4e5eecfa5d74032e0e84be4735741c3c1487419de546904b1812bbbcdbe40d3d

General

Target

MainDab.exe
Size

3.4MB
MD5

61c8fbae47137392a395793c6389a7c3
SHA1

a5830825fdf83ebc0c3c71efa08f930ef28c1bac
SHA256

4e5eecfa5d74032e0e84be4735741c3c1487419de546904b1812bbbcdbe40d3d
SHA512

62205d56d2b8672663a903273f1e11af1e4d8c53a8511247d23d7669de7724a7a5e1d12a182f48e829608ed333f395f185a82758e1ddafb5b9a695b86a7c13e1
SSDEEP

49152:TbOtb7mvXnLg3yLA4rWpDoRvbLuzs2J3Y2pDSmalRS88cnR5MtAxToDF0BtSLR:WlsXnLmyLA1QvYs2Jo2oLAWoB0BK

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
41	4360	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Powershell Invoke Web Request.

execution

PowerShell

T1059.001

pid	Process
4360	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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	MainDab.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
20	raw.githubusercontent.com
21	raw.githubusercontent.com

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4360	powershell.exe
4360	powershell.exe
3040	MainDab.exe
3040	MainDab.exe
4360	powershell.exe
3040	MainDab.exe
3040	MainDab.exe
3040	MainDab.exe
3040	MainDab.exe
3040	MainDab.exe
3040	MainDab.exe
3040	MainDab.exe
3040	MainDab.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	MainDab.exe
Token: SeDebugPrivilege	4360	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3040	MainDab.exe
3040	MainDab.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 1656	3040	MainDab.exe	93
PID 3040 wrote to memory of 1656	3040	MainDab.exe	93
PID 3040 wrote to memory of 1656	3040	MainDab.exe	93
PID 1656 wrote to memory of 4360	1656	cmd.exe	95
PID 1656 wrote to memory of 4360	1656	cmd.exe	95
PID 1656 wrote to memory of 4360	1656	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\MainDab.exe
"C:\Users\Admin\AppData\Local\Temp\MainDab.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C powershell -c Invoke-WebRequest -Uri 'https://k-storage.com/bootstrapper/files/krnl.dll' -OutFile 'C:\Users\Admin\AppData\Local\Temp\krnl.dll'
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1656
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -c Invoke-WebRequest -Uri 'https://k-storage.com/bootstrapper/files/krnl.dll' -OutFile 'C:\Users\Admin\AppData\Local\Temp\krnl.dll'
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4360

C:\Windows\SysWOW64\werfault.exe
werfault.exe /h /shared Global\4b89c369de7d4f81b79fda80f664f86f /t 4176 /p 3040
1⤵
PID:2472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2qkcrip1.rxd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3040-18-0x000000000C430000-0x000000000C44E000-memory.dmp

Filesize
120KB

Download
memory/3040-1-0x0000000000EC0000-0x0000000001236000-memory.dmp

Filesize
3.5MB

Download
memory/3040-3-0x0000000005C50000-0x0000000005C58000-memory.dmp

Filesize
32KB

Download
memory/3040-4-0x0000000005D90000-0x0000000005E2E000-memory.dmp

Filesize
632KB

Download
memory/3040-5-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/3040-6-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/3040-7-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/3040-9-0x0000000007AC0000-0x0000000007B6A000-memory.dmp

Filesize
680KB

Download
memory/3040-10-0x0000000007BE0000-0x0000000007C02000-memory.dmp

Filesize
136KB

Download
memory/3040-11-0x0000000006E30000-0x0000000006E38000-memory.dmp

Filesize
32KB

Download
memory/3040-12-0x0000000006E80000-0x0000000006EB8000-memory.dmp

Filesize
224KB

Download
memory/3040-13-0x0000000006E50000-0x0000000006E5E000-memory.dmp

Filesize
56KB

Download
memory/3040-48-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/3040-17-0x000000000C470000-0x000000000C4E6000-memory.dmp

Filesize
472KB

Download
memory/3040-47-0x000000007512E000-0x000000007512F000-memory.dmp

Filesize
4KB

Download
memory/3040-0-0x000000007512E000-0x000000007512F000-memory.dmp

Filesize
4KB

Download
memory/3040-40-0x000000000F760000-0x000000000F7B0000-memory.dmp

Filesize
320KB

Download
memory/3040-2-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/3040-19-0x000000000C7C0000-0x000000000C7DA000-memory.dmp

Filesize
104KB

Download
memory/4360-29-0x0000000005570000-0x00000000055D6000-memory.dmp

Filesize
408KB

Download
memory/4360-39-0x00000000055E0000-0x0000000005934000-memory.dmp

Filesize
3.3MB

Download
memory/4360-24-0x0000000004DD0000-0x00000000053F8000-memory.dmp

Filesize
6.2MB

Download
memory/4360-41-0x0000000005BD0000-0x0000000005BEE000-memory.dmp

Filesize
120KB

Download
memory/4360-42-0x0000000005C00000-0x0000000005C4C000-memory.dmp

Filesize
304KB

Download
memory/4360-43-0x0000000007250000-0x00000000078CA000-memory.dmp

Filesize
6.5MB

Download
memory/4360-23-0x0000000002610000-0x0000000002646000-memory.dmp

Filesize
216KB

Download
memory/4360-28-0x0000000005400000-0x0000000005466000-memory.dmp

Filesize
408KB

Download
memory/4360-44-0x00000000060E0000-0x00000000060FA000-memory.dmp

Filesize
104KB

Download

Analysis

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