d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2

General

Target

d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
Size

144KB
MD5

93316cb69457c25aa8f5e782a74ce091
SHA1

e983e3db15742fbe60bf6d5adfd4eaf885233dc0
SHA256

d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2
SHA512

774c9675d073cd7c710efb48cc781f95f62eb8abea1f1a6c62a78cdc23d36bc5a719ab403b91aaa5b5d785e6eb6dfaacefc8a219198585926565006367b86d40
SSDEEP

3072:uhXdv0LKdww4FrNFGzZphM/ztrfM0Xm8oP4oiR13rJbz4AEyIrN:ubiKdAFkbhMRLMIogos1bJbgy6

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1400	Explorer.EXE
460	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	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.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."	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe

Deletes itself 1 IoCs

pid	Process
468	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 1048 set thread context of 468	1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe	27

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.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."	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\clsid	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
460	services.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1400	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
Token: SeDebugPrivilege	1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
Token: SeDebugPrivilege	1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
Token: SeDebugPrivilege	460	services.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1400	Explorer.EXE
1400	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1400	Explorer.EXE
1400	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 1400	1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe	15
PID 1048 wrote to memory of 1400	1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe	15
PID 1048 wrote to memory of 460	1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe	2
PID 1048 wrote to memory of 468	1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe	27
PID 1048 wrote to memory of 468	1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe	27
PID 1048 wrote to memory of 468	1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe	27
PID 1048 wrote to memory of 468	1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe	27
PID 1048 wrote to memory of 468	1048	d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.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:460

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1400
- C:\Users\Admin\AppData\Local\Temp\d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
  "C:\Users\Admin\AppData\Local\Temp\d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.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:1048
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:468

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
abba60e4a655a837a788ef8d50846ff9

SHA1
5d122aecf54ecafc07613cc64547b0748b794d65

SHA256
849146644985a482bd74884ad9421b4c81fb8ff88dd6067c06047a0fea93a4af

SHA512
e74e8fa71eaf42ded536b2340c4b54524336f251467056d424ec2094799f8a9e7567ad6be03a46c05bc85d758326e5579ec0d0409eb859fc6bb62493ea804e17

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/1048-54-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1048-60-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1048-56-0x0000000000440000-0x000000000047E000-memory.dmp

Filesize
248KB

Download
memory/1048-55-0x0000000000440000-0x000000000047E000-memory.dmp

Filesize
248KB

Download
memory/1048-64-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1048-65-0x0000000000440000-0x000000000047E000-memory.dmp

Filesize
248KB

Download
memory/1400-66-0x000007FEF69C0000-0x000007FEF6B03000-memory.dmp

Filesize
1.3MB

Download
memory/1400-67-0x000007FF27B70000-0x000007FF27B7A000-memory.dmp

Filesize
40KB

Download

Analysis

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