a48793de08e00cbf27bea2e14c5dfa19cb3a00cf022d5d5aa544c335c411c2cf

General

Target

a48793de08e00cbf27bea2e14c5dfa19cb3a00cf022d5d5aa544c335c411c2cfN.exe
Size

29KB
MD5

760311844c7277c1093b2329a4457b30
SHA1

f680eba0056d8e68976b7acdfb2281522a7929d8
SHA256

a48793de08e00cbf27bea2e14c5dfa19cb3a00cf022d5d5aa544c335c411c2cf
SHA512

986c78b2a350da5faa1ea838ee782ab10b2034e605fef1801ec8f06668b6556c366d24022fa0f511586e33f3f2301f6a51bbb152910b9653c84fa26499c30775
SSDEEP

384:QQ+qNl7fFwYU+uPnQD56136WmqDoz7e4aGBsbh0w4wlAokw9OhgOL1vYRGOZzKYN:z7qYU+u/mq3Mqa7eQBKh0p29SgRtTB

Score

8^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4396	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	a48793de08e00cbf27bea2e14c5dfa19cb3a00cf022d5d5aa544c335c411c2cfN.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5a295eb30a8c4bea86741e429f16b791.exe	3a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5a295eb30a8c4bea86741e429f16b791.exe	3a.exe

Executes dropped EXE 1 IoCs

pid	Process
216	3a.exe

Adds Run key to start application 2 TTPs 2 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\5a295eb30a8c4bea86741e429f16b791 = "\"C:\\ProgramData\\3a.exe\" .."	3a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5a295eb30a8c4bea86741e429f16b791 = "\"C:\\ProgramData\\3a.exe\" .."	3a.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

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	a48793de08e00cbf27bea2e14c5dfa19cb3a00cf022d5d5aa544c335c411c2cfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe
216	3a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	216	3a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 216	2804	a48793de08e00cbf27bea2e14c5dfa19cb3a00cf022d5d5aa544c335c411c2cfN.exe	82
PID 2804 wrote to memory of 216	2804	a48793de08e00cbf27bea2e14c5dfa19cb3a00cf022d5d5aa544c335c411c2cfN.exe	82
PID 2804 wrote to memory of 216	2804	a48793de08e00cbf27bea2e14c5dfa19cb3a00cf022d5d5aa544c335c411c2cfN.exe	82
PID 216 wrote to memory of 4396	216	3a.exe	83
PID 216 wrote to memory of 4396	216	3a.exe	83
PID 216 wrote to memory of 4396	216	3a.exe	83

C:\Users\Admin\AppData\Local\Temp\a48793de08e00cbf27bea2e14c5dfa19cb3a00cf022d5d5aa544c335c411c2cfN.exe
"C:\Users\Admin\AppData\Local\Temp\a48793de08e00cbf27bea2e14c5dfa19cb3a00cf022d5d5aa544c335c411c2cfN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2804
- C:\ProgramData\3a.exe
  "C:\ProgramData\3a.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\3a.exe" "3a.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4396

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\3a.exe

Filesize
29KB

MD5
760311844c7277c1093b2329a4457b30

SHA1
f680eba0056d8e68976b7acdfb2281522a7929d8

SHA256
a48793de08e00cbf27bea2e14c5dfa19cb3a00cf022d5d5aa544c335c411c2cf

SHA512
986c78b2a350da5faa1ea838ee782ab10b2034e605fef1801ec8f06668b6556c366d24022fa0f511586e33f3f2301f6a51bbb152910b9653c84fa26499c30775

Download Submit
memory/216-13-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/216-15-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/216-16-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/216-17-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/2804-0-0x0000000075212000-0x0000000075213000-memory.dmp

Filesize
4KB

Download
memory/2804-1-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/2804-2-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/2804-12-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads