nanocore | fca39fa4b91acdf144b186a3a641941c59d7d31def61018d42182ccf8b8c73cd

General

Target

9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe
Size

203KB
MD5

9857dee7fca9c819ac781d7363e2b053
SHA1

c18114605a88fc11b73f2ad3e8d7a3a643ef4d69
SHA256

fca39fa4b91acdf144b186a3a641941c59d7d31def61018d42182ccf8b8c73cd
SHA512

032c5b33e55fd57077728b09931299eec8899286f55c683c3e21f0f83caa92bbda7572a5c575260578528b58aedf8597fe1507daffc1e9791c826858656ce475
SSDEEP

3072:UzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI4Tus08m3UVIYusy8hBJoJjMQi:ULV6Bta6dtJmakIM5Qs08AUV5hBJcjE

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

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

Processes:

schtasks.exeschtasks.exe

pid process

1000 schtasks.exe
4284 schtasks.exe

pid	process
1000	schtasks.exe
4284	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

pid	process
5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe
5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe
5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe
5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe
5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe
5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

pid process

5028 9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe
Token: SeDebugPrivilege	5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe

description	pid	process	target process
PID 5028 wrote to memory of 4284	5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe	schtasks.exe
PID 5028 wrote to memory of 4284	5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe	schtasks.exe
PID 5028 wrote to memory of 4284	5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe	schtasks.exe
PID 5028 wrote to memory of 1000	5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe	schtasks.exe
PID 5028 wrote to memory of 1000	5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe	schtasks.exe
PID 5028 wrote to memory of 1000	5028	9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9857dee7fca9c819ac781d7363e2b053_JaffaCakes118.exe"
1⤵
- 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:5028

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp39CD.tmp"
2⤵
- Creates scheduled task(s)
PID:4284

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3A2B.tmp"
2⤵
- Creates scheduled task(s)
PID:1000

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp39CD.tmp
Filesize
1KB

MD5
577bbe6b792d7c7da745805cae8a39bd

SHA1
6c917f159113c3e34399d5b52e6cba6de4460b60

SHA256
cd0c503fbd9529125bc42d04dd491a5dfc51af33ff8e1439cc5c29747a799ab1

SHA512
d4ff58571d43e5492e5d1715888773287bf953109f61052cc80837ea13b01dfdb9ea36c336acfd97981b6ea2deea0608407732704eea0e3c7bed05884e5d0abc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3A2B.tmp
Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/5028-0-0x0000000074F12000-0x0000000074F13000-memory.dmp

Filesize
4KB

Download
memory/5028-1-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/5028-2-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/5028-10-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/5028-11-0x0000000074F12000-0x0000000074F13000-memory.dmp

Filesize
4KB

Download
memory/5028-12-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/5028-13-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads