5293e722ecf4aa4b69f8b01bb782bf514c623ec63e22949410fcb938a1a3d8b0

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
22/07/2024, 07:37

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General

Target

$R0/Uninstall Miro.exe
Size

485KB
MD5

c40a8ce0ad9942681619ce0929facbab
SHA1

65b716b9559d1d1c7d4646761cdf8759474df660
SHA256

908e67b5b5848a43351251421c774b3ef4d6f58dfc1c23dc3ad4f5c8b9887921
SHA512

6c08e3c4de0c80a1e2b09dd1a30053922b56573dba046bddb0a4af7eb87ae3bcfa715b669cfbd75c230357b35a6aff8addd9d8b46846007125fed860b618d7d9
SSDEEP

3072:an77v00hEoDEtaunrPMj2UK56ZvcwV/LjaH2tvhOEA1RJCir86SrSrv6Ia3hY4:a740IXrPMj2UYLwVHs2t0EyL+ya7

Score

5^/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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
1608	Un_A.exe

Loads dropped DLL 6 IoCs

pid	Process
1608	Un_A.exe
1608	Un_A.exe
1608	Un_A.exe
1608	Un_A.exe
1608	Un_A.exe
1608	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
1588	tasklist.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1608	Un_A.exe
1608	Un_A.exe
1588	tasklist.exe
1588	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1588	tasklist.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 1608	2904	Uninstall Miro.exe	86
PID 2904 wrote to memory of 1608	2904	Uninstall Miro.exe	86
PID 2904 wrote to memory of 1608	2904	Uninstall Miro.exe	86
PID 1608 wrote to memory of 2648	1608	Un_A.exe	88
PID 1608 wrote to memory of 2648	1608	Un_A.exe	88
PID 1608 wrote to memory of 2648	1608	Un_A.exe	88
PID 2648 wrote to memory of 1588	2648	cmd.exe	90
PID 2648 wrote to memory of 1588	2648	cmd.exe	90
PID 2648 wrote to memory of 1588	2648	cmd.exe	90
PID 2648 wrote to memory of 4048	2648	cmd.exe	91
PID 2648 wrote to memory of 4048	2648	cmd.exe	91
PID 2648 wrote to memory of 4048	2648	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Miro.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Miro.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2904
- 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:1608
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Miro.exe" | %SYSTEMROOT%\System32\find.exe "Miro.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2648
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Miro.exe"
      4⤵
      Enumerates processes with tasklist
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1588
  - - C:\Windows\SysWOW64\find.exe
      C:\Windows\System32\find.exe "Miro.exe"
      4⤵
      PID:4048

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\nsrAFAA.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

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C:\Users\Admin\AppData\Local\Temp\nsrAFAA.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

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C:\Users\Admin\AppData\Local\Temp\nsrAFAA.tmp\WinShell.dll

Filesize
3KB

MD5
1cc7c37b7e0c8cd8bf04b6cc283e1e56

SHA1
0b9519763be6625bd5abce175dcc59c96d100d4c

SHA256
9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

SHA512
7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

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C:\Users\Admin\AppData\Local\Temp\nsrAFAA.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
485KB

MD5
c40a8ce0ad9942681619ce0929facbab

SHA1
65b716b9559d1d1c7d4646761cdf8759474df660

SHA256
908e67b5b5848a43351251421c774b3ef4d6f58dfc1c23dc3ad4f5c8b9887921

SHA512
6c08e3c4de0c80a1e2b09dd1a30053922b56573dba046bddb0a4af7eb87ae3bcfa715b669cfbd75c230357b35a6aff8addd9d8b46846007125fed860b618d7d9

Download Submit