60e2b03d2f3e6926f234a0c6fd6f78b5e4e10e3e6b0f944f6bd559d45caeff66

Analysis

max time kernel
102s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23-07-2024 21:30

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General

Target

0e74877c7e4e2c4a63f023d69f5b2470N.exe
Size

64KB
MD5

0e74877c7e4e2c4a63f023d69f5b2470
SHA1

d670bca225cb6f90feb656818f3352f72d8d6ee2
SHA256

60e2b03d2f3e6926f234a0c6fd6f78b5e4e10e3e6b0f944f6bd559d45caeff66
SHA512

80b02d660feb263fec10757aa0bcfc1fe742f0d55ee9348871a803c3e8887375be5063762f33cff63bf4ce4b7644d0306385a43c1da8880d9cc5cf8fc8b150c4
SSDEEP

768:ErzQlWtRpeyHCEG9UTajpPk0Qkgsfd+9GkOYQ62hUpCRif3Zjjw2LabyHHYkMIT:E4lWt7e4CXLRyGhUkRiflU2ayDZ

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3948	rmass.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3948-4-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/files/0x00090000000233f5-3.dat	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\rmass.exe	0e74877c7e4e2c4a63f023d69f5b2470N.exe
File created	C:\Windows\SysWOW64\rmass.exe	0e74877c7e4e2c4a63f023d69f5b2470N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0e74877c7e4e2c4a63f023d69f5b2470N.exe

C:\Users\Admin\AppData\Local\Temp\0e74877c7e4e2c4a63f023d69f5b2470N.exe
"C:\Users\Admin\AppData\Local\Temp\0e74877c7e4e2c4a63f023d69f5b2470N.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2184
- C:\Windows\SysWOW64\rmass.exe
  "C:\Windows\SysWOW64\rmass.exe"
  2⤵
  - Executes dropped EXE
  PID:3948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rmass.exe

Filesize
61KB

MD5
cf77a9824bd897e38042b63aee1e4538

SHA1
c58934808824ee40c3acbae18a3858447211bf2e

SHA256
464ab0c334868f475881a7cca2ef44f932b7883234546728eab5c41e62b50c83

SHA512
e10b1e31bb9f76b3d3447586d547956eb0c9b72f136d209988342f219e93ef93706961338f421d26ff8e2f9ecf61a81117cfd891b39905875d0de478a7a45f42

Download Submit
memory/2184-0-0x00000000776A2000-0x00000000776A3000-memory.dmp

Filesize
4KB

Download
memory/2184-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3948-4-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download