a3cd2e4d5f7302f9b5f6d802224038fd0e52139013044c531bfb614e6a2e8c87

General

Target

befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe
Size

108KB
MD5

befe4a55546c48fd3589719339f1add2
SHA1

4f2a11899431dbc10212358fa86af570a2f90833
SHA256

a3cd2e4d5f7302f9b5f6d802224038fd0e52139013044c531bfb614e6a2e8c87
SHA512

70236f297aa9277df09766d0aa87e87dbe00b439029c055c1fe109903b17bc6add88147bb061a067f430b04e651289b8969d4243db7234a11ef9191eb8a13c57
SSDEEP

1536:RySvEtQwOxcPz0wHNDYHQa/HAwai4HQHWFx7qzrzlayH+Jq3z/V2:tqPzZS9HA9i4HeYqzrzlayH+JqJ2

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2132	system
2384	yqeyie.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\x86-ms6012453.log	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\x86-ms6012452.log	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2384 set thread context of 1712	2384	yqeyie.exe	35

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\yqeyie.exe	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1732	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yqeyie.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	system
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	system

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1956	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe
1956	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe
2132	system

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2132	1956	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe	30
PID 1956 wrote to memory of 2132	1956	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe	30
PID 1956 wrote to memory of 2132	1956	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe	30
PID 1956 wrote to memory of 2132	1956	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe	30
PID 1956 wrote to memory of 2344	1956	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe	31
PID 1956 wrote to memory of 2344	1956	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe	31
PID 1956 wrote to memory of 2344	1956	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe	31
PID 1956 wrote to memory of 2344	1956	befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe	31
PID 2344 wrote to memory of 1732	2344	cmd.exe	33
PID 2344 wrote to memory of 1732	2344	cmd.exe	33
PID 2344 wrote to memory of 1732	2344	cmd.exe	33
PID 2344 wrote to memory of 1732	2344	cmd.exe	33
PID 2384 wrote to memory of 1712	2384	yqeyie.exe	35
PID 2384 wrote to memory of 1712	2384	yqeyie.exe	35
PID 2384 wrote to memory of 1712	2384	yqeyie.exe	35
PID 2384 wrote to memory of 1712	2384	yqeyie.exe	35
PID 2384 wrote to memory of 1712	2384	yqeyie.exe	35
PID 2384 wrote to memory of 1712	2384	yqeyie.exe	35

C:\Users\Admin\AppData\Local\Temp\befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\befe4a55546c48fd3589719339f1add2_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1956
- C:\system
  C:\system
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2132
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c sc start WMMNetworkGpf
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Windows\SysWOW64\sc.exe
    sc start WMMNetworkGpf
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:1732

C:\Program Files\yqeyie.exe
"C:\Program Files\yqeyie.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\windows\SysWOW64\svchost.exe
  C:\windows\system32\svchost.exe
  2⤵
  PID:1712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

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:\Program Files\yqeyie.exe

Filesize
10.1MB

MD5
ec3c0c1b727b0bac0500ec04652984d2

SHA1
d29b683f4984eef24c081196788d957abce53e25

SHA256
6ce49da9c22f16abdd3a0366559bd21388d14a47134e109ca29a0d894b5cc9ba

SHA512
0d5bf1f97c03221525773c0272fd04649f4ab1d0210e29900b05408b01729bfd1b47f6d5d0a62c7b795c953b074df3126e887ff6554f8717fec5b6161b925aa0

Download Submit
C:\system

Filesize
8.1MB

MD5
54e3dbc47a12596ed3788515cf3392f5

SHA1
a83b23d9ed521fa8b8c989e182e915920ba00472

SHA256
ff9f350255b4cac018535ef0eb5528fed6e34ae57f0ae930e7209c501e09c74b

SHA512
38ae2c496f7a235552ab5d5f17973e55698bbe6b56dc41a081d01c3eb497bbd5f78d130d9f6b45440a6520cff96d7342349b2dfcdfdba11f609eea900d7e0d30

Download Submit
memory/1712-15-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1712-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1712-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

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