98e02f038b75ad10b676ba226b575be134b241b123aa6422e91db958f9286f21

Analysis

max time kernel
38s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/10/2022, 22:17

Target

98e02f038b75ad10b676ba226b575be134b241b123aa6422e91db958f9286f21.dll
Size

36KB
MD5

5f83e1be182e55513a237df358665823
SHA1

430f06a326276bc203e6ffe2afdce1df5a6a93ba
SHA256

98e02f038b75ad10b676ba226b575be134b241b123aa6422e91db958f9286f21
SHA512

dac4ec77776b062120792007a4037ef5cca9184f825c147c308ec6f2fd6d825f5fdde0a9316b49a24163d24ce15b53c1d4fa4214989dba26af1159cb5f9422a2
SSDEEP

384:4ngz/RdiJscccVWSRuLBN9wSrli/xQfbfz1pvwMM58zU:4mziJs2uLhwSrluKT711jMW4

Score

8^/10

persistence

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe

Runs .reg file with regedit 1 IoCs

pid	Process
1136	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1968	rundll32.exe
1968	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1968	2000	rundll32.exe	26
PID 2000 wrote to memory of 1968	2000	rundll32.exe	26
PID 2000 wrote to memory of 1968	2000	rundll32.exe	26
PID 2000 wrote to memory of 1968	2000	rundll32.exe	26
PID 2000 wrote to memory of 1968	2000	rundll32.exe	26
PID 2000 wrote to memory of 1968	2000	rundll32.exe	26
PID 2000 wrote to memory of 1968	2000	rundll32.exe	26
PID 1968 wrote to memory of 1348	1968	rundll32.exe	27
PID 1968 wrote to memory of 1348	1968	rundll32.exe	27
PID 1968 wrote to memory of 1348	1968	rundll32.exe	27
PID 1968 wrote to memory of 1348	1968	rundll32.exe	27
PID 1348 wrote to memory of 1136	1348	cmd.exe	29
PID 1348 wrote to memory of 1136	1348	cmd.exe	29
PID 1348 wrote to memory of 1136	1348	cmd.exe	29
PID 1348 wrote to memory of 1136	1348	cmd.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98e02f038b75ad10b676ba226b575be134b241b123aa6422e91db958f9286f21.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\98e02f038b75ad10b676ba226b575be134b241b123aa6422e91db958f9286f21.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1348
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:1136

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Local\Temp\a.reg

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

Download Submit
memory/1968-55-0x00000000754E1000-0x00000000754E3000-memory.dmp

Filesize
8KB

Download