe	83
PID 760 wrote to memory of 5072	760	1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe	83

C:\Users\Admin\AppData\Local\Temp\1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe
"C:\Users\Admin\AppData\Local\Temp\1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Users\Admin\AppData\Local\Temp\1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe
  C:\Users\Admin\AppData\Local\Temp\1219a45925b3f433e04141b3d046cc542a80ca95874bc823a5bebbf7e756f9bf.exe
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Checks for any installed AV software in registry
  - Suspicious use of WriteProcessMemory
  PID:760
- - C:\Windows\SysWOW64\taskkill.exe
    "C:\Windows\System32\taskkill.exe" /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:5072

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Security Software Discovery

1

T1063

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/760-135-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/760-137-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/760-138-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/760-140-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/760-141-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download

Analysis

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