2597e2126638ea788c311c6c6a6b883f0d19f55dce2e85c8b212401802918d71

General

Target

2597e2126638ea788c311c6c6a6b883f0d19f55dce2e85c8b212401802918d71.exe
Size

2.9MB
MD5

821b432729c884acec972ccc4bb91a06
SHA1

5311cdce47a71ce2f51f64cee267e6a23aa41307
SHA256

2597e2126638ea788c311c6c6a6b883f0d19f55dce2e85c8b212401802918d71
SHA512

a2d11fd38863512fe5ed2fb06c2bb4f3d558d3969754e0a57a281b6a7f4c5d365eb06a0e6fae006e036743977c22bf6b88f7719ba01fb0efa6e012e375cf7238

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
904	java.exe
4996	java.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4996-138-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4996-141-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4996-142-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4996-143-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4996-144-0x0000000000400000-0x000000000041C000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 904 set thread context of 4996	904	java.exe	80

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 SetWindowsHookEx 2 IoCs

pid	Process
2232	2597e2126638ea788c311c6c6a6b883f0d19f55dce2e85c8b212401802918d71.exe
904	java.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 904	2232	2597e2126638ea788c311c6c6a6b883f0d19f55dce2e85c8b212401802918d71.exe	79
PID 2232 wrote to memory of 904	2232	2597e2126638ea788c311c6c6a6b883f0d19f55dce2e85c8b212401802918d71.exe	79
PID 2232 wrote to memory of 904	2232	2597e2126638ea788c311c6c6a6b883f0d19f55dce2e85c8b212401802918d71.exe	79
PID 904 wrote to memory of 4996	904	java.exe	80
PID 904 wrote to memory of 4996	904	java.exe	80
PID 904 wrote to memory of 4996	904	java.exe	80
PID 904 wrote to memory of 4996	904	java.exe	80
PID 904 wrote to memory of 4996	904	java.exe	80
PID 904 wrote to memory of 4996	904	java.exe	80
PID 904 wrote to memory of 4996	904	java.exe	80
PID 904 wrote to memory of 4996	904	java.exe	80

C:\Users\Admin\AppData\Local\Temp\2597e2126638ea788c311c6c6a6b883f0d19f55dce2e85c8b212401802918d71.exe
"C:\Users\Admin\AppData\Local\Temp\2597e2126638ea788c311c6c6a6b883f0d19f55dce2e85c8b212401802918d71.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\java.exe
  C:\Users\Admin\AppData\Local\Temp\java.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:904
- - C:\Users\Admin\AppData\Local\Temp\java.exe
    "C:\Users\Admin\AppData\Local\Temp\java.exe"
    3⤵
    - Executes dropped EXE
    PID:4996

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\java.exe

Filesize
712KB

MD5
9b1cf9a43b93c233581765f644b1687b

SHA1
3abe3c4b62ad8c6afcfc0f574357b39a623e43bd

SHA256
9008924fd217395bb1ab40ccea4a2e4829144f8415458c1d77452521e2179d45

SHA512
fc30f457f5405f75a910230971e945aef95c2f0ddc049b11dc4e7665b8cc07ac924bba4531fe9be6cb342439afe3f980009bf4b158aa8fd49ebab8f597e330ce

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

Filesize
712KB

MD5
9b1cf9a43b93c233581765f644b1687b

SHA1
3abe3c4b62ad8c6afcfc0f574357b39a623e43bd

SHA256
9008924fd217395bb1ab40ccea4a2e4829144f8415458c1d77452521e2179d45

SHA512
fc30f457f5405f75a910230971e945aef95c2f0ddc049b11dc4e7665b8cc07ac924bba4531fe9be6cb342439afe3f980009bf4b158aa8fd49ebab8f597e330ce

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

Filesize
712KB

MD5
9b1cf9a43b93c233581765f644b1687b

SHA1
3abe3c4b62ad8c6afcfc0f574357b39a623e43bd

SHA256
9008924fd217395bb1ab40ccea4a2e4829144f8415458c1d77452521e2179d45

SHA512
fc30f457f5405f75a910230971e945aef95c2f0ddc049b11dc4e7665b8cc07ac924bba4531fe9be6cb342439afe3f980009bf4b158aa8fd49ebab8f597e330ce

Download Submit
memory/4996-138-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4996-141-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4996-142-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4996-143-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4996-144-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

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