9da8fc6dd4e0b6cfdaddb3a49cd0787d9ecd87e94bf84c530ba9b0295515ea2b

Resubmissions

28/08/2023, 01:37

230828-b1vjksge2s 7

28/08/2023, 01:33

230828-byvfssgd7x 7

Analysis

max time kernel
139s
max time network
269s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
28/08/2023, 01:37

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General

Target

data64_1.exe
Size

214KB
MD5

5fa19dfd3b125b6e048f0792e7862c10
SHA1

7e203943f8cea22dc4b2fe84d56a64b2d0df3050
SHA256

9da8fc6dd4e0b6cfdaddb3a49cd0787d9ecd87e94bf84c530ba9b0295515ea2b
SHA512

dc6fd8ed080e40838eaf070b3edb85cedd2c1a8a5401418a10142a1c3cfcbd20f2e6fbbafca9a0e75ccf9088118e8dfe9955e4c17c28ddb18a8dcdf7492bd942
SSDEEP

3072:DahKyd2n31M5wzl3BYb7btbJQAetrmzexqLeFzuYxcHXfCcFRD923m24cCeI:DahOrYcAeaesLe0YxcqGRU3Z4R

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4300	modernperiod.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\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	data64_1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\InstallUtil.exe"	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4300 set thread context of 2644	4300	modernperiod.exe	91

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4300	modernperiod.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4300	modernperiod.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 4300	4124	data64_1.exe	81
PID 4124 wrote to memory of 4300	4124	data64_1.exe	81
PID 4124 wrote to memory of 4300	4124	data64_1.exe	81
PID 4300 wrote to memory of 2644	4300	modernperiod.exe	91
PID 4300 wrote to memory of 2644	4300	modernperiod.exe	91
PID 4300 wrote to memory of 2644	4300	modernperiod.exe	91
PID 4300 wrote to memory of 2644	4300	modernperiod.exe	91
PID 4300 wrote to memory of 2644	4300	modernperiod.exe	91
PID 4300 wrote to memory of 2644	4300	modernperiod.exe	91
PID 4300 wrote to memory of 2644	4300	modernperiod.exe	91
PID 4300 wrote to memory of 2644	4300	modernperiod.exe	91

C:\Users\Admin\AppData\Local\Temp\data64_1.exe
"C:\Users\Admin\AppData\Local\Temp\data64_1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\modernperiod.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\modernperiod.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4300
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - Adds Run key to start application
    PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\modernperiod.exe

Filesize
251KB

MD5
4eaed62249125c561de53344b99b82ea

SHA1
5ff6fd5bb9b35ecc5a17d467dcbaea065198dc19

SHA256
d9b146d0dc26f6c215fb76b3f4941c310aa2a42729bb06feaf029e1a826e3bbc

SHA512
00f73a1f6b2e1473fbc44f3c86e1b2cdab5225682816abff19e8f02a50e8135a717e9f1aa27d198a288f2e5f808f7995f7e7450d0be3907c2f11f73aa704baed

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\modernperiod.exe

Filesize
251KB

MD5
4eaed62249125c561de53344b99b82ea

SHA1
5ff6fd5bb9b35ecc5a17d467dcbaea065198dc19

SHA256
d9b146d0dc26f6c215fb76b3f4941c310aa2a42729bb06feaf029e1a826e3bbc

SHA512
00f73a1f6b2e1473fbc44f3c86e1b2cdab5225682816abff19e8f02a50e8135a717e9f1aa27d198a288f2e5f808f7995f7e7450d0be3907c2f11f73aa704baed

Download Submit
memory/2644-14-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2644-20-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/2644-19-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/2644-18-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/2644-16-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4300-7-0x0000000005910000-0x0000000005EB4000-memory.dmp

Filesize
5.6MB

Download
memory/4300-11-0x00000000053D0000-0x00000000053DA000-memory.dmp

Filesize
40KB

Download
memory/4300-12-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4300-13-0x0000000005720000-0x0000000005730000-memory.dmp

Filesize
64KB

Download
memory/4300-10-0x0000000005720000-0x0000000005730000-memory.dmp

Filesize
64KB

Download
memory/4300-9-0x00000000054A0000-0x000000000553C000-memory.dmp

Filesize
624KB

Download
memory/4300-17-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4300-8-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/4300-5-0x0000000000DD0000-0x0000000000E14000-memory.dmp

Filesize
272KB

Download
memory/4300-6-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download