614bbd2c747b7749f9d5fd75654b2969c9ca070b0754dcb127e0fcf185f9d24b

Analysis

max time kernel
149s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
27/05/2026, 12:16

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General

Target
uninst.exe
Size 312KB
Sample260527-pfsfdads2l
SHA256 614bbd2c747b7749f9d5fd75654b2969c9ca070b0754dcb127e0fcf185f9d24b
MD5 c4608ea949118c34714be0be166c9c8e
SHA1 ae8ef80caee684c2233d21d495b515df3346ba71
SHA512 e0617a67f44097715040f4648c10e7e6a4cfea1ad3b3860747cda974828c148ee06362fc7fe589d885712dc051e22fe96f2dbd162cd68e8501ae31c1dee8fda1
SSDEEP 6144:nGYa67fWs3eLSJCeWjHF0kuQXryaPgwF+JK:GYlfPJHWjFFHgwYU
TLSH
T1BB640CDBCE78D25AC1873A7199F1E535825DBD3480818F0A33B53F471232485BE96EBA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

defense_evasion discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4348	Un_A.exe

Executes dropped EXE 2 IoCs

pid	Process
4348	Un_A.exe
4436	uninst.exe

Loads dropped DLL 9 IoCs

pid	Process
4348	Un_A.exe
4348	Un_A.exe
4348	Un_A.exe
4348	Un_A.exe
4348	Un_A.exe
4348	Un_A.exe
4348	Un_A.exe
4348	Un_A.exe
4348	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 3 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	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninst.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
5108	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5108	taskkill.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 4348	3172	uninst.exe	82
PID 4348 wrote to memory of 5108	4348	Un_A.exe	83
PID 4348 wrote to memory of 4068	4348	Un_A.exe	86
PID 4348 wrote to memory of 4436	4348	Un_A.exe	87

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3172
- 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\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4348
- - C:\Windows\System32\taskkill.exe
    C:\Windows\System32\taskkill.exe /f /t /IM MEGASync.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:5108
- - C:\Windows\system32\regsvr32.exe
    "C:\Windows\system32\regsvr32.exe" /s /u "C:\Users\Admin\AppData\Local\Temp\ShellExtX64.dll"
    3⤵
    PID:4068
- - C:\Users\Admin\AppData\Local\Temp\nsb2F79.tmp\uninst.exe
    "C:\Users\Admin\AppData\Local\Temp\nsb2F79.tmp\uninst.exe" /cleanup _?=C:\Users\Admin\AppData\Local\Temp
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4436

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\nsb2F79.tmp\LangDLL.dll
Size 5KB
SHA256 18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
MD5 68b287f4067ba013e34a1339afdb1ea8
SHA1 45ad585b3cc8e5a6af7b68f5d8269c97992130b3
SHA512 06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb
SSDEEP 48:S46+/nTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mFofjLl:zFuPbOBtWZBV8jAWiAJCdv2Cm0L
TLSH
T16BC19474B3C248B9C491513768AB33D36612EE746784500F9F6711AA38209F7AD3EBC3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsb2F79.tmp\System.dll
Size 12KB
SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 cff85c549d536f651d4fb8387f1976f2
SHA1 d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SHA512 531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
SSDEEP 192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
TLSH
T126426B129BB089F2F591583814667F2A6FBE9C5D27F50563CFE304D63D212CB983A283
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

UAC.dll

Path C:\Users\Admin\AppData\Local\Temp\nsb2F79.tmp\UAC.dll
Size 18KB
SHA256 0d21041a1b5cd9f9968fc1d457c78a802c9c5a23f375327e833501b65bcd095d
MD5 113c5f02686d865bc9e8332350274fd1
SHA1 4fa4414666f8091e327adb4d81a98a0d6e2e254a
SHA512 e190d1ee50c0b2446b14f0d9994a0ce58f5dbd2aa5d579f11b3a342da1d4abf0f833a0415d3817636b237930f314be54e4c85b4db4a9b4a3e532980ea9c91284
SSDEEP 192:5cdcpry0igQ1Ii1rzn6U4gbfW6irWP+vOg7XRSEi+OPLjte86jugnincl0Nr90Og:WqVibvTh4qnFP+OPEzinclP+
TLSH
T19A821A5537E543BFE57229313AE766120BBEB8301A32542F4D63AAC93870987AD3D707
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

UserInfo.dll

Path C:\Users\Admin\AppData\Local\Temp\nsb2F79.tmp\UserInfo.dll
Size 4KB
SHA256 e54989d2b83e7282d0bec56b098635146aab5d5a283f1f89486816851ef885a0
MD5 2f69afa9d17a5245ec9b5bb03d56f63c
SHA1 e0a133222136b3d4783e965513a690c23826aec9
SHA512 bfd4af50e41ebc56e30355c722c2a55540a5bbddb68f1522ef7aabfe4f5f2a20e87fa9677ee3cdb3c0bf5bd3988b89d1224d32c9f23342a16e46c542d8dc0926
TLSH
T1818162BB93B00CF3D0A44B7B44A71CE762B6DD301762001F4A478AA92591B67EE7EB15
MD5 SHA1 SHA512 TLSH

Submit Download

execDos.dll

Path C:\Users\Admin\AppData\Local\Temp\nsb2F79.tmp\execDos.dll
Size 5KB
SHA256 720be35cd1b4a333264713dc146b4ad024f3a7ad0644c2d8c6fcedd3c30e8a1f
MD5 0deb397ca1e716bb7b15e1754e52b2ac
SHA1 fbb9bcf872c5dbb4ca4c80fb21d41519bc273ef5
SHA512 507db0bee0897660750007e7ce674406acf9e8bf942cf26ded5654c07682757b07c9eb767bead0966478abc554dc9a6461c4288dc35d12cacfadad4c128f1bb7
SSDEEP 96:J++xDiP4p7t7dNOt3stxtRFFXxGD6qxlnKE6ttdH3r3:Rx9pJ7jQs5toD6Cln/6tt1
TLSH
T153C1E73AF2E409B3C2A806343EA6A42B17F9D02B071409B7876321CC6CD0DB8FE74256
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

nsDialogs.dll

Path C:\Users\Admin\AppData\Local\Temp\nsb2F79.tmp\nsDialogs.dll
Size 9KB
SHA256 56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
MD5 6c3f8c94d0727894d706940a8a980543
SHA1 0d1bcad901be377f38d579aafc0c41c0ef8dcefd
SHA512 2094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355
SSDEEP 96:o0svUu3Uy+sytcS8176b+XR8pCHFcMcxSgB5PKtAtgt+Nt+rnt3DVEB3YcNqkzfS:o0svWyNO81b8pCHFcM0PuAgkOyuIFc
TLSH
T17012F992E6A450B3C5D6533B35AA2F2DCBBD5325B0926C00C7738E4D39395B66E38353
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

nse755B.tmp

Path C:\Users\Admin\AppData\Local\Temp\nse755B.tmp
Size 429KB
SHA256 8e9c367c1d7ce38b3d928f0d7016dcd832eed5e23515db76b2d87b95d61c9d81
MD5 c274d63da05fe4b755728abe3885e196
SHA1 85364c4c1897c47fbbf7fe07509820d0374cacf6
SHA512 0220e815a0cd57beb03ee7dfd7aea249bfafda399d263f22b882b8c5d24ad172d3b100592ef05e409a2405189acb3e25d6f5b186db7d958ea53d1903c9019e5b
SSDEEP 3072:yYdsfYehGk5bNxD//WGaTHzOINKhGE5R0mrWjJnyoxFMSRi16iTp6UGddbDYioF/:9mXbrD3W7HjE5HaPRDBT9oYkv99n
TLSH
T13E94EA46EBEB9312FDF70B79ACF542D90E36BE826A3AC52D1241121C28F5B549D60733
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

nsm2F69.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsm2F69.tmp
Size 456KB
SHA256 7cfd3717a1134a368bc47fd9ba402acd4d05ee599db22d963b918fb2311d55b1
MD5 a9ee0e378845d309a142debade27aa40
SHA1 8d8087aa88849da76ad79c9b9e7ea8ce3970ff1d
SHA512 8464560fadbf498ee56d857aa72eeff74268abe1f0712bfd9bc5965cf5fe10417e553091e2ca61986e594082d2a05aeb1a995c4fdbde8639ea50bbaa0ec6f20b
SSDEEP 6144:9mXbrD3W7HjE5HaPRDBT9oYkv99Bsfy/:9kj+19ml9B0w
TLSH
T122A40B46E7EB9312FDF70B79ACF542D90E36BE822A3AC52D1242165C28F1B549D60733
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Un_A.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Size 312KB
SHA256 614bbd2c747b7749f9d5fd75654b2969c9ca070b0754dcb127e0fcf185f9d24b
MD5 c4608ea949118c34714be0be166c9c8e
SHA1 ae8ef80caee684c2233d21d495b515df3346ba71
SHA512 e0617a67f44097715040f4648c10e7e6a4cfea1ad3b3860747cda974828c148ee06362fc7fe589d885712dc051e22fe96f2dbd162cd68e8501ae31c1dee8fda1
SSDEEP 6144:nGYa67fWs3eLSJCeWjHF0kuQXryaPgwF+JK:GYlfPJHWjFFHgwYU
TLSH
T1BB640CDBCE78D25AC1873A7199F1E535825DBD3480818F0A33B53F471232485BE96EBA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads