f244948e24a00795007731776df7ad16618156c8cf48bd7d3065691d2db2562f

General

Target

55a675d043d984c417fafacbcf846c6e.exe
Size

952KB
MD5

55a675d043d984c417fafacbcf846c6e
SHA1

877f01a36a2a0a63ea3b40ff3f5fdff644710639
SHA256

f244948e24a00795007731776df7ad16618156c8cf48bd7d3065691d2db2562f
SHA512

fdddf0a17ed77223d35c2684e671ef642d70cd7549e2561fbab5eb4606b34911a358ffad9c567f8cc3e67045c3b9d9a58603523113dcf121344760889151e9b2
SSDEEP

24576:OpZVh3z3WCz6gOGvhign2gq2zVHdlrI1MWstq/wK+IOBFX6AOELmh:OHVhj31z6gjZignU2zT5I1MWsU/wND9M

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1836	defender.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1876-0-0x0000000000400000-0x00000000006E1000-memory.dmp	upx
behavioral2/memory/1836-14-0x0000000000400000-0x0000000000A0B000-memory.dmp	upx
behavioral2/files/0x00070000000231f8-12.dat	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1876	55a675d043d984c417fafacbcf846c6e.exe
1876	55a675d043d984c417fafacbcf846c6e.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 1836	1876	55a675d043d984c417fafacbcf846c6e.exe	22
PID 1876 wrote to memory of 1836	1876	55a675d043d984c417fafacbcf846c6e.exe	22
PID 1876 wrote to memory of 1836	1876	55a675d043d984c417fafacbcf846c6e.exe	22

C:\Users\Admin\AppData\Local\Temp\55a675d043d984c417fafacbcf846c6e.exe
"C:\Users\Admin\AppData\Local\Temp\55a675d043d984c417fafacbcf846c6e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1876
- C:\ProgramData\defender.exe
  C:\ProgramData\defender.exe
  2⤵
  - Executes dropped EXE
  PID:1836

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:756

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
PID:1912

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:4736
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  PID:3132

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
PID:912

C:\Windows\explorer.exe
explorer.exe
1⤵
PID:692

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:5044
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  PID:3940

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
1⤵
PID:3976

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:4088

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3756
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  PID:4628

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2392
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  PID:2412

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:4020
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  PID:3788

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\defender.exe

Filesize
92KB

MD5
9f41f86bfb4cf1246133c5a74611b040

SHA1
5ca031349c75eaad13ad1611b57d683c07b76e55

SHA256
474662805ae48d430fa5e4bb824240b468196036b86972f95dcdf1151b442d37

SHA512
b5fcbee16776604480c55b7e783173edfb1108f1a3079a15f4950589b88c8ab4d199cc9fcb55dab5eef9e2002094927fd6e91cb9466c1a6b2b3e038c3d6b5f70

Download Submit
memory/692-28-0x0000000003390000-0x0000000003391000-memory.dmp

Filesize
4KB

Download
memory/1836-57-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-76-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-90-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-20-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-22-0x0000000002830000-0x0000000002831000-memory.dmp

Filesize
4KB

Download
memory/1836-21-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-17-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-16-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/1836-15-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/1836-89-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-55-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/1836-88-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-87-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-39-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-84-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-54-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-14-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-56-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/1836-83-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-64-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-65-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-66-0x0000000002830000-0x0000000002831000-memory.dmp

Filesize
4KB

Download
memory/1836-67-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-74-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-75-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-82-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1836-79-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/1876-0-0x0000000000400000-0x00000000006E1000-memory.dmp

Filesize
2.9MB

Download
memory/1876-1-0x00000000025D0000-0x00000000025E0000-memory.dmp

Filesize
64KB

Download
memory/1876-3-0x0000000000400000-0x00000000006E1000-memory.dmp

Filesize
2.9MB

Download
memory/1876-2-0x00000000025D0000-0x00000000025E0000-memory.dmp

Filesize
64KB

Download
memory/1876-19-0x0000000000400000-0x00000000006E1000-memory.dmp

Filesize
2.9MB

Download
memory/3788-46-0x00000000044A0000-0x00000000044A1000-memory.dmp

Filesize
4KB

Download
memory/4628-37-0x0000000004960000-0x0000000004961000-memory.dmp

Filesize
4KB

Download

Analysis

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