c0c5051d3897558aec8790e7367a8e92883373f069e3e13893fdf8afa6132251

Analysis

max time kernel
133s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:17

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General

Target

083779c7f48d296459f21915bad3ae70_JaffaCakes118.dll
Size

206KB
MD5

083779c7f48d296459f21915bad3ae70
SHA1

c34433dbb2369951bc44b861e88c653ae2475286
SHA256

c0c5051d3897558aec8790e7367a8e92883373f069e3e13893fdf8afa6132251
SHA512

b9f2610c1d202bfcf36494a42dc55fd6303c0257f69333a4d107e5d7fb6ce2e1bb6bb19ee93308f77f1c151fcfb932e6327005a20a0829ed408bfdd80429ea92
SSDEEP

3072:L5Rt2tJx+zgSJhcJlocMeerxy29GXGUGNYPUK/XL1gsVX24+qiPuZrbnMILpMLrE:L5Rt2peU03eKy28gNknXvtFbMg0Yx

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b8e-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3028	rundll32.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b8e-1.dat	upx
behavioral2/memory/3028-2-0x0000000010000000-0x000000001002C000-memory.dmp	upx
behavioral2/memory/3028-8-0x0000000010000000-0x000000001002C000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2444	3028	WerFault.exe	84

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3028	rundll32.exe
3028	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 3028	928	rundll32.exe	84
PID 928 wrote to memory of 3028	928	rundll32.exe	84
PID 928 wrote to memory of 3028	928	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\083779c7f48d296459f21915bad3ae70_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\083779c7f48d296459f21915bad3ae70_JaffaCakes118.dll,#1
  2⤵
  - Loads dropped DLL
  - Enumerates connected drives
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 576
    3⤵
    - Program crash
    PID:2444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3028 -ip 3028
1⤵
PID:3612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
64KB

MD5
fb4ba843e1fe2796a59ea6b47687ed84

SHA1
f215134f8d7b223388e6e2f1e9afd225027cea56

SHA256
5b7d0e3dcc8a37896c2158d78c9d19dfdf8965503d4b7acdd6adfe6ba09f5e3e

SHA512
b832c1de4074a174e770d61f7f5214d3185ab51ff7cb17b29ae52776a981b26cd36be5fd1c585cfa880f47ed5d2933998571f03747775ce456ff410535ff9ba2

Download Submit
memory/3028-2-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/3028-8-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download