nanocore | 279303184a3975bb8f2ad4b8dfdf3234579976a3f4c6ea733a4f387ea9c24e3d

General

Target

8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe
Size

709KB
MD5

8890d884a9ac5f8319b3739502600a53
SHA1

29f2a88600a85c835e845149f94da6cf266a5fbe
SHA256

279303184a3975bb8f2ad4b8dfdf3234579976a3f4c6ea733a4f387ea9c24e3d
SHA512

54810aa0bd1d39e75586c47aa59270e8036d5be0856294da8c4a31580361861fe0d7c52d95ae88c5d92a3b8868f8141c664939f3c1915e5d38b268e6b977307b
SSDEEP

6144:V5vVSdzQIy1t9PSFnvWb2MYMRh5ApoaKB4S0lLEdD/We0V2c5UKAFCTDZ7UePZUN:V5aBsbLYLpo0S0mbzo5UNCTt7UePZUp

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

graceonme.ddns.net:3413

212.7.208.94:3413

Mutex

ff656f6d-dca0-4fd4-a988-9187645c88dc

Attributes

activate_away_mode
true
backup_connection_host
212.7.208.94
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-23T20:40:45.770310136Z
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
3413
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
ff656f6d-dca0-4fd4-a988-9187645c88dc
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
graceonme.ddns.net
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

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 2104 set thread context of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\debug\WIA\LxmDgvUJpEf.exe	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe
File opened for modification	C:\Windows\debug\WIA\LxmDgvUJpEf.exe	8890d884a9ac5f8319b3739502600a53_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 2 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
1712	schtasks.exe
1528	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe
2728	RegAsm.exe
2728	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2728	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe
Token: SeDebugPrivilege	2728	RegAsm.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 1712	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	28
PID 2104 wrote to memory of 1712	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	28
PID 2104 wrote to memory of 1712	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	28
PID 2104 wrote to memory of 1712	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	28
PID 2104 wrote to memory of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2728	2104	8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe	30
PID 2728 wrote to memory of 1528	2728	RegAsm.exe	31
PID 2728 wrote to memory of 1528	2728	RegAsm.exe	31
PID 2728 wrote to memory of 1528	2728	RegAsm.exe	31
PID 2728 wrote to memory of 1528	2728	RegAsm.exe	31

C:\Users\Admin\AppData\Local\Temp\8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8890d884a9ac5f8319b3739502600a53_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LxmDgvUJpEf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAAD0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1712
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpACB3.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAAD0.tmp

Filesize
1KB

MD5
1b00ee1cd90e8bb54fa490716b6b1532

SHA1
db5eadb33d33a65f89fa4091fb607bd453af91fb

SHA256
8400ac69059736b8f8051ca5f5d72e38f3da7095c91303daa9637bcdfea0bf2e

SHA512
03f974d0a36136a66cdfa4422f71e8a79888c65923267602c13b672eddb83d4f1ad245fcde6f87a85da57fcf2d166aed3fbf96f44f4f6ff100679e162fb6a845

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpACB3.tmp

Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
memory/2104-0-0x0000000074B41000-0x0000000074B42000-memory.dmp

Filesize
4KB

Download
memory/2104-1-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2104-2-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2104-3-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2104-4-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2104-21-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2728-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads