0e6fc77a72dd0b4c8f8fe7607c92eac7cf5b0d607c9904e09d9fb1b2128a2e51

Analysis

max time kernel
140s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2024 08:01

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General

Target

start-main/Session.exe
Size

1.5MB
MD5

a8578b1ff74aa8506b592af6e80dd7bc
SHA1

6d28f1e3f26a9417eca24735ef4cc5319c71a6ee
SHA256

d4bdf4588069d6c2ff81830097755f1202c643c9da2298525e845bb7d615a15e
SHA512

972443fede85c401f84509644930cb26aea926a00911bb283227cf2ab758d3e3584800471c86a39a2fd738ac9b45afd195b2e3a98d9240383c5aad3a88fb74df
SSDEEP

768:hnlqO2/uz1/egx2LeGaja2fr9644XtH2:hEZGz1/Caja2fr9644s

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exe

pid	Process
2540	powershell.exe
3208	powershell.exe

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

Web Service

T1102

Processes:

flow	ioc
29	raw.githubusercontent.com

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4968	2380	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

Session.exepowershell.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Session.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid	Process
2540	powershell.exe
2540	powershell.exe
3208	powershell.exe
3208	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Session.exepowershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2380	Session.exe
Token: SeDebugPrivilege	2540	powershell.exe
Token: SeDebugPrivilege	3208	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Session.exepowershell.exe

description	pid	Process	procid_target
PID 2380 wrote to memory of 2540	2380	Session.exe	90
PID 2380 wrote to memory of 2540	2380	Session.exe	90
PID 2380 wrote to memory of 2540	2380	Session.exe	90
PID 2540 wrote to memory of 3208	2540	powershell.exe	94
PID 2540 wrote to memory of 3208	2540	powershell.exe	94
PID 2540 wrote to memory of 3208	2540	powershell.exe	94

C:\Users\Admin\AppData\Local\Temp\start-main\Session.exe
"C:\Users\Admin\AppData\Local\Temp\start-main\Session.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\Lipras'; Add-MpPreference -ExclusionPath 'C:\Users'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Lipras
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3208
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 1840
  2⤵
  - Program crash
  PID:4968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2380 -ip 2380
1⤵
PID:3388

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
5KB

MD5
62aa66939f6dfbf7c23d51b4339f6ef7

SHA1
b087aebe7b8d5ce1f8dcc713dc66fc67de2cab4b

SHA256
8cb9c89fd10b0501525a76a78f02daddae21751a6d6e16e2615271a45357fcb5

SHA512
b127056eb2b992b6fbfd98a834763cd929a9a7b0ac1514578a30af112aa2f9b6c4954e4f0ebc99162a0454d32e6619023d9af8eaf637d991723b4ae54d46fd60

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cgph3x0w.o32.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2380-81-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2380-1-0x0000000000730000-0x000000000073C000-memory.dmp

Filesize
48KB

Download
memory/2380-2-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2380-0-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/2380-36-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2380-24-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/2540-6-0x0000000005600000-0x0000000005C28000-memory.dmp

Filesize
6.2MB

Download
memory/2540-7-0x00000000054A0000-0x00000000054C2000-memory.dmp

Filesize
136KB

Download
memory/2540-8-0x0000000005550000-0x00000000055B6000-memory.dmp

Filesize
408KB

Download
memory/2540-16-0x0000000005D20000-0x0000000006074000-memory.dmp

Filesize
3.3MB

Download
memory/2540-21-0x0000000006370000-0x000000000638E000-memory.dmp

Filesize
120KB

Download
memory/2540-22-0x0000000006390000-0x00000000063DC000-memory.dmp

Filesize
304KB

Download
memory/2540-9-0x0000000005C30000-0x0000000005C96000-memory.dmp

Filesize
408KB

Download
memory/2540-10-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2540-80-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2540-65-0x0000000071010000-0x000000007105C000-memory.dmp

Filesize
304KB

Download
memory/2540-5-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2540-4-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2540-76-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2540-3-0x0000000002AA0000-0x0000000002AD6000-memory.dmp

Filesize
216KB

Download
memory/2540-50-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2540-75-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3208-49-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3208-52-0x0000000006B50000-0x0000000006BF3000-memory.dmp

Filesize
652KB

Download
memory/3208-53-0x00000000074F0000-0x0000000007B6A000-memory.dmp

Filesize
6.5MB

Download
memory/3208-54-0x0000000004920000-0x000000000493A000-memory.dmp

Filesize
104KB

Download
memory/3208-55-0x0000000006F40000-0x0000000006F4A000-memory.dmp

Filesize
40KB

Download
memory/3208-56-0x0000000007140000-0x00000000071D6000-memory.dmp

Filesize
600KB

Download
memory/3208-57-0x00000000070C0000-0x00000000070D1000-memory.dmp

Filesize
68KB

Download
memory/3208-58-0x00000000070F0000-0x00000000070FE000-memory.dmp

Filesize
56KB

Download
memory/3208-59-0x0000000007100000-0x0000000007114000-memory.dmp

Filesize
80KB

Download
memory/3208-60-0x0000000007200000-0x000000000721A000-memory.dmp

Filesize
104KB

Download
memory/3208-61-0x00000000071E0000-0x00000000071E8000-memory.dmp

Filesize
32KB

Download
memory/3208-64-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3208-51-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3208-48-0x0000000006130000-0x000000000614E000-memory.dmp

Filesize
120KB

Download
memory/3208-37-0x0000000006150000-0x0000000006182000-memory.dmp

Filesize
200KB

Download
memory/3208-38-0x0000000071010000-0x000000007105C000-memory.dmp

Filesize
304KB

Download
memory/3208-26-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3208-25-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3208-23-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download