498113b29a64ee2857837b4454259540743a793a74514ffd8b356ab7a5a868df

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/01/2024, 17:44

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General

Target

MainInstaller.exe
Size

531KB
MD5

9ce448dcd7cf13dd950725957361bdff
SHA1

5831ff31825ea82d90a2989e0fc0a33b859d5f97
SHA256

3dbc5aff076ef9c86a90ad30e963581f7cb22f8e212aa38db29d82cf45b73f80
SHA512

b4a175da3677cd3380cb3789f281f2afb10aa00dc9592217062d66eb9b5e73805886b692975d7244cdd439d8d5bcd0eb5810533284ba4b13ff02a20b792bf74f
SSDEEP

12288:z/8Ze69hm2S17Y/bv9VXXLVS+n28L6OdBCZrrf3xSEowuj6ZQM7gMWZQkN:zihc17YpVE+PGsB03xSEowuj6ZQM71WD

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2656	Setup.exe

Loads dropped DLL 2 IoCs

pid	Process
2644	MainInstaller.exe
2656	Setup.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral13/files/0x000f00000001223e-2.dat	nsis_installer_1
behavioral13/files/0x000f00000001223e-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2656	Setup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2656	2644	MainInstaller.exe	28
PID 2644 wrote to memory of 2656	2644	MainInstaller.exe	28
PID 2644 wrote to memory of 2656	2644	MainInstaller.exe	28
PID 2644 wrote to memory of 2656	2644	MainInstaller.exe	28
PID 2644 wrote to memory of 2656	2644	MainInstaller.exe	28
PID 2644 wrote to memory of 2656	2644	MainInstaller.exe	28
PID 2644 wrote to memory of 2656	2644	MainInstaller.exe	28

C:\Users\Admin\AppData\Local\Temp\MainInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\MainInstaller.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  C:\Users\Admin\AppData\Local\Temp\Setup.exe /PID=0 /NOTIFY=0 /FFR=1 /FFP=1
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2656

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\nsd5FEC.tmp\ioSpecial.ini

Filesize
402B

MD5
fb31ef5f0a20bd6f36eef3bbd9d9316b

SHA1
61c2b513218a57909685260be62f2eecd1d54c0b

SHA256
2942adbc068626426729083fba319ca21bfb19f070ab87c8d7aadcd492a2990b

SHA512
3f6cf2ed1beb42d0addc5fbdf6d5b6fc8c427a53c8f594d31690473d05338830a061256bf1e530d5f07dd4e9d8ce99eb0e02701ec6c6f16e42f05d648a5d53cf

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C:\Users\Admin\AppData\Local\Temp\nsd5FEC.tmp\ioSpecial.ini

Filesize
707B

MD5
4ef0924103c47c3b80f8053485b577e9

SHA1
7ba74e81f731fc71d7cd050a3cd30ccaca097d23

SHA256
d88c6677bf7ef4e1a9b13d3231ad4d6b5bc42499a85a72a5288741845af903cb

SHA512
908029463e9fbb9e0ebeaec6523004f5e8a3853851a23508f8f11c36ac0fe3c1464a20f78f437a510f63dc0266d6834db36f3dc9daa3318e231ddb51c6ca2387

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C:\Users\Admin\AppData\Local\Temp\nsd5FEC.tmp\ioSpecial.ini

Filesize
707B

MD5
a22647c14fb53b12ccec17b78a486e57

SHA1
8c5f96d5cf2cdf80c596ea3b0c71c8bbdaa6eb5c

SHA256
54d4bf1eaf90e4f358a55af1cda82e7726e0990050e0df14a133af2bb3638493

SHA512
550dbd150c775c3facbdc16ab3b6ca66e4b2ad269ef1772de71cab51042b014bfbe6f3f2cc4f0e10146a4b91bec28ef443d75b1219024a5902b2b1faf20df83c

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\Users\Admin\AppData\Local\Temp\Setup.exe

Filesize
505KB

MD5
5d8d0c08384ad73216d52a2eabc064f5

SHA1
0fa5c77fd6b6323b926c9648679e063d1bbc8bcc

SHA256
30522715240f4a05859099ac370dfb516097ab257402981c6a9ad31951f36cce

SHA512
42a3003019e39622082506c7ae50d8a27e2920fdfdf15eb9a8dbf7f1dbd49a02cd0390dabd74c136ed44e9d8ba270540ce9390f31aa84c2fc9fdfcc9e912dd57

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\Users\Admin\AppData\Local\Temp\nsd5FEC.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

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