d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456

Analysis

max time kernel
196s
max time network
199s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23/11/2022, 21:59

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General

Target

d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe
Size

635KB
MD5

50a063a51ce4c85753854c9c53bc1120
SHA1

184fb5888a57b36bba30cd91e28f9436b5c4f1b5
SHA256

d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456
SHA512

9bd504e18433d11eb62a3c0c4aced65f7464d115184aab55dfa9a0b294314724be10abd019eafe82070f658659226484db9519a444bab4a6b088a06dd99f61e1
SSDEEP

12288:lT6h7Npv8/J7hIAY/ztzCqhpkZoMLLKWNxcp1rJ:lmh7Hv8/JuT/zFhpkyW7i5J

Score

8^/10

discovery evasion persistence trojan upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\chch = "C:\\Windows\\SysWOW64\\ndfetw5.exe"	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe

Executes dropped EXE 1 IoCs

pid	Process
676	ndfetw5.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1212-56-0x00000000004A0000-0x0000000000547000-memory.dmp	upx
behavioral1/memory/1212-59-0x00000000004A0000-0x0000000000547000-memory.dmp	upx
behavioral1/memory/1212-60-0x00000000004A0000-0x0000000000547000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe

Deletes itself 1 IoCs

pid	Process
1396	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1212	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ndfetw5.exe	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe
File opened for modification	C:\Windows\SysWOW64\ndfetw5.exe	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1212	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe
1212	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe
676	ndfetw5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1212	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe
Token: SeDebugPrivilege	676	ndfetw5.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 676	1212	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe	28
PID 1212 wrote to memory of 676	1212	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe	28
PID 1212 wrote to memory of 676	1212	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe	28
PID 1212 wrote to memory of 676	1212	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe	28
PID 1212 wrote to memory of 1396	1212	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe	30
PID 1212 wrote to memory of 1396	1212	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe	30
PID 1212 wrote to memory of 1396	1212	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe	30
PID 1212 wrote to memory of 1396	1212	d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe	30

C:\Users\Admin\AppData\Local\Temp\d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe
"C:\Users\Admin\AppData\Local\Temp\d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe"
1⤵
- Adds policy Run key to start application
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Windows\SysWOW64\ndfetw5.exe
  C:\Windows\SysWOW64\ndfetw5.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:676
- C:\Windows\SysWOW64\cmd.exe
  /c C:\Users\Admin\AppData\Local\Temp\~unins9628.bat "C:\Users\Admin\AppData\Local\Temp\d3455e3a860d1a8a6993eb72c83b66829a4b0712e9cbf95968fec8b6c9bbc456.exe"
  2⤵
  - Deletes itself
  PID:1396

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~unins9628.bat

Filesize
49B

MD5
9e0a2f5ab30517809b95a1ff1dd98c53

SHA1
5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

SHA256
97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

SHA512
e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

Download Submit
C:\Windows\SysWOW64\ndfetw5.exe

Filesize
174KB

MD5
7d28a5d0f311988044883e84436d20b0

SHA1
694e9e7683317871b6122d8c4a9d393c87e54436

SHA256
aa29ce65a37c0228f0ee43f1f7372fd7215cbfac43e240a38f9c14cfbc347930

SHA512
00ea79e63cf573d199222ae5a1a333d5861467f9465ea99fa6c3873d98584bb82920a2d8fc4c144b70e6920ae515907dcf095d77e9a4b05bdb65df7a617bde1b

Download Submit
C:\Windows\SysWOW64\ndfetw5.exe

Filesize
174KB

MD5
7d28a5d0f311988044883e84436d20b0

SHA1
694e9e7683317871b6122d8c4a9d393c87e54436

SHA256
aa29ce65a37c0228f0ee43f1f7372fd7215cbfac43e240a38f9c14cfbc347930

SHA512
00ea79e63cf573d199222ae5a1a333d5861467f9465ea99fa6c3873d98584bb82920a2d8fc4c144b70e6920ae515907dcf095d77e9a4b05bdb65df7a617bde1b

Download Submit
\Windows\SysWOW64\ndfetw5.exe

Filesize
174KB

MD5
7d28a5d0f311988044883e84436d20b0

SHA1
694e9e7683317871b6122d8c4a9d393c87e54436

SHA256
aa29ce65a37c0228f0ee43f1f7372fd7215cbfac43e240a38f9c14cfbc347930

SHA512
00ea79e63cf573d199222ae5a1a333d5861467f9465ea99fa6c3873d98584bb82920a2d8fc4c144b70e6920ae515907dcf095d77e9a4b05bdb65df7a617bde1b

Download Submit
memory/676-73-0x0000000073E70000-0x000000007441B000-memory.dmp

Filesize
5.7MB

Download
memory/676-72-0x0000000073E70000-0x000000007441B000-memory.dmp

Filesize
5.7MB

Download
memory/1212-59-0x00000000004A0000-0x0000000000547000-memory.dmp

Filesize
668KB

Download
memory/1212-54-0x0000000075531000-0x0000000075533000-memory.dmp

Filesize
8KB

Download
memory/1212-61-0x0000000000230000-0x0000000000276000-memory.dmp

Filesize
280KB

Download
memory/1212-60-0x00000000004A0000-0x0000000000547000-memory.dmp

Filesize
668KB

Download
memory/1212-67-0x00000000004A1000-0x0000000000502000-memory.dmp

Filesize
388KB

Download
memory/1212-56-0x00000000004A0000-0x0000000000547000-memory.dmp

Filesize
668KB

Download
memory/1212-55-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1212-63-0x00000000004A1000-0x0000000000502000-memory.dmp

Filesize
388KB

Download
memory/1212-62-0x0000000000502000-0x0000000000546000-memory.dmp

Filesize
272KB

Download
memory/1212-74-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1212-75-0x00000000004A1000-0x0000000000502000-memory.dmp

Filesize
388KB

Download