c05fad545c678d2377dbfc8ca1f575e2547bd0608c1d0e63a006665505765402

General

Target

5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
Size

180KB
MD5

5385ceaa35bf204498eb87815a385e23
SHA1

20c362b0b0c8f542c6eabbc0ec08c71bd698acf6
SHA256

c05fad545c678d2377dbfc8ca1f575e2547bd0608c1d0e63a006665505765402
SHA512

4b8fa3e47da9480faf22937ef053dc0f64fc33d685686cef5f4612e2fd65d7c73ececce4261e6a5a0e81d38a33fe2fcb56625014424f146f3e6592c918880405
SSDEEP

3072:PpzRNYuluupWyvbOijh7UAoaI52pySvl3nW0CWcscGF8ZHmt4qE48HnX:PZRvupm9UX5WflXW5Wc88wGf4o

Score

6^/10

discovery evasion trojan upx

Malware Config

Signatures

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\nsinet.exe	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\nsinet.exe	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/524-3-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/524-4-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/524-1-0x0000000010000000-0x000000001004C000-memory.dmp	upx

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Instant Access\Multi\20091002021007\js\js_api_dialer.php	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20091002021007\dialerexe.ini	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20091002021007\instant access.exe	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\GAMMA.lnk	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
File created	C:\Program Files (x86)\Instant Access\Center\GAMMA.lnk	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Center\GAMMA.lnk	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20091002021007\Common\module.php	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20091002021007\medias\dialer.ico	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\dialexe.epk	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
File created	C:\Windows\dialerexe.ini	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
File created	C:\Windows\dialexe.zl	5385ceaa35bf204498eb87815a385e23_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 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	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF1C8E21-4045-4D67-B528-335F1A4F0DE9}	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF1C8E21-4045-4D67-B528-335F1A4F0DE9}\LocalServer32	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF1C8E21-4045-4D67-B528-335F1A4F0DE9}\LocalServer32\ = "C:\\Windows\\SysWow64\\nsinet.exe /run"	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
524	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
524	5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5385ceaa35bf204498eb87815a385e23_JaffaCakes118.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:524

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:1344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

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

C:\Program Files (x86)\Instant Access\DesktopIcons\GAMMA.lnk

Filesize
2KB

MD5
1c29125b92171c03ee74b4d61a946472

SHA1
9490f0fc2e3eb08addfe6043169e5b5e8c566b28

SHA256
abdb00a17af45cfd590938783b21be9f612719fd24638fba4c079470ffbc49ec

SHA512
c77d0609ae7e7dacb0100b8d149f159e8ffa6dbcc89999e8c672ddb7af8a2d512890dca18c012b7d3009fb4f5d7db3dadd1d266c6c90523b4c822460af4c3961

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20091002021007\instant access.exe

Filesize
180KB

MD5
5385ceaa35bf204498eb87815a385e23

SHA1
20c362b0b0c8f542c6eabbc0ec08c71bd698acf6

SHA256
c05fad545c678d2377dbfc8ca1f575e2547bd0608c1d0e63a006665505765402

SHA512
4b8fa3e47da9480faf22937ef053dc0f64fc33d685686cef5f4612e2fd65d7c73ececce4261e6a5a0e81d38a33fe2fcb56625014424f146f3e6592c918880405

Download Submit
C:\Windows\dialerexe.ini

Filesize
687B

MD5
ef8c05119050599e59c008c47c9d5d30

SHA1
acdae2cb480c011b1ae4e084e749df3b8260b3ad

SHA256
32cc7be9db3e2a211ebb04a63abf7a339f585a92864446c2d48d1125a72bc71c

SHA512
0145c6138f3b19501f91545d553b0649d7c51bf4dfa8bc7a155b51026b9b51e524cecff1138429b1d4f2924fd1f0c4936e4a4971a1e0c2812e871f8ea08f88cd

Download Submit
memory/524-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/524-3-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/524-4-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/524-5-0x0000000000400000-0x0000000000443908-memory.dmp

Filesize
270KB

Download
memory/524-1-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/524-42-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

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