nanocore | 80f7cf5c13b590c2c2827174cb3d856e19afd61a439af498d5f812c909382abe

General

Target

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
Size

614KB
MD5

7db1b44f6ea4adad2beaad9b5417d399
SHA1

fbe1384292e70c016b56d113e77cc6f1e7eed77c
SHA256

80f7cf5c13b590c2c2827174cb3d856e19afd61a439af498d5f812c909382abe
SHA512

d8d557343a427831726b78a71fb664ac32aa9332c9bc5485c0714a8a12dccbf53a4119bb171ec226ee32352c5adb94f320a0715a6d6af2cb43047f7f7be22aa8
SSDEEP

12288:782jVv2zv1gVx+YW1SdB1mMRc4a2TRKEHIE:782o2z+TIX1LK4aW7I

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.4:2010

127.0.0.1:2010

Mutex

06c820a6-9062-49c3-a472-0ed60e3a6261

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-06-09T00:02:47.514110236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
2010
default_group
divine
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
06c820a6-9062-49c3-a472-0ed60e3a6261
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
194.5.98.4
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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 whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

description	pid	process	target process
PID 2420 set thread context of 1264	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2228 schtasks.exe

pid	process
2228	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

pid	process
2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
1264	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
1264	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

pid process

1264 7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

pid	process
1264	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
Token: SeDebugPrivilege	1264	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

description	pid	process	target process
PID 2420 wrote to memory of 2228	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	schtasks.exe
PID 2420 wrote to memory of 2228	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	schtasks.exe
PID 2420 wrote to memory of 2228	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	schtasks.exe
PID 2420 wrote to memory of 2228	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	schtasks.exe
PID 2420 wrote to memory of 1264	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2420 wrote to memory of 1264	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2420 wrote to memory of 1264	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2420 wrote to memory of 1264	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2420 wrote to memory of 1264	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2420 wrote to memory of 1264	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2420 wrote to memory of 1264	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2420 wrote to memory of 1264	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2420 wrote to memory of 1264	2420	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2420

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LokanUXWYenty" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2E80.tmp"
2⤵
- Creates scheduled task(s)
PID:2228

C:\Users\Admin\AppData\Local\Temp\7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1264

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2E80.tmp
Filesize
1KB

MD5
92ae217fec847713a944d24f5409a75e

SHA1
2c652f5a2927e1915f058f87b559808017d7a4df

SHA256
b5fe54ddeb8d786dad6cb66eb9b3255daf2b9d69fab3a0a8d1e2ae3aaf1dc08e

SHA512
8bc5168b49040ac6c7e4eb78ce6efa6307bb9dd188748a00969b76ba44ba2a0432a473de660cea9e514c13ab227f58a15e2eba87f50b23343f6dae47c7994635

Download Submit
memory/1264-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1264-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1264-28-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/1264-25-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/1264-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1264-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1264-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1264-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1264-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1264-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2420-1-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/2420-0-0x0000000074421000-0x0000000074422000-memory.dmp

Filesize
4KB

Download
memory/2420-2-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/2420-4-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/2420-26-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/2420-3-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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