8c179c812fd6d812a2cc0487ae262e53f07ead61ef5996fedc4dbff793e1cf88

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/08/2024, 13:58

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General

Target

8efe38879f708a4f474abea32f862970_JaffaCakes118.exe
Size

83KB
MD5

8efe38879f708a4f474abea32f862970
SHA1

ca7671a6f624f777fc9c1da551120f41af226178
SHA256

8c179c812fd6d812a2cc0487ae262e53f07ead61ef5996fedc4dbff793e1cf88
SHA512

d34b88a70b429fff379057d83c9ec580f34c7ef846687321744e6ac4a95f8e80a8cfa86425b86bddd2f15ff0d392216f644d5388a85f684081c8a73a5e0b4857
SSDEEP

1536:RM1B42icqG3KP0PTguD9TaJ7x4y0XSPpeKZSA5KcWD+:V2hqG3Tp9TM90C2P

Score

8^/10

aspackv2 discovery persistence upx

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibility.dll"	8efe38879f708a4f474abea32f862970_JaffaCakes118.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000300000001692d-10.dat	aspack_v212_v242

Loads dropped DLL 1 IoCs

pid	Process
1896	Svchost.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4092-0-0x0000000000330000-0x0000000000354000-memory.dmp	upx
behavioral2/memory/4092-2-0x0000000000330000-0x0000000000354000-memory.dmp	upx
behavioral2/memory/4092-1-0x0000000000330000-0x0000000000354000-memory.dmp	upx
behavioral2/files/0x000300000001692d-10.dat	upx
behavioral2/memory/1896-12-0x0000000075540000-0x0000000075564000-memory.dmp	upx
behavioral2/memory/1896-14-0x0000000075540000-0x0000000075564000-memory.dmp	upx
behavioral2/memory/1896-13-0x0000000075540000-0x0000000075564000-memory.dmp	upx
behavioral2/memory/4092-19-0x0000000000330000-0x0000000000354000-memory.dmp	upx
behavioral2/memory/1896-18-0x0000000075540000-0x0000000075564000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\72C80DCC.tmp	8efe38879f708a4f474abea32f862970_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	8efe38879f708a4f474abea32f862970_JaffaCakes118.exe

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	8efe38879f708a4f474abea32f862970_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4092	8efe38879f708a4f474abea32f862970_JaffaCakes118.exe
4092	8efe38879f708a4f474abea32f862970_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\8efe38879f708a4f474abea32f862970_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8efe38879f708a4f474abea32f862970_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4092

C:\Windows\SysWOW64\Svchost.exe
C:\Windows\SysWOW64\Svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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:\Users\Infotmp.txt

Filesize
720B

MD5
8d83d9d10341c9391ba4c991ae6ebce2

SHA1
121ad13e8071d1afe7466cc6bb1d6fdd05d1931c

SHA256
0cabcb2596a2bccec913cffc91dc89e67fe2af7d4e356ba1d0c1d394810f0e2d

SHA512
fd4b4571675122d367a7401b8c76d77ecbccd10c36b5aacf55e46e877826726ec55db4077a048773db8d066d2a2ce7778669379daf2f09b3a09a09e17867d7ac

Download Submit
\??\c:\windows\SysWOW64\fastuserswitchingcompatibility.dll

Filesize
83KB

MD5
dbf07479841535971d622d6679e2579c

SHA1
52a794a08b47cd8706e7d13f7427316562e256c3

SHA256
7cce58578cbf3b21224cd093f0faaa190dd2cbe253c7d65b189d9c6ebe924971

SHA512
83fa0baad5fc3e4f00df81b6d45646542896efe05828a59cde4819393dc4decc71aacf023d14a1ee2835f38a627e16644f394d3b89b9fe6fb19bf31915b39c8e

Download Submit
memory/1896-12-0x0000000075540000-0x0000000075564000-memory.dmp

Filesize
144KB

Download
memory/1896-14-0x0000000075540000-0x0000000075564000-memory.dmp

Filesize
144KB

Download
memory/1896-13-0x0000000075540000-0x0000000075564000-memory.dmp

Filesize
144KB

Download
memory/1896-18-0x0000000075540000-0x0000000075564000-memory.dmp

Filesize
144KB

Download
memory/4092-0-0x0000000000330000-0x0000000000354000-memory.dmp

Filesize
144KB

Download
memory/4092-2-0x0000000000330000-0x0000000000354000-memory.dmp

Filesize
144KB

Download
memory/4092-1-0x0000000000330000-0x0000000000354000-memory.dmp

Filesize
144KB

Download
memory/4092-8-0x0000000076A4C000-0x0000000076A4D000-memory.dmp

Filesize
4KB

Download
memory/4092-7-0x0000000077BE2000-0x0000000077BE3000-memory.dmp

Filesize
4KB

Download
memory/4092-19-0x0000000000330000-0x0000000000354000-memory.dmp

Filesize
144KB

Download