upatre | 5815b7ca03933a7c4cbe4b5e3c4d9bcfdf2944efeb90d8f0d70c20ba7df2de4f

Analysis

max time kernel
150s
max time network
145s
platform
windows7_x64
resource
win7v20210410
submitted
05-05-2021 00:04

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General

Target

5815b7ca03933a7c4cbe4b5e3c4d9bcfdf2944efeb90d8f0d70c20ba7df2de4f.exe
Size

34KB
MD5

d553e14e849b57a0415b6cbcabe67e32
SHA1

53920a857238e76446873365bffdbfe241c74fbc
SHA256

5815b7ca03933a7c4cbe4b5e3c4d9bcfdf2944efeb90d8f0d70c20ba7df2de4f
SHA512

2b5a5529db712e4729930b86f0de049627207ce261a146d6bd679a9627b7e0090709dbab8fbaac7f9300e6e56a53dc3f9c15336c006bb0452a6eba15e1b39921

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1408	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1088	5815b7ca03933a7c4cbe4b5e3c4d9bcfdf2944efeb90d8f0d70c20ba7df2de4f.exe
1088	5815b7ca03933a7c4cbe4b5e3c4d9bcfdf2944efeb90d8f0d70c20ba7df2de4f.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 4 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1408	1088	5815b7ca03933a7c4cbe4b5e3c4d9bcfdf2944efeb90d8f0d70c20ba7df2de4f.exe	29
PID 1088 wrote to memory of 1408	1088	5815b7ca03933a7c4cbe4b5e3c4d9bcfdf2944efeb90d8f0d70c20ba7df2de4f.exe	29
PID 1088 wrote to memory of 1408	1088	5815b7ca03933a7c4cbe4b5e3c4d9bcfdf2944efeb90d8f0d70c20ba7df2de4f.exe	29
PID 1088 wrote to memory of 1408	1088	5815b7ca03933a7c4cbe4b5e3c4d9bcfdf2944efeb90d8f0d70c20ba7df2de4f.exe	29

C:\Users\Admin\AppData\Local\Temp\5815b7ca03933a7c4cbe4b5e3c4d9bcfdf2944efeb90d8f0d70c20ba7df2de4f.exe
"C:\Users\Admin\AppData\Local\Temp\5815b7ca03933a7c4cbe4b5e3c4d9bcfdf2944efeb90d8f0d70c20ba7df2de4f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1408

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

memory/1088-59-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1088-65-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download