582aa7490aa16878a1aa3b5201e6b72a6bd8bb19c6d181684e89e4bb195d5e07

General

Target

1ea49f84ffce2ba0f6411ff82d046450N.exe
Size

30KB
MD5

1ea49f84ffce2ba0f6411ff82d046450
SHA1

df67578a6a7e6e201a1da8f4ab76c86820417a2f
SHA256

582aa7490aa16878a1aa3b5201e6b72a6bd8bb19c6d181684e89e4bb195d5e07
SHA512

223e684caf56448c92f28a9a2c0d3eba43fa9a7f661c3367a6b896afbe7f95c7a9e5da90286d6b2a847e9f2fdde290aa41d910e96131c86bcd740db7cb5370d3
SSDEEP

384:41Kaqib5+HORB1WAd59jZXeeWCYozFLQI+JknAyFThKWENdW+suK:4vqS0ORBXxZXVYyebE

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	1ea49f84ffce2ba0f6411ff82d046450N.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	WINWORD.exe

Executes dropped EXE 2 IoCs

pid	Process
1396	WINWORD.exe
1420	WINWORD.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4272-0-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/files/0x00090000000234b6-5.dat	upx
behavioral2/memory/4272-13-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/1396-16-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/files/0x00050000000229ae-17.dat	upx
behavioral2/memory/1420-19-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/1420-22-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/1420-25-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/1420-29-0x0000000000400000-0x000000000041F000-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\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WINWORD = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla\\WINWORD.exe -r"	WINWORD.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1ea49f84ffce2ba0f6411ff82d046450N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 4 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2316	PING.EXE
692	cmd.exe
2112	PING.EXE
3480	PING.EXE

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
2112	PING.EXE
3480	PING.EXE
2316	PING.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 1396	4272	1ea49f84ffce2ba0f6411ff82d046450N.exe	86
PID 4272 wrote to memory of 1396	4272	1ea49f84ffce2ba0f6411ff82d046450N.exe	86
PID 4272 wrote to memory of 1396	4272	1ea49f84ffce2ba0f6411ff82d046450N.exe	86
PID 1396 wrote to memory of 692	1396	WINWORD.exe	90
PID 1396 wrote to memory of 692	1396	WINWORD.exe	90
PID 1396 wrote to memory of 692	1396	WINWORD.exe	90
PID 692 wrote to memory of 2112	692	cmd.exe	92
PID 692 wrote to memory of 2112	692	cmd.exe	92
PID 692 wrote to memory of 2112	692	cmd.exe	92
PID 692 wrote to memory of 3480	692	cmd.exe	94
PID 692 wrote to memory of 3480	692	cmd.exe	94
PID 692 wrote to memory of 3480	692	cmd.exe	94
PID 692 wrote to memory of 2316	692	cmd.exe	97
PID 692 wrote to memory of 2316	692	cmd.exe	97
PID 692 wrote to memory of 2316	692	cmd.exe	97
PID 692 wrote to memory of 1420	692	cmd.exe	100
PID 692 wrote to memory of 1420	692	cmd.exe	100
PID 692 wrote to memory of 1420	692	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\1ea49f84ffce2ba0f6411ff82d046450N.exe
"C:\Users\Admin\AppData\Local\Temp\1ea49f84ffce2ba0f6411ff82d046450N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe
  "C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe" -r
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1396
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 2&del "C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe"&ping 127.0.0.1 -n 2&rename "C:\Users\Admin\AppData\Roaming\Mozilla\0000297F" WINWORD.exe&ping 127.0.0.1 -n 2&"C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe" \r
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:692
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 2
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2112
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 2
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:3480
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 2
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2316
  - - C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe
      "C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe" \r
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:1420

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

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Mozilla\0000297F

Filesize
30KB

MD5
17f78f0ba89665ee94b009fccaddf989

SHA1
d1d39b6cb191209af0b7861e24e69f8c59966a8e

SHA256
1d78c91651808f1bce7dc803453cd6796f06d5bc7c2c4cb8c9da7472aafa6821

SHA512
d703f252ef327365dbe202d6b4f9ee9e65584f64a80eac2e83d038abd9bd924adced11c54f64037f1ab927e31f7b9e2b28f4f8654a1fcd8cfc1f466267b894fd

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe

Filesize
30KB

MD5
1ea49f84ffce2ba0f6411ff82d046450

SHA1
df67578a6a7e6e201a1da8f4ab76c86820417a2f

SHA256
582aa7490aa16878a1aa3b5201e6b72a6bd8bb19c6d181684e89e4bb195d5e07

SHA512
223e684caf56448c92f28a9a2c0d3eba43fa9a7f661c3367a6b896afbe7f95c7a9e5da90286d6b2a847e9f2fdde290aa41d910e96131c86bcd740db7cb5370d3

Download Submit
memory/1396-16-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1420-19-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1420-22-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1420-25-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1420-29-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4272-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4272-13-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads