7569e4058fb692c9bcb29b8005c0f1eff6a20205da2fb39a83374d5aecf7b83e

Resubmissions

19/02/2024, 20:31

240219-za6qxsdb56 5

Analysis

max time kernel
90s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2024, 20:31

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General

Target

$R0/Uninstall FiveMods.exe
Size

167KB
MD5

d19a6626655b6d464d27c41feb2fe9c3
SHA1

5e6fd52e084bb037a84786714fcc79dc4a418a39
SHA256

a12a3ae27b2977414aac65bc211779154ac050f31d6189e98402d97eaad61692
SHA512

dd7c2dc07531ae5f2d8939acbd052b0a66a40d43a76a6beef1f4b0b7359419d602eb49dd1ca77a5d4750f661af195934f7a8b988b61ace4f4fde207bf27c0302
SSDEEP

3072:Yn77v00hEoDEtauKdXFnXglaH2tvhOEA1RJCir86SrSrv6Ia3KOTkfiWE1fSV:Y740I4xXgls2t0EyL+yaA6da

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
3004	Un_A.exe

Loads dropped DLL 6 IoCs

pid	Process
3004	Un_A.exe
3004	Un_A.exe
3004	Un_A.exe
3004	Un_A.exe
3004	Un_A.exe
3004	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
2528	tasklist.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3004	Un_A.exe
3004	Un_A.exe
2528	tasklist.exe
2528	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	tasklist.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 3004	1916	Uninstall FiveMods.exe	84
PID 1916 wrote to memory of 3004	1916	Uninstall FiveMods.exe	84
PID 1916 wrote to memory of 3004	1916	Uninstall FiveMods.exe	84
PID 3004 wrote to memory of 4084	3004	Un_A.exe	85
PID 3004 wrote to memory of 4084	3004	Un_A.exe	85
PID 3004 wrote to memory of 4084	3004	Un_A.exe	85
PID 4084 wrote to memory of 2528	4084	cmd.exe	87
PID 4084 wrote to memory of 2528	4084	cmd.exe	87
PID 4084 wrote to memory of 2528	4084	cmd.exe	87
PID 4084 wrote to memory of 2396	4084	cmd.exe	88
PID 4084 wrote to memory of 2396	4084	cmd.exe	88
PID 4084 wrote to memory of 2396	4084	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall FiveMods.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall FiveMods.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- 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:3004
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq FiveMods.exe" | %SYSTEMROOT%\System32\find.exe "FiveMods.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4084
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq FiveMods.exe"
      4⤵
      Enumerates processes with tasklist
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2528
  - - C:\Windows\SysWOW64\find.exe
      C:\Windows\System32\find.exe "FiveMods.exe"
      4⤵
      PID:2396

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\nss5A75.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

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C:\Users\Admin\AppData\Local\Temp\nss5A75.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

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C:\Users\Admin\AppData\Local\Temp\nss5A75.tmp\WinShell.dll

Filesize
3KB

MD5
1cc7c37b7e0c8cd8bf04b6cc283e1e56

SHA1
0b9519763be6625bd5abce175dcc59c96d100d4c

SHA256
9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

SHA512
7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

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C:\Users\Admin\AppData\Local\Temp\nss5A75.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
167KB

MD5
d19a6626655b6d464d27c41feb2fe9c3

SHA1
5e6fd52e084bb037a84786714fcc79dc4a418a39

SHA256
a12a3ae27b2977414aac65bc211779154ac050f31d6189e98402d97eaad61692

SHA512
dd7c2dc07531ae5f2d8939acbd052b0a66a40d43a76a6beef1f4b0b7359419d602eb49dd1ca77a5d4750f661af195934f7a8b988b61ace4f4fde207bf27c0302

Download Submit