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
behavioral2/memory/4816-0-0x0000000000F00000-0x0000000001D1E000-memory.dmp	upx
behavioral2/memory/4816-2-0x0000000000F00000-0x0000000001D1E000-memory.dmp	upx
behavioral2/memory/4816-6-0x0000000000F00000-0x0000000001D1E000-memory.dmp	upx
behavioral2/memory/4816-16-0x0000000000F00000-0x0000000001D1E000-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 4816 set thread context of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4256	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
4256	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
4256	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
4256	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4256	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
4256	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
4256	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe
4256	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91
PID 4816 wrote to memory of 4256	4816	db3b0149d23b54b9128ccc0b7e10e799_JaffaCakes118.exe	91

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:4816
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/4256-11-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4256-19-0x0000000003790000-0x0000000003791000-memory.dmp

Filesize
4KB

Download
memory/4256-23-0x0000000003790000-0x0000000003791000-memory.dmp

Filesize
4KB

Download
memory/4256-3-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4256-4-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4256-22-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4256-7-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4256-9-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4256-21-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4256-15-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4256-12-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4256-18-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4256-17-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4816-0-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/4816-16-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/4816-1-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/4816-6-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/4816-2-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download

Analysis

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