49d3da4a93495e17dc507de8e4e25cd5a038d199da49e34250f423b9fcfedca9

Resubmissions

16-04-2024 19:44

240416-yfyf3aag99 7

16-04-2024 19:29

240416-x7jljscb21 7

Analysis

max time kernel
108s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16-04-2024 19:29

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General

Target

$R0/Uninstall asdasdasd.exe
Size

135KB
MD5

c19800b5afd0a1cd4bb8582e02b99c14
SHA1

5273804157c1bc20dfa3e41ac30c1e829c34cfd7
SHA256

a823c20b85e04cedb0a326f5e1c8b7461548dd5c7a323de6a8316a036aff935a
SHA512

6ebf8a45ee0d8109ada63d5966163c3fe209d654e6a6bbc7ff6ccd6dd10f86545d3d0f079f0a4bfec5fac8ff2be3642fc0100b2618528e8973bfe80a90919c84
SSDEEP

3072:sn77v00hEoDEtautceAsg82aH2tvhOEA1RJCir86SrSrv6Ia3B:s740Idmsg82s2t0EyL+yax

Score

7^/10

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
4728	Un_A.exe

Loads dropped DLL 5 IoCs

pid	Process
4728	Un_A.exe
4728	Un_A.exe
4728	Un_A.exe
4728	Un_A.exe
4728	Un_A.exe

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

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
648	tasklist.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4728	Un_A.exe
4728	Un_A.exe
648	tasklist.exe
648	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	648	tasklist.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 4728	3704	Uninstall asdasdasd.exe	85
PID 3704 wrote to memory of 4728	3704	Uninstall asdasdasd.exe	85
PID 3704 wrote to memory of 4728	3704	Uninstall asdasdasd.exe	85
PID 4728 wrote to memory of 2896	4728	Un_A.exe	91
PID 4728 wrote to memory of 2896	4728	Un_A.exe	91
PID 4728 wrote to memory of 2896	4728	Un_A.exe	91
PID 2896 wrote to memory of 648	2896	cmd.exe	93
PID 2896 wrote to memory of 648	2896	cmd.exe	93
PID 2896 wrote to memory of 648	2896	cmd.exe	93
PID 2896 wrote to memory of 1080	2896	cmd.exe	94
PID 2896 wrote to memory of 1080	2896	cmd.exe	94
PID 2896 wrote to memory of 1080	2896	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall asdasdasd.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall asdasdasd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3704
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4728
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq asdasdasd.exe" /FO csv | %SYSTEMROOT%\System32\find.exe "asdasdasd.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2896
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq asdasdasd.exe" /FO csv
      4⤵
      Enumerates processes with tasklist
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:648
  - - C:\Windows\SysWOW64\find.exe
      C:\Windows\System32\find.exe "asdasdasd.exe"
      4⤵
      PID:1080

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsp3970.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsp3970.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsp3970.tmp\WinShell.dll

Filesize
3KB

MD5
1cc7c37b7e0c8cd8bf04b6cc283e1e56

SHA1
0b9519763be6625bd5abce175dcc59c96d100d4c

SHA256
9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

SHA512
7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsp3970.tmp\nsExec.dll

Filesize
6KB

MD5
ec0504e6b8a11d5aad43b296beeb84b2

SHA1
91b5ce085130c8c7194d66b2439ec9e1c206497c

SHA256
5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

SHA512
3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

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

Filesize
135KB

MD5
c19800b5afd0a1cd4bb8582e02b99c14

SHA1
5273804157c1bc20dfa3e41ac30c1e829c34cfd7

SHA256
a823c20b85e04cedb0a326f5e1c8b7461548dd5c7a323de6a8316a036aff935a

SHA512
6ebf8a45ee0d8109ada63d5966163c3fe209d654e6a6bbc7ff6ccd6dd10f86545d3d0f079f0a4bfec5fac8ff2be3642fc0100b2618528e8973bfe80a90919c84

Download Submit