bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73

General

Target

bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
Size

169KB
MD5

487ee9edfb0eb895e36de35217fa6f4c
SHA1

7ed6492ce0bc1dfd8c1621d4411ff2d7623ad42d
SHA256

bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73
SHA512

07b629f622e675730b850f82e36e86864167f4cd4f6b19f2d38bef3634c3429d225e999829899e62d40f0a3cc32b970db224246081bda5f19634ec2519eb1ced
SSDEEP

3072:9ZTTNKts7hlijUVNDljfyTepveLVO1U/X/kKlOFcsLvTFjXQauU+:nNNlQU3JjhveLVO1W/kUOGsLtA9r

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2248	Explorer.EXE

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-929662420-1054238289-2961194603-1000\\$bfcb9398bfb2ca3f1731e604ea3da242\\n."	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe

Unexpected DNS network traffic destination 5 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

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\clsid	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-929662420-1054238289-2961194603-1000\\$bfcb9398bfb2ca3f1731e604ea3da242\\n."	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
2248	Explorer.EXE
2248	Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2248	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
Token: SeDebugPrivilege	4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
Token: SeDebugPrivilege	4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
Token: SeDebugPrivilege	2248	Explorer.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 2248	4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe	24
PID 4864 wrote to memory of 2248	4864	bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe	24

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2248
- C:\Users\Admin\AppData\Local\Temp\bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe
  "C:\Users\Admin\AppData\Local\Temp\bf40ca2d5341a180a7d232192808f156727850885a3ec6169b7153d69871ba73.exe"
  2⤵
  - Registers COM server for autorun
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4864

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-929662420-1054238289-2961194603-1000\$bfcb9398bfb2ca3f1731e604ea3da242\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
C:\$Recycle.Bin\S-1-5-21-929662420-1054238289-2961194603-1000\$bfcb9398bfb2ca3f1731e604ea3da242\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
memory/4864-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4864-133-0x00000000006A0000-0x00000000006D5000-memory.dmp

Filesize
212KB

Download
memory/4864-136-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4864-137-0x00000000006A0000-0x00000000006D5000-memory.dmp

Filesize
212KB

Download

Analysis

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