adae8ebf8a54d9a5c7678809bcef992b0b7ce2fad69d8f76fac3f1d2a204b621

Analysis

max time kernel
102s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-08-2024 09:43

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General

Target

c223742ec9675d4174a46616bd8fcb10N.exe
Size

65KB
MD5

c223742ec9675d4174a46616bd8fcb10
SHA1

83a4c9c603831ef1cf6fb08e99fae8d1a983fd6d
SHA256

adae8ebf8a54d9a5c7678809bcef992b0b7ce2fad69d8f76fac3f1d2a204b621
SHA512

63917b01c8750bcebc10daf123f7b0b20685ed80dfde4c857ca9958c8107bf76a23013716f57f1c0c157498d8e3f0cc2394150797e1fc93647b72e76713a14b3
SSDEEP

768:ErzL2iP0n1gMLsq2DwXfisMeNgBMi3Hm/9FLxLQdKhrsTdz4/qXxfF8F/sWgyg:EPMLZXfXfG5m/9RxL+ish4iXxv

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2660	rmass.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2660-4-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/files/0x00090000000233af-3.dat	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\rmass.exe	c223742ec9675d4174a46616bd8fcb10N.exe
File created	C:\Windows\SysWOW64\rmass.exe	c223742ec9675d4174a46616bd8fcb10N.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	c223742ec9675d4174a46616bd8fcb10N.exe

C:\Users\Admin\AppData\Local\Temp\c223742ec9675d4174a46616bd8fcb10N.exe
"C:\Users\Admin\AppData\Local\Temp\c223742ec9675d4174a46616bd8fcb10N.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:1408
- C:\Windows\SysWOW64\rmass.exe
  "C:\Windows\SysWOW64\rmass.exe"
  2⤵
  - Executes dropped EXE
  PID:2660

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
62KB

MD5
fb6762ef73671ae00c22eb2e0a3eac20

SHA1
851665977cecca8bfa00f8089c2a7a72a1b30af6

SHA256
9a4829214f523e107108ca496af4eeb66b123f87d25b87e3c288ba140807d74d

SHA512
b3f9929e3e6f3a988deab938d8ae6942f7ff70cc89be53221b73464a5f5fc67b901cad96840aaaa058764550746030ba9d015570b21234cfeaa49b0e038cf7f5

Download Submit
memory/1408-0-0x0000000077282000-0x0000000077283000-memory.dmp

Filesize
4KB

Download
memory/1408-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2660-4-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download