f67f239010aabb32ecb3fc0e578b1faf105072feee6e352f0b385e8d405038de

Resubmissions

11/08/2024, 15:05

240811-sgd6xsvcjl 8

11/08/2024, 15:01

240811-sd1kravbkm 8

Analysis

max time kernel
142s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 15:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

HorrorRNGInst.exe
Size

89KB
MD5

958be1157871fd8c546e4992cf55713b
SHA1

dcc2fc1dc846cfa87ec29e8fe5c92603e4a895aa
SHA256

f67f239010aabb32ecb3fc0e578b1faf105072feee6e352f0b385e8d405038de
SHA512

d046a68472108430ee5c8f69d5ed9c3474d2f09881f3c8f344b551b3899c44bbf63d6632783354f9370e4dbefb81a597fcd1fb9baf7c1d2487bbfdea132aaba6
SSDEEP

1536:H7fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIfCw6Op:b7DhdC6kzWypvaQ0FxyNTBfCa

Score

8^/10

discovery execution

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
29	3812	powershell.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
28	api.ipgeolocation.io
29	api.ipgeolocation.io

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3812	powershell.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	HorrorRNGInst.exe

Delays execution with timeout.exe 4 IoCs

evasion

pid	Process
4296	timeout.exe
4736	timeout.exe
3188	timeout.exe
4968	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3812	powershell.exe
3812	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3812	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2448	2384	HorrorRNGInst.exe	85
PID 2384 wrote to memory of 2448	2384	HorrorRNGInst.exe	85
PID 2448 wrote to memory of 3188	2448	cmd.exe	86
PID 2448 wrote to memory of 3188	2448	cmd.exe	86
PID 2448 wrote to memory of 4968	2448	cmd.exe	90
PID 2448 wrote to memory of 4968	2448	cmd.exe	90
PID 2448 wrote to memory of 4296	2448	cmd.exe	98
PID 2448 wrote to memory of 4296	2448	cmd.exe	98
PID 2448 wrote to memory of 3812	2448	cmd.exe	99
PID 2448 wrote to memory of 3812	2448	cmd.exe	99
PID 2448 wrote to memory of 4736	2448	cmd.exe	100
PID 2448 wrote to memory of 4736	2448	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\HorrorRNGInst.exe
"C:\Users\Admin\AppData\Local\Temp\HorrorRNGInst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\system32\cmd.exe
  "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\99CF.tmp\99D0.tmp\99D1.bat C:\Users\Admin\AppData\Local\Temp\HorrorRNGInst.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2448
- - C:\Windows\system32\timeout.exe
    timeout /t 1 /nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:3188
- - C:\Windows\system32\timeout.exe
    timeout /t 1 /nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:4968
- - C:\Windows\system32\timeout.exe
    timeout /t 1 /nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:4296
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "Invoke-RestMethod -Uri 'https://api.ipgeolocation.io/ipgeo?apiKey=c6eb3eeb4cbd47a1b3394c2f842b8a1a' | Out-File -FilePath 'ip_info.txt'"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3812
- - C:\Windows\system32\timeout.exe
    timeout /t 1 /nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:4736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\99CF.tmp\99D0.tmp\99D1.bat

Filesize
748B

MD5
aa21ff611de58cd776878ae721f9dba6

SHA1
e4d3e10fb81f2878c882bdec5ddfb0b2944670e8

SHA256
de947581c04fd3bb85d040e80f100114b0e3456f4f0024f097185e12343ff576

SHA512
5aff17cdecbaa2d12aacc14e712f75df5855620bf73a7accb523179118e978b5c7ba45d07d52f4ff6e4444371541f29be1fc0c2f8b67ce3a6dfeaef3380797eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yl3arrti.e0s.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3812-2-0x00007FFDADB73000-0x00007FFDADB75000-memory.dmp

Filesize
8KB

Download
memory/3812-8-0x000001F7C1540000-0x000001F7C1562000-memory.dmp

Filesize
136KB

Download
memory/3812-13-0x00007FFDADB70000-0x00007FFDAE631000-memory.dmp

Filesize
10.8MB

Download
memory/3812-14-0x00007FFDADB70000-0x00007FFDAE631000-memory.dmp

Filesize
10.8MB

Download
memory/3812-15-0x000001F7C1740000-0x000001F7C1902000-memory.dmp

Filesize
1.8MB

Download
memory/3812-16-0x000001F7C1E40000-0x000001F7C2368000-memory.dmp

Filesize
5.2MB

Download
memory/3812-20-0x00007FFDADB70000-0x00007FFDAE631000-memory.dmp

Filesize
10.8MB

Download