3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e

Analysis

max time kernel
35s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11-10-2022 10:51

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General

Target

3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
Size

63KB
MD5

730bd5f04512983f404df9abd5955efb
SHA1

021a55183c9c3ecfbc058e09b0982dd994dd2fd8
SHA256

3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e
SHA512

a5ec39f4dc4182b91cfe06d9993aa662ae51364bd8008161e64aab59284b33af07a57845b7a2acbbe4849074dac424fa13db94e76a166d9d7d748a6fc735fbfe
SSDEEP

768:kOCPkgjITOsOuA0hc2Yyu7r/aZgeRlNMr1uuV8I3iihWjQEYI939OMhs2SCgVj:nCPtLL9eZgeRlmr58IytvYI9tZsVV

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1764-55-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\aaaaaaaa = "C:\\Windows\\System32\\aaaaaaaa.exe"	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\aaaaaaaa = "C:\\Users\\Admin\\aaaaaaaa.exe"	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\aaaaaaaa.exe	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe

Suspicious behavior: MapViewOfSection 20 IoCs

pid	Process
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 368	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	23
PID 1764 wrote to memory of 368	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	23
PID 1764 wrote to memory of 368	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	23
PID 1764 wrote to memory of 368	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	23
PID 1764 wrote to memory of 368	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	23
PID 1764 wrote to memory of 368	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	23
PID 1764 wrote to memory of 368	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	23
PID 1764 wrote to memory of 376	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	22
PID 1764 wrote to memory of 376	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	22
PID 1764 wrote to memory of 376	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	22
PID 1764 wrote to memory of 376	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	22
PID 1764 wrote to memory of 376	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	22
PID 1764 wrote to memory of 376	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	22
PID 1764 wrote to memory of 376	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	22
PID 1764 wrote to memory of 416	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	3
PID 1764 wrote to memory of 416	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	3
PID 1764 wrote to memory of 416	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	3
PID 1764 wrote to memory of 416	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	3
PID 1764 wrote to memory of 416	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	3
PID 1764 wrote to memory of 416	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	3
PID 1764 wrote to memory of 416	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	3
PID 1764 wrote to memory of 460	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	2
PID 1764 wrote to memory of 460	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	2
PID 1764 wrote to memory of 460	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	2
PID 1764 wrote to memory of 460	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	2
PID 1764 wrote to memory of 460	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	2
PID 1764 wrote to memory of 460	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	2
PID 1764 wrote to memory of 460	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	2
PID 1764 wrote to memory of 476	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	1
PID 1764 wrote to memory of 476	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	1
PID 1764 wrote to memory of 476	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	1
PID 1764 wrote to memory of 476	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	1
PID 1764 wrote to memory of 476	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	1
PID 1764 wrote to memory of 476	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	1
PID 1764 wrote to memory of 476	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	1
PID 1764 wrote to memory of 484	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	21
PID 1764 wrote to memory of 484	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	21
PID 1764 wrote to memory of 484	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	21
PID 1764 wrote to memory of 484	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	21
PID 1764 wrote to memory of 484	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	21
PID 1764 wrote to memory of 484	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	21
PID 1764 wrote to memory of 484	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	21
PID 1764 wrote to memory of 584	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	20
PID 1764 wrote to memory of 584	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	20
PID 1764 wrote to memory of 584	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	20
PID 1764 wrote to memory of 584	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	20
PID 1764 wrote to memory of 584	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	20
PID 1764 wrote to memory of 584	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	20
PID 1764 wrote to memory of 584	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	20
PID 1764 wrote to memory of 664	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	19
PID 1764 wrote to memory of 664	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	19
PID 1764 wrote to memory of 664	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	19
PID 1764 wrote to memory of 664	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	19
PID 1764 wrote to memory of 664	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	19
PID 1764 wrote to memory of 664	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	19
PID 1764 wrote to memory of 664	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	19
PID 1764 wrote to memory of 748	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	18
PID 1764 wrote to memory of 748	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	18
PID 1764 wrote to memory of 748	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	18
PID 1764 wrote to memory of 748	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	18
PID 1764 wrote to memory of 748	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	18
PID 1764 wrote to memory of 748	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	18
PID 1764 wrote to memory of 748	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	18
PID 1764 wrote to memory of 796	1764	3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe	17

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:476

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:460
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:296
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:600
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1232
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:1848
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:324
- - C:\Windows\system32\wininit.exe
    wininit.exe
    3⤵
    PID:368
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:1008
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  PID:864
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:836
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:796
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:748
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:664
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:584

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:416

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1360
- C:\Users\Admin\AppData\Local\Temp\3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe
  "C:\Users\Admin\AppData\Local\Temp\3f7815a83d46a1ec7949b61a16cb18fdb82e4059f4f83d19de58472b60ee010e.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1764

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1312

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
1⤵
PID:484

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:376

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1764-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/1764-55-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1764-56-0x0000000000270000-0x0000000000274000-memory.dmp

Filesize
16KB

Download
memory/1764-57-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download