upatre | 1d22294427d545d706834a2fc6144d57ebb35a22a4f1609fb667dbbba240d37b

Analysis

max time kernel
209s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 14:10

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General

Target

f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe
Size

13KB
MD5

f5f40657d309a0ea205244a2a23e1c39
SHA1

062e77b9b7d716ee1d4f89b19fdb5eb76de0d6ca
SHA256

1d22294427d545d706834a2fc6144d57ebb35a22a4f1609fb667dbbba240d37b
SHA512

e320810fc1b6ce5d8e0bfc3b4eec4550a181d221d8f0ca782a45feba9c7c1b1509b2dc6d994033b2289ce2dacead88b17ca0f75bae86d59e420401ca64f9689d
SSDEEP

384:6K+dKfzQHxFxRmyja4QhiP7UlY/pjK7aylryylFyylYLlmylylyy8yyCJ:v+dAURFxna4QAPQlYg7aylryylFyylY2

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

2116 szgfw.exe
Loads dropped DLL 2 IoCs

Processes:

f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe

pid process

2500 f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe
2500 f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2116	szgfw.exe

pid	process
2500	f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe
2500	f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe

description	pid	process	target process
PID 2500 wrote to memory of 2116	2500	f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe	szgfw.exe
PID 2500 wrote to memory of 2116	2500	f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe	szgfw.exe
PID 2500 wrote to memory of 2116	2500	f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe	szgfw.exe
PID 2500 wrote to memory of 2116	2500	f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5f40657d309a0ea205244a2a23e1c39_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2500

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
2⤵
- Executes dropped EXE
PID:2116

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
686b973e8bd961928a0cdf19fc90c2e5

SHA1
4dd04102ff3100e27c48fe27a966c7e452e314a2

SHA256
7c69afe9f12c660a965c8ce01e6e8981b78d7e9ad745bce9120a083a13cfb84b

SHA512
c946c45d475be294aff8a61dafffb29ec142d102a043d915cf5b3aa6573175c3445d2517d5e6e14caf44f4626d7160cf4798cafe88977d0b4cd486a399ed55e8

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