2726248644ff6f03122012c3b7a4e10039dcb3f039b5539d1ee4a531059699ce

Analysis

max time kernel
149s
max time network
96s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
03/06/2026, 22:24

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General

Target
$R0/Uninstall privateAssetDownloader.exe
Size 135KB
Sample260603-2bt5maez21
SHA256 2726248644ff6f03122012c3b7a4e10039dcb3f039b5539d1ee4a531059699ce
MD5 b909fa22eb32b2a11cb9585bf0ff1d21
SHA1 e7a457912d9814236200ed35d6eeb5e2d26d6a39
SHA512 ad78b7c61b9841452007f44e454c7e7c400dc06d12f03989c424002a1032e47546b04e8867dbfc65118deb21748395385fe7f84c6178a5464b52589723e86c95
SSDEEP 3072:on77v00hEoDEtauAceA3Al0irb3Ktxb7aH2tvhOEA1RJCir86SrSrv6Ia3X:o740Iwm3Al1rb6H3s2t0EyL+yaH
TLSH
T169D3E0157390C863E9FA4F724AF597EB2AB2F11118248F037780276E7D627A1EE1D361
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3288	Un_A.exe

Loads dropped DLL 6 IoCs

pid	Process
3288	Un_A.exe
3288	Un_A.exe
3288	Un_A.exe
3288	Un_A.exe
3288	Un_A.exe
3288	Un_A.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
4164	tasklist.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 5 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	Uninstall privateAssetDownloader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	find.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3288	Un_A.exe
3288	Un_A.exe
4164	tasklist.exe
4164	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4164	tasklist.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 3288	3580	Uninstall privateAssetDownloader.exe	80
PID 3288 wrote to memory of 4984	3288	Un_A.exe	81
PID 4984 wrote to memory of 4164	4984	cmd.exe	83
PID 4984 wrote to memory of 3356	4984	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall privateAssetDownloader.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall privateAssetDownloader.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3580
- 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\$R0\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3288
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq privateAssetDownloader.exe" /FO csv | "C:\Windows\system32\find.exe" "privateAssetDownloader.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4984
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq privateAssetDownloader.exe" /FO csv
      4⤵
      Enumerates processes with tasklist
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4164
  - - C:\Windows\SysWOW64\find.exe
      "C:\Windows\system32\find.exe" "privateAssetDownloader.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:3356

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

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

StdUtils.dll

Path C:\Users\Admin\AppData\Local\Temp\nsn4012.tmp\StdUtils.dll
Size 100KB
SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
MD5 c6a6e03f77c313b267498515488c5740
SHA1 3d49fc2784b9450962ed6b82b46e9c3c957d7c15
SHA512 9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
SSDEEP 3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v
TLSH
T125A33B62A2FA9CF5E4E70B3D1469BB264CBB7B383431D93F2342054B8534586DA2D35B
MD5 SHA1 SHA512 SSDEEP TLSH

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System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsn4012.tmp\System.dll
Size 12KB
SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 48df0911f0484cbe2a8cdd5362140b63c41ee457
SHA512 c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
SSDEEP 192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
TLSH
T1BA428E12977049F2F1A0183C10A67F265FBEAE5C1BE445A39FE380867D652DF9436343
MD5 SHA1 SHA512 SSDEEP TLSH

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WinShell.dll

Path C:\Users\Admin\AppData\Local\Temp\nsn4012.tmp\WinShell.dll
Size 3KB
SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
MD5 1cc7c37b7e0c8cd8bf04b6cc283e1e56
SHA1 0b9519763be6625bd5abce175dcc59c96d100d4c
SHA512 7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f
TLSH
T16A51365F13BED7A4C3071738A6FBDC85749B440012C659558BB2172ABF141E0BB3CD08
MD5 SHA1 SHA512 TLSH

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nsExec.dll

Path C:\Users\Admin\AppData\Local\Temp\nsn4012.tmp\nsExec.dll
Size 6KB
SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
MD5 ec0504e6b8a11d5aad43b296beeb84b2
SHA1 91b5ce085130c8c7194d66b2439ec9e1c206497c
SHA512 3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57
SSDEEP 96:YjHFiKaoggCtJzTlKXb0tbo68qD853Ns7GgmkNq3m+s:JbogRtJzTlNR8qD85uGgmkNr
TLSH
T173D109B836C20CF3D54E46743E22381713FEE4761B7502A18B976ED61D92AE2FE20781
MD5 SHA1 SHA512 SSDEEP TLSH

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Un_A.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Size 135KB
SHA256 2726248644ff6f03122012c3b7a4e10039dcb3f039b5539d1ee4a531059699ce
MD5 b909fa22eb32b2a11cb9585bf0ff1d21
SHA1 e7a457912d9814236200ed35d6eeb5e2d26d6a39
SHA512 ad78b7c61b9841452007f44e454c7e7c400dc06d12f03989c424002a1032e47546b04e8867dbfc65118deb21748395385fe7f84c6178a5464b52589723e86c95
SSDEEP 3072:on77v00hEoDEtauAceA3Al0irb3Ktxb7aH2tvhOEA1RJCir86SrSrv6Ia3X:o740Iwm3Al1rb6H3s2t0EyL+yaH
TLSH
T169D3E0157390C863E9FA4F724AF597EB2AB2F11118248F037780276E7D627A1EE1D361
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download