6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef

Resubmissions

10-01-2023 00:57

230110-ba58dsgd29 8

09-01-2023 22:17

230109-17r5gaga66 10

Analysis

max time kernel
1632s
max time network
1802s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
10-01-2023 00:57

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General

Target

6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe
Size

1.0MB
MD5

067b0d35578c2755a06e9e6b702c4c05
SHA1

603edd059b6a616a984ba4582cd86384234ba2d0
SHA256

6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef
SHA512

992617a6220a41fde70e3e457b27a1b7474af44d23d501474c8e466e4648ea1a281b277f667434f097dc1808d3299a7b18076e16a924e15aa29319a8f0ff0595
SSDEEP

12288:u9iJB1C4k6XXEdR16EjdL7in0DpEXhZV8F9jL2FvEd/0rhFyYcvFb+BCFhyP8+:uoJuFfHjpsZVAv/0ruYctb+YFQ

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1784	kernel32.exe

Deletes itself 1 IoCs

pid	Process
1396	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1008	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Baskov = "C:\\Users\\Admin\\Baskov\\kernel32.exe"	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1784 set thread context of 580	1784	kernel32.exe	34

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1324	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	580	InstallUtil.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 1784	1008	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe	28
PID 1008 wrote to memory of 1784	1008	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe	28
PID 1008 wrote to memory of 1784	1008	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe	28
PID 1008 wrote to memory of 1784	1008	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe	28
PID 1008 wrote to memory of 1784	1008	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe	28
PID 1008 wrote to memory of 1784	1008	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe	28
PID 1008 wrote to memory of 1784	1008	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe	28
PID 1008 wrote to memory of 1396	1008	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe	29
PID 1008 wrote to memory of 1396	1008	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe	29
PID 1008 wrote to memory of 1396	1008	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe	29
PID 1008 wrote to memory of 1396	1008	6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe	29
PID 1396 wrote to memory of 828	1396	cmd.exe	31
PID 1396 wrote to memory of 828	1396	cmd.exe	31
PID 1396 wrote to memory of 828	1396	cmd.exe	31
PID 1396 wrote to memory of 828	1396	cmd.exe	31
PID 1396 wrote to memory of 1324	1396	cmd.exe	32
PID 1396 wrote to memory of 1324	1396	cmd.exe	32
PID 1396 wrote to memory of 1324	1396	cmd.exe	32
PID 1396 wrote to memory of 1324	1396	cmd.exe	32
PID 1784 wrote to memory of 560	1784	kernel32.exe	33
PID 1784 wrote to memory of 560	1784	kernel32.exe	33
PID 1784 wrote to memory of 560	1784	kernel32.exe	33
PID 1784 wrote to memory of 560	1784	kernel32.exe	33
PID 1784 wrote to memory of 560	1784	kernel32.exe	33
PID 1784 wrote to memory of 560	1784	kernel32.exe	33
PID 1784 wrote to memory of 560	1784	kernel32.exe	33
PID 1784 wrote to memory of 580	1784	kernel32.exe	34
PID 1784 wrote to memory of 580	1784	kernel32.exe	34
PID 1784 wrote to memory of 580	1784	kernel32.exe	34
PID 1784 wrote to memory of 580	1784	kernel32.exe	34
PID 1784 wrote to memory of 580	1784	kernel32.exe	34
PID 1784 wrote to memory of 580	1784	kernel32.exe	34
PID 1784 wrote to memory of 580	1784	kernel32.exe	34
PID 1784 wrote to memory of 580	1784	kernel32.exe	34
PID 1784 wrote to memory of 580	1784	kernel32.exe	34

C:\Users\Admin\AppData\Local\Temp\6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe
"C:\Users\Admin\AppData\Local\Temp\6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Users\Admin\Baskov\kernel32.exe
  "C:\Users\Admin\Baskov\kernel32.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    PID:560
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:580
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\6af2204e4e62a5d44462335379f8e70f7d680da84f2a7f6c328fbd40014694ef.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1396
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:828
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Web Service

T1102

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Baskov\kernel32.exe

Filesize
651.0MB

MD5
46f42ebca6a23b350e110f1354c3e88d

SHA1
c0744e11fbc29bc33e0b10d205906a55373cd8e4

SHA256
10ba34275255db10bafb3384c6559043cd0b811a6cd4c9d56754f0d3141c50ca

SHA512
6fabfea0b635b54f3f2130389ecdb0e7dc785d262b697f9fd7818f4137ca081b6c66fa207889408879ed0e857316000714988ca4c4edf19af2f6d87a364d8262

Download Submit
\Users\Admin\Baskov\kernel32.exe

Filesize
651.0MB

MD5
46f42ebca6a23b350e110f1354c3e88d

SHA1
c0744e11fbc29bc33e0b10d205906a55373cd8e4

SHA256
10ba34275255db10bafb3384c6559043cd0b811a6cd4c9d56754f0d3141c50ca

SHA512
6fabfea0b635b54f3f2130389ecdb0e7dc785d262b697f9fd7818f4137ca081b6c66fa207889408879ed0e857316000714988ca4c4edf19af2f6d87a364d8262

Download Submit
memory/580-64-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/580-72-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/580-70-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/580-67-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/580-68-0x00000000004A0E0E-mapping.dmp

Download
memory/828-60-0x0000000000000000-mapping.dmp

Download
memory/1008-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1008-55-0x0000000000AF1000-0x0000000000AFC000-memory.dmp

Filesize
44KB

Download
memory/1324-61-0x0000000000000000-mapping.dmp

Download
memory/1396-59-0x0000000000000000-mapping.dmp

Download
memory/1784-63-0x00000000009F1000-0x00000000009FC000-memory.dmp

Filesize
44KB

Download
memory/1784-57-0x0000000000000000-mapping.dmp

Download