a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2

Analysis

max time kernel
149s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2024, 02:08

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General

Target

a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe
Size

70KB
MD5

00ed71df2e60383f072cdd285110af84
SHA1

ca42db3648fe8eee38bc1d58b3fb5de2048632f1
SHA256

a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2
SHA512

921367b3e33be335233e2b7c941da040c99f5f2b9a47cf95bb6c301f02afc6a595c0a292fe666fe31a605f309b6de003113c041824067e87e3898285881746a3
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slc2:Olg35GTslA5t3/w84

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\FirewallDisableNotify = "25600"	ulvukag-igid.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ulvukag-igid.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	ulvukag-igid.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ulvukag-igid.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\{47594C51-574a-434e-4759-4C51574A434e}	ulvukag-igid.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ulvukag-igid.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}\IsInstalled = "1"	ulvukag-igid.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}\StubPath = "C:\\Windows\\system32\\almekax.exe"	ulvukag-igid.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	ulvukag-igid.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	ulvukag-igid.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\avmoteb.exe"	ulvukag-igid.exe

Executes dropped EXE 2 IoCs

pid	Process
4968	ulvukag-igid.exe
3268	ulvukag-igid.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"	ulvukag-igid.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ulvukag-igid.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ulvukag-igid.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ulvukag-igid.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}	ulvukag-igid.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	ulvukag-igid.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	ulvukag-igid.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\opseakir-oumed.dll"	ulvukag-igid.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	ulvukag-igid.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\almekax.exe	ulvukag-igid.exe
File created	C:\Windows\SysWOW64\almekax.exe	ulvukag-igid.exe
File created	C:\Windows\SysWOW64\opseakir-oumed.dll	ulvukag-igid.exe
File opened for modification	C:\Windows\SysWOW64\ulvukag-igid.exe	ulvukag-igid.exe
File opened for modification	C:\Windows\SysWOW64\ulvukag-igid.exe	a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe
File created	C:\Windows\SysWOW64\avmoteb.exe	ulvukag-igid.exe
File opened for modification	C:\Windows\SysWOW64\opseakir-oumed.dll	ulvukag-igid.exe
File created	C:\Windows\SysWOW64\ulvukag-igid.exe	a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe
File opened for modification	C:\Windows\SysWOW64\avmoteb.exe	ulvukag-igid.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
3268	ulvukag-igid.exe
3268	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe
4968	ulvukag-igid.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	396	a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe
Token: SeDebugPrivilege	4968	ulvukag-igid.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 4968	396	a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe	90
PID 396 wrote to memory of 4968	396	a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe	90
PID 396 wrote to memory of 4968	396	a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe	90
PID 4968 wrote to memory of 612	4968	ulvukag-igid.exe	5
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3268	4968	ulvukag-igid.exe	91
PID 4968 wrote to memory of 3268	4968	ulvukag-igid.exe	91
PID 4968 wrote to memory of 3268	4968	ulvukag-igid.exe	91
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56
PID 4968 wrote to memory of 3524	4968	ulvukag-igid.exe	56

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3524
- C:\Users\Admin\AppData\Local\Temp\a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe
  "C:\Users\Admin\AppData\Local\Temp\a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:396
- - C:\Windows\SysWOW64\ulvukag-igid.exe
    "C:\Windows\system32\ulvukag-igid.exe"
    3⤵
    - Windows security bypass
    - Modifies Installed Components in the registry
    - Sets file execution options in registry
    - Executes dropped EXE
    - Windows security modification
    - Modifies WinLogon
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4968
  - - C:\Windows\SysWOW64\ulvukag-igid.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:3268

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4456,i,15142778360084620907,1763097090506261076,262144 --variations-seed-version --mojo-platform-channel-handle=4428 /prefetch:8
1⤵
PID:1604

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\almekax.exe

Filesize
72KB

MD5
3e22b2a711ccc383702d168226e601b3

SHA1
917cc821b06865c24549e4bde7ef3a8c319d7a05

SHA256
2c164ffc368b833cf132ab0c02eff7dd79a49c7582a3ee235f14cbf70a5f38ca

SHA512
6dc85dbdd794a457a12c8549556412ca83c34b4fd25aae6c0935c86ca94c3ad5f4916bdf823bca0c9112add02e599f73931a1345d6cb5527aad428ede66068d0

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

Filesize
73KB

MD5
57040ffdf6f430c2fd0a69f329a99122

SHA1
fd4ecf21ce96517e63d15d2ce4ecf49aba6de4be

SHA256
a8bf43c2014e723a7bfe5adb443df6ebe3aaa45047067f24aaf4ae176c1580b6

SHA512
5d648f4b1818f567bbb41d85a07b396910a36f1ffc5291aef7a624718e7661c4c2cb67ceb48867d9072b93efa4c2c2aa8650d891b53c3d3bbacbbd05f798bab4

Download Submit
C:\Windows\SysWOW64\opseakir-oumed.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\ulvukag-igid.exe

Filesize
70KB

MD5
00ed71df2e60383f072cdd285110af84

SHA1
ca42db3648fe8eee38bc1d58b3fb5de2048632f1

SHA256
a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2

SHA512
921367b3e33be335233e2b7c941da040c99f5f2b9a47cf95bb6c301f02afc6a595c0a292fe666fe31a605f309b6de003113c041824067e87e3898285881746a3

Download Submit
memory/396-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3268-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4968-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download