f015be3e959f74410712a5cbb42bacda0623b6433c8ab00b4a29319bdece0354

General

Target

dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe
Size

3.8MB
MD5

dcc91b786af6d5e98862cdbf7c1b32c4
SHA1

f27d0f09dd39ba23e334126e9407f8558bf2b0c0
SHA256

f015be3e959f74410712a5cbb42bacda0623b6433c8ab00b4a29319bdece0354
SHA512

d8181ca27becfbd8a61b3ae64287de83d00375834d4a59de5e5feeb9c137abd751e0bacd3ff0589ac10a1bbbb4e21020af8f0921216aee0f4af4dd13f736fb9c
SSDEEP

98304:uZuarCtWyX0p+tUFHtrXCDHGkSn8b+vPdz:uZHrzyG+2aDHGkS8C1

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1460-0-0x0000000000F00000-0x00000000019F4000-memory.dmp	upx
behavioral2/memory/1460-14-0x0000000000F00000-0x00000000019F4000-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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\Count	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1460 set thread context of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_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	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2948	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe
2948	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe
2948	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe
2948	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2948	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe
2948	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe
2948	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe
2948	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91
PID 1460 wrote to memory of 2948	1460	dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Users\Admin\AppData\Local\Temp\dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\dcc91b786af6d5e98862cdbf7c1b32c4_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2948

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/1460-14-0x0000000000F00000-0x00000000019F4000-memory.dmp

Filesize
11.0MB

Download
memory/1460-1-0x0000000000EE0000-0x0000000000EE1000-memory.dmp

Filesize
4KB

Download
memory/1460-0-0x0000000000F00000-0x00000000019F4000-memory.dmp

Filesize
11.0MB

Download
memory/2948-9-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2948-13-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2948-10-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2948-16-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

Filesize
4KB

Download
memory/2948-15-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2948-2-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2948-7-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2948-4-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2948-5-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2948-18-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2948-19-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2948-20-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

Filesize
4KB

Download
memory/2948-21-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download

Analysis

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