0744b9bab5d7560a024c0273732c6f0859b9f1962f20579e56c542cbf3a27f62

Analysis

max time kernel
141s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 11:15

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General

Target

cdhelper_skycn.exe
Size

897KB
MD5

b6db1b61fcb5add070f7067a39b6e02e
SHA1

7bb24061b4369ed9b347f031cb779c707c5d8721
SHA256

bc150c044b96ee1e7a25a078c856e906a783145df9c3a9a42b6748f3dd764948
SHA512

d1e829bb5e61911cd55f3ae2fb7ec7d09ba805278057a50a64b4eb66c88a7c8ce8385233547ce2f91231f6ff4fb181f656e55284a4016a959248435e1f6e507c
SSDEEP

24576:Upni/pdxF+7m6EqnQxcrmCZXmV8R8o55D/zLYsa3kY2+mO8F:Ki/pJ9koVk5D/zk13O+mOW

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3392	is-9VUF5.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 3840 wrote to memory of 3392	3840	cdhelper_skycn.exe	50
PID 3840 wrote to memory of 3392	3840	cdhelper_skycn.exe	50
PID 3840 wrote to memory of 3392	3840	cdhelper_skycn.exe	50

C:\Users\Admin\AppData\Local\Temp\cdhelper_skycn.exe
"C:\Users\Admin\AppData\Local\Temp\cdhelper_skycn.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3840
- C:\Users\Admin\AppData\Local\Temp\is-9JB4J.tmp\is-9VUF5.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-9JB4J.tmp\is-9VUF5.tmp" /SL4 $501D8 "C:\Users\Admin\AppData\Local\Temp\cdhelper_skycn.exe" 687249 52224
  2⤵
  - Executes dropped EXE
  PID:3392

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-9JB4J.tmp\is-9VUF5.tmp

Filesize
634KB

MD5
d291acbf9866b8846fe0629e690feb1a

SHA1
293314b11340d798d3c74e2416e2a43f267a25d6

SHA256
ab3e1fa210171e5ed2decc615c9328379ee3d29b55ee0e5d7ef6bece43f583eb

SHA512
320e68a67fdcf13dc25640cf68468abd9e0dc51b647f95277eebbd06c7c5ee298b1f68d4a01deb886979e42cbc3eddf16ac4db18884a96b1535598ba11ba36ed

Download Submit
memory/3392-9-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/3392-13-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/3392-16-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/3840-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3840-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3840-12-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download