d1e36cd9773325cc05b50a0b5e9354138fa725f47186263804185fa0b5383cae

General

Target

dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe
Size

301KB
MD5

dabe00f7f52015eb25ea638bf1789a39
SHA1

19c289352343f0bd8dc92d793c76c1916951eb31
SHA256

d1e36cd9773325cc05b50a0b5e9354138fa725f47186263804185fa0b5383cae
SHA512

d8a2531c71e142005e7d293e64a66b6b8f75e1e6ec1e9e79a6d15feccb954abcd61b2da52f82d14329f388cac1397b90fe6a1dc0a062d5cbde56ca86dd2a71e1
SSDEEP

6144:NOIvzB25lgNXGiw4ucE6IWY/TY41KTwwR2mI/s:NOgt25uQiw4uj6IY4YTwwkU

Score

8^/10

discovery evasion persistence trojan upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Szfmba = "C:\\Windows\\SysWOW64\\ufati.exe"	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	ufati.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	dabe00f7f52015eb25ea638bf1789a39_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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	ufati.exe

Executes dropped EXE 1 IoCs

pid	Process
1840	ufati.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4620-0-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral2/memory/4620-6-0x0000000000740000-0x00000000007DA000-memory.dmp	upx
behavioral2/memory/4620-7-0x0000000000740000-0x00000000007DA000-memory.dmp	upx
behavioral2/memory/4620-5-0x0000000000740000-0x00000000007DA000-memory.dmp	upx
behavioral2/memory/4620-3-0x0000000000740000-0x00000000007DA000-memory.dmp	upx
behavioral2/memory/4620-9-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral2/memory/4620-10-0x0000000000740000-0x00000000007DA000-memory.dmp	upx
behavioral2/memory/4620-31-0x0000000000740000-0x00000000007DA000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ufati.exe	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\ufati.exe	dabe00f7f52015eb25ea638bf1789a39_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 4 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	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ufati.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1228	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4620	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe
4620	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe
4620	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe
4620	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4620	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1840	ufati.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 1840	4620	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe	95
PID 4620 wrote to memory of 1840	4620	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe	95
PID 4620 wrote to memory of 1840	4620	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe	95
PID 4620 wrote to memory of 3064	4620	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe	97
PID 4620 wrote to memory of 3064	4620	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe	97
PID 4620 wrote to memory of 3064	4620	dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe	97
PID 1840 wrote to memory of 1228	1840	ufati.exe	99
PID 1840 wrote to memory of 1228	1840	ufati.exe	99
PID 1840 wrote to memory of 1228	1840	ufati.exe	99

C:\Users\Admin\AppData\Local\Temp\dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4620
- C:\Windows\SysWOW64\ufati.exe
  C:\Windows\SysWOW64\ufati.exe
  2⤵
  - Drops file in Drivers directory
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1840
- - C:\Windows\SysWOW64\ipconfig.exe
    "C:\Windows\system32\ipconfig.exe" /flushdns
    3⤵
    - System Location Discovery: System Language Discovery
    - Gathers network information
    PID:1228
- C:\Windows\SysWOW64\cmd.exe
  /c C:\Users\Admin\AppData\Local\Temp\~unins6484.bat "C:\Users\Admin\AppData\Local\Temp\dabe00f7f52015eb25ea638bf1789a39_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

5

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\~unins6484.bat

Filesize
49B

MD5
9e0a2f5ab30517809b95a1ff1dd98c53

SHA1
5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

SHA256
97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

SHA512
e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

Download Submit
C:\Users\Adminxplore.exe

Filesize
2KB

MD5
a48249517f2f7a1b7e87e31b58d676d2

SHA1
e7e21a080b40af4df354e6dd2f5451b06870caf0

SHA256
18cf01cdfe2084e965e0358192de6b8fb2abdeee6ec47f00e772642e97bc5326

SHA512
fc4933d4a84671877e5c61a4b5232e6e1bb9faecb0e45bfb145f9d73be81b9047cf79ebaaaa74b95439b9559688f16f487ff1dc4cc4ba9711f3aea8357d30c73

Download Submit
C:\Windows\SysWOW64\ufati.exe

Filesize
108KB

MD5
9339130682dffd3a445ce83b3d3dfbea

SHA1
72f0d90e66d8c46ec8a619684e02fbd05f0c6f52

SHA256
07deab757384c44fe4e1e06eb096711488677067aadf0904c8de7b7bcbf5ce28

SHA512
7ee02da02648972939e259e51b9b7631cf0b7eb22ef0cd6f315902758a4bd54805a61583d318c066d9d1a67ab40f37e974e5b65a4572526dc16f2d267476761e

Download Submit
memory/4620-7-0x0000000000740000-0x00000000007DA000-memory.dmp

Filesize
616KB

Download
memory/4620-5-0x0000000000740000-0x00000000007DA000-memory.dmp

Filesize
616KB

Download
memory/4620-8-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/4620-3-0x0000000000740000-0x00000000007DA000-memory.dmp

Filesize
616KB

Download
memory/4620-9-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4620-10-0x0000000000740000-0x00000000007DA000-memory.dmp

Filesize
616KB

Download
memory/4620-0-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4620-6-0x0000000000740000-0x00000000007DA000-memory.dmp

Filesize
616KB

Download
memory/4620-1-0x00000000001C0000-0x00000000001F6000-memory.dmp

Filesize
216KB

Download
memory/4620-31-0x0000000000740000-0x00000000007DA000-memory.dmp

Filesize
616KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads