8e897ded8b0e16fa2120cdf746e820c2b6942f25d23a90fd6d5a1a9155c3e7f7

Analysis

max time kernel
209s
max time network
230s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2023 21:54

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General

Target

Zui---Insiders-Setup-1.3.1-5.exe
Size

137.6MB
MD5

daeb66e1363288bcfdab882299217095
SHA1

a8fb7190057ac6dbb3333ee9075532e182c43496
SHA256

8e897ded8b0e16fa2120cdf746e820c2b6942f25d23a90fd6d5a1a9155c3e7f7
SHA512

e0edeed01a0959fed655f81d2b58a404813fa90aa713c6576b1cbf7dcfe71255682e146edde53876c0f6636f743c606c6705e80a4c13c3ec36cc12ae6f893fc8
SSDEEP

3145728:/f3pza3VJ7Y2Lh2WOSdyclhsJtZUWoNucAOsKMP0a8E1Pqd:3ZzalJVbfgOsKMMPPd

Score

4^/10

Malware Config

Signatures

Loads dropped DLL 6 IoCs

pid	Process
960	Zui---Insiders-Setup-1.3.1-5.exe
960	Zui---Insiders-Setup-1.3.1-5.exe
960	Zui---Insiders-Setup-1.3.1-5.exe
960	Zui---Insiders-Setup-1.3.1-5.exe
960	Zui---Insiders-Setup-1.3.1-5.exe
960	Zui---Insiders-Setup-1.3.1-5.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
3436	tasklist.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
960	Zui---Insiders-Setup-1.3.1-5.exe
960	Zui---Insiders-Setup-1.3.1-5.exe
3436	tasklist.exe
3436	tasklist.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3436	tasklist.exe
Token: SeSecurityPrivilege	960	Zui---Insiders-Setup-1.3.1-5.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 4864	960	Zui---Insiders-Setup-1.3.1-5.exe	95
PID 960 wrote to memory of 4864	960	Zui---Insiders-Setup-1.3.1-5.exe	95
PID 960 wrote to memory of 4864	960	Zui---Insiders-Setup-1.3.1-5.exe	95
PID 4864 wrote to memory of 3436	4864	cmd.exe	97
PID 4864 wrote to memory of 3436	4864	cmd.exe	97
PID 4864 wrote to memory of 3436	4864	cmd.exe	97
PID 4864 wrote to memory of 2216	4864	cmd.exe	98
PID 4864 wrote to memory of 2216	4864	cmd.exe	98
PID 4864 wrote to memory of 2216	4864	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\Zui---Insiders-Setup-1.3.1-5.exe
"C:\Users\Admin\AppData\Local\Temp\Zui---Insiders-Setup-1.3.1-5.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:960
- C:\Windows\SysWOW64\cmd.exe
  cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Zui - Insiders.exe" | %SYSTEMROOT%\System32\find.exe "Zui - Insiders.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4864
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Zui - Insiders.exe"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3436
- - C:\Windows\SysWOW64\find.exe
    C:\Windows\System32\find.exe "Zui - Insiders.exe"
    3⤵
    PID:2216

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\nszDCA0.tmp\7z-out\resources\app.asar.unpacked\zdeps\zeek\share\zeek\base\frameworks\control\__load__.zeek

Filesize
12B

MD5
3a5d84dfe287a54bbaf6a503d3ba50fd

SHA1
4416498587d53cd53fd85bfa9b731f6a4fb35d79

SHA256
0e5a6800e0c4e6cfbae0d4c526a83c777d3b337e9837b9a7899053e9ec1cbaef

SHA512
07fc61938e2efa48c15a573f654854a0155bb16a355d98633b3bbf154c6626d3430010ae69ce42b64b8f166a61730a40b4a7381042d8882f0e3510fb695bb7d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\7z-out\resources\app.asar.unpacked\zdeps\zeek\share\zeek\base\frameworks\dpd\__load__.zeek

Filesize
14B

MD5
8f6f9285d9e7f44bc2e93703240e264f

SHA1
3ba67ee2ad3015d4b1bdf909ea95223779e6faf7

SHA256
2705c851f65a58737b9ebcd36e5229304e37dbc7bb6cc000c21a47b54de5031c

SHA512
3cc4f2db837520006cc4874c68d58d1c32c2abe04fc5712fc788477e0c30ba7fff8ed4add8eea0c257223feba48ef0f6def5ef851b85bb6996dec9b369955f0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\7z-out\resources\app.asar.unpacked\zdeps\zeek\share\zeek\base\protocols\syslog\__load__.zeek

Filesize
28B

MD5
7f4d837e2256586b6769777e18b76d61

SHA1
23f6d67b693a957eb5f00b35020991da1bb11b0b

SHA256
053572523fb5963a8baa19a2ad017cca7f11e3e7cd0c4281db07866bdf3e3198

SHA512
0518a345fc2f542d086bea6e2905ed22dfb34da537cd9145087159d1de30303c3de1319d3b2368068e6152b2a9fb18c57009e93544ce8286ba62e108bfb08a06

Download Submit
C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\UAC.dll

Filesize
14KB

MD5
adb29e6b186daa765dc750128649b63d

SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9

SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

Download Submit
C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\nsDialogs.dll

Filesize
9KB

MD5
466179e1c8ee8a1ff5e4427dbb6c4a01

SHA1
eb607467009074278e4bd50c7eab400e95ae48f7

SHA256
1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172

SHA512
7508a29c722d45297bfb090c8eb49bd1560ef7d4b35413f16a8aed62d3b1030a93d001a09de98c2b9fea9acf062dc99a7278786f4ece222e7436b261d14ca817

Download Submit
C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\nsExec.dll

Filesize
6KB

MD5
ec0504e6b8a11d5aad43b296beeb84b2

SHA1
91b5ce085130c8c7194d66b2439ec9e1c206497c

SHA256
5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

SHA512
3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

Download Submit
C:\Users\Admin\AppData\Local\Temp\nszDCA0.tmp\nsis7z.dll

Filesize
424KB

MD5
80e44ce4895304c6a3a831310fbf8cd0

SHA1
36bd49ae21c460be5753a904b4501f1abca53508

SHA256
b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592

SHA512
c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df

Download Submit