daecb00a4329b3582e7e756f587330710ead4a1aa7be78ef50330d21dca81c47

Analysis

max time kernel
98s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 02:43

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General

Target

29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe
Size

38KB
MD5

29683ec9ca24f7a3e474784223960dc6
SHA1

4389070dfacd53d1f65086fa86f426a5c306e873
SHA256

daecb00a4329b3582e7e756f587330710ead4a1aa7be78ef50330d21dca81c47
SHA512

ddd47f7d5d5fe411d2f2232c6f11f9c94970a28f9174886332abc92b2ce3afc7bdb91fdd61f11a6e420bc2e9ab1d1a2f6402fd40fbecb2ed92e1244c3f4e3788
SSDEEP

768:uKBkDTYFkg0RotAqlCYYQoNaKEuPiwL3a:4LhRoKb1agPn3a

Score

7^/10

discovery upx

Malware Config

Signatures

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3520-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/3520-4-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\Connection Wizard\isignup.dll	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe
File opened for modification	C:\Program Files\Internet Explorer\Connection Wizard\isignup.dll	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe
File created	C:\Program Files\Internet Explorer\Connection Wizard\isignup.sys	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe

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

System Information Discovery
T1082

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	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8A170A8-7AD3-4678-B2FE-F2D7381CC1B5}\	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8A170A8-7AD3-4678-B2FE-F2D7381CC1B5}\InProcServer32	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8A170A8-7AD3-4678-B2FE-F2D7381CC1B5}\InProcServer32\ = "C:\\Program Files\\Internet Explorer\\Connection Wizard\\isignup.sys"	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8A170A8-7AD3-4678-B2FE-F2D7381CC1B5}\InProcServer32\ThreadingModel = "Apartment"	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8A170A8-7AD3-4678-B2FE-F2D7381CC1B5}	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 1964	3520	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe	84
PID 3520 wrote to memory of 1964	3520	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe	84
PID 3520 wrote to memory of 1964	3520	29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\29683ec9ca24f7a3e474784223960dc6_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_xiaran.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\_xiaran.bat

Filesize
212B

MD5
46961f860b489946cd6138ebc9524848

SHA1
e56c1e62ce93cc82ca4359042ae7b60f5c87216d

SHA256
a547df327a86e5dd6e1d00c7ef99c548046c4e344cdcae4625a3e4f988e0e993

SHA512
434cc7a600c25a6aa870faa57643700582b19d6cf200cd90920e76530086dc5cd1d1be693aeeadf8ea3c3e8c000179693760d87e21ba69bf7c7a7ece02233689

Download Submit
memory/3520-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3520-4-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download