nanocore | bcfbfc42a78e7d28bf25e0b6d0a9bf305488d58f8eb07579c4948f2438171446

General

Target

dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe
Size

417KB
MD5

dadfb843f67fb91c7c5a1ff269a937a7
SHA1

e7fc816570212c2e22053d6525a1962b3f0b8bb6
SHA256

bcfbfc42a78e7d28bf25e0b6d0a9bf305488d58f8eb07579c4948f2438171446
SHA512

cb85fff98e9fb09a70de832853b068e252520fe35072e41b8a1624a46dce4614551778dcff550f684aa7775e02e361e2e79028e6ac2ef04129052b723d8e63d8
SSDEEP

6144:q4Dx2lA9gQh7pi0wL6evuzlBPTNQVcDJYlPO2mEQYRnjHbThNarkYxIpPPM:q4FX9Dlhes7PTNQVmKlJmijHnV

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kamuchehddhgfgf.ddns.net:1187

37.0.10.22:1187

Mutex

9ff0e8a4-a323-4111-bc49-0daecb63120d

Attributes

activate_away_mode
true
backup_connection_host
37.0.10.22
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-17T00:05:39.048278936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1187
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
9ff0e8a4-a323-4111-bc49-0daecb63120d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
kamuchehddhgfgf.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 Service = "C:\\Program Files (x86)\\PCI Service\\pcisvc.exe"	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.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	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4508 set thread context of 872	4508	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe	97

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\PCI Service\pcisvc.exe	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\PCI Service\pcisvc.exe	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
872	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe
872	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe
872	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
872	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	872	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 872	4508	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe	97
PID 4508 wrote to memory of 872	4508	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe	97
PID 4508 wrote to memory of 872	4508	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe	97
PID 4508 wrote to memory of 872	4508	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe	97
PID 4508 wrote to memory of 872	4508	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe	97
PID 4508 wrote to memory of 872	4508	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe	97
PID 4508 wrote to memory of 872	4508	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe	97
PID 4508 wrote to memory of 872	4508	dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Users\Admin\AppData\Local\Temp\dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe"
  2⤵
  - 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
  PID:872

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dadfb843f67fb91c7c5a1ff269a937a7_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/872-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/872-23-0x00000000057C0000-0x00000000057D0000-memory.dmp

Filesize
64KB

Download
memory/872-22-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/872-21-0x0000000006250000-0x000000000625A000-memory.dmp

Filesize
40KB

Download
memory/872-20-0x00000000057A0000-0x00000000057BE000-memory.dmp

Filesize
120KB

Download
memory/872-19-0x0000000005790000-0x000000000579A000-memory.dmp

Filesize
40KB

Download
memory/872-16-0x00000000057C0000-0x00000000057D0000-memory.dmp

Filesize
64KB

Download
memory/872-15-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4508-5-0x0000000005180000-0x000000000518A000-memory.dmp

Filesize
40KB

Download
memory/4508-10-0x0000000007CD0000-0x0000000007D2C000-memory.dmp

Filesize
368KB

Download
memory/4508-9-0x0000000007BD0000-0x0000000007C6C000-memory.dmp

Filesize
624KB

Download
memory/4508-8-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/4508-14-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4508-7-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4508-6-0x0000000005770000-0x000000000577E000-memory.dmp

Filesize
56KB

Download
memory/4508-1-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4508-4-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/4508-3-0x00000000050D0000-0x0000000005162000-memory.dmp

Filesize
584KB

Download
memory/4508-2-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download
memory/4508-0-0x00000000006C0000-0x000000000072E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads