nanocore | c0a4d73754a852947388fd5812f20327a4618db7fc0734c03826b4a20ca8ea7c

General

Target

JaffaCakes118_e39f48751dd5246fa0d043fcdba1993f.exe
Size

1.1MB
MD5

e39f48751dd5246fa0d043fcdba1993f
SHA1

b3cd1830b45f3673f72901a4337221f79670fb40
SHA256

c0a4d73754a852947388fd5812f20327a4618db7fc0734c03826b4a20ca8ea7c
SHA512

ad085134ac71bbe2a3fafc05c120f8628a60147f36a471ae0a87455332493697c7c7b16dd23467fd4f07fb1bffdf1216e77f2699d9008fb427e1d82482806453
SSDEEP

24576:rAOcZEhmmq7Yryvvaysx+C0SUKHjTq6ai0bagi7xa5Wq:t5IvaPxABKHjTq6d4a5wx

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

strongodss.ddns.net:48562

185.19.85.175:48562

Mutex

ba2baad0-dd3f-4844-a1e3-4d042f9ae8b6

Attributes

activate_away_mode
false
backup_connection_host
185.19.85.175
backup_dns_server
buffer_size
65538
build_time
2021-04-20T00:12:13.961451136Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
48562
default_group
HOBBIT
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
ba2baad0-dd3f-4844-a1e3-4d042f9ae8b6
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
strongodss.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8009

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Nanocore family
nanocore

Executes dropped EXE 2 IoCs

pid	Process
2584	jlah.pif
1152	RegSvcs.exe

Loads dropped DLL 5 IoCs

pid	Process
2664	JaffaCakes118_e39f48751dd5246fa0d043fcdba1993f.exe
2664	JaffaCakes118_e39f48751dd5246fa0d043fcdba1993f.exe
2664	JaffaCakes118_e39f48751dd5246fa0d043fcdba1993f.exe
2664	JaffaCakes118_e39f48751dd5246fa0d043fcdba1993f.exe
2584	jlah.pif

Adds Run key to start application 2 TTPs 3 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\Chrome = "C:\\Users\\Admin\\AppData\\Roaming\\39027638\\jlah.pif C:\\Users\\Admin\\AppData\\Roaming\\39027638\\LKBJRI~1.CRM"	jlah.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\39027638\\Update.vbs"	jlah.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Manager = "C:\\Program Files (x86)\\UDP Manager\\udpmgr.exe"	RegSvcs.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	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2584 set thread context of 1152	2584	jlah.pif	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Manager\udpmgr.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\UDP Manager\udpmgr.exe	RegSvcs.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	JaffaCakes118_e39f48751dd5246fa0d043fcdba1993f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jlah.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2248	schtasks.exe
1740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1152	RegSvcs.exe
1152	RegSvcs.exe
1152	RegSvcs.exe
1152	RegSvcs.exe
1152	RegSvcs.exe
1152	RegSvcs.exe
1152	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1152	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1152	RegSvcs.exe
Token: SeDebugPrivilege	1152	RegSvcs.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2584	2664	JaffaCakes118_e39f48751dd5246fa0d043fcdba1993f.exe	30
PID 2664 wrote to memory of 2584	2664	JaffaCakes118_e39f48751dd5246fa0d043fcdba1993f.exe	30
PID 2664 wrote to memory of 2584	2664	JaffaCakes118_e39f48751dd5246fa0d043fcdba1993f.exe	30
PID 2664 wrote to memory of 2584	2664	JaffaCakes118_e39f48751dd5246fa0d043fcdba1993f.exe	30
PID 2584 wrote to memory of 1152	2584	jlah.pif	31
PID 2584 wrote to memory of 1152	2584	jlah.pif	31
PID 2584 wrote to memory of 1152	2584	jlah.pif	31
PID 2584 wrote to memory of 1152	2584	jlah.pif	31
PID 2584 wrote to memory of 1152	2584	jlah.pif	31
PID 2584 wrote to memory of 1152	2584	jlah.pif	31
PID 2584 wrote to memory of 1152	2584	jlah.pif	31
PID 2584 wrote to memory of 1152	2584	jlah.pif	31
PID 2584 wrote to memory of 1152	2584	jlah.pif	31
PID 1152 wrote to memory of 2248	1152	RegSvcs.exe	32
PID 1152 wrote to memory of 2248	1152	RegSvcs.exe	32
PID 1152 wrote to memory of 2248	1152	RegSvcs.exe	32
PID 1152 wrote to memory of 2248	1152	RegSvcs.exe	32
PID 1152 wrote to memory of 1740	1152	RegSvcs.exe	34
PID 1152 wrote to memory of 1740	1152	RegSvcs.exe	34
PID 1152 wrote to memory of 1740	1152	RegSvcs.exe	34
PID 1152 wrote to memory of 1740	1152	RegSvcs.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e39f48751dd5246fa0d043fcdba1993f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e39f48751dd5246fa0d043fcdba1993f.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Users\Admin\AppData\Roaming\39027638\jlah.pif
  "C:\Users\Admin\AppData\Roaming\39027638\jlah.pif" lkbjriilda.crm
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
    3⤵
    - Executes dropped EXE
    - 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
    - Suspicious use of WriteProcessMemory
    PID:1152
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "UDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2368.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2248
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "UDP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2453.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1740

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

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2368.tmp

Filesize
1KB

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2453.tmp

Filesize
1KB

MD5
c1c4b266e129249076bbe8a15cc5e06c

SHA1
312b8173c264245c834eee91e05dcca845c341f8

SHA256
f336d06dcadca621be6b2dc9493dcb84d871497e65142bc9fdd72c9f250a1b7b

SHA512
0f02ec7700f89d95d29014eec42d13c85234351c3fe1dc6a3efeea52ea76ca4bea3151567a6c798b5ce658d481b424646b43d93e95ccad897356a87a25d45041

Download Submit
C:\Users\Admin\AppData\Roaming\39027638\qjestopcw.iok

Filesize
420KB

MD5
62a8085ffac783e39c5dfe5d8e45d5b2

SHA1
4b4f0210fe85b783e0c9e3792aab7c3b2f657944

SHA256
55933b33de23d816190632168e3dbcf5455b2e0100a1aa71a9eb4929becc7867

SHA512
c75eb0cb77c278cf5ef3c311ec040c4186277e8a28c088491099a37091fd6233b887b11628cc5d10ece510249eeb3bc3aed8d6cd140968aa2fd928e66ecc65c9

Download Submit
C:\Users\Admin\AppData\Roaming\39027638\ungipniv.exe

Filesize
65KB

MD5
831808ca1f13df608de284cba4d9dfed

SHA1
cb9902cc9f49755a592bd1abcfc874725aa8fde3

SHA256
a637d08e7c9b55b699ee1097b26b18bf4f4f79d01d464656a51f29b9d0ee773e

SHA512
73dda943b1432284d57396d3d1eec68e2cffbf25ff12db44cdf2b5f72d16422d8eca3fcbd0d49ec159e99d48b5c10c16faca0c1468bafe4c4f51cc7fd8b7e232

Download Submit
\Users\Admin\AppData\Local\Temp\RegSvcs.exe

Filesize
44KB

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
\Users\Admin\AppData\Roaming\39027638\jlah.pif

Filesize
758KB

MD5
8935e163bb79e8d4b40b73521a06a0d1

SHA1
dfd9f6cd5dabf0c2fae0186b5471f025f542c708

SHA256
3a2b62144b3b6bc612770de7777233c96ea35e50e9fd7b0b482862825d728fdb

SHA512
76620b23fe5f2bcc783bcbd7fb27a68a171751a96b459f757045f80e027d452724c73292a008acad58eb58b6eb99dddf82130a83e761e35b7e5c4d89b058d175

Download Submit
memory/1152-81-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1152-79-0x0000000000440000-0x00000000009B3000-memory.dmp

Filesize
5.4MB

Download
memory/1152-82-0x0000000000440000-0x00000000009B3000-memory.dmp

Filesize
5.4MB

Download
memory/1152-87-0x0000000000440000-0x000000000047A000-memory.dmp

Filesize
232KB

Download
memory/1152-85-0x0000000000440000-0x00000000009B3000-memory.dmp

Filesize
5.4MB

Download
memory/1152-84-0x0000000000440000-0x00000000009B3000-memory.dmp

Filesize
5.4MB

Download
memory/1152-95-0x0000000001030000-0x000000000103A000-memory.dmp

Filesize
40KB

Download
memory/1152-96-0x0000000001040000-0x000000000104C000-memory.dmp

Filesize
48KB

Download
memory/1152-97-0x00000000010D0000-0x00000000010EE000-memory.dmp

Filesize
120KB

Download
memory/1152-98-0x0000000001360000-0x000000000136A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads