eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8

General

Target

eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
Size

196KB
MD5

625d1e1622feba7a571b647351cce845
SHA1

b12c7662826df7f79b76cb5d9ed6fb7e0826c493
SHA256

eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8
SHA512

0fdf46018274236581ee103000a30d238dd3011a96dd624dddee1c95c48ed1f94cba2bc79d4af873b5e560810c13de3c956abb0e95e5eb675a964eabe7cdcf96
SSDEEP

3072:3s7XG/PDiU09VjJu4zOB5SsLU8E1u9G1ZgVKR1pvMRIDENShdT2N6laxJapcIET:3J/PgubaV1yV6vhEa6N6laXT

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1356	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-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-999675638-2867687379-27515722-1000\\$f545a6cb63874d75375b4ac5befd06b3\\n."	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f545a6cb63874d75375b4ac5befd06b3\\n."	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe

Deletes itself 1 IoCs

pid	Process
1256	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 364 set thread context of 1256	364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe	26

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f545a6cb63874d75375b4ac5befd06b3\\n."	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\clsid	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-999675638-2867687379-27515722-1000\\$f545a6cb63874d75375b4ac5befd06b3\\n."	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
468	services.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
Token: SeDebugPrivilege	364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
Token: SeDebugPrivilege	364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.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
1356	Explorer.EXE
1356	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1356	Explorer.EXE
1356	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 364 wrote to memory of 1356	364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe	17
PID 364 wrote to memory of 1356	364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe	17
PID 364 wrote to memory of 468	364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe	2
PID 364 wrote to memory of 1256	364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe	26
PID 364 wrote to memory of 1256	364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe	26
PID 364 wrote to memory of 1256	364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe	26
PID 364 wrote to memory of 1256	364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe	26
PID 364 wrote to memory of 1256	364	eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe	26

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 use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1356
- C:\Users\Admin\AppData\Local\Temp\eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.exe
  "C:\Users\Admin\AppData\Local\Temp\eff72997d59feb5c028d84190220d134432e6111e0b2c7f3991c76567889e9a8.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:364
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:1256

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\$f545a6cb63874d75375b4ac5befd06b3\@

Filesize
2KB

MD5
035061cec34294f4956a4beffb41050d

SHA1
cd4d91189987b5812af819a42b364a46d6ff05c7

SHA256
c6f14ddbcf8443a8eb4e0977c85823fe27524050df1b49061b48d22f5ecb107e

SHA512
5faf46b195bbebcebcb9a791d51d0e5ae8d38f3776458993acd1b78df8a2f7cb908b18860b38b8a00816b78d01cafc8c316cb49c42d728d3efb7a3d9976d5068

Download Submit
C:\$Recycle.Bin\S-1-5-18\$f545a6cb63874d75375b4ac5befd06b3\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
C:\$Recycle.Bin\S-1-5-21-999675638-2867687379-27515722-1000\$f545a6cb63874d75375b4ac5befd06b3\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-18\$f545a6cb63874d75375b4ac5befd06b3\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-21-999675638-2867687379-27515722-1000\$f545a6cb63874d75375b4ac5befd06b3\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
memory/364-57-0x0000000000230000-0x0000000000264000-memory.dmp

Filesize
208KB

Download
memory/364-54-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/364-56-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/364-55-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/364-63-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/364-65-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/364-66-0x0000000000230000-0x0000000000264000-memory.dmp

Filesize
208KB

Download
memory/1256-64-0x0000000000000000-mapping.dmp

Download

Analysis

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