upatre | ec27f1ca119792f6402223cf375a176989f9f90058d22d2d6c55a62ba97df612

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
03-12-2023 09:08

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General

Target

NEAS.77d814a38abc3c61439c7796212d2690.exe
Size

132KB
MD5

77d814a38abc3c61439c7796212d2690
SHA1

6e7f140b67172dc1aa5537f20105b92386cadc9d
SHA256

ec27f1ca119792f6402223cf375a176989f9f90058d22d2d6c55a62ba97df612
SHA512

33f86812587623fe148d86b60146a162ad4db1cbe8dbe5d92bed917fc92352fd6343a801141df2f36f458f24f3d5fe5545d1e80d4ff89c418d6fea4f68d7d708
SSDEEP

3072:tY9CUT62/UOVMgJsgJMgJogJwgJ0zqgJ01J3RgJ01JygJ01JK8gJ01JK2gJ01JKf:tY9C8QyFJlJFJRJZJqJyJ3CJyJbJyJWP

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
2764	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
2376	NEAS.77d814a38abc3c61439c7796212d2690.exe
2376	NEAS.77d814a38abc3c61439c7796212d2690.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 2376 wrote to memory of 2764	2376	NEAS.77d814a38abc3c61439c7796212d2690.exe	28
PID 2376 wrote to memory of 2764	2376	NEAS.77d814a38abc3c61439c7796212d2690.exe	28
PID 2376 wrote to memory of 2764	2376	NEAS.77d814a38abc3c61439c7796212d2690.exe	28
PID 2376 wrote to memory of 2764	2376	NEAS.77d814a38abc3c61439c7796212d2690.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.77d814a38abc3c61439c7796212d2690.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.77d814a38abc3c61439c7796212d2690.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2764

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
132KB

MD5
2b97e1cb24b0f3f1a120576c04622e58

SHA1
2264499064afca0c3b0e3235f5a191c466bbe475

SHA256
18a37e4bf9884409a0f1e97ba656803d01e727f9b50741a4e95c93185ec10096

SHA512
257bf4a902ea60f8b90c8adf29d1391193de5d4fe2fe91e3343b766a1aa35bdd1613d5d55b16ba3c100f0ee2f7e376af9d5b6380558e64bc22241dae41e5b94f

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

Filesize
132KB

MD5
2b97e1cb24b0f3f1a120576c04622e58

SHA1
2264499064afca0c3b0e3235f5a191c466bbe475

SHA256
18a37e4bf9884409a0f1e97ba656803d01e727f9b50741a4e95c93185ec10096

SHA512
257bf4a902ea60f8b90c8adf29d1391193de5d4fe2fe91e3343b766a1aa35bdd1613d5d55b16ba3c100f0ee2f7e376af9d5b6380558e64bc22241dae41e5b94f

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

Filesize
132KB

MD5
2b97e1cb24b0f3f1a120576c04622e58

SHA1
2264499064afca0c3b0e3235f5a191c466bbe475

SHA256
18a37e4bf9884409a0f1e97ba656803d01e727f9b50741a4e95c93185ec10096

SHA512
257bf4a902ea60f8b90c8adf29d1391193de5d4fe2fe91e3343b766a1aa35bdd1613d5d55b16ba3c100f0ee2f7e376af9d5b6380558e64bc22241dae41e5b94f

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

Filesize
132KB

MD5
2b97e1cb24b0f3f1a120576c04622e58

SHA1
2264499064afca0c3b0e3235f5a191c466bbe475

SHA256
18a37e4bf9884409a0f1e97ba656803d01e727f9b50741a4e95c93185ec10096

SHA512
257bf4a902ea60f8b90c8adf29d1391193de5d4fe2fe91e3343b766a1aa35bdd1613d5d55b16ba3c100f0ee2f7e376af9d5b6380558e64bc22241dae41e5b94f

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

Filesize
132KB

MD5
2b97e1cb24b0f3f1a120576c04622e58

SHA1
2264499064afca0c3b0e3235f5a191c466bbe475

SHA256
18a37e4bf9884409a0f1e97ba656803d01e727f9b50741a4e95c93185ec10096

SHA512
257bf4a902ea60f8b90c8adf29d1391193de5d4fe2fe91e3343b766a1aa35bdd1613d5d55b16ba3c100f0ee2f7e376af9d5b6380558e64bc22241dae41e5b94f

Download Submit
memory/2376-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2376-2-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2376-11-0x0000000002FA0000-0x0000000002FC6000-memory.dmp

Filesize
152KB

Download
memory/2376-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2764-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download