046aa3560c50a69b6bd08060cfce3d7080e023d47a39b004c849caddc15f4a05

General

Target

Cool BreezeV1.0/Cool BreezeV1.0.exe
Size

1.3MB
MD5

b3fef15c91d752ab3a3b91ff13000586
SHA1

50e8ad6cf7f1ade6e06cad6cbb0c49d71ddb4657
SHA256

a58bfc733ae3f4fc70d7842b9686265e70c40436899cfee501adee97f3b271e0
SHA512

eeda3cfce02111813787e2236922aecb003d18937c7ff3020721a48402af70faa961b98e578cf43ba08c1d625f7f7f5dd1701e987442529b702d07f4f14b5ffe
SSDEEP

24576:woJsf2B5K+ErYAG/nlwMA3rDAP+3rQAPK:wKzK+sewwWPS

Score

8^/10

discovery evasion upx

Malware Config

Signatures

Blocks application from running via registry modification 6 IoCs

Adds application to list of disallowed applications.

evasion

Processes:

Cool BreezeV1.0.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	Cool BreezeV1.0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "yylauncher.exe"	Cool BreezeV1.0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "YY.exe"	Cool BreezeV1.0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "e_patcher.exe"	Cool BreezeV1.0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "e.exe"	Cool BreezeV1.0.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	Cool BreezeV1.0.exe

UPX packed file 27 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3492-0-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-2-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-4-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-3-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-8-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-10-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-42-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-49-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-52-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-47-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-45-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-39-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-35-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-36-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-31-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-29-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-27-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-25-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-22-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-20-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-16-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-14-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-13-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-43-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-6-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-5-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral2/memory/3492-54-0x0000000010000000-0x000000001003D000-memory.dmp	upx

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
3320	3492	WerFault.exe	81
2196	3492	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

Cool BreezeV1.0.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cool BreezeV1.0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Cool BreezeV1.0.exe

pid	Process
3492	Cool BreezeV1.0.exe
3492	Cool BreezeV1.0.exe

Suspicious behavior: LoadsDriver 2 IoCs

Processes:

pid	Process
640
640

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

Cool BreezeV1.0.exe

pid	Process
3492	Cool BreezeV1.0.exe
3492	Cool BreezeV1.0.exe
3492	Cool BreezeV1.0.exe
3492	Cool BreezeV1.0.exe
3492	Cool BreezeV1.0.exe

C:\Users\Admin\AppData\Local\Temp\Cool BreezeV1.0\Cool BreezeV1.0.exe
"C:\Users\Admin\AppData\Local\Temp\Cool BreezeV1.0\Cool BreezeV1.0.exe"
1⤵
- Blocks application from running via registry modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 1756
  2⤵
  - Program crash
  PID:3320
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 1756
  2⤵
  - Program crash
  PID:2196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3492 -ip 3492
1⤵
PID:400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3492 -ip 3492
1⤵
PID:1820

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

memory/3492-0-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-2-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-4-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-3-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-8-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-10-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-42-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-49-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-52-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-47-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-45-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-39-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-35-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-36-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-31-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-29-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-27-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-25-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-22-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-20-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-16-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-14-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-13-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-43-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-6-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-5-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3492-54-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads