9716bce872dd15b94f5ad13eed3ed7496dcbca18e409660e7e78f3c4dcc2395a

General

Target

Zui Setup 1.3.0.exe
Size

137.5MB
MD5

a72a46db12083835141589d9c94d78d0
SHA1

c2f64c61f38b1e380ef4c215dd12205ba9c0c617
SHA256

9716bce872dd15b94f5ad13eed3ed7496dcbca18e409660e7e78f3c4dcc2395a
SHA512

719c1e4c5e940a2295ea44b0f20198a1055336127c0248e865d161e1950005079824a31de170c1d1417f0cf66483fef90a3b13f2182cde53ba5063fee5d9c9de
SSDEEP

3145728:Eq3pQ63VJ7Y2LcEZN709kMdK5fn7BAQFOzEQSeru:xZQ6lJVz105dqyYOzEuu

Score

4^/10

Malware Config

Signatures

Loads dropped DLL 6 IoCs

Processes:

Zui Setup 1.3.0.exe

pid process

2068 Zui Setup 1.3.0.exe
2068 Zui Setup 1.3.0.exe
2068 Zui Setup 1.3.0.exe
2068 Zui Setup 1.3.0.exe
2068 Zui Setup 1.3.0.exe
2068 Zui Setup 1.3.0.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

Processes:

tasklist.exe

pid process

2524 tasklist.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Zui Setup 1.3.0.exetasklist.exe

pid process

2068 Zui Setup 1.3.0.exe
2524 tasklist.exe
2524 tasklist.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Zui Setup 1.3.0.exe

pid process

2068 Zui Setup 1.3.0.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tasklist.exeZui Setup 1.3.0.exe

description pid process

Token: SeDebugPrivilege 2524 tasklist.exe
Token: SeSecurityPrivilege 2068 Zui Setup 1.3.0.exe

pid	process
2068	Zui Setup 1.3.0.exe
2068	Zui Setup 1.3.0.exe
2068	Zui Setup 1.3.0.exe
2068	Zui Setup 1.3.0.exe
2068	Zui Setup 1.3.0.exe
2068	Zui Setup 1.3.0.exe

pid	process
2524	tasklist.exe

pid	process
2068	Zui Setup 1.3.0.exe
2524	tasklist.exe
2524	tasklist.exe

pid	process
2068	Zui Setup 1.3.0.exe

description	pid	process
Token: SeDebugPrivilege	2524	tasklist.exe
Token: SeSecurityPrivilege	2068	Zui Setup 1.3.0.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Zui Setup 1.3.0.execmd.exe

description	pid	process	target process
PID 2068 wrote to memory of 2756	2068	Zui Setup 1.3.0.exe	cmd.exe
PID 2068 wrote to memory of 2756	2068	Zui Setup 1.3.0.exe	cmd.exe
PID 2068 wrote to memory of 2756	2068	Zui Setup 1.3.0.exe	cmd.exe
PID 2068 wrote to memory of 2756	2068	Zui Setup 1.3.0.exe	cmd.exe
PID 2756 wrote to memory of 2524	2756	cmd.exe	tasklist.exe
PID 2756 wrote to memory of 2524	2756	cmd.exe	tasklist.exe
PID 2756 wrote to memory of 2524	2756	cmd.exe	tasklist.exe
PID 2756 wrote to memory of 2524	2756	cmd.exe	tasklist.exe
PID 2756 wrote to memory of 2544	2756	cmd.exe	find.exe
PID 2756 wrote to memory of 2544	2756	cmd.exe	find.exe
PID 2756 wrote to memory of 2544	2756	cmd.exe	find.exe
PID 2756 wrote to memory of 2544	2756	cmd.exe	find.exe

C:\Users\Admin\AppData\Local\Temp\Zui Setup 1.3.0.exe
"C:\Users\Admin\AppData\Local\Temp\Zui Setup 1.3.0.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2068

C:\Windows\SysWOW64\cmd.exe
cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Zui.exe" | %SYSTEMROOT%\System32\find.exe "Zui.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2756

C:\Windows\SysWOW64\tasklist.exe
tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Zui.exe"
3⤵
- Enumerates processes with tasklist
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2524

C:\Windows\SysWOW64\find.exe
C:\Windows\System32\find.exe "Zui.exe"
3⤵
PID:2544

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Process Discovery

1

T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nstF854.tmp\StdUtils.dll
Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
\Users\Admin\AppData\Local\Temp\nstF854.tmp\StdUtils.dll
Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

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\Users\Admin\AppData\Local\Temp\nstF854.tmp\System.dll
Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

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\Users\Admin\AppData\Local\Temp\nstF854.tmp\UAC.dll
Filesize
14KB

MD5
adb29e6b186daa765dc750128649b63d

SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9

SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

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\Users\Admin\AppData\Local\Temp\nstF854.tmp\nsDialogs.dll
Filesize
9KB

MD5
466179e1c8ee8a1ff5e4427dbb6c4a01

SHA1
eb607467009074278e4bd50c7eab400e95ae48f7

SHA256
1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172

SHA512
7508a29c722d45297bfb090c8eb49bd1560ef7d4b35413f16a8aed62d3b1030a93d001a09de98c2b9fea9acf062dc99a7278786f4ece222e7436b261d14ca817

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\Users\Admin\AppData\Local\Temp\nstF854.tmp\nsExec.dll
Filesize
6KB

MD5
ec0504e6b8a11d5aad43b296beeb84b2

SHA1
91b5ce085130c8c7194d66b2439ec9e1c206497c

SHA256
5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

SHA512
3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

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\Users\Admin\AppData\Local\Temp\nstF854.tmp\nsis7z.dll
Filesize
424KB

MD5
80e44ce4895304c6a3a831310fbf8cd0

SHA1
36bd49ae21c460be5753a904b4501f1abca53508

SHA256
b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592

SHA512
c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df

Download Submit

Analysis

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