d2b655df551fba7b9fc7fa457704f24877347df2a46c7cd2c2ac98e36abc5d9e

General

Target

0fea7718b91e02dbbb382254ddb29521.exe
Size

82KB
MD5

0fea7718b91e02dbbb382254ddb29521
SHA1

3581bee7666003dd5d9d1ba26f1ced114c100842
SHA256

d2b655df551fba7b9fc7fa457704f24877347df2a46c7cd2c2ac98e36abc5d9e
SHA512

92cd3db88e8a2cce7266753a243fd5eeae9d4fd0fa38a32f83c0977902d3465d9ea2c133c674d91e366775450ff1a852dbb1e1b18a492dd363c01e81a0053bb1
SSDEEP

1536:lG3DfTlzW6y41LlVwf+41iks8M6Qw/+XdOKKWc+2O:lG3DxHyILnX4fMaWXdOKpc+2O

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\E2 Lib = "{17C7CC24-549C-32E4-9603-E859227A8829}"	regsvr32.exe

Sets file execution options in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	0fea7718b91e02dbbb382254ddb29521.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\e2v25527.exe"	0fea7718b91e02dbbb382254ddb29521.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation	0fea7718b91e02dbbb382254ddb29521.exe

Loads dropped DLL 1 IoCs

pid	Process
2016	regsvr32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\e2v25527.exe	0fea7718b91e02dbbb382254ddb29521.exe
File created	C:\Windows\SysWOW64\e2v25527.dll	0fea7718b91e02dbbb382254ddb29521.exe
File created	C:\Windows\SysWOW64\e2v25527.exe	0fea7718b91e02dbbb382254ddb29521.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 29 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{325905C8-F5EF-3277-BA5C-1706523A3C7A}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\e2v25527.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17C7CC24-549C-32E4-9603-E859227A8829}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{325905C8-F5EF-3277-BA5C-1706523A3C7A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}\TypeLib\ = "{325905C8-F5EF-3277-BA5C-1706523A3C7A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{325905C8-F5EF-3277-BA5C-1706523A3C7A}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17C7CC24-549C-32E4-9603-E859227A8829}\ = "E2 Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{325905C8-F5EF-3277-BA5C-1706523A3C7A}\1.0\ = "LIB"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17C7CC24-549C-32E4-9603-E859227A8829}\InprocServer32\ = "C:\\Windows\\SysWow64\\e2v25527.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{325905C8-F5EF-3277-BA5C-1706523A3C7A}\1.0\HELPDIR\ = "C:\\Windows\\SysWow64\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{325905C8-F5EF-3277-BA5C-1706523A3C7A}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}\ = "ID"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{325905C8-F5EF-3277-BA5C-1706523A3C7A}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{325905C8-F5EF-3277-BA5C-1706523A3C7A}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17C7CC24-549C-32E4-9603-E859227A8829}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17C7CC24-549C-32E4-9603-E859227A8829}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}\ = "ID"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{460E93CF-FE0B-31C4-992A-CBC0D7AEE3B8}\TypeLib\ = "{325905C8-F5EF-3277-BA5C-1706523A3C7A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{325905C8-F5EF-3277-BA5C-1706523A3C7A}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{325905C8-F5EF-3277-BA5C-1706523A3C7A}\1.0\HELPDIR	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3236 wrote to memory of 2016	3236	0fea7718b91e02dbbb382254ddb29521.exe	91
PID 3236 wrote to memory of 2016	3236	0fea7718b91e02dbbb382254ddb29521.exe	91
PID 3236 wrote to memory of 2016	3236	0fea7718b91e02dbbb382254ddb29521.exe	91

C:\Users\Admin\AppData\Local\Temp\0fea7718b91e02dbbb382254ddb29521.exe
"C:\Users\Admin\AppData\Local\Temp\0fea7718b91e02dbbb382254ddb29521.exe"
1⤵
- Sets file execution options in registry
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3236
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\system32\e2v25527.dll
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Modifies registry class
  PID:2016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\e2v25527.dll

Filesize
76KB

MD5
9d1b96541bb41ecb8cbb8cbba2cb1e02

SHA1
933ab68c95571fff0d1a96fd990503dacef9df7a

SHA256
7630d4ab785dc93ae5ad746e7d103f75ca4d587fff6b400b711e7406ad8de3c7

SHA512
d590446166790c32e4f7fe4ec716abe6c65a0bb965cf95602a62c68a6650d2f318666812eef49ee8553e238265b8b9dda01433fb8d53660077fd9d884ecddc4e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads