59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a

General

Target

59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
Size

174KB
MD5

12046ca6cceb55637a8fbbcff42d1b37
SHA1

9362b599f6356a41ac4c2db5e148f7e4eb6834f2
SHA256

59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a
SHA512

062018b5504261d2d92822203bf3a569732ea27afbeee9eb2ae12893609ff2c74e8c56d9e990023612ddf3b4284d028d51dd172a5aea2bcd04d0ba21ee604908
SSDEEP

3072:C4+qazb2+jZTy49OEUImVIW3g8F7oWt69viNKkoARGz1H1K/G1g8MOQl0XxThtOM:b+/qwTy49O9eug82SeZkoAROHg8jy0X/

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1280	Explorer.EXE
468	services.exe

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-4063495947-34355257-727531523-1000\\$d4e37f8e5af09b64e86d0830097e992e\\n."	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe

Deletes itself 1 IoCs

pid	Process
528	cmd.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 1368 set thread context of 528	1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe	27

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\clsid	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-4063495947-34355257-727531523-1000\\$d4e37f8e5af09b64e86d0830097e992e\\n."	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
468	services.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1280	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
Token: SeDebugPrivilege	1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
Token: SeDebugPrivilege	1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
Token: SeDebugPrivilege	468	services.exe
Token: SeBackupPrivilege	468	services.exe
Token: SeRestorePrivilege	468	services.exe
Token: SeSecurityPrivilege	468	services.exe
Token: SeTakeOwnershipPrivilege	468	services.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1280	Explorer.EXE
1280	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1280	Explorer.EXE
1280	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 1280	1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe	13
PID 1368 wrote to memory of 1280	1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe	13
PID 1368 wrote to memory of 468	1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe	2
PID 1368 wrote to memory of 528	1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe	27
PID 1368 wrote to memory of 528	1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe	27
PID 1368 wrote to memory of 528	1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe	27
PID 1368 wrote to memory of 528	1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe	27
PID 1368 wrote to memory of 528	1368	59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.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:468

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1280
- C:\Users\Admin\AppData\Local\Temp\59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.exe
  "C:\Users\Admin\AppData\Local\Temp\59b738333eeb7ee6900f6cf00455915499c99612b9e4dc45243034dca860e18a.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:1368
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:528

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-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\@

Filesize
2KB

MD5
a0dd4d59d8d6669c760ada4352d9ea9d

SHA1
8da0a7de0ca4dd512013e70469a86cc2d1283a41

SHA256
342fca7353883461d42b89de13c9f299ec89ab0460787950f93a849b9fc3cce7

SHA512
97eeb135a748986af90053fdfcd68a6ac619bdfe067cc22496e57acf156514ba36ca9a88e00c7d72b801568fb9bd166a58ee397956aa51a3387d7e647a65f8cb

Download Submit
C:\$Recycle.Bin\S-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
C:\$Recycle.Bin\S-1-5-21-4063495947-34355257-727531523-1000\$d4e37f8e5af09b64e86d0830097e992e\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-21-4063495947-34355257-727531523-1000\$d4e37f8e5af09b64e86d0830097e992e\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
memory/1368-55-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1368-54-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1368-56-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1368-57-0x0000000000280000-0x00000000002B2000-memory.dmp

Filesize
200KB

Download
memory/1368-63-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1368-65-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

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