2064f93a1a6177c68c6d2c50c8fdaf26d1b3b62650aca9bc20bad8121d55367f

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 21:07

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General

Target
3cc606fe81fc547459587cc217b3ea6c.exe
Size 388KB
Sample231225-zyfveacdbk
SHA256 2064f93a1a6177c68c6d2c50c8fdaf26d1b3b62650aca9bc20bad8121d55367f
MD5 3cc606fe81fc547459587cc217b3ea6c
SHA1 d631f8b6349bcd96ad179d5ef1eb106659623e5e
SHA512 634868c0abb9ff1dcce2f8c96651da11fd29dfa4a8c170601e4ef048f55f9614d54ec979b18c535b9d3b51479fdc4a87c8b47a64d57d132fe6b942685b9c0104
SSDEEP 6144:KQ3/9nM3DoFFjuvf/toNQ8dqLuJoU0U7Hd8CntQOHHM+HFFTjXdpNnT2wdQ3/nQd:X9nM3D0Fw/tN8dkmLtpHHHrh7kC1
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3856	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
3856	Au_.exe
3856	Au_.exe
3856	Au_.exe

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

System Information Discovery
T1082

NSIS installer 4 IoCs

installer

resource	yara_rule
behavioral2/files/0x000700000002324a-4.dat	nsis_installer_1
behavioral2/files/0x000700000002324a-4.dat	nsis_installer_2
behavioral2/files/0x000700000002324a-3.dat	nsis_installer_1
behavioral2/files/0x000700000002324a-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 3856	1172	3cc606fe81fc547459587cc217b3ea6c.exe	23
PID 1172 wrote to memory of 3856	1172	3cc606fe81fc547459587cc217b3ea6c.exe	23
PID 1172 wrote to memory of 3856	1172	3cc606fe81fc547459587cc217b3ea6c.exe	23

C:\Users\Admin\AppData\Local\Temp\3cc606fe81fc547459587cc217b3ea6c.exe
"C:\Users\Admin\AppData\Local\Temp\3cc606fe81fc547459587cc217b3ea6c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3856

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

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsx595C.tmp\System.dll
Size 10KB
SHA256 9bb31f7f02231e3166bf52385d804c06da9740e9c6f0bda807b01052ae9fdcd4
MD5 7fbda5b7be6256996d4e59e5f6949918
SHA1 2d36c0e0bfbe450675c6ed044e715abaa85a252a
SHA512 bc0d36aa6f50041bad05cf48d909ed5a387bff5b111f657591161a288c1be5c20b8c5d69e557b5ea395726d91601b9e6303da81555e053090cfcbf5d44be7f82
SSDEEP 192:cR9jFtTLkreShqlyXMUspRRFtvD4feuy9mt2h8pGfhn9:crjy+2MFmfeuyaG5n9
MD5 SHA1 SHA512 SSDEEP

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nsDialogs.dll

Path C:\Users\Admin\AppData\Local\Temp\nsx595C.tmp\nsDialogs.dll
Size 9KB
SHA256 ed575c8bddf21cc6d689646ecfdeafe356e0f9945a282eda79f3b636b77a4453
MD5 ef2ba370973a3f8aba1533cb3858921b
SHA1 c2211408f29a46fc26198cddf411694c0e7e0eb8
SHA512 07aac20904fb164ba91b7c619b674d5e0f4d1ec8ba03fbd7e123ef53ff4b134278e01964fb81dfcc2905b760c572a7e13c87114bdb279f1d26632ebe71c628ba
SSDEEP 192:y9Af1alNDVyAI+MU3MrHH3Km31PqTE7x:aColNQ5WQ6mFPqTE7
MD5 SHA1 SHA512 SSDEEP

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Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 140KB
SHA256 9215f62df6ae9eaf6d9971a543a9a9bf1fec54e95936fea6d7b67da85262eaa2
MD5 0a2ff7a4da63099d553d74e7fc639ab7
SHA1 b01c3f1e15e1b7c05ce94d85ffd45bf6ae1e7f5a
SHA512 3f68498cd3f51115a34f2433a45042447cca5e44bb02175168894d5340329a9c48bceacbb12e1c8945e055684409af35ae02d2697098efd2c7f479ae7a5edfba
SSDEEP 3072:qn3AcILRBSCpr59n9GOewGBoFWEPYAjuxpyI3vtsuUp6aR:KQ3/9nM3DoFFjuvf/toNR
MD5 SHA1 SHA512 SSDEEP

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Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 57KB
SHA256 54287bd7ca5d193b44b921887e8d4cc0cdb24d8bbab44a5056c52765daa13d31
MD5 1ef91a7a42688b7fc378860e9196197b
SHA1 c7bb94a99debf6e5209aa3d4051b84edae65d0eb
SHA512 64e670836a90a9f0e61c92128357d9b8ce977fa4bee4bdb29a82f1f6705932e9f16c2c9695cf2de8097212b6fb8f0364cb0f13c6e0592ea6f1903c16918041b5
SSDEEP 768:XcA6fnsOkMIc9uTXg8jyWPeXUAPkkFB65LZ7PBSbupBku4qDUWG/orGIwSNz:GfnsOk/cIDnj8F/oBSbupq+DdOorGYz
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads