03adaeb466daf32db9a0a2e63e312cbd1ad4d3d408bca1bb35c5d35448b89795

General

Target

b5f11fcdc64487ba5baff7d51e0bb7ca.exe
Size

187KB
MD5

b5f11fcdc64487ba5baff7d51e0bb7ca
SHA1

2c0aa295be6051d088da4132cea782835d186d17
SHA256

03adaeb466daf32db9a0a2e63e312cbd1ad4d3d408bca1bb35c5d35448b89795
SHA512

70d2d204f3e02b8c8cd01640067a263fa0770e8203867113239201d149495b263c23b5994b165f3de87aae13e0b38d034d1753802d2175d55ccd13530fd8969a
SSDEEP

3072:YugxuqbZ/wtdNrl/eFYUnuZFXQKg5lZfzKTVbA/w4jvHgNx21otHD9eL:Y9UqbkdRlkiZ6KIb7vw47AN0S

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2660	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1196	Explorer.EXE
464	services.exe

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-778096762-2241304387-192235952-1000\\$f07a1ce34e797e1f642a8a92b8164874\\n."	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f07a1ce34e797e1f642a8a92b8164874\\n."	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	b5f11fcdc64487ba5baff7d51e0bb7ca.exe

Unexpected DNS network traffic destination 9 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	\systemroot\assembly\GAC_64\Desktop.ini	services.exe
File created	\systemroot\assembly\GAC_32\Desktop.ini	services.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2496 set thread context of 2660	2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe	27

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\clsid	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-778096762-2241304387-192235952-1000\\$f07a1ce34e797e1f642a8a92b8164874\\n."	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f07a1ce34e797e1f642a8a92b8164874\\n."	b5f11fcdc64487ba5baff7d51e0bb7ca.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
464	services.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
Token: SeDebugPrivilege	2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
Token: SeDebugPrivilege	2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe
Token: SeDebugPrivilege	464	services.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 1196	2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe	21
PID 2496 wrote to memory of 1196	2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe	21
PID 2496 wrote to memory of 464	2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe	6
PID 2496 wrote to memory of 2660	2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe	27
PID 2496 wrote to memory of 2660	2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe	27
PID 2496 wrote to memory of 2660	2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe	27
PID 2496 wrote to memory of 2660	2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe	27
PID 2496 wrote to memory of 2660	2496	b5f11fcdc64487ba5baff7d51e0bb7ca.exe	27

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:464

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
PID:1196
- C:\Users\Admin\AppData\Local\Temp\b5f11fcdc64487ba5baff7d51e0bb7ca.exe
  "C:\Users\Admin\AppData\Local\Temp\b5f11fcdc64487ba5baff7d51e0bb7ca.exe"
  2⤵
  - Registers COM server for autorun
  - Suspicious use of SetThreadContext
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2496
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-18\$f07a1ce34e797e1f642a8a92b8164874\@

Filesize
2KB

MD5
36f641fc345bbb449be6015bd535b0bf

SHA1
72c3b268764c6e1345f1d9afc305060e50e4ef77

SHA256
aa7b74dd5ee3c5c397bd425e61bf3580d04654e917e213cf76bf52da63d7f5e5

SHA512
df356a2db56a91588f4427568a96fd214a31296dab77a9bda03afe1e7f4313d0c38504da9a58b218d6ca7ac1f3e8edc910e63bb5a23763500ca98ea7c76af21c

Download Submit
\$Recycle.Bin\S-1-5-21-778096762-2241304387-192235952-1000\$f07a1ce34e797e1f642a8a92b8164874\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
memory/464-14-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/464-21-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/1196-10-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2496-2-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/2496-3-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2496-4-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2496-1-0x00000000002C0000-0x00000000002EA000-memory.dmp

Filesize
168KB

Download
memory/2496-5-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2496-0-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2496-19-0x00000000002C0000-0x00000000002EA000-memory.dmp

Filesize
168KB

Download
memory/2496-20-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads