de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d

General

Target

de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
Size

159KB
MD5

f14ebf527b368bc6e95b577c66e6b9f4
SHA1

1a548e3225fb651b48f3ae586b537aa3bb3731fa
SHA256

de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d
SHA512

833f258fd043e19a5689689f789dd60fed6895af2a764155f220ff7a470c9201d560ab5bf20553723fea110b678159550897cdea5e119e248e7a16d89cee7a94
SSDEEP

3072:p6D7h1+hV2PCbQKSFYVG7BPWpQ74G2IHn2g93SPwPHs08frkEOWY/UIKOj:pSN1SiCcxFYVLyMCjjfcOWYjJj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1260	Explorer.EXE
464	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\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f545a6cb63874d75375b4ac5befd06b3\\n."	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.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."	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe

Deletes itself 1 IoCs

pid	Process
864	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 1672 set thread context of 864	1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe	27

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\clsid	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.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."	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f545a6cb63874d75375b4ac5befd06b3\\n."	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
464	services.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
Token: SeDebugPrivilege	1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
Token: SeDebugPrivilege	1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
Token: SeDebugPrivilege	464	services.exe
Token: SeBackupPrivilege	464	services.exe
Token: SeRestorePrivilege	464	services.exe
Token: SeSecurityPrivilege	464	services.exe
Token: SeTakeOwnershipPrivilege	464	services.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1260	Explorer.EXE
1260	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1260	Explorer.EXE
1260	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1260	1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe	15
PID 1672 wrote to memory of 1260	1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe	15
PID 1672 wrote to memory of 464	1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe	2
PID 1672 wrote to memory of 864	1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe	27
PID 1672 wrote to memory of 864	1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe	27
PID 1672 wrote to memory of 864	1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe	27
PID 1672 wrote to memory of 864	1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe	27
PID 1672 wrote to memory of 864	1672	de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.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
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1260
- C:\Users\Admin\AppData\Local\Temp\de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.exe
  "C:\Users\Admin\AppData\Local\Temp\de8634a593943d8342a61e9f7d74601741ae99d38bf6e9242dbb9189d49c2c7d.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:1672
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:864

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
6b48b8d0f5af3fb895f9bdaaadcb3cc7

SHA1
86f7d316c1422e3c6ef626c2c1f93bb3c81c5357

SHA256
8c8ed44a50a780dd565f161c60b2b7c944e33594111a84bb37370ba608e24416

SHA512
bd77ac431c03cab120e5b23ec6f6e31437f7b39eb2158fe9456a9f6b49928539f62e241bb35003cade5025e39ce56aa773beea9e19dc85024afa8402f8b26a33

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/1672-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1672-57-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1672-58-0x0000000000430000-0x000000000044F000-memory.dmp

Filesize
124KB

Download
memory/1672-63-0x0000000000430000-0x000000000044F000-memory.dmp

Filesize
124KB

Download

Analysis

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