238a3fec331af1e7ef2db4dac68d05e28eaa6236f88d02caf47fb0c7c8392514

General

Target

ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe
Size

206KB
MD5

ba65c8a4f16969465a5b11137aca884e
SHA1

f4064e93eb02d748a9aa5031fb1a0f9602ef1ab4
SHA256

238a3fec331af1e7ef2db4dac68d05e28eaa6236f88d02caf47fb0c7c8392514
SHA512

405a7537f0f03fec94298dfe5ad048b39ed1d943ddb8b2bc689ebc33b9117f0bd453f90b78b2cf5c854e7af1a15dac35d3d577d03b0cc574dd35b80c53b0349d
SSDEEP

3072:r8pIZRtf4rG+g+H45EoTLZ19grIkrtT8YBKBJvgsZaSUc8Y6YqJxabBFZG:r5XQy+miA9grIkZgYBKvvvZME68bBFM

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2536	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
336	csrss.exe

Unexpected DNS network traffic destination 4 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	94.242.250.64
Destination IP	94.242.250.64
Destination IP	94.242.250.64
Destination IP	94.242.250.64

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	\systemroot\assembly\GAC_64\Desktop.ini	csrss.exe
File created	\systemroot\assembly\GAC_32\Desktop.ini	csrss.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2944 set thread context of 2536	2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe	30

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	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe
2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe
2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe
2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe
336	csrss.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe
Token: SeDebugPrivilege	2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1264	Explorer.EXE
1264	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1264	Explorer.EXE
1264	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
336	csrss.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 1264	2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe	21
PID 2944 wrote to memory of 336	2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe	2
PID 2944 wrote to memory of 2536	2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe	30
PID 2944 wrote to memory of 2536	2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe	30
PID 2944 wrote to memory of 2536	2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe	30
PID 2944 wrote to memory of 2536	2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe	30
PID 2944 wrote to memory of 2536	2944	ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe	30
PID 336 wrote to memory of 868	336	csrss.exe	13

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:336

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
PID:868

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1264
- C:\Users\Admin\AppData\Local\Temp\ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ba65c8a4f16969465a5b11137aca884e_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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:\Windows\system32\consrv.dll

Filesize
52KB

MD5
6bf2039986af96d98e08824ac6c383fd

SHA1
0bb6384656a96943cb427baa92446f987219a02e

SHA256
a3e03454ff636f4cdd0a95b856ea9e7857cd3ce0fd2bc6d528ab45781349103f

SHA512
fae378badcd6b45d69705d11fe5feb2d9f93fa444249c13aff9b150359ffdbcfe2b160731e193d3e19b6eef18d2ef01de41549a1c2bbdf59501f901511f9068e

Download Submit
\??\globalroot\systemroot\assembly\temp\@

Filesize
2KB

MD5
cf990710175748b175c4af0601722c99

SHA1
8c9927f75c3dea64efa84acc5f63aac4ab1c4a26

SHA256
0192809476a2aef954fb75b28ebef2419555a0e13838ca3c2fe86967b462f844

SHA512
f55dc54a9d7444592a7afaba33f5770bbd3ffe9b9e3703969e6e99c7f0abeca2ddb008424af44acfe0e5ef7a9c88b9c72c0b318ee5bcda86d6a6b90c7477840a

Download Submit
memory/336-19-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download
memory/336-31-0x0000000000EB0000-0x0000000000EC1000-memory.dmp

Filesize
68KB

Download
memory/336-22-0x0000000000EB0000-0x0000000000EC1000-memory.dmp

Filesize
68KB

Download
memory/336-21-0x0000000000EB0000-0x0000000000EC1000-memory.dmp

Filesize
68KB

Download
memory/868-43-0x0000000000C70000-0x0000000000C7B000-memory.dmp

Filesize
44KB

Download
memory/868-42-0x0000000000C60000-0x0000000000C6B000-memory.dmp

Filesize
44KB

Download
memory/868-45-0x0000000000C70000-0x0000000000C7B000-memory.dmp

Filesize
44KB

Download
memory/868-33-0x0000000000C50000-0x0000000000C58000-memory.dmp

Filesize
32KB

Download
memory/868-34-0x0000000000C60000-0x0000000000C6B000-memory.dmp

Filesize
44KB

Download
memory/868-38-0x0000000000C60000-0x0000000000C6B000-memory.dmp

Filesize
44KB

Download
memory/1264-6-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1264-14-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1264-5-0x0000000002590000-0x0000000002592000-memory.dmp

Filesize
8KB

Download
memory/1264-10-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/2944-4-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2944-2-0x0000000000430000-0x0000000000434000-memory.dmp

Filesize
16KB

Download
memory/2944-0-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2944-30-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2944-26-0x0000000000430000-0x0000000000434000-memory.dmp

Filesize
16KB

Download
memory/2944-25-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2944-3-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2944-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download

Analysis

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