9f8e26376c8d109e1e97d64f976b4f369f0977679607edcc86b4c31e5915cb30

General

Target

Exe4J windows 4.0 [h33t][SweetHeart].exe
Size

5.1MB
MD5

1b9eb0ae845e6315fe9eb8a4a961df22
SHA1

189c27ea2ae00a02c46d0244761ee35934d6c0c8
SHA256

bc2c5bd5404e578fa53280995efd9ae1f51c31250f871b5185f094c2701f9cc1
SHA512

dc02a002a010de274356e98dc92beafd87e0998f4e43c5e9ce29bbef73894584468fcef975735946de9c99ed5c5c09afee137a78e962486de6190d8d130cff6c
SSDEEP

3072:3+0rrRzp7kgkORECfPo9L5iD3PaJbn7mQkggqeKSSbWXI:3pRzNkgrRJD3PaJnmQkkh

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	javaupdate_KBD12S.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	javaupdate_KBD12S.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\javaupdate_KBD12S.exe = "C:\\Users\\Admin\\AppData\\Roaming\\javaupdate_KBD12S.exe:*:Enabled:"	javaupdate_KBD12S.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	javaupdate_KBD12S.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2p7z40ox-xGAG-FZXY-KuYb-QY0orPj1AUrc}\SzokEtZa1L8A2xO = "\"C:\\Users\\Admin\\AppData\\Roaming\\javaupdate_KBD12S.exe\" /ActiveX"	Exe4J windows 4.0 [h33t][SweetHeart].exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2p7z40ox-xGAG-FZXY-KuYb-QY0orPj1AUrc}	Exe4J windows 4.0 [h33t][SweetHeart].exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Control Panel\International\Geo\Nation	Exe4J windows 4.0 [h33t][SweetHeart].exe

Executes dropped EXE 2 IoCs

pid	Process
1532	javaupdate_KBD12S.exe
1484	javaupdate_KBD12S.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1764-3-0x0000000054350000-0x000000005437D000-memory.dmp	upx
behavioral2/memory/1764-6-0x0000000054350000-0x000000005437D000-memory.dmp	upx
behavioral2/memory/1764-7-0x0000000054350000-0x000000005437D000-memory.dmp	upx
behavioral2/memory/1764-8-0x0000000054350000-0x000000005437D000-memory.dmp	upx
behavioral2/memory/1764-21-0x0000000054350000-0x000000005437D000-memory.dmp	upx
behavioral2/memory/1484-27-0x0000000054350000-0x000000005437D000-memory.dmp	upx
behavioral2/memory/1484-32-0x0000000054350000-0x000000005437D000-memory.dmp	upx
behavioral2/memory/1484-30-0x0000000054350000-0x000000005437D000-memory.dmp	upx
behavioral2/memory/1484-33-0x0000000054350000-0x000000005437D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SzokEtZa1L8A2xO = "C:\\Users\\Admin\\AppData\\Roaming\\javaupdate_KBD12S.exe"	Exe4J windows 4.0 [h33t][SweetHeart].exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SzokEtZa1L8A2xO = "C:\\Users\\Admin\\AppData\\Roaming\\javaupdate_KBD12S.exe"	Exe4J windows 4.0 [h33t][SweetHeart].exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1292 set thread context of 1764	1292	Exe4J windows 4.0 [h33t][SweetHeart].exe	83
PID 1532 set thread context of 1484	1532	javaupdate_KBD12S.exe	86

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1764	1292	Exe4J windows 4.0 [h33t][SweetHeart].exe	83
PID 1292 wrote to memory of 1764	1292	Exe4J windows 4.0 [h33t][SweetHeart].exe	83
PID 1292 wrote to memory of 1764	1292	Exe4J windows 4.0 [h33t][SweetHeart].exe	83
PID 1292 wrote to memory of 1764	1292	Exe4J windows 4.0 [h33t][SweetHeart].exe	83
PID 1292 wrote to memory of 1764	1292	Exe4J windows 4.0 [h33t][SweetHeart].exe	83
PID 1292 wrote to memory of 1764	1292	Exe4J windows 4.0 [h33t][SweetHeart].exe	83
PID 1292 wrote to memory of 1764	1292	Exe4J windows 4.0 [h33t][SweetHeart].exe	83
PID 1292 wrote to memory of 1764	1292	Exe4J windows 4.0 [h33t][SweetHeart].exe	83
PID 1764 wrote to memory of 1532	1764	Exe4J windows 4.0 [h33t][SweetHeart].exe	85
PID 1764 wrote to memory of 1532	1764	Exe4J windows 4.0 [h33t][SweetHeart].exe	85
PID 1764 wrote to memory of 1532	1764	Exe4J windows 4.0 [h33t][SweetHeart].exe	85
PID 1532 wrote to memory of 1484	1532	javaupdate_KBD12S.exe	86
PID 1532 wrote to memory of 1484	1532	javaupdate_KBD12S.exe	86
PID 1532 wrote to memory of 1484	1532	javaupdate_KBD12S.exe	86
PID 1532 wrote to memory of 1484	1532	javaupdate_KBD12S.exe	86
PID 1532 wrote to memory of 1484	1532	javaupdate_KBD12S.exe	86
PID 1532 wrote to memory of 1484	1532	javaupdate_KBD12S.exe	86
PID 1532 wrote to memory of 1484	1532	javaupdate_KBD12S.exe	86
PID 1532 wrote to memory of 1484	1532	javaupdate_KBD12S.exe	86

C:\Users\Admin\AppData\Local\Temp\Exe4J windows 4.0 [h33t][SweetHeart].exe
"C:\Users\Admin\AppData\Local\Temp\Exe4J windows 4.0 [h33t][SweetHeart].exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Users\Admin\AppData\Local\Temp\Exe4J windows 4.0 [h33t][SweetHeart].exe
  "C:\Users\Admin\AppData\Local\Temp\Exe4J windows 4.0 [h33t][SweetHeart].exe"
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1764
- - C:\Users\Admin\AppData\Roaming\javaupdate_KBD12S.exe
    "C:\Users\Admin\AppData\Roaming\javaupdate_KBD12S.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1532
  - - C:\Users\Admin\AppData\Roaming\javaupdate_KBD12S.exe
      "C:\Users\Admin\AppData\Roaming\javaupdate_KBD12S.exe"
      4⤵
      Modifies firewall policy service
      Executes dropped EXE
      PID:1484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\javaupdate_KBD12S.exe

Filesize
5.1MB

MD5
1b9eb0ae845e6315fe9eb8a4a961df22

SHA1
189c27ea2ae00a02c46d0244761ee35934d6c0c8

SHA256
bc2c5bd5404e578fa53280995efd9ae1f51c31250f871b5185f094c2701f9cc1

SHA512
dc02a002a010de274356e98dc92beafd87e0998f4e43c5e9ce29bbef73894584468fcef975735946de9c99ed5c5c09afee137a78e962486de6190d8d130cff6c

Download Submit
memory/1292-0-0x0000000074902000-0x0000000074903000-memory.dmp

Filesize
4KB

Download
memory/1292-1-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/1292-2-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/1292-9-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/1484-33-0x0000000054350000-0x000000005437D000-memory.dmp

Filesize
180KB

Download
memory/1484-30-0x0000000054350000-0x000000005437D000-memory.dmp

Filesize
180KB

Download
memory/1484-32-0x0000000054350000-0x000000005437D000-memory.dmp

Filesize
180KB

Download
memory/1484-27-0x0000000054350000-0x000000005437D000-memory.dmp

Filesize
180KB

Download
memory/1532-28-0x00000000730C0000-0x0000000073671000-memory.dmp

Filesize
5.7MB

Download
memory/1532-23-0x00000000730C0000-0x0000000073671000-memory.dmp

Filesize
5.7MB

Download
memory/1532-22-0x00000000730C2000-0x00000000730C3000-memory.dmp

Filesize
4KB

Download
memory/1532-31-0x00000000730C0000-0x0000000073671000-memory.dmp

Filesize
5.7MB

Download
memory/1764-21-0x0000000054350000-0x000000005437D000-memory.dmp

Filesize
180KB

Download
memory/1764-8-0x0000000054350000-0x000000005437D000-memory.dmp

Filesize
180KB

Download
memory/1764-7-0x0000000054350000-0x000000005437D000-memory.dmp

Filesize
180KB

Download
memory/1764-6-0x0000000054350000-0x000000005437D000-memory.dmp

Filesize
180KB

Download
memory/1764-3-0x0000000054350000-0x000000005437D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads