7f7cd486bff51ad26072219f53b3bed0d0d0efb81de6b9004dde872f7da51321

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/09/2026, 01:46

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General

Target
jaffacakes118_7f7cd486bff51ad26072219f53b3bed0d0d0efb81de6b9004dde872f7da51321.exe
Size 662KB
Sample260910-b7beaacm4z
SHA256 7f7cd486bff51ad26072219f53b3bed0d0d0efb81de6b9004dde872f7da51321
MD5 ee28d916c634392b4ea199eedb716901
SHA1 68dcf49e36f4d8fe3c5b5874b089ca088374511b
SHA512 adaa25c87bbf98ae08d5c8e3be2a32d6a0628f6989930caed6a3a41939a7a59928cbb7709270518f01beb3d30e3d5f63f00299f02d16f4cc1d485c759b218e5f
SSDEEP 12288:fTm3JhH/Pr8wHDpiM0QPcEteCDqdclJV+oRGVwUkuhhs6TGD0aI:rm3vbVVfTe8qCGPs6SA
TLSH
T114E423CA963D4BFEDDCDCE3B94D7808543996527E40BAF08020ED98DE0D274AB5AB524
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution persistence

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1556	powershell.exe
3976	powershell.exe
1556	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
3412	UnderlyingSystemType.exe
1080	UnderlyingSystemType.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3412 set thread context of 1236	3412	UnderlyingSystemType.exe	102

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1556	powershell.exe
1556	powershell.exe
3976	powershell.exe
3976	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4544	jaffacakes118_7f7cd486bff51ad26072219f53b3bed0d0d0efb81de6b9004dde872f7da51321.exe
Token: SeDebugPrivilege	1556	powershell.exe
Token: SeDebugPrivilege	3976	powershell.exe
Token: SeDebugPrivilege	3412	UnderlyingSystemType.exe
Token: SeDebugPrivilege	1236	MSBuild.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 1236	3412	UnderlyingSystemType.exe	102
PID 3412 wrote to memory of 1236	3412	UnderlyingSystemType.exe	102
PID 3412 wrote to memory of 1236	3412	UnderlyingSystemType.exe	102
PID 3412 wrote to memory of 1236	3412	UnderlyingSystemType.exe	102

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\jaffacakes118_7f7cd486bff51ad26072219f53b3bed0d0d0efb81de6b9004dde872f7da51321.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_7f7cd486bff51ad26072219f53b3bed0d0d0efb81de6b9004dde872f7da51321.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4544

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -WindowStyle Hidden -NoProfile -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Count\UnderlyingSystemType.exe' -Force ; Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe' -Force ; Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe' -Force ; Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe' -Force ; Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe' -Force ; Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe' -Force ; Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe' -Force ; Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe' -Force ; Add-MpPreference -ExclusionProcess 'InstallUtil.exe' -Force ; Add-MpPreference -ExclusionProcess 'RegAsm.exe' -Force ; Add-MpPreference -ExclusionProcess 'MSBuild.exe' -Force ; Add-MpPreference -ExclusionProcess 'aspnet_compiler.exe' -Force ; Add-MpPreference -ExclusionProcess 'AppLaunch.exe' -Force ; Add-MpPreference -ExclusionProcess 'RegSvcs.exe' -Force ; Add-MpPreference -ExclusionProcess 'AddInProcess.exe' -Force ; Add-MpPreference -ExclusionProcess 'UnderlyingSystemType.exe' -Force"
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1556

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -WindowStyle Hidden -NoProfile -Command "System.Collections.Generic.List`1[System.String]"
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3976

C:\Users\Admin\AppData\Roaming\Count\UnderlyingSystemType.exe
C:\Users\Admin\AppData\Roaming\Count\UnderlyingSystemType.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3412
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1236

C:\Users\Admin\AppData\Roaming\Count\UnderlyingSystemType.exe
C:\Users\Admin\AppData\Roaming\Count\UnderlyingSystemType.exe
1⤵
- Executes dropped EXE
PID:1080

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

UnderlyingSystemType.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\UnderlyingSystemType.exe.log
Size 639B
SHA256 813580910cd54c1e3e06df017b97e1fa0b3cc4fb948ebc9eeb2a9a40f7ded46b
MD5 95b45280c2ffb48463661db4681d0067
SHA1 9adde6e8d9c9400ce3243cd3e88222e7f9103587
SHA512 66015c2e0c0774edbb4e6514c221e1c9df03832dd50d97af774852a103162f1fddeec4a9468a1337dc268093f4a0b3e33cecad22a176ae938c5f5595d72250cb
TLSH
T173F07D323375E1D889553F521D28258413FF0355F1909E18B494616ED9364175F211E3
MD5 SHA1 SHA512 TLSH

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
TLSH
T1CE51EE323375B1E888167F071E681A8053BF4355EA94AF1CB698621ED93641B9F222F3
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 6159722066119c162ed49973d2852c8c4420d89fcc78e69e2e7317a53f85cca1
MD5 856d4328f99937476c1d34b5a03daaf8
SHA1 367f439b74760c236f1a95cf5d7de28ff3ec4b40
SHA512 7782c1f714d9c21512b46f0c3caa1c475d304f0fd9b6c4537b3c4ac3b3a5ec9a6ee83d5240867364c34c8ac7a751f90aacce6d952d5ea17af834c65a5ef5d91e
TLSH
T102112223F38D8961CC96163A509DAC5172B686CB81AEDF9F7FC0C210A1BF584CB61294
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_bpfx430b.w1b.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bpfx430b.w1b.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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UnderlyingSystemType.exe

Path C:\Users\Admin\AppData\Roaming\Count\UnderlyingSystemType.exe
Size 662KB
SHA256 7f7cd486bff51ad26072219f53b3bed0d0d0efb81de6b9004dde872f7da51321
MD5 ee28d916c634392b4ea199eedb716901
SHA1 68dcf49e36f4d8fe3c5b5874b089ca088374511b
SHA512 adaa25c87bbf98ae08d5c8e3be2a32d6a0628f6989930caed6a3a41939a7a59928cbb7709270518f01beb3d30e3d5f63f00299f02d16f4cc1d485c759b218e5f
SSDEEP 12288:fTm3JhH/Pr8wHDpiM0QPcEteCDqdclJV+oRGVwUkuhhs6TGD0aI:rm3vbVVfTe8qCGPs6SA
TLSH
T114E423CA963D4BFEDDCDCE3B94D7808543996527E40BAF08020ED98DE0D274AB5AB524
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1080-38-0x0000000003340000-0x0000000003394000-memory.dmp

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memory/1556-13-0x0000026C7CC40000-0x0000026C7CC62000-memory.dmp

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memory/1556-6-0x0000026C7C150000-0x0000026C7C160000-memory.dmp

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memory/3412-33-0x0000000001CE0000-0x0000000001D34000-memory.dmp

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memory/4544-0-0x00000000002F0000-0x000000000039A000-memory.dmp

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memory/4544-5-0x0000000002E60000-0x0000000002EB4000-memory.dmp

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memory/4544-4-0x0000000002E10000-0x0000000002E5C000-memory.dmp

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memory/4544-27-0x0000000000D50000-0x0000000000D60000-memory.dmp

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memory/4544-3-0x0000000002DB0000-0x0000000002E04000-memory.dmp

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memory/4544-2-0x000000001BFD0000-0x000000001C0E6000-memory.dmp

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memory/4544-1-0x0000000000D50000-0x0000000000D60000-memory.dmp

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