nanocore | 5df4d8c8efce493463afbe7892f3fd02ac1d850e373e67b3d1f3819cc486a58a

General

Target

382393163649f865b57458633654c900_JaffaCakes118.exe
Size

553KB
MD5

382393163649f865b57458633654c900
SHA1

42d2bf3bac72890fb6acbaec88b1f672791512a6
SHA256

5df4d8c8efce493463afbe7892f3fd02ac1d850e373e67b3d1f3819cc486a58a
SHA512

b246e78f8763ab4a1b4e3c9a7e95db6be0e8b7068d4556d9cad52f7d726a5eae8fd903a5dd731f165598b523a3a5756b326ecec3ca55f473fb7bc5adf0baaac1
SSDEEP

12288:CLV6Btpmk2GZJ+wY17GJuFud+b8rxkKF5f/w+WbfBxdBocpTwHFQdTG:gApf2GZJfRuFuhGufo+W35p0FMTG

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:

382393163649f865b57458633654c900_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Subsystem = "C:\\Program Files (x86)\\UDP Subsystem\\udpss.exe"	382393163649f865b57458633654c900_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

382393163649f865b57458633654c900_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	382393163649f865b57458633654c900_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

382393163649f865b57458633654c900_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\UDP Subsystem\udpss.exe	382393163649f865b57458633654c900_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\UDP Subsystem\udpss.exe	382393163649f865b57458633654c900_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

2480 schtasks.exe
2732 schtasks.exe

pid	process
2480	schtasks.exe
2732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

382393163649f865b57458633654c900_JaffaCakes118.exe

pid	process
4456	382393163649f865b57458633654c900_JaffaCakes118.exe
4456	382393163649f865b57458633654c900_JaffaCakes118.exe
4456	382393163649f865b57458633654c900_JaffaCakes118.exe
4456	382393163649f865b57458633654c900_JaffaCakes118.exe
4456	382393163649f865b57458633654c900_JaffaCakes118.exe
4456	382393163649f865b57458633654c900_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

382393163649f865b57458633654c900_JaffaCakes118.exe

pid process

4456 382393163649f865b57458633654c900_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

382393163649f865b57458633654c900_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	4456	382393163649f865b57458633654c900_JaffaCakes118.exe
Token: SeDebugPrivilege	4456	382393163649f865b57458633654c900_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

382393163649f865b57458633654c900_JaffaCakes118.exe

description	pid	process	target process
PID 4456 wrote to memory of 2480	4456	382393163649f865b57458633654c900_JaffaCakes118.exe	schtasks.exe
PID 4456 wrote to memory of 2480	4456	382393163649f865b57458633654c900_JaffaCakes118.exe	schtasks.exe
PID 4456 wrote to memory of 2480	4456	382393163649f865b57458633654c900_JaffaCakes118.exe	schtasks.exe
PID 4456 wrote to memory of 2732	4456	382393163649f865b57458633654c900_JaffaCakes118.exe	schtasks.exe
PID 4456 wrote to memory of 2732	4456	382393163649f865b57458633654c900_JaffaCakes118.exe	schtasks.exe
PID 4456 wrote to memory of 2732	4456	382393163649f865b57458633654c900_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\382393163649f865b57458633654c900_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\382393163649f865b57458633654c900_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:4456

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp34DB.tmp"
2⤵
- Creates scheduled task(s)
PID:2480

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp352A.tmp"
2⤵
- Creates scheduled task(s)
PID:2732

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\tmp34DB.tmp
Filesize
1KB

MD5
53372f72560a1660d0e0186166d143a1

SHA1
0dcb249a8e9ac639c65126dfed505c3940ddd100

SHA256
fe32fe0b1e8cd4b66e048d02aa5340bac28201484df00c2c06ed7d7b8457b7e4

SHA512
cf06a958f70ec61a272e4845bb7bede7adf0dab922f40130a835c0c3f29a3c32c1af6de406effab0033c65f2faf5dcb6344d38c39f06fbe4d6518b4fd6d8c197

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp352A.tmp
Filesize
1KB

MD5
c4aecdef99eba873119e79616df3f4b0

SHA1
b1b3af52655fb633eed909dfed05b64fbbfac37c

SHA256
24fd0d87bea36a024449a95f808aaa174e4ed9003cb8a427b67c02411b8a2e0b

SHA512
e3f44b07267fccf4f5abd4efe80f2b037ddadc4cb898bdfca9d21ac5d79fcac828950065c2060d3ce125ee971fc3096183afee5287ba9951fbbda7257d8ed8d4

Download Submit
memory/4456-0-0x0000000075412000-0x0000000075413000-memory.dmp

Filesize
4KB

Download
memory/4456-1-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4456-2-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4456-10-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4456-11-0x0000000075412000-0x0000000075413000-memory.dmp

Filesize
4KB

Download
memory/4456-12-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4456-13-0x0000000075410000-0x00000000759C1000-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