d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e

Analysis

max time kernel
149s
max time network
141s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02/05/2024, 04:05

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General

Target

d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e.exe
Size

72KB
MD5

b275d77dfd654995bf6ccd19ac016ab4
SHA1

bb18b76c3ee0c1467eb8acf1595bf6fc70989f9d
SHA256

d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e
SHA512

233c8cbf62f0b3e7f76c5ce7b34a2118daf026242dafa15995c3c6d890892f5c95b6bc38f79591bedbdf72a1b9fd3c96aeb0f854c2395110c8039b6f33852a40
SSDEEP

768:x/n1OLN/xCc0dctPdom0zoEwxq0IEkBVayhtptDk5oSdPUeo0P/uUL6rUlIdUdRm:xdOnr5IE6P1tAXDPf6YlIdU3ddPN8

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\AntiVirusDisableNotify = "25600"	udnoneat-exur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	udnoneat-exur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	udnoneat-exur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	udnoneat-exur.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\{495A4B43-4b4f-5450-495A-4B434B4F5450}	udnoneat-exur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	udnoneat-exur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\IsInstalled = "1"	udnoneat-exur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\StubPath = "C:\\Windows\\system32\\ublupeat.exe"	udnoneat-exur.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	udnoneat-exur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	udnoneat-exur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\eatmofok.exe"	udnoneat-exur.exe

Executes dropped EXE 2 IoCs

pid	Process
2240	udnoneat-exur.exe
2536	udnoneat-exur.exe

Loads dropped DLL 3 IoCs

pid	Process
1752	d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e.exe
1752	d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e.exe
2240	udnoneat-exur.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\AntiVirusOverride = "25600"	udnoneat-exur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	udnoneat-exur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	udnoneat-exur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	udnoneat-exur.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}\DLLName = "C:\\Windows\\system32\\olrotuk.dll"	udnoneat-exur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	udnoneat-exur.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	udnoneat-exur.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	udnoneat-exur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	udnoneat-exur.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\udnoneat-exur.exe	d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e.exe
File opened for modification	C:\Windows\SysWOW64\eatmofok.exe	udnoneat-exur.exe
File created	C:\Windows\SysWOW64\olrotuk.dll	udnoneat-exur.exe
File opened for modification	C:\Windows\SysWOW64\udnoneat-exur.exe	udnoneat-exur.exe
File opened for modification	C:\Windows\SysWOW64\udnoneat-exur.exe	d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e.exe
File opened for modification	C:\Windows\SysWOW64\ublupeat.exe	udnoneat-exur.exe
File created	C:\Windows\SysWOW64\ublupeat.exe	udnoneat-exur.exe
File opened for modification	C:\Windows\SysWOW64\olrotuk.dll	udnoneat-exur.exe
File created	C:\Windows\SysWOW64\eatmofok.exe	udnoneat-exur.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2536	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe
2240	udnoneat-exur.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	udnoneat-exur.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2240	1752	d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e.exe	28
PID 1752 wrote to memory of 2240	1752	d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e.exe	28
PID 1752 wrote to memory of 2240	1752	d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e.exe	28
PID 1752 wrote to memory of 2240	1752	d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e.exe	28
PID 2240 wrote to memory of 436	2240	udnoneat-exur.exe	5
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 2536	2240	udnoneat-exur.exe	29
PID 2240 wrote to memory of 2536	2240	udnoneat-exur.exe	29
PID 2240 wrote to memory of 2536	2240	udnoneat-exur.exe	29
PID 2240 wrote to memory of 2536	2240	udnoneat-exur.exe	29
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21
PID 2240 wrote to memory of 1208	2240	udnoneat-exur.exe	21

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e.exe
  "C:\Users\Admin\AppData\Local\Temp\d3071f857c750001e71c28c231437be23d1730f27d6f83af821fac97241c1b3e.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Windows\SysWOW64\udnoneat-exur.exe
    "C:\Windows\SysWOW64\udnoneat-exur.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:2240
  - - C:\Windows\SysWOW64\udnoneat-exur.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2536

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\eatmofok.exe

Filesize
73KB

MD5
bcb1b9d201d0bc784e0c283ec9679c65

SHA1
7c657de0bfe086c0c1eb798faf06180f2b5e77da

SHA256
6b4cd8dae58ffab96f57d34aa80d18a8ae60718597672488e5c13dc1027eccc1

SHA512
57667fa70981c14cd00104c6b4868ef4327f83c543bd7db34c3ca056654b9361c2e2ee0ecfb2937783c73de3e849543c8ff9504d2c2ea1d60c4d67293174462a

Download Submit
C:\Windows\SysWOW64\olrotuk.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

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

Filesize
72KB

MD5
ce9026715089fe5a80f48584649d5172

SHA1
8eab470875508dd6055c7021767a2781aae20e6b

SHA256
403409d014118350ba382a7a2a657f7ac8f51bc5cb14d75e693db79ea0151b6e

SHA512
152cefde76d0d4718576e5c4a17c5a2356687d45280b881c4a5b9851363ad0540e9bd499bb652c21cdce63c6e0b4e74469b9278b6c8abc675f30511dba2b6699

Download Submit
\Windows\SysWOW64\udnoneat-exur.exe

Filesize
70KB

MD5
617fc42ed383f567435017b84f0f5e56

SHA1
2628baddec04c647cf16e966ec7c466e70853c83

SHA256
9da0c3a5f16bd8dd7a32067a407a325fd72013f4a0b781d19ac2c2ac605ab816

SHA512
36b1fa249bf19a076ff05128638e9e2d5dc46f679f91a0b457a1e44389b1a70ab493c2537f02d24dc9cf8f6f810383382dee39fe76ac6e22c8725e1bbe1d8985

Download Submit
memory/1752-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2240-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2536-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download