9a15bd4f82adcc32d13fb16af0bd33c4d3d028895c93f4ec2cc995d9ad5f2d01

Analysis

max time kernel
94s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-09-2024 14:13

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General

Target

PO#720.exe
Size

914KB
MD5

57c246dd2b2221edbfd54ff9246a0099
SHA1

3e4dc6e19407ff041b25629082a90382be7b957f
SHA256

6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96
SHA512

5a49e14dfaa8b6f53bc9e5da299f43d199389ded897c9a23ec6615c396bc83e6589787f0704fa097c395296d643fd0b6b3e83dbdddad385d2ee5af5825cea9e2
SSDEEP

24576:+Eb5NCjPBS2nv0frerFWM+u848EUjooYgyUKHdw:N5N+5S2nv0fKxIuRUjoSK

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

pid	Process
2764	powershell.exe
4436	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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	PO#720.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO#720.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1488	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
2764	powershell.exe
4436	powershell.exe
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
3556	PO#720.exe
2764	powershell.exe
4436	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3556	PO#720.exe
Token: SeDebugPrivilege	2764	powershell.exe
Token: SeDebugPrivilege	4436	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 2764	3556	PO#720.exe	93
PID 3556 wrote to memory of 2764	3556	PO#720.exe	93
PID 3556 wrote to memory of 2764	3556	PO#720.exe	93
PID 3556 wrote to memory of 4436	3556	PO#720.exe	95
PID 3556 wrote to memory of 4436	3556	PO#720.exe	95
PID 3556 wrote to memory of 4436	3556	PO#720.exe	95
PID 3556 wrote to memory of 1488	3556	PO#720.exe	97
PID 3556 wrote to memory of 1488	3556	PO#720.exe	97
PID 3556 wrote to memory of 1488	3556	PO#720.exe	97
PID 3556 wrote to memory of 2768	3556	PO#720.exe	99
PID 3556 wrote to memory of 2768	3556	PO#720.exe	99
PID 3556 wrote to memory of 2768	3556	PO#720.exe	99
PID 3556 wrote to memory of 796	3556	PO#720.exe	100
PID 3556 wrote to memory of 796	3556	PO#720.exe	100
PID 3556 wrote to memory of 796	3556	PO#720.exe	100
PID 3556 wrote to memory of 2996	3556	PO#720.exe	101
PID 3556 wrote to memory of 2996	3556	PO#720.exe	101
PID 3556 wrote to memory of 2996	3556	PO#720.exe	101
PID 3556 wrote to memory of 2792	3556	PO#720.exe	102
PID 3556 wrote to memory of 2792	3556	PO#720.exe	102
PID 3556 wrote to memory of 2792	3556	PO#720.exe	102
PID 3556 wrote to memory of 1452	3556	PO#720.exe	103
PID 3556 wrote to memory of 1452	3556	PO#720.exe	103
PID 3556 wrote to memory of 1452	3556	PO#720.exe	103

C:\Users\Admin\AppData\Local\Temp\PO#720.exe
"C:\Users\Admin\AppData\Local\Temp\PO#720.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO#720.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2764
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VdrrjnwYc.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4436
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VdrrjnwYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF73.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1488
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2768
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:796
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2996
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2792
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:1452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Scripting

T1064

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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:\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
18KB

MD5
9a14a3ec1ffab0c00add44cf61489f84

SHA1
0fe8d4dab546df51b5c588b42d30f619dbe0ca83

SHA256
afce9ac730359ccfa353efa42b57f877edd4d97c50c8bbaca4d1a14d309d5579

SHA512
6ba274b27e9af0a49d36d5f939e1609fc917ba92b2ae6da0f121e1629bec089da5c45042dc4bd335a4de89098720883844090ed27e5b77eabb3d9f8eb7d073c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bvf1iicn.t2f.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDF73.tmp

Filesize
1KB

MD5
b8ff8009e90ff708ca713f04ca28a123

SHA1
2d7dec2f36a8e76c79fcb8fe649505b405eec59d

SHA256
eb3de180b50c165c7911db77af3c58fd2f023315b821a92d9af84ef5b26cb601

SHA512
2179d2ea23d0db4fe603d2df431ce500f572815688a9bb7df0bf05e03e3bac2e3bc653475050a831d37af57d6f2891d480671e56f49c042dd2df14d70ca1f501

Download Submit
memory/2764-15-0x00000000022C0000-0x00000000022F6000-memory.dmp

Filesize
216KB

Download
memory/2764-75-0x0000000006FA0000-0x0000000006FAA000-memory.dmp

Filesize
40KB

Download
memory/2764-49-0x0000000005CD0000-0x0000000005D1C000-memory.dmp

Filesize
304KB

Download
memory/2764-88-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/2764-81-0x0000000007250000-0x0000000007258000-memory.dmp

Filesize
32KB

Download
memory/2764-80-0x0000000007270000-0x000000000728A000-memory.dmp

Filesize
104KB

Download
memory/2764-78-0x0000000007160000-0x000000000716E000-memory.dmp

Filesize
56KB

Download
memory/2764-47-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

Filesize
120KB

Download
memory/2764-17-0x0000000004E90000-0x00000000054B8000-memory.dmp

Filesize
6.2MB

Download
memory/2764-16-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/2764-18-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/2764-51-0x0000000070070000-0x00000000700BC000-memory.dmp

Filesize
304KB

Download
memory/2764-22-0x0000000004C30000-0x0000000004C52000-memory.dmp

Filesize
136KB

Download
memory/2764-74-0x0000000006F30000-0x0000000006F4A000-memory.dmp

Filesize
104KB

Download
memory/2764-24-0x0000000004D40000-0x0000000004DA6000-memory.dmp

Filesize
408KB

Download
memory/2764-25-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/2764-23-0x0000000004CD0000-0x0000000004D36000-memory.dmp

Filesize
408KB

Download
memory/2764-36-0x00000000055E0000-0x0000000005934000-memory.dmp

Filesize
3.3MB

Download
memory/2764-73-0x0000000007570000-0x0000000007BEA000-memory.dmp

Filesize
6.5MB

Download
memory/2764-72-0x0000000006E10000-0x0000000006EB3000-memory.dmp

Filesize
652KB

Download
memory/2764-71-0x00000000061E0000-0x00000000061FE000-memory.dmp

Filesize
120KB

Download
memory/2764-50-0x0000000006BD0000-0x0000000006C02000-memory.dmp

Filesize
200KB

Download
memory/3556-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/3556-10-0x0000000008DD0000-0x0000000008E6C000-memory.dmp

Filesize
624KB

Download
memory/3556-6-0x00000000055D0000-0x00000000055E8000-memory.dmp

Filesize
96KB

Download
memory/3556-4-0x0000000005330000-0x000000000533A000-memory.dmp

Filesize
40KB

Download
memory/3556-7-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/3556-5-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3556-1-0x0000000000840000-0x000000000092A000-memory.dmp

Filesize
936KB

Download
memory/3556-3-0x0000000005390000-0x0000000005422000-memory.dmp

Filesize
584KB

Download
memory/3556-2-0x00000000058A0000-0x0000000005E44000-memory.dmp

Filesize
5.6MB

Download
memory/3556-48-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3556-8-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3556-9-0x0000000006580000-0x0000000006640000-memory.dmp

Filesize
768KB

Download
memory/4436-19-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4436-79-0x00000000077F0000-0x0000000007804000-memory.dmp

Filesize
80KB

Download
memory/4436-77-0x00000000077B0000-0x00000000077C1000-memory.dmp

Filesize
68KB

Download
memory/4436-76-0x0000000007830000-0x00000000078C6000-memory.dmp

Filesize
600KB

Download
memory/4436-20-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4436-26-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4436-87-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4436-61-0x0000000070070000-0x00000000700BC000-memory.dmp

Filesize
304KB

Download