1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107

General

Target

1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
Size

169KB
MD5

62933d67ad01379beb4c7391edad0866
SHA1

ac9830bb183c54630e476dbe79715e0289e593ae
SHA256

1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107
SHA512

57e51b619c57879d03db5eff515cee7949104febd11c7437201de34214eadaaf0c24a0775b8768a150fd5053b68e2af718c8a0ac2d689d7db9224ce81bcdd053
SSDEEP

3072:wSCiUFcZZ57LvTnpzow0zuLfPTT0hMkj2cEyxCLGD:VLZZ57b9zow0zYL42kj2cEyxv

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1240	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	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.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."	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe

Deletes itself 1 IoCs

pid	Process
584	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 1376 set thread context of 584	1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe	26

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\clsid	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.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."	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
464	services.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1240	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
Token: SeDebugPrivilege	1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
Token: SeDebugPrivilege	1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.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
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1240	1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe	16
PID 1376 wrote to memory of 1240	1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe	16
PID 1376 wrote to memory of 464	1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe	2
PID 1376 wrote to memory of 584	1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe	26
PID 1376 wrote to memory of 584	1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe	26
PID 1376 wrote to memory of 584	1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe	26
PID 1376 wrote to memory of 584	1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe	26
PID 1376 wrote to memory of 584	1376	1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe	26

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:1240
- C:\Users\Admin\AppData\Local\Temp\1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
  "C:\Users\Admin\AppData\Local\Temp\1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.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:1376
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:584

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
8f5f0f4a673373ec4b81ab2abded1e0c

SHA1
6cf8e90351faab554522dd9399eff277506e17f8

SHA256
c91029cc0d8c269c1370838855e933c77879d8aaaa77fd163fce7f19226fe2c4

SHA512
6d35adc041b98fd4b70e9cc67b12fbe561eb8845ec842d73133683c7e377a073d7ac73f3048b12cad9d651a317b185ebf021b3b2bfaf7b0d272925ddcb4b1bfd

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/1376-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1376-60-0x0000000000440000-0x000000000045F000-memory.dmp

Filesize
124KB

Download
memory/1376-62-0x0000000000440000-0x000000000045F000-memory.dmp

Filesize
124KB

Download

Analysis

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