1174aa31c999a21faa49b765757c164b3d51a6e85cff1e9fdf184eb785ef1b32

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/01/2024, 11:20 UTC

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General

Target

5b1bb570b22d6dbdaadf8d865e1be7d0.exe
Size

95KB
MD5

5b1bb570b22d6dbdaadf8d865e1be7d0
SHA1

5be6ee5cd172ea94efa6ae49259354814d6f09c4
SHA256

1174aa31c999a21faa49b765757c164b3d51a6e85cff1e9fdf184eb785ef1b32
SHA512

bd63d6a5548b1239fed72c29965ddb84fd216c1be2f4fa2a85c088d335395930b1b7434520f0ca7537ad34400be24128372fdcacd46b0ffa5e7921fb36731f43
SSDEEP

1536:HC6g2KL+bD/wWQQZ55z+N0uJ+nL1UWQS2P0Fz2wAJLHPW8kwpDqPSi1VAlaU9/E0:HCz2KmD/wWHcRIn5UzSJVAVPW6q7Alai

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Drops file in Drivers directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\8ttn1hdcl.sys	5b1bb570b22d6dbdaadf8d865e1be7d0.exe
File opened for modification	C:\Windows\SysWOW64\drivers\8ttn1hdcl.sys	5b1bb570b22d6dbdaadf8d865e1be7d0.exe
File created	C:\Windows\SysWOW64\drivers\a0jznku.sys	5b1bb570b22d6dbdaadf8d865e1be7d0.exe
File opened for modification	C:\Windows\SysWOW64\drivers\a0jznku.sys	5b1bb570b22d6dbdaadf8d865e1be7d0.exe

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\a0jznku\ImagePath = "system32\\drivers\\a0jznku.sys"	5b1bb570b22d6dbdaadf8d865e1be7d0.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\8ttn1hdcl\ImagePath = "system32\\drivers\\8ttn1hdcl.sys"	5b1bb570b22d6dbdaadf8d865e1be7d0.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2232-0-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral1/memory/2232-9-0x0000000000400000-0x0000000000434000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\38oa9m.dll	5b1bb570b22d6dbdaadf8d865e1be7d0.exe
File opened for modification	C:\Windows\SysWOW64\38oa9m.dll	5b1bb570b22d6dbdaadf8d865e1be7d0.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
468	Process not Found
468	Process not Found

C:\Users\Admin\AppData\Local\Temp\5b1bb570b22d6dbdaadf8d865e1be7d0.exe
"C:\Users\Admin\AppData\Local\Temp\5b1bb570b22d6dbdaadf8d865e1be7d0.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Drops file in System32 directory
PID:2232

Network

DNS

tmp.farfly.org

5b1bb570b22d6dbdaadf8d865e1be7d0.exe

Remote address:

8.8.8.8:53

Request

tmp.farfly.org

IN A

Response

No results found

8.8.8.8:53

tmp.farfly.org

dns

5b1bb570b22d6dbdaadf8d865e1be7d0.exe

60 B
142 B
1
1

DNS Request

tmp.farfly.org

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2232-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2232-9-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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