e4f11dbd7a741894a9a2fe88edfb862d78f6f2b86a59a313dc81bd4cfd2bbd6e

General

Target

a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe
Size

180KB
MD5

a56ec0f9bd46f921f65e4f6e598e5ed0
SHA1

76d0746a181d08d6741ac40ee9576dc5e422ed25
SHA256

e4f11dbd7a741894a9a2fe88edfb862d78f6f2b86a59a313dc81bd4cfd2bbd6e
SHA512

5216c64414eae3dbe53eceac0dd49d9638defc8ada96924545f267aaa706b988d472f8952e5ebfded91353eeb416e5479277c7322ca6bf24d268bffe685f50bb
SSDEEP

3072:qpqcso4npSggsWPAR3O46TUMmUtDlBXA/Ky7YiNLfHujx00B5B+RfT9RFrfHOSGK:+qcsokpSg9WIp6TDmaTA/TseLfOfHBGV

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2104	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
332	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 2148 set thread context of 2104	2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe	31

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe
2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe
2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe
2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe
332	csrss.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe
Token: SeDebugPrivilege	2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
332	csrss.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 1184	2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe	21
PID 2148 wrote to memory of 332	2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe	2
PID 332 wrote to memory of 2816	332	csrss.exe	30
PID 332 wrote to memory of 2816	332	csrss.exe	30
PID 2148 wrote to memory of 2104	2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2104	2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2104	2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2104	2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2104	2148	a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe	31
PID 332 wrote to memory of 852	332	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:332

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
PID:852
- C:\Windows\system32\wbem\WMIADAP.EXE
  wmiadap.exe /F /T /R
  2⤵
  PID:2816

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\a56ec0f9bd46f921f65e4f6e598e5ed0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a56ec0f9bd46f921f65e4f6e598e5ed0_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:2148
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2104

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
d9ecc90afe8fd6461fc71446c0cf7088

SHA1
79326eda6d85d2d25e201f29cbd487f36500c2d5

SHA256
fa088107d97f507bf48fb119b6388f0c792849ac57e7a8d47485179d0502c190

SHA512
140f8784faf206e5774395108ec8f66833158b30c0e347300616b167ad240a27e38faa3bca9078fa5d6c0a364b6722cd4d7c936ceed6974689f2c66b58cf77ad

Download Submit
memory/332-26-0x00000000022B0000-0x00000000022C1000-memory.dmp

Filesize
68KB

Download
memory/332-20-0x00000000022B0000-0x00000000022C1000-memory.dmp

Filesize
68KB

Download
memory/332-30-0x00000000022B0000-0x00000000022C1000-memory.dmp

Filesize
68KB

Download
memory/332-19-0x00000000022B0000-0x00000000022C1000-memory.dmp

Filesize
68KB

Download
memory/332-17-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/852-40-0x0000000000BD0000-0x0000000000BD8000-memory.dmp

Filesize
32KB

Download
memory/852-44-0x0000000000BF0000-0x0000000000BFB000-memory.dmp

Filesize
44KB

Download
memory/852-41-0x0000000000BE0000-0x0000000000BEB000-memory.dmp

Filesize
44KB

Download
memory/852-36-0x0000000000BE0000-0x0000000000BEB000-memory.dmp

Filesize
44KB

Download
memory/852-32-0x0000000000BE0000-0x0000000000BEB000-memory.dmp

Filesize
44KB

Download
memory/852-42-0x0000000000BF0000-0x0000000000BFB000-memory.dmp

Filesize
44KB

Download
memory/852-45-0x0000000000BF0000-0x0000000000BFB000-memory.dmp

Filesize
44KB

Download
memory/1184-8-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1184-4-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1184-12-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002CE0000-0x0000000002CE2000-memory.dmp

Filesize
8KB

Download
memory/2148-29-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2148-24-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2148-23-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/2148-0-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/2148-2-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2148-1-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download

Analysis

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