6262b83425e85d203b4708dc629987ffaa4dff8ab03042e1332b8910b5e75a85

Resubmissions

05/07/2023, 10:55

230705-m1lr8abf72 8

30/01/2022, 18:36

220130-w9ceksgdgp 8

Analysis

max time kernel
126s
max time network
158s
platform
windows10_x64
resource
win10-en-20211208
submitted
30/01/2022, 18:36

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General

Target

6262b83425e85d203b4708dc629987ffaa4dff8ab03042e1332b8910b5e75a85.dll
Size

130KB
MD5

59cb505d1636119f2881caa14bf42326
SHA1

b20e69127f2ca0ae4852c379dcd65348f01d1cc7
SHA256

6262b83425e85d203b4708dc629987ffaa4dff8ab03042e1332b8910b5e75a85
SHA512

90667a78df7946ac6b9c90175402d699b1d61bb0b6d30d565b0f7fcc326bd2fc50dcb2a8b304fdf44cb33818c82c779caa23814258c312af596947b576cd5fa3

Score

8^/10

persistence

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112
Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Loads dropped DLL 1 IoCs

pid	Process
424	regsvr32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\Msresiwr.ttf	regsvr32.exe
File opened for modification	\??\c:\windows\SysWOW64\Msresiwr.ttf	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe
2840	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	424	regsvr32.exe
Token: SeLoadDriverPrivilege	424	regsvr32.exe
Token: SeShutdownPrivilege	424	regsvr32.exe
Token: SeTcbPrivilege	424	regsvr32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2840	2800	regsvr32.exe	68
PID 2800 wrote to memory of 2840	2800	regsvr32.exe	68
PID 2800 wrote to memory of 2840	2800	regsvr32.exe	68
PID 2840 wrote to memory of 424	2840	regsvr32.exe	69
PID 2840 wrote to memory of 424	2840	regsvr32.exe	69
PID 2840 wrote to memory of 424	2840	regsvr32.exe	69

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6262b83425e85d203b4708dc629987ffaa4dff8ab03042e1332b8910b5e75a85.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\6262b83425e85d203b4708dc629987ffaa4dff8ab03042e1332b8910b5e75a85.dll
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s /u "c:\windows\system32\Msresiwr.ttf"
    3⤵
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:424

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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