upatre | 1d8dca13d26cc8cdb4d463bfef8844341924dbffe556e573f30ef5bfd01692bf

Analysis

max time kernel
153s
max time network
10s
platform
windows7_x64
resource
win7v20210408
submitted
09-05-2021 15:59

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General

Target

1d8dca13d26cc8cdb4d463bfef8844341924dbffe556e573f30ef5bfd01692bf.exe
Size

37KB
MD5

e78fb687164911c5d5286a1c2b6b37d6
SHA1

f4d4b53ab351105ba59f02ca95cd4dd87366048c
SHA256

1d8dca13d26cc8cdb4d463bfef8844341924dbffe556e573f30ef5bfd01692bf
SHA512

c2c22cdba07c8ca2bd1fbcedd0e3cd304c5508d814316c13d5cf3c581df98cd6799bcb01ee211473cb3619d4faea2abba35168a31fd9805ffcc925da387803ca

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1500	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
684	1d8dca13d26cc8cdb4d463bfef8844341924dbffe556e573f30ef5bfd01692bf.exe
684	1d8dca13d26cc8cdb4d463bfef8844341924dbffe556e573f30ef5bfd01692bf.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 684 wrote to memory of 1500	684	1d8dca13d26cc8cdb4d463bfef8844341924dbffe556e573f30ef5bfd01692bf.exe	29
PID 684 wrote to memory of 1500	684	1d8dca13d26cc8cdb4d463bfef8844341924dbffe556e573f30ef5bfd01692bf.exe	29
PID 684 wrote to memory of 1500	684	1d8dca13d26cc8cdb4d463bfef8844341924dbffe556e573f30ef5bfd01692bf.exe	29
PID 684 wrote to memory of 1500	684	1d8dca13d26cc8cdb4d463bfef8844341924dbffe556e573f30ef5bfd01692bf.exe	29

C:\Users\Admin\AppData\Local\Temp\1d8dca13d26cc8cdb4d463bfef8844341924dbffe556e573f30ef5bfd01692bf.exe
"C:\Users\Admin\AppData\Local\Temp\1d8dca13d26cc8cdb4d463bfef8844341924dbffe556e573f30ef5bfd01692bf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:684
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1500

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/684-60-0x0000000075C71000-0x0000000075C73000-memory.dmp

Filesize
8KB

Download
memory/684-61-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

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