1eb9d5d7b5bbef52c15d846559a9fc5a8953f1e0db4f80bd8b73b5374ace3fa8

Analysis

max time kernel
143s
max time network
124s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 18:46

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General

Target

NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
Size

896KB
MD5

f8df8edeb8b4cd0fd386f4e44dde6bdd
SHA1

c2b72c5284cf79cdcd21ccb06278020d0a44006b
SHA256

1eb9d5d7b5bbef52c15d846559a9fc5a8953f1e0db4f80bd8b73b5374ace3fa8
SHA512

0a48664407f749339fcaa48cda14e91b9a1d1b39aad416a1c71ba7479ed468cbf5a90114f197a59303e12c0d01c22d7cc6ad1fee1953e93e42bc78af0058dea9
SSDEEP

24576:kkTRTGryZ5d9TRTGryaITRTGryZ5d9TRTGryeLTRTGryZ5d9TRTGryaITRTGryZB:j9bD99wI9bD99e9bD99wI9bD99

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 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\Windows\CurrentVersion\ShellServiceObjectDelayLoad	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	Enhacojl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	Enhacojl.exe

Executes dropped EXE 2 IoCs

pid	Process
2696	Enhacojl.exe
1140	Fkckeh32.exe

Loads dropped DLL 8 IoCs

pid	Process
1712	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
1712	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
2696	Enhacojl.exe
2696	Enhacojl.exe
2128	WerFault.exe
2128	WerFault.exe
2128	WerFault.exe
2128	WerFault.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Enhacojl.exe	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
File opened for modification	C:\Windows\SysWOW64\Enhacojl.exe	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
File created	C:\Windows\SysWOW64\Ampehe32.dll	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
File created	C:\Windows\SysWOW64\Fkckeh32.exe	Enhacojl.exe
File opened for modification	C:\Windows\SysWOW64\Fkckeh32.exe	Enhacojl.exe
File created	C:\Windows\SysWOW64\Clkmne32.dll	Enhacojl.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2128	1140	WerFault.exe	29

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Ampehe32.dll"	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	Enhacojl.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Clkmne32.dll"	Enhacojl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	Enhacojl.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2696	1712	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe	28
PID 1712 wrote to memory of 2696	1712	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe	28
PID 1712 wrote to memory of 2696	1712	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe	28
PID 1712 wrote to memory of 2696	1712	NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe	28
PID 2696 wrote to memory of 1140	2696	Enhacojl.exe	29
PID 2696 wrote to memory of 1140	2696	Enhacojl.exe	29
PID 2696 wrote to memory of 1140	2696	Enhacojl.exe	29
PID 2696 wrote to memory of 1140	2696	Enhacojl.exe	29
PID 1140 wrote to memory of 2128	1140	Fkckeh32.exe	30
PID 1140 wrote to memory of 2128	1140	Fkckeh32.exe	30
PID 1140 wrote to memory of 2128	1140	Fkckeh32.exe	30
PID 1140 wrote to memory of 2128	1140	Fkckeh32.exe	30

C:\Users\Admin\AppData\Local\Temp\NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f8df8edeb8b4cd0fd386f4e44dde6bdd_JC.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\Enhacojl.exe
  C:\Windows\system32\Enhacojl.exe
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\SysWOW64\Fkckeh32.exe
    C:\Windows\system32\Fkckeh32.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1140
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1140 -s 140
      4⤵
      Loads dropped DLL
      Program crash
      PID:2128

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Enhacojl.exe

Filesize
896KB

MD5
4ac8bc455aceffaaaa98e4ac895285b3

SHA1
7a6de1ccb834024b715c2527663d3771ddba4541

SHA256
3c12dcd1a837b405f8b0bdf366a27566bb25166e8e3baa9f6c44a4622b99cb35

SHA512
f565ae6f490bd66724e997d7021f543a79f82023c9ad255cd4c1139703ccd601528f68207a8e45e968d611f2ed535e689cf5dd846bb4314ba566d86869558d95

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

Filesize
896KB

MD5
4ac8bc455aceffaaaa98e4ac895285b3

SHA1
7a6de1ccb834024b715c2527663d3771ddba4541

SHA256
3c12dcd1a837b405f8b0bdf366a27566bb25166e8e3baa9f6c44a4622b99cb35

SHA512
f565ae6f490bd66724e997d7021f543a79f82023c9ad255cd4c1139703ccd601528f68207a8e45e968d611f2ed535e689cf5dd846bb4314ba566d86869558d95

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

Filesize
896KB

MD5
4ac8bc455aceffaaaa98e4ac895285b3

SHA1
7a6de1ccb834024b715c2527663d3771ddba4541

SHA256
3c12dcd1a837b405f8b0bdf366a27566bb25166e8e3baa9f6c44a4622b99cb35

SHA512
f565ae6f490bd66724e997d7021f543a79f82023c9ad255cd4c1139703ccd601528f68207a8e45e968d611f2ed535e689cf5dd846bb4314ba566d86869558d95

Download Submit
C:\Windows\SysWOW64\Fkckeh32.exe

Filesize
896KB

MD5
db9a3e10f1605db7b83a8005b5016b78

SHA1
99a92ba89638bf515725159c7efc704805e492c8

SHA256
ba7c2e649c580c9d2990c4036eccf462f3832342279c513cf976e220f1dac99f

SHA512
06578a1756b5bc3085a810041d6d57497dc70ab540e89b1ae9bdb1f887ab50f7e28f09518a14435b671b5ecb134f145b366d000f0f4e6e8dd12f645833002ddd

Download Submit
C:\Windows\SysWOW64\Fkckeh32.exe

Filesize
896KB

MD5
db9a3e10f1605db7b83a8005b5016b78

SHA1
99a92ba89638bf515725159c7efc704805e492c8

SHA256
ba7c2e649c580c9d2990c4036eccf462f3832342279c513cf976e220f1dac99f

SHA512
06578a1756b5bc3085a810041d6d57497dc70ab540e89b1ae9bdb1f887ab50f7e28f09518a14435b671b5ecb134f145b366d000f0f4e6e8dd12f645833002ddd

Download Submit
\Windows\SysWOW64\Enhacojl.exe

Filesize
896KB

MD5
4ac8bc455aceffaaaa98e4ac895285b3

SHA1
7a6de1ccb834024b715c2527663d3771ddba4541

SHA256
3c12dcd1a837b405f8b0bdf366a27566bb25166e8e3baa9f6c44a4622b99cb35

SHA512
f565ae6f490bd66724e997d7021f543a79f82023c9ad255cd4c1139703ccd601528f68207a8e45e968d611f2ed535e689cf5dd846bb4314ba566d86869558d95

Download Submit
\Windows\SysWOW64\Enhacojl.exe

Filesize
896KB

MD5
4ac8bc455aceffaaaa98e4ac895285b3

SHA1
7a6de1ccb834024b715c2527663d3771ddba4541

SHA256
3c12dcd1a837b405f8b0bdf366a27566bb25166e8e3baa9f6c44a4622b99cb35

SHA512
f565ae6f490bd66724e997d7021f543a79f82023c9ad255cd4c1139703ccd601528f68207a8e45e968d611f2ed535e689cf5dd846bb4314ba566d86869558d95

Download Submit
\Windows\SysWOW64\Fkckeh32.exe

Filesize
896KB

MD5
db9a3e10f1605db7b83a8005b5016b78

SHA1
99a92ba89638bf515725159c7efc704805e492c8

SHA256
ba7c2e649c580c9d2990c4036eccf462f3832342279c513cf976e220f1dac99f

SHA512
06578a1756b5bc3085a810041d6d57497dc70ab540e89b1ae9bdb1f887ab50f7e28f09518a14435b671b5ecb134f145b366d000f0f4e6e8dd12f645833002ddd

Download Submit
\Windows\SysWOW64\Fkckeh32.exe

Filesize
896KB

MD5
db9a3e10f1605db7b83a8005b5016b78

SHA1
99a92ba89638bf515725159c7efc704805e492c8

SHA256
ba7c2e649c580c9d2990c4036eccf462f3832342279c513cf976e220f1dac99f

SHA512
06578a1756b5bc3085a810041d6d57497dc70ab540e89b1ae9bdb1f887ab50f7e28f09518a14435b671b5ecb134f145b366d000f0f4e6e8dd12f645833002ddd

Download Submit
\Windows\SysWOW64\Fkckeh32.exe

Filesize
896KB

MD5
db9a3e10f1605db7b83a8005b5016b78

SHA1
99a92ba89638bf515725159c7efc704805e492c8

SHA256
ba7c2e649c580c9d2990c4036eccf462f3832342279c513cf976e220f1dac99f

SHA512
06578a1756b5bc3085a810041d6d57497dc70ab540e89b1ae9bdb1f887ab50f7e28f09518a14435b671b5ecb134f145b366d000f0f4e6e8dd12f645833002ddd

Download Submit
\Windows\SysWOW64\Fkckeh32.exe

Filesize
896KB

MD5
db9a3e10f1605db7b83a8005b5016b78

SHA1
99a92ba89638bf515725159c7efc704805e492c8

SHA256
ba7c2e649c580c9d2990c4036eccf462f3832342279c513cf976e220f1dac99f

SHA512
06578a1756b5bc3085a810041d6d57497dc70ab540e89b1ae9bdb1f887ab50f7e28f09518a14435b671b5ecb134f145b366d000f0f4e6e8dd12f645833002ddd

Download Submit
\Windows\SysWOW64\Fkckeh32.exe

Filesize
896KB

MD5
db9a3e10f1605db7b83a8005b5016b78

SHA1
99a92ba89638bf515725159c7efc704805e492c8

SHA256
ba7c2e649c580c9d2990c4036eccf462f3832342279c513cf976e220f1dac99f

SHA512
06578a1756b5bc3085a810041d6d57497dc70ab540e89b1ae9bdb1f887ab50f7e28f09518a14435b671b5ecb134f145b366d000f0f4e6e8dd12f645833002ddd

Download Submit
\Windows\SysWOW64\Fkckeh32.exe

Filesize
896KB

MD5
db9a3e10f1605db7b83a8005b5016b78

SHA1
99a92ba89638bf515725159c7efc704805e492c8

SHA256
ba7c2e649c580c9d2990c4036eccf462f3832342279c513cf976e220f1dac99f

SHA512
06578a1756b5bc3085a810041d6d57497dc70ab540e89b1ae9bdb1f887ab50f7e28f09518a14435b671b5ecb134f145b366d000f0f4e6e8dd12f645833002ddd

Download Submit
memory/1140-26-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1712-0-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1712-6-0x00000000001C0000-0x00000000001F3000-memory.dmp

Filesize
204KB

Download
memory/1712-31-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2696-24-0x0000000000220000-0x0000000000253000-memory.dmp

Filesize
204KB

Download
memory/2696-32-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads