upatre | 09dd3dd351d141f2ab607a9303cb00bbdf1a16521f5b64310fd6f560789231d3

Analysis

max time kernel
151s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-12-2023 19:35

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General

Target

85d63b0ab6a7fc9894b73d64e95a53e7.exe
Size

13KB
MD5

85d63b0ab6a7fc9894b73d64e95a53e7
SHA1

f53ff9fa9faa13f23c5706635aa4a3816aba81c9
SHA256

09dd3dd351d141f2ab607a9303cb00bbdf1a16521f5b64310fd6f560789231d3
SHA512

63074c122527d81c99f2089455775f4c82d2e708a1638198febd7de98425881f33d469f993b66312f328a2eb7636a1ab58385eb03389dbd1d6a198cf809e7bb5
SSDEEP

384:6K+dKfzQHxFxRmyja4QhiP7UlY/pjKkFlplVDuyUyGyylqyylQ:v+dAURFxna4QAPQlYgkFlplVDuyUyGy4

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre
Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid process

2216 szgfw.exe
Loads dropped DLL 2 IoCs

Processes:

85d63b0ab6a7fc9894b73d64e95a53e7.exe

pid process

2132 85d63b0ab6a7fc9894b73d64e95a53e7.exe
2132 85d63b0ab6a7fc9894b73d64e95a53e7.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2216	szgfw.exe

pid	process
2132	85d63b0ab6a7fc9894b73d64e95a53e7.exe
2132	85d63b0ab6a7fc9894b73d64e95a53e7.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

85d63b0ab6a7fc9894b73d64e95a53e7.exe

description	pid	process	target process
PID 2132 wrote to memory of 2216	2132	85d63b0ab6a7fc9894b73d64e95a53e7.exe	szgfw.exe
PID 2132 wrote to memory of 2216	2132	85d63b0ab6a7fc9894b73d64e95a53e7.exe	szgfw.exe
PID 2132 wrote to memory of 2216	2132	85d63b0ab6a7fc9894b73d64e95a53e7.exe	szgfw.exe
PID 2132 wrote to memory of 2216	2132	85d63b0ab6a7fc9894b73d64e95a53e7.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\85d63b0ab6a7fc9894b73d64e95a53e7.exe
"C:\Users\Admin\AppData\Local\Temp\85d63b0ab6a7fc9894b73d64e95a53e7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2132

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
2⤵
- Executes dropped EXE
PID:2216

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\szgfw.exe
Filesize
13KB

MD5
28614a3666c4fb3e99e7094d925ae7de

SHA1
a6df6df11bc9d4835abdf992bb5a70abb28203fb

SHA256
3343282e175151c23064a970d828cde06051d32b7fe2d692227eb3e297ec91bb

SHA512
dce25a09d01cb4f94fa78b9f3ef9c2d1d07d6da3a5277226caf7419213c5c655b668dc921546cd83fd09606ae0b4c1dd6613321df0798efc36818356faac8dc7

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