upatre | 3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1

General

Target

3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe
Size

6KB
MD5

52bc0188ba93adafc4bf811f89d4ff3f
SHA1

85a53b0b39932489b28f348af4b346796b85d056
SHA256

3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1
SHA512

c725d0ca33fff006dfaaf64f3e4300f49885e96bae165920710eca4db2e0c399b94e8ac5dc08c0ab9ad14608ec0691bdee0bc55a3f06efbd11d261a17bffcc97

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1832	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1660	3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe
1660	3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.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 1660 wrote to memory of 1832	1660	3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe	27
PID 1660 wrote to memory of 1832	1660	3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe	27
PID 1660 wrote to memory of 1832	1660	3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe	27
PID 1660 wrote to memory of 1832	1660	3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe	27

C:\Users\Admin\AppData\Local\Temp\3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe
"C:\Users\Admin\AppData\Local\Temp\3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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
6KB

MD5
138337ca239b590aae9553e75c372ae3

SHA1
27c2d358062528eec3c229b8ac102b8d0814d5fe

SHA256
bcb5f68f14b6f1fc37d00ae6fa1a17c77ff9aa8162661f9761eb0fe6f90d65ea

SHA512
000016b48b1ca4103daef18e46bc80c28b5c03a7d6f4dfa361b88d1b169450c5b84fb683766767e73d25e95e803457b1bb306ebaf4b10e47cb42591cd5aadbce

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

Filesize
6KB

MD5
138337ca239b590aae9553e75c372ae3

SHA1
27c2d358062528eec3c229b8ac102b8d0814d5fe

SHA256
bcb5f68f14b6f1fc37d00ae6fa1a17c77ff9aa8162661f9761eb0fe6f90d65ea

SHA512
000016b48b1ca4103daef18e46bc80c28b5c03a7d6f4dfa361b88d1b169450c5b84fb683766767e73d25e95e803457b1bb306ebaf4b10e47cb42591cd5aadbce

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

Filesize
6KB

MD5
138337ca239b590aae9553e75c372ae3

SHA1
27c2d358062528eec3c229b8ac102b8d0814d5fe

SHA256
bcb5f68f14b6f1fc37d00ae6fa1a17c77ff9aa8162661f9761eb0fe6f90d65ea

SHA512
000016b48b1ca4103daef18e46bc80c28b5c03a7d6f4dfa361b88d1b169450c5b84fb683766767e73d25e95e803457b1bb306ebaf4b10e47cb42591cd5aadbce

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

Filesize
6KB

MD5
138337ca239b590aae9553e75c372ae3

SHA1
27c2d358062528eec3c229b8ac102b8d0814d5fe

SHA256
bcb5f68f14b6f1fc37d00ae6fa1a17c77ff9aa8162661f9761eb0fe6f90d65ea

SHA512
000016b48b1ca4103daef18e46bc80c28b5c03a7d6f4dfa361b88d1b169450c5b84fb683766767e73d25e95e803457b1bb306ebaf4b10e47cb42591cd5aadbce

Download Submit
memory/1660-54-0x0000000076781000-0x0000000076783000-memory.dmp

Filesize
8KB

Download

Analysis

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