nanocore | 73673bac7ec4f39ff6bf55c74467fddb1876d028ca28bfcf10e7aab3a02d2d64

General

Target

99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe
Size

301KB
MD5

99e306b9f5101fb891df31047c3b0443
SHA1

dbc8befc30a1a9d6cf1ebd8402a0cbd8379a91da
SHA256

73673bac7ec4f39ff6bf55c74467fddb1876d028ca28bfcf10e7aab3a02d2d64
SHA512

69ddaf491ec373de018146906c8c555bff7e8746cd782dffa632dd0190fdc5aa76994507ec9fb312b1855c3398e70dda67fc6abf2a054819a4c5aeb3188579c4
SSDEEP

6144:6LV6Bta6dtJmakIM5Z6EvN65yGtMMnEcXs7hmc:6LV6BtpmkMMEcc7h7

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsv.exe"	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Service\dhcpsv.exe	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DHCP Service\dhcpsv.exe	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1616 schtasks.exe
4812 schtasks.exe

pid	process
1616	schtasks.exe
4812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

pid	process
4092	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe
4092	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe
4092	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

pid process

4092 99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 4092 99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	4092	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe

description	pid	process	target process
PID 4092 wrote to memory of 1616	4092	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe	schtasks.exe
PID 4092 wrote to memory of 1616	4092	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe	schtasks.exe
PID 4092 wrote to memory of 1616	4092	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe	schtasks.exe
PID 4092 wrote to memory of 4812	4092	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe	schtasks.exe
PID 4092 wrote to memory of 4812	4092	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe	schtasks.exe
PID 4092 wrote to memory of 4812	4092	99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\99e306b9f5101fb891df31047c3b0443_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4092

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8C32.tmp"
2⤵
- Creates scheduled task(s)
PID:1616

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8CA1.tmp"
2⤵
- Creates scheduled task(s)
PID:4812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8C32.tmp

Filesize
1KB

MD5
517275cd93d62e0dfd66cfa0f1cdb8f9

SHA1
eb0448980567f775dc4a6c9f97770f848426869c

SHA256
330396b2ecc0ccfc53fc20402f58d6e4871186fbe5392cc48999c5d32b7e7cc8

SHA512
4b302cb0a7a8d9ddb5ba0eace7690f4530de52954531a71bcc7bfdacdb65cf164a19fef73fb41acdc8ce96c65d58206c52408151d975285827abb3904e2b1041

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8CA1.tmp

Filesize
1KB

MD5
a77c223a0fc492dccd6fb9975f7a8766

SHA1
5e813636ae9b8138d78919348a5da3a6e8bd74b5

SHA256
589df7325d42409c50827600fedb240171ee4bdab85916474a37800c2382829e

SHA512
315cea8fde3c594404f5d3c96c710af1214cff6d08ccdb40634a739e108ff810e02624735a2b8c3e3720157b4a55327f317c3c23c3a681b46b9ab0f19060f7c0

Download Submit
memory/4092-0-0x0000000075272000-0x0000000075273000-memory.dmp

Filesize
4KB

Download
memory/4092-1-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/4092-2-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/4092-10-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/4092-11-0x0000000075272000-0x0000000075273000-memory.dmp

Filesize
4KB

Download
memory/4092-12-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/4092-13-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads