22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33

General

Target

22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33.exe
Size

180KB
MD5

706b322f95583a8df9d2a45b83ca89ba
SHA1

a108abb9c1e06ca214a16adaa3f9bddc945624a1
SHA256

22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33
SHA512

c7ffd8d0fbeb6b37bc941212c16afaa647012f6b51adfa97b659683fe4ee827dc29fa37468dc80b4a1858c79a2ab415e31205aa866e1e2e70fb2b0ae676c5046
SSDEEP

3072:aMSncRzAOR+P7HG21+Spp+UzdNyN9fT0J0jZqMN7v:5SncRlR+P7fpwUONNv

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1340	JAVA.EXE

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1420	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d2be3e6d11846430c067fc874a79f583.exe	JAVA.EXE
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d2be3e6d11846430c067fc874a79f583.exe	JAVA.EXE

Loads dropped DLL 1 IoCs

pid	Process
1364	22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\d2be3e6d11846430c067fc874a79f583 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\JAVA.EXE\" .."	JAVA.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\d2be3e6d11846430c067fc874a79f583 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\JAVA.EXE\" .."	JAVA.EXE

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1340	JAVA.EXE
1340	JAVA.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1340	JAVA.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 1340	1364	22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33.exe	28
PID 1364 wrote to memory of 1340	1364	22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33.exe	28
PID 1364 wrote to memory of 1340	1364	22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33.exe	28
PID 1364 wrote to memory of 1340	1364	22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33.exe	28
PID 1364 wrote to memory of 1340	1364	22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33.exe	28
PID 1364 wrote to memory of 1340	1364	22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33.exe	28
PID 1364 wrote to memory of 1340	1364	22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33.exe	28
PID 1340 wrote to memory of 1420	1340	JAVA.EXE	29
PID 1340 wrote to memory of 1420	1340	JAVA.EXE	29
PID 1340 wrote to memory of 1420	1340	JAVA.EXE	29
PID 1340 wrote to memory of 1420	1340	JAVA.EXE	29

C:\Users\Admin\AppData\Local\Temp\22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33.exe
"C:\Users\Admin\AppData\Local\Temp\22c439bfc491845bea0a5f4a809077f265f666ba4206b66769d131d9620f8c33.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1364
- C:\Users\Admin\AppData\Local\Temp\JAVA.EXE
  "C:\Users\Admin\AppData\Local\Temp\JAVA.EXE"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1340
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\JAVA.EXE" "JAVA.EXE" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1420

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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
125KB

MD5
f78ee0deaf86e0e13795646bdb2e34d7

SHA1
a7d42625a9676fadc49b4be42e44e033ee708067

SHA256
544c2e1be7b8733a9ef50cbbb41ec05d995b8664aa6b043bc96dd0d98c825c4b

SHA512
6f1b66ef663039156e43911331a9ce1eed6932f986f2df362b3468402770aee1d65bd0e4d743102a64286991ecd37ffa770db50a57515b65a221714bb4e7b487

Download Submit
C:\Users\Admin\AppData\Local\Temp\JAVA.EXE

Filesize
125KB

MD5
f78ee0deaf86e0e13795646bdb2e34d7

SHA1
a7d42625a9676fadc49b4be42e44e033ee708067

SHA256
544c2e1be7b8733a9ef50cbbb41ec05d995b8664aa6b043bc96dd0d98c825c4b

SHA512
6f1b66ef663039156e43911331a9ce1eed6932f986f2df362b3468402770aee1d65bd0e4d743102a64286991ecd37ffa770db50a57515b65a221714bb4e7b487

Download Submit
\Users\Admin\AppData\Local\Temp\JAVA.EXE

Filesize
125KB

MD5
f78ee0deaf86e0e13795646bdb2e34d7

SHA1
a7d42625a9676fadc49b4be42e44e033ee708067

SHA256
544c2e1be7b8733a9ef50cbbb41ec05d995b8664aa6b043bc96dd0d98c825c4b

SHA512
6f1b66ef663039156e43911331a9ce1eed6932f986f2df362b3468402770aee1d65bd0e4d743102a64286991ecd37ffa770db50a57515b65a221714bb4e7b487

Download Submit
memory/1340-60-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/1340-63-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/1364-54-0x0000000075611000-0x0000000075613000-memory.dmp

Filesize
8KB

Download

Analysis

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