ae9cf395c1822d06516d8a55decbad1471794338f8ff48d041c53f9c21498f66

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20/04/2024, 14:47

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General

Target

zcsy.exe
Size

4.5MB
MD5

e95d9a6573f6ae0d38b0bb9091d1d119
SHA1

78bf33def809cf99bd5406c7a146a2cc40d239dd
SHA256

957efed54ba42b5cff66d694c55530468e3c4ede6c83c3ed5da059d9a0eed0cf
SHA512

e2e19b620a329d456ef182be61bc0b5cf889d7bd732a8332a84072b410d4a98baee95cb8f0a43e8a8eea4ffa89236e64d1f0e7ae1343b48b46ec9d009691134b
SSDEEP

98304:qI4Ypmu2yGz36mpsPWdfnUbRyrvKIlXo13gUTsXbiLy/M:L/mu2yGz3tsPW1U9yrCRLTP6M

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1772	zcsy.tmp

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 1772	3180	zcsy.exe	84
PID 3180 wrote to memory of 1772	3180	zcsy.exe	84
PID 3180 wrote to memory of 1772	3180	zcsy.exe	84

C:\Users\Admin\AppData\Local\Temp\zcsy.exe
"C:\Users\Admin\AppData\Local\Temp\zcsy.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3180
- C:\Users\Admin\AppData\Local\Temp\is-7HA9P.tmp\zcsy.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-7HA9P.tmp\zcsy.tmp" /SL5="$50212,4505502,52224,C:\Users\Admin\AppData\Local\Temp\zcsy.exe"
  2⤵
  - Executes dropped EXE
  PID:1772

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\is-7HA9P.tmp\zcsy.tmp

Filesize
662KB

MD5
b45570ddb00885bfe9e878af91a90564

SHA1
66daf059333962a65735999e99eb868cf9d5e832

SHA256
29fedae831f5b1704e5b53351cd6b8d33a21b7971894a9d0385895d7662e264f

SHA512
84350f30f9372be749fa244190b7d35a02aa2ce1ded9b45d89c29135a384e1170a54ef1af7004836ab9c30770a44f7e085b0cb238786a6d93d7e8cdec993d768

Download Submit
memory/1772-10-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/1772-14-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1772-17-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/3180-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-13-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download