upatre | 291a7e7c54c467d480bb089e1e69d267f944b7a97a450f4b59c5faeff20a756e

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04-04-2024 10:00

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General

Target

b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe
Size

41KB
MD5

b5614421f49731cf46a6e76021cc4a33
SHA1

f19955ef04ca58d31f7644f6d30eaff2ed9d27e3
SHA256

291a7e7c54c467d480bb089e1e69d267f944b7a97a450f4b59c5faeff20a756e
SHA512

809fb056d236cf7415135d4a34b5510fcaa74f514f21f938a7be5f4be45c1ee8179b0e5d94a0c0b7b0abfee153baf0f87a4c2518a82a6a1a798812f53cb5f457
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rCBsPGTWikRyyyxOJoylyyyQ:GY9jw/dUT62rGdiUOWWrC6P6TC

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
3028	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
2472	b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe
2472	b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.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 2472 wrote to memory of 3028	2472	b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe	28
PID 2472 wrote to memory of 3028	2472	b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe	28
PID 2472 wrote to memory of 3028	2472	b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe	28
PID 2472 wrote to memory of 3028	2472	b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:3028

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
42KB

MD5
52287ffe81a258aec328d17d62ce4c60

SHA1
ba3691e888cc9bd2bd60a661d024b416b0d14060

SHA256
9b3c6fe6ab24de148137040a23b02de058d787bbdba2a09678d0cef8655f571f

SHA512
1ba87c751e11dd08ef9d52a1decdd393a3e6e79358e7e6c5aa2cbcad8b93dc5992f9ac2cab1d87cf39f8b7e1aaa41c61edd3a3dcf1e18ad3f0035a6c43d75e98

Download Submit
memory/2472-1-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2472-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download