27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1

General

Target

27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
Size

197KB
MD5

54adacf41b1062d0b63d37408cbb39a0
SHA1

ef40d2bc8068711e7ce1b04aed9fa6ca586e630d
SHA256

27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1
SHA512

13b2b8a9754ebb8baaca2279f44449e34133333448e3a322e0f2b47cc56b5d2612ac5dd4f5bea586d4f881cbe181fad430928a9ff96324fc21aa812ad05c9d36
SSDEEP

6144:UV34K9R49UYpj9nILZ2g7pU/TgxCkEOJ/p4nkZbq:UV3j/Kpj5It2g60xnESp4nWbq

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1212	Explorer.EXE
460	services.exe

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3845472200-3839195424-595303356-1000\\$bb8ab67ad8382496fd4eead6952e3208\\n."	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$bb8ab67ad8382496fd4eead6952e3208\\n."	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe

Deletes itself 1 IoCs

pid	Process
1380	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 896 set thread context of 1380	896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe	28

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\clsid	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3845472200-3839195424-595303356-1000\\$bb8ab67ad8382496fd4eead6952e3208\\n."	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$bb8ab67ad8382496fd4eead6952e3208\\n."	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
460	services.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
Token: SeDebugPrivilege	896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
Token: SeDebugPrivilege	896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
Token: SeDebugPrivilege	460	services.exe
Token: SeBackupPrivilege	460	services.exe
Token: SeRestorePrivilege	460	services.exe
Token: SeSecurityPrivilege	460	services.exe
Token: SeTakeOwnershipPrivilege	460	services.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 896 wrote to memory of 1212	896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe	16
PID 896 wrote to memory of 1212	896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe	16
PID 896 wrote to memory of 460	896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe	2
PID 896 wrote to memory of 1380	896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe	28
PID 896 wrote to memory of 1380	896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe	28
PID 896 wrote to memory of 1380	896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe	28
PID 896 wrote to memory of 1380	896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe	28
PID 896 wrote to memory of 1380	896	27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe	28

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:460

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1212
- C:\Users\Admin\AppData\Local\Temp\27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.exe
  "C:\Users\Admin\AppData\Local\Temp\27a5e169f3dccbf7b9ddee5a399e97cba1c1b482d884b5431d9f81774a7cb8d1.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:896
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:1380

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\$bb8ab67ad8382496fd4eead6952e3208\@

Filesize
2KB

MD5
62753dd269ba079bfa597c0d83786739

SHA1
6fd63a4aca29fe0f801f6c6dc3cb37f8f0fb5e50

SHA256
08921d22fba5fe4153873bfe762c6efb72c822220d647f817efe1862f0276185

SHA512
d31c79dadf4e37645c7c61d360b9f97efe74d0201e31ad762ff374f28f76384e1c432882d17b6ba0d7478de3e890859ec4b3d33e751150fcbb999bd637a33718

Download Submit
C:\$Recycle.Bin\S-1-5-18\$bb8ab67ad8382496fd4eead6952e3208\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
C:\$Recycle.Bin\S-1-5-21-3845472200-3839195424-595303356-1000\$bb8ab67ad8382496fd4eead6952e3208\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-18\$bb8ab67ad8382496fd4eead6952e3208\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-21-3845472200-3839195424-595303356-1000\$bb8ab67ad8382496fd4eead6952e3208\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
memory/896-54-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/896-55-0x0000000000230000-0x0000000000268000-memory.dmp

Filesize
224KB

Download
memory/896-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/896-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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