neshta | b62cd2225131c81d38d26c5bf8e6fd600f0c87312d4cc155a489630de166f8ec

General

Target

5a431c261a52936fcb11d8c65d6b7838_JaffaCakes118.exe
Size

8.8MB
MD5

5a431c261a52936fcb11d8c65d6b7838
SHA1

3fe7ce03fa0b4608a3808fd218dd4f1963d61aef
SHA256

b62cd2225131c81d38d26c5bf8e6fd600f0c87312d4cc155a489630de166f8ec
SHA512

61f6364e76198ba976f314afbc6e98fdcd199de80bd27583f2fbaa71636f3b02f2acb1defa330d73342dc58de7cc61a1e22779d2a357095242871774bb80166b
SSDEEP

49152:ohPg95YC1yRr5R+jzA66ymAu1Rx48D9d5VGoemckeh7ns3xHzX11w+XYxCjLuWVT:8gXt1yRr8zA6POQVh7n+xb11w+XYxC0

Score

10^/10

Malware Config

Signatures

Detect Neshta payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001211b-26.dat	family_neshta

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta

Executes dropped EXE 1 IoCs

pid	Process
2360	taskhost.exe

Loads dropped DLL 2 IoCs

pid	Process
1700	5a431c261a52936fcb11d8c65d6b7838_JaffaCakes118.exe
1700	5a431c261a52936fcb11d8c65d6b7838_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Task Host = "C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe"	5a431c261a52936fcb11d8c65d6b7838_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Task Host = "C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe"	5a431c261a52936fcb11d8c65d6b7838_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	5a431c261a52936fcb11d8c65d6b7838_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2360	1700	5a431c261a52936fcb11d8c65d6b7838_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2360	1700	5a431c261a52936fcb11d8c65d6b7838_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2360	1700	5a431c261a52936fcb11d8c65d6b7838_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2360	1700	5a431c261a52936fcb11d8c65d6b7838_JaffaCakes118.exe	30
PID 2360 wrote to memory of 3028	2360	taskhost.exe	31
PID 2360 wrote to memory of 3028	2360	taskhost.exe	31
PID 2360 wrote to memory of 3028	2360	taskhost.exe	31
PID 2360 wrote to memory of 3028	2360	taskhost.exe	31
PID 3028 wrote to memory of 2748	3028	cmd.exe	33
PID 3028 wrote to memory of 2748	3028	cmd.exe	33
PID 3028 wrote to memory of 2748	3028	cmd.exe	33
PID 3028 wrote to memory of 2748	3028	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\5a431c261a52936fcb11d8c65d6b7838_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5a431c261a52936fcb11d8c65d6b7838_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Users\Admin\AppData\Roaming\taskhost.exe
  C:\Users\Admin\AppData\Roaming\taskhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /A /C "cmd.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3028
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Roaming\taskhost.exe

Filesize
8.8MB

MD5
5a431c261a52936fcb11d8c65d6b7838

SHA1
3fe7ce03fa0b4608a3808fd218dd4f1963d61aef

SHA256
b62cd2225131c81d38d26c5bf8e6fd600f0c87312d4cc155a489630de166f8ec

SHA512
61f6364e76198ba976f314afbc6e98fdcd199de80bd27583f2fbaa71636f3b02f2acb1defa330d73342dc58de7cc61a1e22779d2a357095242871774bb80166b

Download Submit
memory/1700-24-0x0000000002100000-0x00000000021E8000-memory.dmp

Filesize
928KB

Download
memory/1700-16-0x0000000000310000-0x0000000000320000-memory.dmp

Filesize
64KB

Download
memory/1700-8-0x0000000000300000-0x0000000000310000-memory.dmp

Filesize
64KB

Download
memory/1700-0-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/2360-58-0x0000000002420000-0x0000000002508000-memory.dmp

Filesize
928KB

Download
memory/2360-50-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/2360-42-0x0000000000280000-0x0000000000290000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads