upatre | b267170e1d84af062e46ff691e7c3842d3cd0b7768edf6063947bb18c15d342b

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 00:31

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General

Target

b267170e1d84af062e46ff691e7c3842d3cd0b7768edf6063947bb18c15d342b.exe
Size

101KB
MD5

0018adba5cd6033f12d05efa6d8bd05e
SHA1

74d16552056dd36791295db0d7a40748b2fa000e
SHA256

b267170e1d84af062e46ff691e7c3842d3cd0b7768edf6063947bb18c15d342b
SHA512

1e638e36273113f53808f87c19892caf511f3873b1bf87747a96bf8005a5431b83767d077fc68ceb0dbcadb387e5694f10eafd0efc5b8c604b4dd018a17695f3
SSDEEP

1536:iY9jw/dUT62rGdiUOWWrMu8i8N8tz8b8XtP8XtH8XtgUm2PmsZwGMaa:iY9CUT62/UOVMu8i8N898b8XN8X98XGj

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	b267170e1d84af062e46ff691e7c3842d3cd0b7768edf6063947bb18c15d342b.exe

Executes dropped EXE 1 IoCs

pid	Process
5112	szgfw.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 5112	844	b267170e1d84af062e46ff691e7c3842d3cd0b7768edf6063947bb18c15d342b.exe	96
PID 844 wrote to memory of 5112	844	b267170e1d84af062e46ff691e7c3842d3cd0b7768edf6063947bb18c15d342b.exe	96
PID 844 wrote to memory of 5112	844	b267170e1d84af062e46ff691e7c3842d3cd0b7768edf6063947bb18c15d342b.exe	96

C:\Users\Admin\AppData\Local\Temp\b267170e1d84af062e46ff691e7c3842d3cd0b7768edf6063947bb18c15d342b.exe
"C:\Users\Admin\AppData\Local\Temp\b267170e1d84af062e46ff691e7c3842d3cd0b7768edf6063947bb18c15d342b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:844
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:5112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\szgfw.exe

Filesize
101KB

MD5
e35d10ab31b58e0019d49692286c598f

SHA1
b5ea5f595545876a0be392c0f5c25610ff24059d

SHA256
b2a191cb05cd587d1a4b4395e13a429b29a26256725f0f30e95c49b563e12def

SHA512
e30da0183a0c911be88c45c80aca5dd5d5f9ef03c74628fba4b0f544814d8dd4b4408d0d3f4d811fdbd07e0e1d6dd135a26f56115cb65caf646b572dd116e114

Download Submit
memory/844-0-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/844-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/5112-10-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download