36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02

General

Target

36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
Size

199KB
MD5

2cd6a4970a4be157f3acf3358928b3c0
SHA1

64963623cdd6295df1c886a8d277448561d1d962
SHA256

36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02
SHA512

49fc3d6364ef90113b172de933d8f986f95c7315310b5ddf6e55525a9c2e3176a51cdfd97e6bd08ed5563ad918cf575bb45e52f52c5860a8191a5ee87905abff
SSDEEP

3072:B3Hb/JCI5Hh1PR8/+SCSwp0HBSDCfM7OFeBoPM9ArZuih+cUsf:9jwQHrR8/Apm18O8BJ9BihN

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\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."	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f545a6cb63874d75375b4ac5befd06b3\\n."	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe

Deletes itself 1 IoCs

pid	Process
1752	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 1644 set thread context of 1752	1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe	27

Modifies registry class 6 IoCs

description	ioc	Process
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."	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f545a6cb63874d75375b4ac5befd06b3\\n."	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\clsid	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
464	services.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
Token: SeDebugPrivilege	1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
Token: SeDebugPrivilege	1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.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 1644 wrote to memory of 1260	1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe	15
PID 1644 wrote to memory of 1260	1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe	15
PID 1644 wrote to memory of 464	1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe	2
PID 1644 wrote to memory of 1752	1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe	27
PID 1644 wrote to memory of 1752	1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe	27
PID 1644 wrote to memory of 1752	1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe	27
PID 1644 wrote to memory of 1752	1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe	27
PID 1644 wrote to memory of 1752	1644	36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.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\36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.exe
  "C:\Users\Admin\AppData\Local\Temp\36b3add1eec474f1eeb6769f238b5e70fce7f6e1409d6c25553595b811d65d02.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:1644
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:1752

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-18\$f545a6cb63874d75375b4ac5befd06b3\@

Filesize
2KB

MD5
1c62c5f33172dee74e6aae3022cc5196

SHA1
3991fa68427cdeafc60abd98a5afceb78a6950e3

SHA256
70a50239ec661357e90fc5faecdacb7d2673d2fe2aeb30e48d287f044f19ea7c

SHA512
db58d8107dc95f47e7b2cc417b6c2d91e4f5894ddffd037b65919e136bec0ba4bee79a18be091e0ea03a96bbf68f91a1d135f5019b47beaf1b172d48ff98508d

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/1644-54-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1644-55-0x0000000000230000-0x0000000000264000-memory.dmp

Filesize
208KB

Download
memory/1644-56-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1644-63-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1644-64-0x0000000000230000-0x0000000000264000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing