43627f7de4f4090d65251f63584aa658c76f494fdafb4e1cea172afa62f1e297

General

Target

db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
Size

4.7MB
MD5

db3b0149d23b54b9128ccc0b7e10e799
SHA1

f2428b24db506bc90101b14dc9d202dabc0b1662
SHA256

43627f7de4f4090d65251f63584aa658c76f494fdafb4e1cea172afa62f1e297
SHA512

3cf66394462424ce07c1e3f58455e9d7c0b85e7d9c82b18e6861fcadfa6f3f145f7396a3b4a43c1d48a72239f3fec59bc3e88cf869dfcd1317b235380479ab83
SSDEEP

98304:TC6Qy6r3jIdh0TVmtavHZl9t3sGPmF6NrsiMFyCG64ZUnU7T:LX6rzw0TVzv56X6NsPftU3

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2520-0-0x0000000000F00000-0x0000000001D1E000-memory.dmp	upx
behavioral1/memory/2520-28-0x0000000000F00000-0x0000000001D1E000-memory.dmp	upx
behavioral1/memory/2728-30-0x0000000000F00000-0x0000000001D1E000-memory.dmp	upx
behavioral1/memory/2520-32-0x0000000000F00000-0x0000000001D1E000-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

Maps connected drives based on registry 3 TTPs 3 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\Count	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30

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 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	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2728	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
2728	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2728	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
2728	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
2728	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
2728	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

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

memory/2520-0-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/2520-1-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2520-2-0x0000000004380000-0x000000000519E000-memory.dmp

Filesize
14.1MB

Download
memory/2520-32-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/2520-28-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/2728-10-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-33-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2728-13-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-16-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-19-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-22-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-5-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-27-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-26-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-30-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/2728-7-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-3-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-31-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-34-0x0000000004810000-0x000000000562E000-memory.dmp

Filesize
14.1MB

Download
memory/2728-36-0x0000000000EF0000-0x0000000000F00000-memory.dmp

Filesize
64KB

Download
memory/2728-37-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-38-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-40-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2728-39-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2728-41-0x0000000004810000-0x000000000562E000-memory.dmp

Filesize
14.1MB

Download

Analysis

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