392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de

Analysis

max time kernel
149s
max time network
124s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
16/05/2024, 10:51

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General

Target

392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe
Size

73KB
MD5

db35cead9d7c7be21bf0b21ff1577f70
SHA1

d57da9adebf3809201f19e8d50b2b7756a29e4b0
SHA256

392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de
SHA512

2d5724e36ded0266ad209b308554b1a7f4bff6765140e0f1129f8e8c2341ef16d67e00164ac537380d710d43a3cb0ec265638cb6163cff235eea58fb0b71ebee
SSDEEP

1536:xfEVrBeB9l909Lt7OpE4oUj1JYGE5pgkQRN2cm1xsE3g:iVA9lwtz4/WQRN2b1Pw

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"	evroohav-iseab.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	evroohav-iseab.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	evroohav-iseab.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	evroohav-iseab.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	evroohav-iseab.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}\IsInstalled = "1"	evroohav-iseab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}\StubPath = "C:\\Windows\\system32\\atsixov.exe"	evroohav-iseab.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}	evroohav-iseab.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	evroohav-iseab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	evroohav-iseab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\oupdobus.exe"	evroohav-iseab.exe

Executes dropped EXE 2 IoCs

pid	Process
2300	evroohav-iseab.exe
2688	evroohav-iseab.exe

Loads dropped DLL 3 IoCs

pid	Process
2196	392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe
2196	392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe
2300	evroohav-iseab.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"	evroohav-iseab.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	evroohav-iseab.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	evroohav-iseab.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	evroohav-iseab.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

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

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\axpabur-oudom.dll	evroohav-iseab.exe
File opened for modification	C:\Windows\SysWOW64\evroohav-iseab.exe	evroohav-iseab.exe
File opened for modification	C:\Windows\SysWOW64\evroohav-iseab.exe	392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe
File opened for modification	C:\Windows\SysWOW64\oupdobus.exe	evroohav-iseab.exe
File opened for modification	C:\Windows\SysWOW64\atsixov.exe	evroohav-iseab.exe
File created	C:\Windows\SysWOW64\atsixov.exe	evroohav-iseab.exe
File created	C:\Windows\SysWOW64\evroohav-iseab.exe	392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe
File created	C:\Windows\SysWOW64\oupdobus.exe	evroohav-iseab.exe
File opened for modification	C:\Windows\SysWOW64\axpabur-oudom.dll	evroohav-iseab.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2688	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe
2300	evroohav-iseab.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	evroohav-iseab.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2300	2196	392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe	28
PID 2196 wrote to memory of 2300	2196	392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe	28
PID 2196 wrote to memory of 2300	2196	392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe	28
PID 2196 wrote to memory of 2300	2196	392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe	28
PID 2300 wrote to memory of 432	2300	evroohav-iseab.exe	5
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 2688	2300	evroohav-iseab.exe	29
PID 2300 wrote to memory of 2688	2300	evroohav-iseab.exe	29
PID 2300 wrote to memory of 2688	2300	evroohav-iseab.exe	29
PID 2300 wrote to memory of 2688	2300	evroohav-iseab.exe	29
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21
PID 2300 wrote to memory of 1192	2300	evroohav-iseab.exe	21

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe
  "C:\Users\Admin\AppData\Local\Temp\392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\evroohav-iseab.exe
    "C:\Windows\SysWOW64\evroohav-iseab.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:2300
  - - C:\Windows\SysWOW64\evroohav-iseab.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2688

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\atsixov.exe

Filesize
73KB

MD5
be35fb04ff5f0300f2f2956d7d59fdc6

SHA1
eab98c1645fc698385459e84392092144c1bb187

SHA256
4992783a0195e9ef7f0d2d5989a5045206a757926416dbb5de15ce0a605b095e

SHA512
0abe8bf840cd24abffe06c01ebf4b5664ec17b6a9489417e207b61974bcd88ff63998388c024baf814735b06c1f2b2d72ec79c21a24dbd2e7a0a20cd9169c438

Download Submit
C:\Windows\SysWOW64\axpabur-oudom.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

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

Filesize
74KB

MD5
9beb3e5291e9bd8b1e470712caebfc04

SHA1
546b1dc92971e9b1ec0f8e1c6ef75e77cebe9a00

SHA256
eaab7b36735980853e63130577752867460e4c1cc79e4e1fabf8811be2e01ffe

SHA512
bf8d621cb95ceba7689283318e4350a1c2ee120754ab30a5ed7781f3ca184023abd79f49b9ada2571fb5290106873e3d29ffed04ad0d34547b92be19cf770914

Download Submit
\Windows\SysWOW64\evroohav-iseab.exe

Filesize
71KB

MD5
dc85d6897b9d7d3f6ffe677264fb7cf7

SHA1
75c13f2d47d8173f6c83d5f29fad37dd21fd8e2b

SHA256
da22d908926593b5275d7441e735d7223007edf8be058fd073b8a8536ad1e3c5

SHA512
1e334320445cf2d3180bd0fddc9819eb7f787eea5eeeabe592d5906dab06b88639fb143d25821a47f1db1af2ea331b129b4c9563cfcc0347b1bc8f249fcfd9d9

Download Submit
memory/2196-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2300-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2688-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download