nanocore | 2328c5fb5d91fc3e957d9e5b9ba7c160afe4b3d6fadf184e426e98361c680426

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16-06-2024 18:00

Target

b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe
Size

203KB
MD5

b474720cf33c6f7b5b52309a5b093217
SHA1

ef6425cf2f9207a9d55f7a758bbbda91e74e85a9
SHA256

2328c5fb5d91fc3e957d9e5b9ba7c160afe4b3d6fadf184e426e98361c680426
SHA512

86ebea23c927bb03ab127e458ebd1806efa526c3eca336990176c827cb8197b0e1dc7346fdd51e9431ae27a0bccba76c36a811883d729286fc7f4ea2b05f69f3
SSDEEP

6144:sLV6Bta6dtJmakIM5in/kAflqT1une7R0s1ef:sLV6Btpmkl/FU5ef

Score

10^/10

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

Registry Run Keys / Startup Folder

Modify Registry

Processes:

b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe"	b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	b474720cf33c6f7b5b52309a5b093217_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

2140 schtasks.exe
2112 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

pid process

4964 b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe
4964 b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe
4964 b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

pid process

4964 b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 4964 b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

pid	process
2140	schtasks.exe
2112	schtasks.exe

pid	process
4964	b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	4964	b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe

description	pid	process	target process
PID 4964 wrote to memory of 2140	4964	b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe	schtasks.exe
PID 4964 wrote to memory of 2140	4964	b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe	schtasks.exe
PID 4964 wrote to memory of 2140	4964	b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe	schtasks.exe
PID 4964 wrote to memory of 2112	4964	b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe	schtasks.exe
PID 4964 wrote to memory of 2112	4964	b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe	schtasks.exe
PID 4964 wrote to memory of 2112	4964	b474720cf33c6f7b5b52309a5b093217_JaffaCakes118.exe	schtasks.exe

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2BA.tmp"
2⤵
- Creates scheduled task(s)
PID:2140

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SMTP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp471.tmp"
2⤵
- Creates scheduled task(s)
PID:2112

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:4636

C:\Users\Admin\AppData\Local\Temp\tmp2BA.tmp
Filesize
1KB

MD5
25377a9aef8308a379eac2077315d49e

SHA1
0801d0772bcf0f615ff151a1b68fbfca616e141a

SHA256
ec46db9b6838b5f1a61ee7747be241ddd79730089ada6c16899636d2fa8789bb

SHA512
95ce8a9a3543f63b61636de54ff7651640d7079a9c6e3c5d9234d3e5f85fa8100c9268e21e51f7105dfa49a75deaf203f02322dcdc20a2468f0174b388e339ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp471.tmp
Filesize
1KB

MD5
0339b45ef206f4becc88be0d65e24b9e

SHA1
6503a1851f4ccd8c80a31f96bd7ae40d962c9fad

SHA256
3d568a47a8944a47f4aed6982755ac7ff7dda469cc1c81c213ecaa5d89de1f83

SHA512
c98f4513db34d50510dd986e0d812545c442bd5bef26932032b165759627fab4e00c95fe907ab3416a8a1042bfa77aa516c479f1ff7d1ec2f21ae66df8f72551

Download Submit
memory/4964-0-0x00000000750C2000-0x00000000750C3000-memory.dmp

Filesize
4KB

Download
memory/4964-1-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4964-2-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4964-10-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4964-11-0x00000000750C2000-0x00000000750C3000-memory.dmp

Filesize
4KB

Download
memory/4964-12-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4964-13-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4964-14-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download