nanocore | 881c500e546e1321c5dc627a77800f0fa8986740cd9f1c880d1ca51b1b735735

General

Target

487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe
Size

763KB
MD5

487ebcf62e60ac87c55d75e9ea14de1c
SHA1

a75384cb4759f6f13e8511bfc4af7f689e8af0d2
SHA256

881c500e546e1321c5dc627a77800f0fa8986740cd9f1c880d1ca51b1b735735
SHA512

d81e241d067dc8905318a2a9069b9562bad06b090d61879e27250dcc35a7c63bbf6d22bb000ad9fa8008bf2e201b5fafb3972953c5ab2f462474e7f327976a1e
SSDEEP

12288:ZZi9709qfXjGoIrfGjaRJJtwH+40kk9kTHe8xAPzMXu1nbgh:ZZ4IrGj4J8a0HZ81lk

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.140.53.176:3765

Mutex

82fc2933-5a5f-4489-9daa-c2dc48469e2f

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-06T00:47:56.924731936Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3765
default_group
BIZ SALES
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
82fc2933-5a5f-4489-9daa-c2dc48469e2f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.140.53.176
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe

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 Host = "C:\\Program Files (x86)\\PCI Host\\pcihost.exe"	487ebcf62e60ac87c55d75e9ea14de1c_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	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1788 set thread context of 4012	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	91

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\PCI Host\pcihost.exe	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\PCI Host\pcihost.exe	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1104	schtasks.exe
1712	schtasks.exe
3380	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe
4012	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe
4012	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe
4012	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4012	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe
Token: SeDebugPrivilege	4012	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1712	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	89
PID 1788 wrote to memory of 1712	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	89
PID 1788 wrote to memory of 1712	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	89
PID 1788 wrote to memory of 4012	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	91
PID 1788 wrote to memory of 4012	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	91
PID 1788 wrote to memory of 4012	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	91
PID 1788 wrote to memory of 4012	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	91
PID 1788 wrote to memory of 4012	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	91
PID 1788 wrote to memory of 4012	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	91
PID 1788 wrote to memory of 4012	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	91
PID 1788 wrote to memory of 4012	1788	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	91
PID 4012 wrote to memory of 3380	4012	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	92
PID 4012 wrote to memory of 3380	4012	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	92
PID 4012 wrote to memory of 3380	4012	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	92
PID 4012 wrote to memory of 1104	4012	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	94
PID 4012 wrote to memory of 1104	4012	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	94
PID 4012 wrote to memory of 1104	4012	487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YzyVekc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp344A.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1712
- C:\Users\Admin\AppData\Local\Temp\487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe
  "{path}"
  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
  - Suspicious use of WriteProcessMemory
  PID:4012
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3738.tmp"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3380
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3777.tmp"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

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\487ebcf62e60ac87c55d75e9ea14de1c_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp344A.tmp

Filesize
1KB

MD5
6d8586b9ccf84dda68055db248fc257b

SHA1
917a6a0474e7aef3b03b729ebabc48a62b13c034

SHA256
610c8bc517091adf2aa43c26a72976b3a326c81ad0a3963b8147ef9134f778eb

SHA512
e7305dc0345a44cca64286d0e87d8c831f6a9a9ad26d9ef254d6e7fa6f17e1caf9199a0ca705de716cff9e24d22e8f19640e1aae17473c0a48180b5ec4233248

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3738.tmp

Filesize
1KB

MD5
05ece91625dd985e362a733dcf8f6311

SHA1
f40d181119735ad7b81eee3350adf6e109d26c18

SHA256
115aeaa41aca77817ba70fc58ea65dcdb42571b2415b59a30030f2317efe7912

SHA512
279f58563b052269d51535391050cec3e75fdd4a99dcaa00aaa23da5097627c40de6c7e14490f71d4e913e793b0aab83fd3d67f85e9f5234967279adbca6295f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3777.tmp

Filesize
1KB

MD5
3c35990c98872b316fad403650992dd2

SHA1
843fbd1aecd8bd8f2e94d15fa1365c89b1399b90

SHA256
87cf802d7bf0d73b28ec2f715967251fe6f3fb99d0d5757af68d9d9047675fd5

SHA512
845c10572499cf334ae4c6cf24c6cea2e22863be34bf44e0d7502be565aff5a3179b1332b4cdcc7a7bae1e5d98098b996bb479d2c3964908fb2668c1978830bc

Download Submit
memory/1788-6-0x0000000008490000-0x000000000849A000-memory.dmp

Filesize
40KB

Download
memory/1788-3-0x00000000057B0000-0x0000000005842000-memory.dmp

Filesize
584KB

Download
memory/1788-0-0x00000000750AE000-0x00000000750AF000-memory.dmp

Filesize
4KB

Download
memory/1788-7-0x00000000750AE000-0x00000000750AF000-memory.dmp

Filesize
4KB

Download
memory/1788-8-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/1788-9-0x00000000085C0000-0x000000000864C000-memory.dmp

Filesize
560KB

Download
memory/1788-10-0x00000000086F0000-0x000000000878C000-memory.dmp

Filesize
624KB

Download
memory/1788-4-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/1788-1-0x0000000000D20000-0x0000000000DE4000-memory.dmp

Filesize
784KB

Download
memory/1788-5-0x0000000005960000-0x000000000596A000-memory.dmp

Filesize
40KB

Download
memory/1788-18-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/1788-2-0x0000000005CC0000-0x0000000006264000-memory.dmp

Filesize
5.6MB

Download
memory/4012-19-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/4012-17-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/4012-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4012-27-0x00000000058F0000-0x00000000058FA000-memory.dmp

Filesize
40KB

Download
memory/4012-28-0x0000000006860000-0x000000000687E000-memory.dmp

Filesize
120KB

Download
memory/4012-29-0x0000000005C30000-0x0000000005C3A000-memory.dmp

Filesize
40KB

Download
memory/4012-30-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/4012-31-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads