a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f

General

Target

a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
Size

173KB
MD5

a831df017d8ad6aea976eef21caf2b4f
SHA1

b611550ba80df0c202b2ff1efd8d8fd3ecb29964
SHA256

a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f
SHA512

1996fe7123868d0157fc9cd99f4f325b3a728e60a7b5ee9186824ae72d8fe755d6461b21adc414320ee1610ae40c51194f8152d9e0da6e68edd8831e172fc24b
SSDEEP

3072:NuOm+LDsW55eB6fnRmjmcVyCtjgM+lWlpAkfnAv81lI7TNnAjbSReqDB+Qk:NL8W55OHyzlK2T6Kn6niDB

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1216	Explorer.EXE
464	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-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.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."	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$bb8ab67ad8382496fd4eead6952e3208\\n."	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe

Deletes itself 1 IoCs

pid	Process
600	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 580 set thread context of 600	580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe	28

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\\$bb8ab67ad8382496fd4eead6952e3208\\n."	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\clsid	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.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."	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
464	services.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
Token: SeDebugPrivilege	580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
Token: SeDebugPrivilege	580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
Token: SeDebugPrivilege	464	services.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 580 wrote to memory of 1216	580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe	14
PID 580 wrote to memory of 1216	580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe	14
PID 580 wrote to memory of 464	580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe	2
PID 580 wrote to memory of 600	580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe	28
PID 580 wrote to memory of 600	580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe	28
PID 580 wrote to memory of 600	580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe	28
PID 580 wrote to memory of 600	580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe	28
PID 580 wrote to memory of 600	580	a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.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:464

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1216
- C:\Users\Admin\AppData\Local\Temp\a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.exe
  "C:\Users\Admin\AppData\Local\Temp\a8022e00082a8d24d4ad7ec9afc21502d3d554116f0b488fd145219257539c9f.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:580
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:600

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\$bb8ab67ad8382496fd4eead6952e3208\@

Filesize
2KB

MD5
86d0b11d5cf93aaf248edcaf26cf6d17

SHA1
7d3fe8ebe8dd0054ec31452622d636a73a07f6f3

SHA256
e2d96fa45fd5cc6c02ca307685604d8cbfd07d2524a0fc700b98a5f6d04b26d7

SHA512
b138cd51fc2dea4a894c1b5b1d712fef0b9d7580dc0fc87adb3fb751cb663046a9e24a4639910e027700c2e3e3698e1720f51541565b83e0ca5fec0838e6b417

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/580-54-0x0000000000220000-0x0000000000269000-memory.dmp

Filesize
292KB

Download
memory/580-55-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/580-56-0x0000000000220000-0x0000000000269000-memory.dmp

Filesize
292KB

Download
memory/580-62-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/580-64-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download

Analysis

Sharing