b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504

General

Target

b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
Size

197KB
MD5

544405553672f0c62488a34437e0010e
SHA1

aa74331a6c7ea48106efeaab131717de78270a13
SHA256

b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504
SHA512

6111f95f9a779dd503a216db21343d4ae269b3b18200469711d244440870e5297fce71cab42074a35bd0b645fe4e75693d819473178046dedbb89b839a35a698
SSDEEP

6144:xnTqhnKZ+gyxOErDR06XVRx2M5bnty0CP5:xGhnKch11nFRnw0q5

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1372	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-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.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."	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$bb8ab67ad8382496fd4eead6952e3208\\n."	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe

Deletes itself 1 IoCs

pid	Process
1068	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 980 set thread context of 1068	980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe	28

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.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."	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$bb8ab67ad8382496fd4eead6952e3208\\n."	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\clsid	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
464	services.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
Token: SeDebugPrivilege	980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
Token: SeDebugPrivilege	980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.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
1372	Explorer.EXE
1372	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1372	Explorer.EXE
1372	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 1372	980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe	11
PID 980 wrote to memory of 1372	980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe	11
PID 980 wrote to memory of 464	980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe	2
PID 980 wrote to memory of 1068	980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe	28
PID 980 wrote to memory of 1068	980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe	28
PID 980 wrote to memory of 1068	980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe	28
PID 980 wrote to memory of 1068	980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe	28
PID 980 wrote to memory of 1068	980	b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.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:1372
- C:\Users\Admin\AppData\Local\Temp\b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
  "C:\Users\Admin\AppData\Local\Temp\b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.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:980
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:1068

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
e59f57524cd5692c8294ca801589ec5e

SHA1
8c855465ce9b1c8c5373593c7d5313d1a962e0d8

SHA256
5f1d3d609983bc7243393a6132a91a357e8b4f21c7458f2be9a82f4bd40e90c3

SHA512
8f7a7cffd27fde7e3a3145b93bd8078c9289b3383d7eff8cc74575c1518bf1dad0c6279c8d192f0eae158c013eaafdb2abe9dbd32f4ced138d74bc42e94c8974

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/980-54-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/980-55-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/980-56-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/980-63-0x00000000005D0000-0x0000000000603000-memory.dmp

Filesize
204KB

Download
memory/980-62-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/980-65-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1068-64-0x0000000000000000-mapping.dmp

Download

Analysis

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