1feedeb9a1bc3f3c5e14fbfba8cd22bfb75483396fbb62cb65974382eb3e5220

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 07:51

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General

Target

97e856316810043c6edfafb3d5675880_NEAS.exe
Size

70KB
MD5

97e856316810043c6edfafb3d5675880
SHA1

4875113c49a691d887bf1c4f7fbbc887f764a7f7
SHA256

1feedeb9a1bc3f3c5e14fbfba8cd22bfb75483396fbb62cb65974382eb3e5220
SHA512

6e661cf4444a34959f589697f4685a5bef462ac5ce91d103b851b39cc98eddebc76586b8c2f9a5d8f4514737c58014ad439cb467807891699cb13cc37e5a8426
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slV:Olg35GTslA5t3/w8o

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	epfoavoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	epfoavoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	epfoavoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	epfoavoor.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}	epfoavoor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	epfoavoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}\IsInstalled = "1"	epfoavoor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}\StubPath = "C:\\Windows\\system32\\ahreream.exe"	epfoavoor.exe

Sets file execution options in registry 2 TTPs 3 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	epfoavoor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	epfoavoor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\htemoox.exe"	epfoavoor.exe

Executes dropped EXE 2 IoCs

pid	Process
1748	epfoavoor.exe
2712	epfoavoor.exe

Loads dropped DLL 3 IoCs

pid	Process
2208	97e856316810043c6edfafb3d5675880_NEAS.exe
2208	97e856316810043c6edfafb3d5675880_NEAS.exe
1748	epfoavoor.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	epfoavoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	epfoavoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	epfoavoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	epfoavoor.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	epfoavoor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\oufronug-afoot.dll"	epfoavoor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	epfoavoor.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	epfoavoor.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	epfoavoor.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\htemoox.exe	epfoavoor.exe
File opened for modification	C:\Windows\SysWOW64\oufronug-afoot.dll	epfoavoor.exe
File opened for modification	C:\Windows\SysWOW64\epfoavoor.exe	97e856316810043c6edfafb3d5675880_NEAS.exe
File created	C:\Windows\SysWOW64\epfoavoor.exe	97e856316810043c6edfafb3d5675880_NEAS.exe
File opened for modification	C:\Windows\SysWOW64\htemoox.exe	epfoavoor.exe
File opened for modification	C:\Windows\SysWOW64\epfoavoor.exe	epfoavoor.exe
File opened for modification	C:\Windows\SysWOW64\ahreream.exe	epfoavoor.exe
File created	C:\Windows\SysWOW64\ahreream.exe	epfoavoor.exe
File created	C:\Windows\SysWOW64\oufronug-afoot.dll	epfoavoor.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
2712	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe
1748	epfoavoor.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	97e856316810043c6edfafb3d5675880_NEAS.exe
Token: SeDebugPrivilege	1748	epfoavoor.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 1748	2208	97e856316810043c6edfafb3d5675880_NEAS.exe	28
PID 2208 wrote to memory of 1748	2208	97e856316810043c6edfafb3d5675880_NEAS.exe	28
PID 2208 wrote to memory of 1748	2208	97e856316810043c6edfafb3d5675880_NEAS.exe	28
PID 2208 wrote to memory of 1748	2208	97e856316810043c6edfafb3d5675880_NEAS.exe	28
PID 1748 wrote to memory of 436	1748	epfoavoor.exe	5
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 2712	1748	epfoavoor.exe	29
PID 1748 wrote to memory of 2712	1748	epfoavoor.exe	29
PID 1748 wrote to memory of 2712	1748	epfoavoor.exe	29
PID 1748 wrote to memory of 2712	1748	epfoavoor.exe	29
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21
PID 1748 wrote to memory of 1196	1748	epfoavoor.exe	21

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:436

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\97e856316810043c6edfafb3d5675880_NEAS.exe
  "C:\Users\Admin\AppData\Local\Temp\97e856316810043c6edfafb3d5675880_NEAS.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\epfoavoor.exe
    "C:\Windows\system32\epfoavoor.exe"
    3⤵
    - Windows security bypass
    - Modifies Installed Components in the registry
    - Sets file execution options in registry
    - Executes dropped EXE
    - Loads dropped DLL
    - Windows security modification
    - Modifies WinLogon
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1748
  - - C:\Windows\SysWOW64\epfoavoor.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\ahreream.exe

Filesize
73KB

MD5
b3d9b3891dce55d3008a516771c1d434

SHA1
62d4a5a479df2d8ace0149a5a46a29c2e21becbb

SHA256
fa491ff5c93a223f247bf6494e5fbf98f97924947cbcfa7b9c4c77bb955dbe28

SHA512
7737a23b5a0f2ec15e158f7b740374144ba4f611506619f4cd162434829a70d6d07a1e8e451a61e342951f88bb774e6b2a2c7d3c08561e3cf2ee450e4283acbe

Download Submit
C:\Windows\SysWOW64\htemoox.exe

Filesize
74KB

MD5
38be5fa9cbf6ebd25a3a002cc72c8d77

SHA1
ff210cafe3283ce85900236db347652ffa993099

SHA256
970bf0b4e3d7cc81e31ebce686b6825bc905daf8db3b87c6037850cf0dde434e

SHA512
57be68dad4d43c08334323b166a935dbea4ded9b442ea56bfb5c5b0c851c4fbc55c99d252eedb12fc8d1fbf4db72d929f9ebba29235b2580ff1df0bb24899b3d

Download Submit
C:\Windows\SysWOW64\oufronug-afoot.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
\Windows\SysWOW64\epfoavoor.exe

Filesize
70KB

MD5
97e856316810043c6edfafb3d5675880

SHA1
4875113c49a691d887bf1c4f7fbbc887f764a7f7

SHA256
1feedeb9a1bc3f3c5e14fbfba8cd22bfb75483396fbb62cb65974382eb3e5220

SHA512
6e661cf4444a34959f589697f4685a5bef462ac5ce91d103b851b39cc98eddebc76586b8c2f9a5d8f4514737c58014ad439cb467807891699cb13cc37e5a8426

Download Submit
memory/1748-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2208-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2712-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download