e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777

General

Target

e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe
Size

646KB
MD5

34e3967c8143fb8822936f1a463b72df
SHA1

ddd217ba236011c11af70a60e5942f345cc5039a
SHA256

e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777
SHA512

4e1633b036e3dfe3405f6580903a938a7f6b43848e4408e2573478b4172e2236ccff8683f982c22cf2a70bf56c9967395ef7c7a5dd58a29cdf244aaa796dcc68
SSDEEP

12288:wOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPiOHGu+4EIppaL+YQRUXi1h5QryNnts:wq5TfcdHj4fmboOci0kPNnmN

Score

7^/10

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\juvenile.vbs	juvenile.exe

Executes dropped EXE 1 IoCs

pid	Process
4292	juvenile.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1648-14-0x00000000003C0000-0x0000000000535000-memory.dmp	autoit_exe
behavioral2/memory/4292-24-0x0000000000B60000-0x0000000000CD5000-memory.dmp	autoit_exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1648-0-0x00000000003C0000-0x0000000000535000-memory.dmp	upx
behavioral2/files/0x0008000000023c6e-10.dat	upx
behavioral2/memory/4292-12-0x0000000000B60000-0x0000000000CD5000-memory.dmp	upx
behavioral2/memory/1648-14-0x00000000003C0000-0x0000000000535000-memory.dmp	upx
behavioral2/memory/4292-24-0x0000000000B60000-0x0000000000CD5000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2828	4292	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	juvenile.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1648	e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe
1648	e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe
4292	juvenile.exe
4292	juvenile.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1648	e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe
1648	e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe
4292	juvenile.exe
4292	juvenile.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 4292	1648	e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe	84
PID 1648 wrote to memory of 4292	1648	e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe	84
PID 1648 wrote to memory of 4292	1648	e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe	84
PID 4292 wrote to memory of 3488	4292	juvenile.exe	85
PID 4292 wrote to memory of 3488	4292	juvenile.exe	85
PID 4292 wrote to memory of 3488	4292	juvenile.exe	85

C:\Users\Admin\AppData\Local\Temp\e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe
"C:\Users\Admin\AppData\Local\Temp\e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\stickers\juvenile.exe
  "C:\Users\Admin\AppData\Local\Temp\e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4292
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe"
    3⤵
    PID:3488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 724
    3⤵
    - Program crash
    PID:2828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4292 -ip 4292
1⤵
PID:2248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\recomplete

Filesize
64KB

MD5
3fe19bc1dfa8d356e25dc57b72b5aa07

SHA1
9b0fe4ba33f4dba514fa5a2a2cdd5fa9c0af008d

SHA256
4d86c6d82683ceca0b05e0daa777b1fa0599633eccc778de23ce45939a9d77a4

SHA512
f48127e33b518dae6dd1af08d2426bf57943a618d212178aaadabad9cde63419e5c87188f7bb305f4a9d401a13e563890cbff2962792afbe8660598e09edd482

Download Submit
C:\Users\Admin\AppData\Local\stickers\juvenile.exe

Filesize
646KB

MD5
34e3967c8143fb8822936f1a463b72df

SHA1
ddd217ba236011c11af70a60e5942f345cc5039a

SHA256
e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777

SHA512
4e1633b036e3dfe3405f6580903a938a7f6b43848e4408e2573478b4172e2236ccff8683f982c22cf2a70bf56c9967395ef7c7a5dd58a29cdf244aaa796dcc68

Download Submit
memory/1648-0-0x00000000003C0000-0x0000000000535000-memory.dmp

Filesize
1.5MB

Download
memory/1648-7-0x0000000000FC0000-0x00000000013C0000-memory.dmp

Filesize
4.0MB

Download
memory/1648-14-0x00000000003C0000-0x0000000000535000-memory.dmp

Filesize
1.5MB

Download
memory/4292-12-0x0000000000B60000-0x0000000000CD5000-memory.dmp

Filesize
1.5MB

Download
memory/4292-22-0x00000000018D0000-0x0000000001CD0000-memory.dmp

Filesize
4.0MB

Download
memory/4292-24-0x0000000000B60000-0x0000000000CD5000-memory.dmp

Filesize
1.5MB

Download

Analysis

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