560b03c4ba18e5a443f74a69727db0eabac6f455bb836757d620cc51615a92ea

Analysis

max time kernel
15s
max time network
19s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03-03-2024 03:22

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General

Target

Lunar Client v3.2.3.exe
Size

1.0MB
MD5

0814a485d44ded97e275e8e80f6c17ca
SHA1

69862f6fb82651f3a097fe7554440537ea0f1a90
SHA256

560b03c4ba18e5a443f74a69727db0eabac6f455bb836757d620cc51615a92ea
SHA512

bd9abe5bd35d21bb57be9e757a6e7293f9e71738045fff6b53788e36bd442d1b8af21ea38a528ea0910434cc32ac610fbaf4200a6faf615828f47d8b74987dbd
SSDEEP

24576:s2Oawk0MDhozjDu173pG1szLSvJwnHNiTWQC:MkPDhEjK73pfqvCHH

Score

4^/10

Malware Config

Signatures

Loads dropped DLL 5 IoCs

Processes:

Lunar Client v3.2.3.exe

pid process

2380 Lunar Client v3.2.3.exe
2380 Lunar Client v3.2.3.exe
2380 Lunar Client v3.2.3.exe
2380 Lunar Client v3.2.3.exe
2380 Lunar Client v3.2.3.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

2676 tasklist.exe

pid	process
2380	Lunar Client v3.2.3.exe
2380	Lunar Client v3.2.3.exe
2380	Lunar Client v3.2.3.exe
2380	Lunar Client v3.2.3.exe
2380	Lunar Client v3.2.3.exe

pid	process
2676	tasklist.exe

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

Lunar Client v3.2.3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	Lunar Client v3.2.3.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	Lunar Client v3.2.3.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	Lunar Client v3.2.3.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Lunar Client v3.2.3.exetasklist.exe

pid process

2380 Lunar Client v3.2.3.exe
2676 tasklist.exe
2676 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 2676 tasklist.exe

pid	process
2380	Lunar Client v3.2.3.exe
2676	tasklist.exe
2676	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	2676	tasklist.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Lunar Client v3.2.3.execmd.exe

description	pid	process	target process
PID 2380 wrote to memory of 2540	2380	Lunar Client v3.2.3.exe	cmd.exe
PID 2380 wrote to memory of 2540	2380	Lunar Client v3.2.3.exe	cmd.exe
PID 2380 wrote to memory of 2540	2380	Lunar Client v3.2.3.exe	cmd.exe
PID 2380 wrote to memory of 2540	2380	Lunar Client v3.2.3.exe	cmd.exe
PID 2540 wrote to memory of 2676	2540	cmd.exe	tasklist.exe
PID 2540 wrote to memory of 2676	2540	cmd.exe	tasklist.exe
PID 2540 wrote to memory of 2676	2540	cmd.exe	tasklist.exe
PID 2540 wrote to memory of 2676	2540	cmd.exe	tasklist.exe
PID 2540 wrote to memory of 2108	2540	cmd.exe	find.exe
PID 2540 wrote to memory of 2108	2540	cmd.exe	find.exe
PID 2540 wrote to memory of 2108	2540	cmd.exe	find.exe
PID 2540 wrote to memory of 2108	2540	cmd.exe	find.exe

C:\Users\Admin\AppData\Local\Temp\Lunar Client v3.2.3.exe
"C:\Users\Admin\AppData\Local\Temp\Lunar Client v3.2.3.exe"
1⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2380

C:\Windows\SysWOW64\cmd.exe
cmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Lunar Client.exe" | %SYSTEMROOT%\System32\find.exe "Lunar Client.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2540

C:\Windows\SysWOW64\tasklist.exe
tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Lunar Client.exe"
3⤵
- Enumerates processes with tasklist
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2676

C:\Windows\SysWOW64\find.exe
C:\Windows\System32\find.exe "Lunar Client.exe"
3⤵
PID:2108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar58B4.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\nst452C.tmp\INetC.dll

Filesize
238KB

MD5
38caa11a462b16538e0a3daeb2fc0eaf

SHA1
c22a190b83f4b6dc0d6a44b98eac1a89a78de55c

SHA256
ed04a4823f221e9197b8f3c3da1d6859ff5b176185bde2f1c923a442516c810a

SHA512
777135e05e908ac26bfce0a9c425b57f7132c1cdb0969bbb6ef625748c868860602bacc633c61cab36d0375b94b6bcfbd8bd8c7fa781495ef7332e362f8d44d1

Download Submit
\Users\Admin\AppData\Local\Temp\nst452C.tmp\SpiderBanner.dll

Filesize
9KB

MD5
17309e33b596ba3a5693b4d3e85cf8d7

SHA1
7d361836cf53df42021c7f2b148aec9458818c01

SHA256
996a259e53ca18b89ec36d038c40148957c978c0fd600a268497d4c92f882a93

SHA512
1abac3ce4f2d5e4a635162e16cf9125e059ba1539f70086c2d71cd00d41a6e2a54d468e6f37792e55a822d7082fb388b8dfecc79b59226bbb047b7d28d44d298

Download Submit
\Users\Admin\AppData\Local\Temp\nst452C.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
\Users\Admin\AppData\Local\Temp\nst452C.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
\Users\Admin\AppData\Local\Temp\nst452C.tmp\nsExec.dll

Filesize
6KB

MD5
ec0504e6b8a11d5aad43b296beeb84b2

SHA1
91b5ce085130c8c7194d66b2439ec9e1c206497c

SHA256
5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

SHA512
3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

Download Submit