82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370

General

Target

82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe
Size

134KB
MD5

031b5e24b99b6b157844e8d58d94646d
SHA1

a69fe690f9d9fc102bb6e132f54624230e0c447a
SHA256

82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370
SHA512

530d0b332ae31524bfaebef5ce6f7df2d7d85489b4fe4424f6ee499f69add294c3e1462728a52b24e9aaa59762bf6e6e5d9ff7df4eeb5dca884dc8852e4acb93
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOs:YfU/WF6QMauSuiWNi9eNOl0007NZIOs

Score

7^/10

defense_evasion discovery persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2756	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2196	wuauclt.exe

Loads dropped DLL 1 IoCs

pid	Process
2120	82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2120-1-0x0000000000CF0000-0x0000000000D18000-memory.dmp	upx
behavioral1/files/0x0008000000016d04-2.dat	upx
behavioral1/memory/2196-7-0x0000000000180000-0x00000000001A8000-memory.dmp	upx
behavioral1/memory/2196-9-0x0000000000180000-0x00000000001A8000-memory.dmp	upx
behavioral1/memory/2120-10-0x0000000000CF0000-0x0000000000D18000-memory.dmp	upx

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"	82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.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

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	82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.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 2120 wrote to memory of 2196	2120	82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe	30
PID 2120 wrote to memory of 2196	2120	82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe	30
PID 2120 wrote to memory of 2196	2120	82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe	30
PID 2120 wrote to memory of 2196	2120	82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe	30
PID 2120 wrote to memory of 2756	2120	82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe	32
PID 2120 wrote to memory of 2756	2120	82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe	32
PID 2120 wrote to memory of 2756	2120	82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe	32
PID 2120 wrote to memory of 2756	2120	82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe	32

C:\Users\Admin\AppData\Local\Temp\82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe
"C:\Users\Admin\AppData\Local\Temp\82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2196
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\82d14733fd5b5666de6e779f75120f4510a01a35afdc6c249d12c0149cec8370.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2756

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

\ProgramData\Update\wuauclt.exe

Filesize
134KB

MD5
3407d10ac854a01b5b02f39067d27827

SHA1
33d6390cde68330b8a5dfb6459b3760df398cc3d

SHA256
cbc8d78dc8259107b0ec71dc3f6623bb31afd3ed36952eac634625fd3fbdb257

SHA512
a4ea77622864e765c858f1dafe0d4c8dea95951fa6c39c1d482b8a3f93b4d16a2fc112ab99774fd2ace12b5b6aea9c8b6f1e34cc821d83885590957cbe57568d

Download Submit
memory/2120-1-0x0000000000CF0000-0x0000000000D18000-memory.dmp

Filesize
160KB

Download
memory/2120-5-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2120-8-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2120-10-0x0000000000CF0000-0x0000000000D18000-memory.dmp

Filesize
160KB

Download
memory/2196-7-0x0000000000180000-0x00000000001A8000-memory.dmp

Filesize
160KB

Download
memory/2196-9-0x0000000000180000-0x00000000001A8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads