bcbbc761561cfebebf30e13c8894e48ea6b2f9e5286c291118c75ae6918c9d68

Analysis

max time kernel
149s
max time network
142s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
02/06/2026, 13:07

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General

Target
tmpklf32soe.exe
Size 903KB
Sample260602-qc3bvae14q
SHA256 bcbbc761561cfebebf30e13c8894e48ea6b2f9e5286c291118c75ae6918c9d68
MD5 562f7ae252dc03fe56dd458330771748
SHA1 dda31f3c2cb5eac6f42745c4b0bffd8a452514da
SHA512 f5c98790aec730fda4372e536f1566276adcbe0210417478b0bee6b1f39e27343add1a9fe4b32b13d1e6a4ba8750d2e80243ef949813b49a7e7c5d849e00d153
SSDEEP 24576:dadWcJwkm2HvzcV6xOWaeM/vCdps00eJlGzvofwHR91:AWcJwkHHLcV60Cw0VDGLoIHR91
TLSH
T1B31522402AD9C4DAE7180676D83BCAF20F16DD685A90905633F97F5B3EB6783702B709
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 6 IoCs

pid	Process
3356	tmpklf32soe.exe
3356	tmpklf32soe.exe
3356	tmpklf32soe.exe
3356	tmpklf32soe.exe
3356	tmpklf32soe.exe
3356	tmpklf32soe.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3356	tmpklf32soe.exe
4024	tmpklf32soe.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\pivsurt.bin	tmpklf32soe.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 2 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	tmpklf32soe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpklf32soe.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3356	tmpklf32soe.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3356 wrote to memory of 4428	3356	tmpklf32soe.exe	80
PID 3356 wrote to memory of 4024	3356	tmpklf32soe.exe	81
PID 3356 wrote to memory of 4024	3356	tmpklf32soe.exe	81
PID 4024 wrote to memory of 1936	4024	tmpklf32soe.exe	82

C:\Users\Admin\AppData\Local\Temp\tmpklf32soe.exe
"C:\Users\Admin\AppData\Local\Temp\tmpklf32soe.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Users\Admin\AppData\Local\Temp\tmpklf32soe.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpklf32soe.exe"
  2⤵
  PID:4428
- C:\Users\Admin\AppData\Local\Temp\tmpklf32soe.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpklf32soe.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4024
- - C:\Users\Admin\AppData\Local\Temp\tmpklf32soe.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpklf32soe.exe"
    3⤵
    PID:1936

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

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Downloads

LangDLL.dll

Path C:\Users\Admin\AppData\Local\Temp\nsz2AE5.tmp\LangDLL.dll
Size 5KB
SHA256 131aa0df90c08dce2eecee46cce8759e9afff04bf15b7b0002c2a53ae5e92c36
MD5 549ee11198143574f4d9953198a09fe8
SHA1 2e89ba5f30e1c1c4ce517f28ec1505294bb6c4c1
SHA512 0fb4cea4fd320381fe50c52d1c198261f0347d6dcee857917169fcc3e2083ed4933beff708e81d816787195cca050f3f5f9c5ac9cc7f781831b028ef5714bec8
SSDEEP 48:S46+/sTKYKxbWsptIp5tCZ0iVEAWyMEv9v/ft2O2B8mWofjLl:z+uPbO5tCZBVEAWyMEFv2Cm9L
TLSH
T1D5C1A370B3D248B9C591413778AB33D36612AE747784504FDB6311AA3820AE7AD3EBC2
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsz2AE5.tmp\System.dll
Size 12KB
SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
MD5 192639861e3dc2dc5c08bb8f8c7260d5
SHA1 58d30e460609e22fa0098bc27d928b689ef9af78
SHA512 6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc
SSDEEP 192:ljHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZqE0QPi:R/Qlt7wiij/lMRv/9V4bfr
TLSH
T1B1427C1297B089F2F551493419667F2A6FBEAC5C13F405A3CFE304C63D212CB9839243
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3356-34-0x0000000074215000-0x0000000074216000-memory.dmp

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memory/4024-35-0x0000000000400000-0x0000000001717000-memory.dmp

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memory/4024-36-0x0000000077508000-0x0000000077509000-memory.dmp

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memory/4024-37-0x000000007759B000-0x000000007759C000-memory.dmp

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memory/4024-38-0x000000007751B000-0x000000007751C000-memory.dmp

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memory/4024-39-0x0000000000400000-0x0000000001717000-memory.dmp

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memory/4024-40-0x000000007759B000-0x000000007759C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads