16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39

General

Target

16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe
Size

135KB
MD5

6cfd42dd5f9c68e61e4d89687db839a0
SHA1

b7d9e6ea311c0fcba772d6c5fc3417fb8632ba78
SHA256

16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39
SHA512

79dbe9d03ee66ba757149a0102e1c3f146c9a7f0008233c71d84738e90fc90d8b150090d55fdcfb8f483c3cfc6be48430b11167fd2ddf62192b32d5bf05b381f
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SO1:YfU/WF6QMauSuiWNi9eNOl0007NZIO1

Score

7^/10

defense_evasion discovery persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2312	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2396	wuauclt.exe

Loads dropped DLL 1 IoCs

pid	Process
2288	16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2288-1-0x0000000000030000-0x0000000000058000-memory.dmp	upx
behavioral1/files/0x0008000000016d13-6.dat	upx
behavioral1/memory/2396-7-0x0000000001080000-0x00000000010A8000-memory.dmp	upx
behavioral1/memory/2396-9-0x0000000001080000-0x00000000010A8000-memory.dmp	upx
behavioral1/memory/2288-10-0x0000000000030000-0x0000000000058000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuauclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2396	2288	16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe	28
PID 2288 wrote to memory of 2396	2288	16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe	28
PID 2288 wrote to memory of 2396	2288	16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe	28
PID 2288 wrote to memory of 2396	2288	16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe	28
PID 2288 wrote to memory of 2312	2288	16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe	31
PID 2288 wrote to memory of 2312	2288	16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe	31
PID 2288 wrote to memory of 2312	2288	16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe	31
PID 2288 wrote to memory of 2312	2288	16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe	31

C:\Users\Admin\AppData\Local\Temp\16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe
"C:\Users\Admin\AppData\Local\Temp\16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2396
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\16304d1e38d682be1b262c471e5d78c5a9b66abd16469d4e9a42754a8247cc39N.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Update\wuauclt.exe

Filesize
135KB

MD5
39692b1152f4dc9e69d08aec5b81f678

SHA1
3005863e2f1725d5fd92759841e4c936db802032

SHA256
7a61943f1a701aa3903de817ce61ed29fda3612cebd367d38e0fcbd52b5d1f09

SHA512
d70b3d64123cf1111a6d62a2581d18f1f8b937885856f8d49306e8a23bf9ab991b8421deaaea11e60aacaf7ed38ec171a7285abc54ec95afcb6ccaefb12e5fb3

Download Submit
memory/2288-1-0x0000000000030000-0x0000000000058000-memory.dmp

Filesize
160KB

Download
memory/2288-5-0x00000000000B0000-0x00000000000D8000-memory.dmp

Filesize
160KB

Download
memory/2288-8-0x00000000000B0000-0x00000000000D8000-memory.dmp

Filesize
160KB

Download
memory/2288-10-0x0000000000030000-0x0000000000058000-memory.dmp

Filesize
160KB

Download
memory/2396-7-0x0000000001080000-0x00000000010A8000-memory.dmp

Filesize
160KB

Download
memory/2396-9-0x0000000001080000-0x00000000010A8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads