54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9

General

Target

54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9.exe
Size

464KB
MD5

917eb962b83808522dec4fd3801e7d46
SHA1

de6f369443113fff911f75488b5327239020f028
SHA256

54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9
SHA512

83da0b92fe548b9df44a0f176d05052d0826361b208f8fd6f37bbdc49b63c5d853916a0061a08756cf8b87b871ebe54a2874b57d07747a8bfb26ddb4bbe24d78
SSDEEP

6144:qSnvrLh+QkCL4URaAUBbAp41bTQwLsWEI+QzT5e+HcR01:qSnTLICDQbApoHQOsWEqzJHcG

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
580	gcfsggcj.exe

Deletes itself 1 IoCs

pid	Process
1004	cmd.exe

Loads dropped DLL 3 IoCs

pid	Process
1004	cmd.exe
1004	cmd.exe
580	gcfsggcj.exe

Adds Run key to start application 2 TTPs 1 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\RunOnce	54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
1232	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1644	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1232	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1004	1932	54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9.exe	28
PID 1932 wrote to memory of 1004	1932	54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9.exe	28
PID 1932 wrote to memory of 1004	1932	54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9.exe	28
PID 1932 wrote to memory of 1004	1932	54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9.exe	28
PID 1004 wrote to memory of 1232	1004	cmd.exe	30
PID 1004 wrote to memory of 1232	1004	cmd.exe	30
PID 1004 wrote to memory of 1232	1004	cmd.exe	30
PID 1004 wrote to memory of 1232	1004	cmd.exe	30
PID 1004 wrote to memory of 1644	1004	cmd.exe	32
PID 1004 wrote to memory of 1644	1004	cmd.exe	32
PID 1004 wrote to memory of 1644	1004	cmd.exe	32
PID 1004 wrote to memory of 1644	1004	cmd.exe	32
PID 1004 wrote to memory of 580	1004	cmd.exe	33
PID 1004 wrote to memory of 580	1004	cmd.exe	33
PID 1004 wrote to memory of 580	1004	cmd.exe	33
PID 1004 wrote to memory of 580	1004	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9.exe
"C:\Users\Admin\AppData\Local\Temp\54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1932 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9.exe" & start C:\Users\Admin\AppData\Local\gcfsggcj.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1004
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 1932
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1232
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:1644
- - C:\Users\Admin\AppData\Local\gcfsggcj.exe
    C:\Users\Admin\AppData\Local\gcfsggcj.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\gcfsggcj.exe

Filesize
464KB

MD5
917eb962b83808522dec4fd3801e7d46

SHA1
de6f369443113fff911f75488b5327239020f028

SHA256
54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9

SHA512
83da0b92fe548b9df44a0f176d05052d0826361b208f8fd6f37bbdc49b63c5d853916a0061a08756cf8b87b871ebe54a2874b57d07747a8bfb26ddb4bbe24d78

Download Submit
C:\Users\Admin\AppData\Local\gcfsggcj.exe

Filesize
464KB

MD5
917eb962b83808522dec4fd3801e7d46

SHA1
de6f369443113fff911f75488b5327239020f028

SHA256
54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9

SHA512
83da0b92fe548b9df44a0f176d05052d0826361b208f8fd6f37bbdc49b63c5d853916a0061a08756cf8b87b871ebe54a2874b57d07747a8bfb26ddb4bbe24d78

Download Submit
\Users\Admin\AppData\Local\gcfsggcj.exe

Filesize
464KB

MD5
917eb962b83808522dec4fd3801e7d46

SHA1
de6f369443113fff911f75488b5327239020f028

SHA256
54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9

SHA512
83da0b92fe548b9df44a0f176d05052d0826361b208f8fd6f37bbdc49b63c5d853916a0061a08756cf8b87b871ebe54a2874b57d07747a8bfb26ddb4bbe24d78

Download Submit
\Users\Admin\AppData\Local\gcfsggcj.exe

Filesize
464KB

MD5
917eb962b83808522dec4fd3801e7d46

SHA1
de6f369443113fff911f75488b5327239020f028

SHA256
54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9

SHA512
83da0b92fe548b9df44a0f176d05052d0826361b208f8fd6f37bbdc49b63c5d853916a0061a08756cf8b87b871ebe54a2874b57d07747a8bfb26ddb4bbe24d78

Download Submit
\Users\Admin\AppData\Local\gcfsggcj.exe

Filesize
464KB

MD5
917eb962b83808522dec4fd3801e7d46

SHA1
de6f369443113fff911f75488b5327239020f028

SHA256
54fa86186d06317c3fd5fc7b7016c77b07569d9d4c37bb953fecc6dd6ea79fe9

SHA512
83da0b92fe548b9df44a0f176d05052d0826361b208f8fd6f37bbdc49b63c5d853916a0061a08756cf8b87b871ebe54a2874b57d07747a8bfb26ddb4bbe24d78

Download Submit
memory/580-66-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/580-67-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/1932-56-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/1932-54-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download

Analysis

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