nanocore | ff0f61d37eb38011e35040d672a9aa628bd689455f722292b3a28bfe862d993c

General

Target

de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe
Size

803KB
MD5

de9534615f4c1b39dc188166b57a2e67
SHA1

1d607905629c1893b0bb472550f0df9a7eab9b26
SHA256

ff0f61d37eb38011e35040d672a9aa628bd689455f722292b3a28bfe862d993c
SHA512

9d2f2f102a4acece62a51acb45e3359f8f6986532adc8d782d942f0afbd00d0bbc06f3e703bea029afc17bdc2d2cec8f6e69eff13875973b0572d0174dc14d14
SSDEEP

12288:aUQ1dt2VBcwyDpQrncUBwyPpjSSq+M6Ongu7iUx3CQSwAblUOTw20pWUK:ah2TR6yISqfgXUjK+J2JUK

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

simi123.ddns.net:1050

Mutex

17e0715e-c70c-4fd2-b2ed-92fa0487cd81

Attributes

activate_away_mode
true
backup_connection_host
simi123.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-06-13T16:20:49.890481436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1050
default_group
Default
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
17e0715e-c70c-4fd2-b2ed-92fa0487cd81
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
simi123.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Manager = "C:\\Program Files (x86)\\PCI Manager\\pcimgr.exe"	regasm.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	regasm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1312 set thread context of 2692	1312	de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe	30

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\PCI Manager\pcimgr.exe	regasm.exe
File opened for modification	C:\Program Files (x86)\PCI Manager\pcimgr.exe	regasm.exe

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	de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1312	de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe
2692	regasm.exe
2692	regasm.exe
2692	regasm.exe
2692	regasm.exe
2692	regasm.exe
2692	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2692	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	regasm.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 2692	1312	de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe	30
PID 1312 wrote to memory of 2692	1312	de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe	30
PID 1312 wrote to memory of 2692	1312	de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe	30
PID 1312 wrote to memory of 2692	1312	de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe	30
PID 1312 wrote to memory of 2692	1312	de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe	30
PID 1312 wrote to memory of 2692	1312	de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe	30
PID 1312 wrote to memory of 2692	1312	de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe	30
PID 1312 wrote to memory of 2692	1312	de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe	30
PID 1312 wrote to memory of 2692	1312	de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de9534615f4c1b39dc188166b57a2e67_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2692

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 Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1312-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1312-1-0x0000000001FC0000-0x00000000020B5000-memory.dmp

Filesize
980KB

Download
memory/1312-2-0x0000000003730000-0x0000000003825000-memory.dmp

Filesize
980KB

Download
memory/1312-12-0x0000000003730000-0x0000000003825000-memory.dmp

Filesize
980KB

Download
memory/1312-11-0x0000000001FC0000-0x00000000020B5000-memory.dmp

Filesize
980KB

Download
memory/1312-6-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2692-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2692-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2692-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2692-13-0x0000000073C02000-0x0000000073C04000-memory.dmp

Filesize
8KB

Download
memory/2692-16-0x0000000073C02000-0x0000000073C04000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads