03351bca89c7d7ea84d830cb33667f7303b54fbbbd075873bf4977731a8a1a7c

Analysis

max time kernel
89s
max time network
104s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
19-06-2024 18:22

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General

Target

$R0/Uninstall CampPinecrest.exe
Size

147KB
MD5

50236c45ea6486601cf3b9e56af242e9
SHA1

c24f274b804fad7fcd963af28a69343c6a91fbe6
SHA256

f4ceabc925fa2d607f4f9684592f356351518669f560d0fb56762b94ad713477
SHA512

2e10fbaba3d1ea4d36a37d716b063a26df60c3e89bd2bfcda4a53aa0bed77b0572c56bb399c43c0a2a927c0a66920befe0a41fb1844fd2f3379ac2f88b6619f9
SSDEEP

3072:Sn77v00hEoDEtauS91P+3XNbMN8p55AHWbaH2tvhOEA1RJCir86SrSrv6Ia3e:S740IWgYWpjA2bs2t0EyL+yaO

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3908	Un_A.exe

Loads dropped DLL 6 IoCs

pid	Process
3908	Un_A.exe
3908	Un_A.exe
3908	Un_A.exe
3908	Un_A.exe
3908	Un_A.exe
3908	Un_A.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3908	Un_A.exe
3908	Un_A.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 3908	3736	Uninstall CampPinecrest.exe	77
PID 3736 wrote to memory of 3908	3736	Uninstall CampPinecrest.exe	77
PID 3736 wrote to memory of 3908	3736	Uninstall CampPinecrest.exe	77

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall CampPinecrest.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall CampPinecrest.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3736
- 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⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:3908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\nsn5A56.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn5A56.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn5A56.tmp\WinShell.dll

Filesize
3KB

MD5
1cc7c37b7e0c8cd8bf04b6cc283e1e56

SHA1
0b9519763be6625bd5abce175dcc59c96d100d4c

SHA256
9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

SHA512
7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn5A56.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
147KB

MD5
50236c45ea6486601cf3b9e56af242e9

SHA1
c24f274b804fad7fcd963af28a69343c6a91fbe6

SHA256
f4ceabc925fa2d607f4f9684592f356351518669f560d0fb56762b94ad713477

SHA512
2e10fbaba3d1ea4d36a37d716b063a26df60c3e89bd2bfcda4a53aa0bed77b0572c56bb399c43c0a2a927c0a66920befe0a41fb1844fd2f3379ac2f88b6619f9

Download Submit