572a570bfbd6673cf69702aa278d5bd676c3eac5b0c7bfe40f9e21f5b7878ae6

Resubmissions

14/10/2023, 19:08

231014-xtafqagd67 9

14/10/2023, 09:34

231014-ljwenabg2t 7

07/10/2023, 01:02

231007-bdzvsagf4z 9

Analysis

max time kernel
320s
max time network
373s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2023, 09:34

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General

Target

SephioneInstallerx64.exe
Size

67.6MB
MD5

742066e6d7103fa65e2af4db9063db3d
SHA1

3fe605e0a6260d4442e7b67663624cd6b4525636
SHA256

2cd9a6de7cabf360187ad8fc4163e10be7bcf4bbd768f8db635cc57438385352
SHA512

a9f7cab452cd1106884150e4d494fa684dda9931e2d448559158de979d8b134cf83f3603e9e0bf0a41b72e16bece6a421645b0d01a31375f4a91d7c1196e965f
SSDEEP

1572864:jhF1s9gK1YPHnrgsOu/Yy/KAtkui9bTBBfTzy4:jhF1s6oXyyAtviRPy4

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 5 IoCs

pid	Process
2152	SephioneInstallerx64.exe
2152	SephioneInstallerx64.exe
2152	SephioneInstallerx64.exe
2152	SephioneInstallerx64.exe
2152	SephioneInstallerx64.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
3728	tasklist.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2152	SephioneInstallerx64.exe
2152	SephioneInstallerx64.exe
3728	tasklist.exe
3728	tasklist.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3728	tasklist.exe
Token: SeSecurityPrivilege	2152	SephioneInstallerx64.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 3748	2152	SephioneInstallerx64.exe	92
PID 2152 wrote to memory of 3748	2152	SephioneInstallerx64.exe	92
PID 2152 wrote to memory of 3748	2152	SephioneInstallerx64.exe	92
PID 3748 wrote to memory of 3728	3748	cmd.exe	94
PID 3748 wrote to memory of 3728	3748	cmd.exe	94
PID 3748 wrote to memory of 3728	3748	cmd.exe	94
PID 3748 wrote to memory of 4988	3748	cmd.exe	95
PID 3748 wrote to memory of 4988	3748	cmd.exe	95
PID 3748 wrote to memory of 4988	3748	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\SephioneInstallerx64.exe
"C:\Users\Admin\AppData\Local\Temp\SephioneInstallerx64.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\SysWOW64\cmd.exe
  cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Setup_.exe" | %SYSTEMROOT%\System32\find.exe "Setup_.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3748
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Setup_.exe"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3728
- - C:\Windows\SysWOW64\find.exe
    C:\Windows\System32\find.exe "Setup_.exe"
    3⤵
    PID:4988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

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\nsq3297.tmp\SpiderBanner.dll

Filesize
9KB

MD5
17309e33b596ba3a5693b4d3e85cf8d7

SHA1
7d361836cf53df42021c7f2b148aec9458818c01

SHA256
996a259e53ca18b89ec36d038c40148957c978c0fd600a268497d4c92f882a93

SHA512
1abac3ce4f2d5e4a635162e16cf9125e059ba1539f70086c2d71cd00d41a6e2a54d468e6f37792e55a822d7082fb388b8dfecc79b59226bbb047b7d28d44d298

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsq3297.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsq3297.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsq3297.tmp\nsExec.dll

Filesize
6KB

MD5
ec0504e6b8a11d5aad43b296beeb84b2

SHA1
91b5ce085130c8c7194d66b2439ec9e1c206497c

SHA256
5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

SHA512
3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsq3297.tmp\nsis7z.dll

Filesize
424KB

MD5
80e44ce4895304c6a3a831310fbf8cd0

SHA1
36bd49ae21c460be5753a904b4501f1abca53508

SHA256
b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592

SHA512
c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df

Download Submit