9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f

General

Target

9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
Size

198KB
MD5

6c20a60983f8584c65566ebee3e86ad4
SHA1

cdaccfd98c85548a53d4d04de2ef2e0024a97c52
SHA256

9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f
SHA512

29bfe8ccdbc4b2f66c3ee48e66c848ccda518a57f2dc57729e19ef646825031ece01f10883a0c036cb4f829079896245a4ded2963385763e97f1c10ddadf31fa
SSDEEP

3072:EDUOX1Mmh3gC3504c66i7c3Dwsvi6h58/eiYo/OlKvx0jpfqIlOv2DDRrs+eq:Y9X1R53q4zX7c3Dwsa6ef38fqmzt

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1284	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-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-4063495947-34355257-727531523-1000\\$d4e37f8e5af09b64e86d0830097e992e\\n."	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe

Deletes itself 1 IoCs

pid	Process
804	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_32\Desktop.ini	services.exe
File created	\systemroot\assembly\GAC_64\Desktop.ini	services.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1380 set thread context of 804	1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe	27

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\clsid	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-4063495947-34355257-727531523-1000\\$d4e37f8e5af09b64e86d0830097e992e\\n."	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
464	services.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1284	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
Token: SeDebugPrivilege	1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
Token: SeDebugPrivilege	1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.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
1284	Explorer.EXE
1284	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1284	Explorer.EXE
1284	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 1284	1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe	12
PID 1380 wrote to memory of 1284	1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe	12
PID 1380 wrote to memory of 464	1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe	2
PID 1380 wrote to memory of 804	1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe	27
PID 1380 wrote to memory of 804	1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe	27
PID 1380 wrote to memory of 804	1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe	27
PID 1380 wrote to memory of 804	1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe	27
PID 1380 wrote to memory of 804	1380	9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.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 behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1284
- C:\Users\Admin\AppData\Local\Temp\9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.exe
  "C:\Users\Admin\AppData\Local\Temp\9f7844be03791719ff671023585761943156d660578fb668fd9435172917842f.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:1380
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:804

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\$d4e37f8e5af09b64e86d0830097e992e\@

Filesize
2KB

MD5
cfb0990c9e934eec567031ece298c747

SHA1
b9d693120239551cf0107dd48d04f162d2fd4f0f

SHA256
644c2e1efeb903c58dd03437edff78e543a62febc4bd5768ca48c86fcda64fd1

SHA512
421a67362b4daffd942b2207375616e27c2b1c2d420047726480d497fca2a8d39cbec1b1931dd55bf86cbdd6dee284bea0a40a704bdb483d9c382a4ebc5401b8

Download Submit
C:\$Recycle.Bin\S-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
C:\$Recycle.Bin\S-1-5-21-4063495947-34355257-727531523-1000\$d4e37f8e5af09b64e86d0830097e992e\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-21-4063495947-34355257-727531523-1000\$d4e37f8e5af09b64e86d0830097e992e\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
memory/804-61-0x0000000000000000-mapping.dmp

Download
memory/1380-59-0x0000000000230000-0x0000000000266000-memory.dmp

Filesize
216KB

Download
memory/1380-58-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/1380-62-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

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