9966fc9a4ef85925a9500e325f8f371bbe74df367e8c25146f090c4ada940305

General

Target

961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe
Size

75KB
MD5

961dbc1aef8dc473ac367465075a4708
SHA1

2da4ef5829b7fb71bfc1d4e7ae3a8bacda6b0f75
SHA256

9966fc9a4ef85925a9500e325f8f371bbe74df367e8c25146f090c4ada940305
SHA512

8dac7fcaaeb62bbb8a5a2b769a36978dde71aedde89c99e2102969485fea3debb8bdb0ed071273fb7a3568158025b85919340e1fe345ab84617bfae099d10e09
SSDEEP

1536:KzJ2W1Dy3qfHTGFq+/UbyyiVz9TwMWpo1rsiV5Spe9EC632B8mA6EZE6:KtbFy3qfH6Yc0r0xTwMWpoTV5SpLQ8x1

Score

8^/10

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\DNS\Parameters\ServiceDll = "C:\\Windows\\system32\\adsmt.dll"	961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe

Loads dropped DLL 3 IoCs

pid	Process
2372	961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe
2372	961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe
1528	svchost.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023482-2.dat	upx
behavioral2/memory/2372-6-0x0000000002050000-0x000000000207E000-memory.dmp	upx
behavioral2/memory/1528-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1528-21-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\adsmt.dll	961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\adsmt.dll	961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2968	1528	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 3 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	961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2372	961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe
2372	961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe
1528	svchost.exe
1528	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 5084	2372	961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe	92
PID 2372 wrote to memory of 5084	2372	961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe	92
PID 2372 wrote to memory of 5084	2372	961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\961dbc1aef8dc473ac367465075a4708_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240628937.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5084

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc -s DNS
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 720
  2⤵
  - Program crash
  PID:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1528 -ip 1528
1⤵
PID:3096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

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:\Users\Admin\AppData\Local\Temp\240628781.tmp

Filesize
64KB

MD5
acc7862b21e9815a0ab54fc499fb4038

SHA1
9aa275a7cbce473fafbf920934a7af70932c3c28

SHA256
31e4a30e02f48b23c90716f093050d45aeea3705ad18686ec60766e9dd5ddce1

SHA512
419a358344670e395d3702fd69171cdf0577d461f2a984dfd7fb6305b74be62b1bcbc6a9936dc2202ad3a112b3dd52ef953329394e9006adba2fb41f27777e73

Download Submit
C:\Users\Admin\AppData\Local\Temp\240628937.bat

Filesize
278B

MD5
42e3f51df950fe24e943859aac6554f9

SHA1
2c310b0ef0938826821b99b885f604f9deaf157e

SHA256
eb23bcc06633b4641786f3197199491b4f63595df6bd94e5375c79d0ebadb3db

SHA512
ae8b4c011957b707ad8b86cbc3abfd91d160cbbb70bb35ea572c8d111928a70c53dc1d796133aa7d4a5d0199deaace8261bfa6b5acdbdc816a185a18978899de

Download Submit
memory/1528-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1528-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2372-0-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/2372-6-0x0000000002050000-0x000000000207E000-memory.dmp

Filesize
184KB

Download
memory/2372-18-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

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