ecc1f9fd3a5c4bb7b1b4f7f691bdface787774f5959abbae3da18dcb27912d08

Analysis

max time kernel
149s
max time network
133s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
01/06/2026, 01:52

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General

Target
ecc1f9fd3a5c4bb7b1b4f7f691bdface787774f5959abbae3da18dcb27912d08.exe
Size 216KB
Sample260601-caewwabt4x
SHA256 ecc1f9fd3a5c4bb7b1b4f7f691bdface787774f5959abbae3da18dcb27912d08
MD5 e6fea7f0d7cca3bb808d07c6d33e3ec8
SHA1 787ffb94a4bc271d64b1e61fa487d74856be4b02
SHA512 2f8c8a046419ab27d48a888811ec50c8abf7db43dde6d9e392199bec65be9bb69cae0ad3b3a64562e34a28c1bd5bdca04ca551b8aedc97191d2c91d76e9ce724
SSDEEP 3072:eTIN8ogtjDAVeuC/JFOsmyphpBzNYWU13Jc0jDmiNFI7ZY45Tv4XHGh:eTA8oPkJFOVghDpYKqDmiv8C45Tvx
TLSH
T15924BF40ABE5D16AFBE34F34E4F656B69734BC21E622869F53803F5E38311409A473A6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4188	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
1620	Un_A.exe
2436	Un_A.exe

Loads dropped DLL 2 IoCs

pid	Process
908	ecc1f9fd3a5c4bb7b1b4f7f691bdface787774f5959abbae3da18dcb27912d08.exe
2436	Un_A.exe

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	ecc1f9fd3a5c4bb7b1b4f7f691bdface787774f5959abbae3da18dcb27912d08.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4188	powershell.exe
4188	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4188	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 1620	908	ecc1f9fd3a5c4bb7b1b4f7f691bdface787774f5959abbae3da18dcb27912d08.exe	81
PID 1620 wrote to memory of 2436	1620	Un_A.exe	82
PID 908 wrote to memory of 4188	908	ecc1f9fd3a5c4bb7b1b4f7f691bdface787774f5959abbae3da18dcb27912d08.exe	83

C:\Users\Admin\AppData\Local\Temp\ecc1f9fd3a5c4bb7b1b4f7f691bdface787774f5959abbae3da18dcb27912d08.exe
"C:\Users\Admin\AppData\Local\Temp\ecc1f9fd3a5c4bb7b1b4f7f691bdface787774f5959abbae3da18dcb27912d08.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:908
- C:\Users\Admin\AppData\Local\Temp\nsq2E4F.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\nsq2E4F.tmp\Un_A.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1620
- - C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
    "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\nsq2E4F.tmp\
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2436
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\nsr2F3B.tmp.ps1"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4188

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

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

__PSScriptPolicyTest_zfms31r1.eew.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zfms31r1.eew.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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Un_A.exe

Path C:\Users\Admin\AppData\Local\Temp\nsq2E4F.tmp\Un_A.exe
Size 155KB
SHA256 72ffe8859eaa63637f5a62b7c454241db35938f8326f6ccf20352e00f8df2fe5
MD5 32109e2aac377fa07b849f4f4033edc5
SHA1 a7b87a221744fb2e36327be0a34c17b7d734c47f
SHA512 688d9b51060d84c4e2dd0ddbb20d43bbc8bf93a903f26e855f546335bd7a5c9ef5c6f888dff35d379cbb1d782c5e231b33831b7272cde2b40c2d7fc2b85ffc0d
SSDEEP 3072:iIAe+3aJpgWXTBuq/JFONM2cZ6iKowuq12ApG3s/6:izB+pgURJFOS21iQ5i+6
TLSH
T1EEF36B0167E4D12EF9E34B70E8E286F65735BC55E5228E9F77847F1E3834200AE493A6
MD5 SHA1 SHA512 SSDEEP TLSH

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nsExec.dll

Path C:\Users\Admin\AppData\Local\Temp\nsq2E4F.tmp\nsExec.dll
Size 7KB
SHA256 b121689861b506dbc9c3797b49bc8a90d555cb7db58cb959165cc758391c00bb
MD5 8fe362ffdfa66269b8a64e3a87f68e52
SHA1 b5daaa60a6b8591a670da9fc3a2d6f896d55f568
SHA512 8f2904e01b0835683a0f11114a09da291ba527d867e73db2765185f780f2278debd9c5fc4281a42a6065c5ef5947bdc6239ae4c5835df62c71e1fce80d8bf942
SSDEEP 96:JXzdzBzMDhOZZDbXf5GsWvSv1ckne94SDbYkvML1HT1fUNQaSGYuHnDQ:JgQHDb2vSuOc41ZfUNQZGdHD
TLSH
T1F8E1193571C02DF7E08D89707816BD2F83F4D43627BA05A04A771AD579D0AF6EE28B42
MD5 SHA1 SHA512 SSDEEP TLSH

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nsr2F3B.tmp.ps1

Path C:\Users\Admin\AppData\Local\Temp\nsr2F3B.tmp.ps1
Size 814B
SHA256 0bf85e11415f4a5ac92cddec88c0813329751e59248f9b6b302cf827c4d186b0
MD5 9bba8e9cd6a980c7e9167da050d33686
SHA1 3d4d7c2b2e387b9aabde68e6551e540248d77da4
SHA512 b6d1488a58959aa89219f52bb1dfe1c6ec7ebb8eb4f82f6fe99df0d2a1f7b5f206e9759c2dae97cf9c7b37d1629d2932ea2f146f0dbd381b9150a6ae83df1f31
TLSH
T133016640122585B4E390E70950DFB6BDA939873F6604255070DE4ADAE91CBE24EF867A
MD5 SHA1 SHA512 TLSH

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LangDLL.dll

Path C:\Users\Admin\AppData\Local\Temp\nsw2F5A.tmp\LangDLL.dll
Size 16KB
SHA256 4fca692a36f0c99e26b5bc7ef9db5269d2c1e21288184953898130fea9b1c4fc
MD5 46ba3881f8b27f54a8d92d600e61ee7b
SHA1 15933b6ece85a6d45fd78ae499b445a3bc6d2d05
SHA512 6f64d3cb4634ed51710f578667b92a429aa871a0a141092df3cf7e0134a0b145f802f91126f1ce43ddb4b9d6cc6fb875c9acec22eab0cec86a72dd916e1f9eb3
SSDEEP 384:kTrZBV86AQINyQH38E9VF6IYinAM+oZtfpMVK:kXZL86A1MEpYinAMxZ5aK
TLSH
T12E725BB286805C15CE4B8D3274D5A537AA727B926BC0C1D7136AC1518B907C37FFC2EA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4188-31-0x0000000005CB0000-0x0000000005CCE000-memory.dmp

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memory/4188-22-0x00000000056D0000-0x0000000005736000-memory.dmp

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memory/4188-23-0x0000000005740000-0x00000000057A6000-memory.dmp

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memory/4188-19-0x0000000002490000-0x00000000024C6000-memory.dmp

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memory/4188-30-0x0000000005860000-0x0000000005BB7000-memory.dmp

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memory/4188-20-0x0000000004F70000-0x000000000559A000-memory.dmp

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memory/4188-32-0x0000000005CE0000-0x0000000005D2C000-memory.dmp

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memory/4188-21-0x0000000004EE0000-0x0000000004F02000-memory.dmp

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memory/4188-36-0x0000000006240000-0x0000000006262000-memory.dmp

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memory/4188-35-0x00000000061E0000-0x00000000061FA000-memory.dmp

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memory/4188-34-0x0000000006E70000-0x0000000006F06000-memory.dmp

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memory/4188-37-0x00000000074C0000-0x0000000007A66000-memory.dmp

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