54b7bba0fc0b998427ddd65c88fc8d5d5afe20304d043cd2831c6ca646bce0b0

Analysis

max time kernel
188s
max time network
195s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-05-2022 23:46

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General

Target

54b7bba0fc0b998427ddd65c88fc8d5d5afe20304d043cd2831c6ca646bce0b0.exe
Size

124KB
MD5

ea8358576152f09c0ea641691ec51e09
SHA1

295076b9d5152fadd9a88b2933615e2d58b9f501
SHA256

54b7bba0fc0b998427ddd65c88fc8d5d5afe20304d043cd2831c6ca646bce0b0
SHA512

39268cef0ae11605d357f5c6053bd1f50e169b8e704a76e71c0cec088362b16e3b8ead4c0ae5191618a22475727f1011549389132df74575e3c0190bc65f502b

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2332	tmp.exe

Loads dropped DLL 1 IoCs

pid	Process
2300	54b7bba0fc0b998427ddd65c88fc8d5d5afe20304d043cd2831c6ca646bce0b0.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2332	2300	54b7bba0fc0b998427ddd65c88fc8d5d5afe20304d043cd2831c6ca646bce0b0.exe	80
PID 2300 wrote to memory of 2332	2300	54b7bba0fc0b998427ddd65c88fc8d5d5afe20304d043cd2831c6ca646bce0b0.exe	80
PID 2300 wrote to memory of 2332	2300	54b7bba0fc0b998427ddd65c88fc8d5d5afe20304d043cd2831c6ca646bce0b0.exe	80

C:\Users\Admin\AppData\Local\Temp\54b7bba0fc0b998427ddd65c88fc8d5d5afe20304d043cd2831c6ca646bce0b0.exe
"C:\Users\Admin\AppData\Local\Temp\54b7bba0fc0b998427ddd65c88fc8d5d5afe20304d043cd2831c6ca646bce0b0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp.exe
  2⤵
  - Executes dropped EXE
  PID:2332

Network

MITRE ATT&CK Enterprise v6

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\nsz131B.tmp\System.dll

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp.exe

Filesize
120KB

MD5
5c509d1af9a1e914c2f44f725b391afb

SHA1
e53a38c381e40a02867d280a7363e8becca5a6c3

SHA256
44e5ab9cd8b8c02f5c28871cb59c5beb1106e4159e5d4b6aa591335e1b4c6b2f

SHA512
60dc5a4ac44dcc6ad5610c1358afd0d3c01d40d6ffce76b61034212c3c1d557ef91d76f756ceccc44dea7c7d00441296b6aa240954f40100dfecaa1aa95fcfe8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp.exe

Filesize
120KB

MD5
5c509d1af9a1e914c2f44f725b391afb

SHA1
e53a38c381e40a02867d280a7363e8becca5a6c3

SHA256
44e5ab9cd8b8c02f5c28871cb59c5beb1106e4159e5d4b6aa591335e1b4c6b2f

SHA512
60dc5a4ac44dcc6ad5610c1358afd0d3c01d40d6ffce76b61034212c3c1d557ef91d76f756ceccc44dea7c7d00441296b6aa240954f40100dfecaa1aa95fcfe8

Download Submit