nanocore | 4469e80eda471f927299af3d336a8beb470c720aa563baf4940cb7647e488b67

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
13-06-2024 00:41

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General

Target

a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe
Size

227KB
MD5

a330f18a93dde771c79aabba50f656d2
SHA1

d75947d0fa94ac020ed09234ea7dc2b835d3d401
SHA256

4469e80eda471f927299af3d336a8beb470c720aa563baf4940cb7647e488b67
SHA512

9e22bbb5289fa0f480e3135f1efafee1f02d74e085f1ed5d09e8fe5c4233a1212a70324cbefadf2bd243675c0f6da71c3a126997f53a8491129a5f0711fc67ac
SSDEEP

6144:JLV6Bta6dtJmakIM5HOeRKTSo2zCyUUSw:JLV6BtpmkZeRKOoGH

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:

a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe"	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\DOS Manager\dosmgr.exe	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DOS Manager\dosmgr.exe	a330f18a93dde771c79aabba50f656d2_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

1664 schtasks.exe
2900 schtasks.exe

pid	process
1664	schtasks.exe
2900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

pid	process
2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe
2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe
2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe
2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

pid process

2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe

description	pid	process	target process
PID 2052 wrote to memory of 1664	2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe	schtasks.exe
PID 2052 wrote to memory of 1664	2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe	schtasks.exe
PID 2052 wrote to memory of 1664	2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe	schtasks.exe
PID 2052 wrote to memory of 1664	2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe	schtasks.exe
PID 2052 wrote to memory of 2900	2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe	schtasks.exe
PID 2052 wrote to memory of 2900	2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe	schtasks.exe
PID 2052 wrote to memory of 2900	2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe	schtasks.exe
PID 2052 wrote to memory of 2900	2052	a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a330f18a93dde771c79aabba50f656d2_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:2052

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DOS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp17F4.tmp"
2⤵
- Creates scheduled task(s)
PID:1664

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DOS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1871.tmp"
2⤵
- Creates scheduled task(s)
PID:2900

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp17F4.tmp
Filesize
1KB

MD5
656ce2127065565ca809451d6d6f18ad

SHA1
1191a10926d0ff1e0af41fd6a6f15285aaedfbf7

SHA256
f52e0faf9b54c546c0989b3904158c0ee325fd4e5392a1f74fbccfd97f184231

SHA512
cd0db0676570b01729d793548752429c7618c851d6b86b67ae312ac2b52386ba96f97ac1612d7c734744b0c1987e229a51cfd5c6c8af4c5b3e9c3d09436a34e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1871.tmp
Filesize
1KB

MD5
8f5713b14cee3089852f6c8d2a7a7d57

SHA1
8bffbea05715c6434ad593cce8a2c737f80ff788

SHA256
ab3ce102242c3144f87bcbfe83984a478821cd09e62c0e5211b2ab37dde02d2c

SHA512
82bd2378c2d6bb34a1ad3f2d26bfea583fc8403691bed6668521ba3e8bc7bdbdf142f872ddbc8e5251550f47c9bbee4eb3d0d6096f80d85259082cf68a454c72

Download Submit
memory/2052-0-0x00000000746D1000-0x00000000746D2000-memory.dmp

Filesize
4KB

Download
memory/2052-1-0x00000000746D0000-0x0000000074C7B000-memory.dmp

Filesize
5.7MB

Download
memory/2052-2-0x00000000746D0000-0x0000000074C7B000-memory.dmp

Filesize
5.7MB

Download
memory/2052-10-0x00000000746D0000-0x0000000074C7B000-memory.dmp

Filesize
5.7MB

Download