b2ecc324f4b94e48fb4af1edadb2f505e229783576dc79ef0444c93a7eef27e3

Analysis

max time kernel
163s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 03:46

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General

Target

rc270.exe
Size

2.6MB
MD5

15703fd23846809513a3765f83ee1407
SHA1

e48b007f0596fc8dfc7a00b698e80fcb75245331
SHA256

a2ce462d9f7a7fe8e40f0073697cc4b34ea5d92e0a80cf7b2ef23bd9105f9156
SHA512

98e763c6f5ad424cb22d8423604ef2ced5e9317063c8957f1cb088c3dc5733381a33811aa62c6c3bb116e17bdf32976c871e611cb02f29c2d4bd2f296a63563b
SSDEEP

49152:f/+/hbb15HXn14QDAp8QUW/y2BSBawwE18+907hRPJIDRhpJaRS:uJbZ5HjDZGSBaZ7W075Cta8

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
644	is-9K8LL.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 3336 wrote to memory of 644	3336	rc270.exe	93
PID 3336 wrote to memory of 644	3336	rc270.exe	93
PID 3336 wrote to memory of 644	3336	rc270.exe	93

C:\Users\Admin\AppData\Local\Temp\rc270.exe
"C:\Users\Admin\AppData\Local\Temp\rc270.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3336
- C:\Users\Admin\AppData\Local\Temp\is-2OT81.tmp\is-9K8LL.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-2OT81.tmp\is-9K8LL.tmp" /SL4 $501D6 C:\Users\Admin\AppData\Local\Temp\rc270.exe 2502286 51200
  2⤵
  - Executes dropped EXE
  PID:644

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-2OT81.tmp\is-9K8LL.tmp

Filesize
173KB

MD5
d45931c1b6bf3e6fb2c610a9d75d3aca

SHA1
37e998f326c7b24327199f1dc2f24579751ba90b

SHA256
77abf1005714a228af32bb2b07f7b32eb157b0a92cadf0b83da3697273bc9136

SHA512
3894b0bdaba2dddeba1fbf14e3449fdd2a421074918312e964af7732da257b0345f917ae3d4b2148503b9fa1e4a88226736ad60ae9ccd578e91963ae2d818f1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2OT81.tmp\is-9K8LL.tmp

Filesize
237KB

MD5
ebef694b86c5311a3b3de72549204a18

SHA1
cea899e245b0e2732a1b709aaa72654ea322762f

SHA256
3b578cead107a12a61e8701994ea57a193ef3253b356aba051083cf23e3882bb

SHA512
881629aebe0572238b89b153025329620204f7291cad71224ef0e2820ff8e651baa696297aafdf312eab3da82f2b00aa37c1ae4accdfb431d6e953b46977a464

Download Submit
memory/644-7-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/644-12-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/644-15-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/3336-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3336-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3336-11-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download