upatre | c3a7d085818ce367a04fb2285c82e9b987a04371629111a7689d1703036204d4

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
06-10-2023 12:32

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General

Target

48cc9fc3ad0bc5e9acbcbba0ad885dbe_JC.exe
Size

93KB
MD5

48cc9fc3ad0bc5e9acbcbba0ad885dbe
SHA1

90393f99ce7fece0e503ae25e6ec430f66e53368
SHA256

c3a7d085818ce367a04fb2285c82e9b987a04371629111a7689d1703036204d4
SHA512

aed77974912f3cf73063779899e8fcd4f53f12bbcce8d7cc53cf40a5b8b97fe43d08c4950576fc2d056dd5b5f4dfc688f67a6a45e3e98da64c3ee478d65036ce
SSDEEP

1536:iY9jw/dUT62rGdiUOWWrMu8i8N8tz8b8XtP8XtH8XtgU7:iY9CUT62/UOVMu8i8N898b8XN8X98XGg

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1332	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1980	48cc9fc3ad0bc5e9acbcbba0ad885dbe_JC.exe
1980	48cc9fc3ad0bc5e9acbcbba0ad885dbe_JC.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 1332	1980	48cc9fc3ad0bc5e9acbcbba0ad885dbe_JC.exe	28
PID 1980 wrote to memory of 1332	1980	48cc9fc3ad0bc5e9acbcbba0ad885dbe_JC.exe	28
PID 1980 wrote to memory of 1332	1980	48cc9fc3ad0bc5e9acbcbba0ad885dbe_JC.exe	28
PID 1980 wrote to memory of 1332	1980	48cc9fc3ad0bc5e9acbcbba0ad885dbe_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\48cc9fc3ad0bc5e9acbcbba0ad885dbe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\48cc9fc3ad0bc5e9acbcbba0ad885dbe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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

Filesize
94KB

MD5
36478af47f05280cb6ffe86ddad0f096

SHA1
71d87ad08754400938aa67a7a42dc953b13cf487

SHA256
6488033d0db2b7bc345f45ab41ad0138060b804a2dbb97bec7fc6ea36f4b124f

SHA512
bf1f58b2e83b660f727a2e795d7d24aa50efc6cb2144fb2eccfb20978899986c91215e7d90c79dd1c9d80d3dfc4ddb78fd8f50aeef58d0722a84ad377f52c0f6

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

Filesize
94KB

MD5
36478af47f05280cb6ffe86ddad0f096

SHA1
71d87ad08754400938aa67a7a42dc953b13cf487

SHA256
6488033d0db2b7bc345f45ab41ad0138060b804a2dbb97bec7fc6ea36f4b124f

SHA512
bf1f58b2e83b660f727a2e795d7d24aa50efc6cb2144fb2eccfb20978899986c91215e7d90c79dd1c9d80d3dfc4ddb78fd8f50aeef58d0722a84ad377f52c0f6

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

Filesize
94KB

MD5
36478af47f05280cb6ffe86ddad0f096

SHA1
71d87ad08754400938aa67a7a42dc953b13cf487

SHA256
6488033d0db2b7bc345f45ab41ad0138060b804a2dbb97bec7fc6ea36f4b124f

SHA512
bf1f58b2e83b660f727a2e795d7d24aa50efc6cb2144fb2eccfb20978899986c91215e7d90c79dd1c9d80d3dfc4ddb78fd8f50aeef58d0722a84ad377f52c0f6

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

Filesize
94KB

MD5
36478af47f05280cb6ffe86ddad0f096

SHA1
71d87ad08754400938aa67a7a42dc953b13cf487

SHA256
6488033d0db2b7bc345f45ab41ad0138060b804a2dbb97bec7fc6ea36f4b124f

SHA512
bf1f58b2e83b660f727a2e795d7d24aa50efc6cb2144fb2eccfb20978899986c91215e7d90c79dd1c9d80d3dfc4ddb78fd8f50aeef58d0722a84ad377f52c0f6

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

Filesize
94KB

MD5
36478af47f05280cb6ffe86ddad0f096

SHA1
71d87ad08754400938aa67a7a42dc953b13cf487

SHA256
6488033d0db2b7bc345f45ab41ad0138060b804a2dbb97bec7fc6ea36f4b124f

SHA512
bf1f58b2e83b660f727a2e795d7d24aa50efc6cb2144fb2eccfb20978899986c91215e7d90c79dd1c9d80d3dfc4ddb78fd8f50aeef58d0722a84ad377f52c0f6

Download Submit
memory/1980-0-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/1980-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download