upatre | e658d7bd1f6ae7c0760634411f531045adcbca286c65c061805c735a228503e5

Analysis

max time kernel
152s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
08-11-2022 03:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e658d7bd1f6ae7c0760634411f531045adcbca286c65c061805c735a228503e5.exe
Size

93KB
MD5

aa658cad4ad9f430f3f191f5ff1ef20a
SHA1

b3c6e424ed6ae70742e229f33b1754f57a7d6a4d
SHA256

e658d7bd1f6ae7c0760634411f531045adcbca286c65c061805c735a228503e5
SHA512

e7ad39ac4bbcf58edd3938a94bb6c8ca1e75401212c8d72d727d924eca4d773ea41abe3d890833b451c21442d6c9d1e1a14f0eb307eb3b58b2ce1cc938bd336d
SSDEEP

1536:iY9jw/dUT62rGdiUOWWrMu8i8N8tz8b8XtP8XtH8Xtg9:iY9CUT62/UOVMu8i8N898b8XN8X98XG9

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1492	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1944	e658d7bd1f6ae7c0760634411f531045adcbca286c65c061805c735a228503e5.exe
1944	e658d7bd1f6ae7c0760634411f531045adcbca286c65c061805c735a228503e5.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 1944 wrote to memory of 1492	1944	e658d7bd1f6ae7c0760634411f531045adcbca286c65c061805c735a228503e5.exe	27
PID 1944 wrote to memory of 1492	1944	e658d7bd1f6ae7c0760634411f531045adcbca286c65c061805c735a228503e5.exe	27
PID 1944 wrote to memory of 1492	1944	e658d7bd1f6ae7c0760634411f531045adcbca286c65c061805c735a228503e5.exe	27
PID 1944 wrote to memory of 1492	1944	e658d7bd1f6ae7c0760634411f531045adcbca286c65c061805c735a228503e5.exe	27

C:\Users\Admin\AppData\Local\Temp\e658d7bd1f6ae7c0760634411f531045adcbca286c65c061805c735a228503e5.exe
"C:\Users\Admin\AppData\Local\Temp\e658d7bd1f6ae7c0760634411f531045adcbca286c65c061805c735a228503e5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1492

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
93KB

MD5
664d465fc768c6cbd0b04a4e58aaab05

SHA1
89c711934eec0e35e9b56856caef6f445b1d2c26

SHA256
36dc935e0825c1f2a11262a8af811cb1cfee87733f004811ff1d15b87f10b3da

SHA512
4f2f82d924e3ddafb5ae1b289e3b1199af02d409f628f05ddfd598e5ec02d9267e686540e568e061ce654926ad11e8437a96d54f73ed2a457f51ab712c9f3a59

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

Filesize
93KB

MD5
664d465fc768c6cbd0b04a4e58aaab05

SHA1
89c711934eec0e35e9b56856caef6f445b1d2c26

SHA256
36dc935e0825c1f2a11262a8af811cb1cfee87733f004811ff1d15b87f10b3da

SHA512
4f2f82d924e3ddafb5ae1b289e3b1199af02d409f628f05ddfd598e5ec02d9267e686540e568e061ce654926ad11e8437a96d54f73ed2a457f51ab712c9f3a59

Download Submit
\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
93KB

MD5
664d465fc768c6cbd0b04a4e58aaab05

SHA1
89c711934eec0e35e9b56856caef6f445b1d2c26

SHA256
36dc935e0825c1f2a11262a8af811cb1cfee87733f004811ff1d15b87f10b3da

SHA512
4f2f82d924e3ddafb5ae1b289e3b1199af02d409f628f05ddfd598e5ec02d9267e686540e568e061ce654926ad11e8437a96d54f73ed2a457f51ab712c9f3a59

Download Submit
\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
93KB

MD5
664d465fc768c6cbd0b04a4e58aaab05

SHA1
89c711934eec0e35e9b56856caef6f445b1d2c26

SHA256
36dc935e0825c1f2a11262a8af811cb1cfee87733f004811ff1d15b87f10b3da

SHA512
4f2f82d924e3ddafb5ae1b289e3b1199af02d409f628f05ddfd598e5ec02d9267e686540e568e061ce654926ad11e8437a96d54f73ed2a457f51ab712c9f3a59

Download Submit
memory/1944-54-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download