nanocore | 55a906332245dd0fbb4f3e752a715a0bb3ba28eabf8cb90397abaa501e26f84b

General

Target

2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe
Size

688KB
MD5

2a110c6a0f5d8af23efceeec5c927f43
SHA1

aecbe878527be46685f2fed4484b7a5e7a34dde1
SHA256

55a906332245dd0fbb4f3e752a715a0bb3ba28eabf8cb90397abaa501e26f84b
SHA512

684dc15151ed96401286a14997b828ffd0d294774c817d039ab93c40b91ef0f730c45d29b5b92ae8b04489ec207f2b1f7e22fc46ef19e116e61abb4c195f1dca
SSDEEP

6144:qQ+ADYeKtFPrg/2S+umv9q8JyLnt8y0Tu7PTnmaey2EbTFPtjdyQeGBY0/DLnvTL:qQXYPcOvq881pBdWOH1RO+TDzW7+vD

Score

10^/10

nanocore zgrat agilenet evasion keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

timmy44.ddns.net:19225

timmy55.ddns.net:19225

Mutex

37bab367-b464-4956-8ff4-0bec35943b01

Attributes

activate_away_mode
true
backup_connection_host
timmy55.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-06-21T11:00:31.986306236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
19225
default_group
SPTEMBER 2018 02
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
37bab367-b464-4956-8ff4-0bec35943b01
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
timmy44.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

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/1724-4-0x0000000005090000-0x00000000050C8000-memory.dmp	family_zgrat_v1

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral2/memory/1724-4-0x0000000005090000-0x00000000050C8000-memory.dmp	agile_net

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\DPI Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe"	2a110c6a0f5d8af23efceeec5c927f43_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	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1724 set thread context of 1732	1724	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe	83

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DPI Subsystem\dpiss.exe	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DPI Subsystem\dpiss.exe	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1724	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe
1732	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe
1732	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe
1732	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1732	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe
Token: SeDebugPrivilege	1732	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1732	1724	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe	83
PID 1724 wrote to memory of 1732	1724	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe	83
PID 1724 wrote to memory of 1732	1724	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe	83
PID 1724 wrote to memory of 1732	1724	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe	83
PID 1724 wrote to memory of 1732	1724	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe	83
PID 1724 wrote to memory of 1732	1724	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe	83
PID 1724 wrote to memory of 1732	1724	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe	83
PID 1724 wrote to memory of 1732	1724	2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2a110c6a0f5d8af23efceeec5c927f43_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:1732

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\2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1724-13-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/1724-1-0x0000000000650000-0x0000000000702000-memory.dmp

Filesize
712KB

Download
memory/1724-2-0x00000000056B0000-0x0000000005C54000-memory.dmp

Filesize
5.6MB

Download
memory/1724-3-0x0000000005100000-0x0000000005192000-memory.dmp

Filesize
584KB

Download
memory/1724-4-0x0000000005090000-0x00000000050C8000-memory.dmp

Filesize
224KB

Download
memory/1724-5-0x00000000050C0000-0x00000000050C6000-memory.dmp

Filesize
24KB

Download
memory/1724-6-0x0000000004B10000-0x0000000004B1A000-memory.dmp

Filesize
40KB

Download
memory/1724-7-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/1724-8-0x0000000008780000-0x000000000881C000-memory.dmp

Filesize
624KB

Download
memory/1724-9-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/1724-0-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/1732-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1732-14-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/1732-15-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/1732-18-0x0000000005630000-0x000000000563A000-memory.dmp

Filesize
40KB

Download
memory/1732-19-0x0000000006370000-0x000000000638E000-memory.dmp

Filesize
120KB

Download
memory/1732-20-0x0000000006490000-0x000000000649A000-memory.dmp

Filesize
40KB

Download
memory/1732-21-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/1732-22-0x0000000074820000-0x0000000074FD0000-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