26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338

General

Target

26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
Size

164KB
MD5

5ac82e4b3118192706d18404f098a99a
SHA1

8123f470119f7a1ee9308a386daa7943b969196c
SHA256

26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338
SHA512

26645a5662a3381cebd0e09516c6904800e5eb39fc102fce0ccf11d0641b85adff9b75e18dab7cf608b14e0fd081876713eb1ff36ccf530a0809061c59de86d5
SSDEEP

3072:QA5oIyXWxPCF0KBviE7b/zk9B/h/J7uxWL15ozoQsMvUhfFDR2irglTe15bFOU1E:vwWxKF05Enzk9BdJCwdF9s615b/s8Vx

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1236	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	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.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."	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe

Deletes itself 1 IoCs

pid	Process
1692	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 1672 set thread context of 1692	1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe	27

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.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."	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\clsid	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
464	services.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1236	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
Token: SeDebugPrivilege	1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
Token: SeDebugPrivilege	1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.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
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1236	1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe	10
PID 1672 wrote to memory of 1236	1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe	10
PID 1672 wrote to memory of 464	1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe	2
PID 1672 wrote to memory of 1692	1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe	27
PID 1672 wrote to memory of 1692	1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe	27
PID 1672 wrote to memory of 1692	1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe	27
PID 1672 wrote to memory of 1692	1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe	27
PID 1672 wrote to memory of 1692	1672	26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.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:1236
- C:\Users\Admin\AppData\Local\Temp\26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.exe
  "C:\Users\Admin\AppData\Local\Temp\26c16cebb734b373c529e8a7fcc09a8f919519642e91571416663750d1a44338.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:1672
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:1692

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\$d4e37f8e5af09b64e86d0830097e992e\@

Filesize
2KB

MD5
aa281d5db42137905928350738ab352b

SHA1
3049bfe92adc57f7610b6d6910c2be278aa7c25d

SHA256
fad1e78a7523763634869b0750d730b779a16ad63c9dc4403a5c4f63914da942

SHA512
8d1fda5a4ddd0214d1c351aa72840e940261b4ce826e6e5cf0d0933c6cc2260e2a22216c2797153b1f91cb3e869386ac372b4e2566ee7c250e845b038433adde

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/1672-54-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1672-57-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1672-58-0x0000000000430000-0x000000000044F000-memory.dmp

Filesize
124KB

Download
memory/1672-63-0x0000000000430000-0x000000000044F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing