818d03cd6f348268d6609954eb3b4f9cd3ddc5e16165cacbb8fd416feb2d3d1c

Analysis

max time kernel
91s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 02:49

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General

Target

$R0/Uninstall Netron.exe
Size

284KB
MD5

59a7e0b1cf6e2a958ea10b60733c09e3
SHA1

73baebb0432ab8e350f8057245ca496415bd0b9a
SHA256

c530b575259b7e727629996250900336eca08bfad95e972cf5a07a0dfc867eb3
SHA512

bc4bdd86727a9a5abffd5111468f2197693e7b2a10a69060840b6932f592d8fefa32f315d885132868235ad39771372969393e497169cdbdcfa0c812f4bb50d3
SSDEEP

6144:M740I8rKtttttttttttt+//+/t6+t+ttttttt+t+t+qwv7mXFtttttMtttcXuVCR:u9yvEX2BRKJz

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

Un_A.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation Un_A.exe
Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

512 Un_A.exe
Loads dropped DLL 6 IoCs

Processes:

Un_A.exe

pid process

512 Un_A.exe
512 Un_A.exe
512 Un_A.exe
512 Un_A.exe
512 Un_A.exe
512 Un_A.exe
Enumerates processes with tasklist 1 TTPs 1 IoCs
discovery

Process Discovery
T1057

Processes:

tasklist.exe

pid process

1796 tasklist.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	Un_A.exe

pid	process
512	Un_A.exe

pid	process
512	Un_A.exe
512	Un_A.exe
512	Un_A.exe
512	Un_A.exe
512	Un_A.exe
512	Un_A.exe

pid	process
1796	tasklist.exe

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

Processes:

Uninstall Netron.exeUn_A.execmd.exefind.exetasklist.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall Netron.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

Modifies registry class 64 IoCs

Processes:

Un_A.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.mge	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pdopt\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.rknn	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.tmfile\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.nn	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pdparams	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.armnn\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.dlc\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.hn	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pkl\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.mlmodel\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.model\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.om\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.mlpackage	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.tflite	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.uff	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.meta	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.t7	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.lite	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pdopt	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pt\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.caffemodel\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.dnn	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.dnn\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.h5\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.hd5	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pt2\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.tfl\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.ckpt	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.prototxt	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pt2	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.ptl\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.mlmodel	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.nb	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pbtxt	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pickle\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.dlc	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.rknn\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.keras\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.npy	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.tm	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pb\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pdiparams\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pkl	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.onnx	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pth\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.uff\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.ckpt\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.kmodel	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.maxviz\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.ort	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.ort\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.prototxt\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.tmfile	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.tm\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.paddle	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.mlnet\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.mnn\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.npz\	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.cmf	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.model	Un_A.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.ngf	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.param\	Un_A.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\.pdmodel\	Un_A.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Un_A.exetasklist.exe

pid process

512 Un_A.exe
512 Un_A.exe
1796 tasklist.exe
1796 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 1796 tasklist.exe

pid	process
512	Un_A.exe
512	Un_A.exe
1796	tasklist.exe
1796	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	1796	tasklist.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Uninstall Netron.exeUn_A.execmd.exe

description	pid	process	target process
PID 4712 wrote to memory of 512	4712	Uninstall Netron.exe	Un_A.exe
PID 4712 wrote to memory of 512	4712	Uninstall Netron.exe	Un_A.exe
PID 4712 wrote to memory of 512	4712	Uninstall Netron.exe	Un_A.exe
PID 512 wrote to memory of 4748	512	Un_A.exe	cmd.exe
PID 512 wrote to memory of 4748	512	Un_A.exe	cmd.exe
PID 512 wrote to memory of 4748	512	Un_A.exe	cmd.exe
PID 4748 wrote to memory of 1796	4748	cmd.exe	tasklist.exe
PID 4748 wrote to memory of 1796	4748	cmd.exe	tasklist.exe
PID 4748 wrote to memory of 1796	4748	cmd.exe	tasklist.exe
PID 4748 wrote to memory of 3172	4748	cmd.exe	find.exe
PID 4748 wrote to memory of 3172	4748	cmd.exe	find.exe
PID 4748 wrote to memory of 3172	4748	cmd.exe	find.exe

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Netron.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Netron.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4712
- 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⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:512
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Netron.exe" /FO csv | "C:\Windows\system32\find.exe" "Netron.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4748
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Netron.exe" /FO csv
      4⤵
      Enumerates processes with tasklist
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1796
  - - C:\Windows\SysWOW64\find.exe
      "C:\Windows\system32\find.exe" "Netron.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:3172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Temp\nswA44F.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
C:\Users\Admin\AppData\Local\Temp\nswA44F.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nswA44F.tmp\WinShell.dll

Filesize
3KB

MD5
1cc7c37b7e0c8cd8bf04b6cc283e1e56

SHA1
0b9519763be6625bd5abce175dcc59c96d100d4c

SHA256
9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

SHA512
7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nswA44F.tmp\nsExec.dll

Filesize
6KB

MD5
ec0504e6b8a11d5aad43b296beeb84b2

SHA1
91b5ce085130c8c7194d66b2439ec9e1c206497c

SHA256
5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

SHA512
3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
284KB

MD5
59a7e0b1cf6e2a958ea10b60733c09e3

SHA1
73baebb0432ab8e350f8057245ca496415bd0b9a

SHA256
c530b575259b7e727629996250900336eca08bfad95e972cf5a07a0dfc867eb3

SHA512
bc4bdd86727a9a5abffd5111468f2197693e7b2a10a69060840b6932f592d8fefa32f315d885132868235ad39771372969393e497169cdbdcfa0c812f4bb50d3

Download Submit