26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/05/2024, 20:28

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General

Target

26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca.exe
Size

71KB
MD5

fb37b2c408e1a79ca05c90167c96561b
SHA1

dc5284d3ba16b55b6ddc1f1f4fe937441f3e291b
SHA256

26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca
SHA512

6bb34f806870ff054c65941f51061c2f1797464b4cc502caed904658db1b1c2bf3cc5645a001d5077065216e906fd41c57140ba9c556ecd1f79239615cd23b7b
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8sl2c:Olg35GTslA5t3/w8Tc

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"	odfakob.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	odfakob.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	odfakob.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	odfakob.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\{484B554C-4249-4255-484B-554C42494255}	odfakob.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{484B554C-4249-4255-484B-554C42494255}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	odfakob.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{484B554C-4249-4255-484B-554C42494255}\IsInstalled = "1"	odfakob.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{484B554C-4249-4255-484B-554C42494255}\StubPath = "C:\\Windows\\system32\\oupmeatoas.exe"	odfakob.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	odfakob.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\iksoosum-amac.exe"	odfakob.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	odfakob.exe

Executes dropped EXE 2 IoCs

pid	Process
2808	odfakob.exe
1648	odfakob.exe

Loads dropped DLL 3 IoCs

pid	Process
1924	26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca.exe
1924	26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca.exe
2808	odfakob.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"	odfakob.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	odfakob.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	odfakob.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	odfakob.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\\upfusip-axex.dll"	odfakob.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	odfakob.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	odfakob.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	odfakob.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	odfakob.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\odfakob.exe	odfakob.exe
File opened for modification	C:\Windows\SysWOW64\iksoosum-amac.exe	odfakob.exe
File opened for modification	C:\Windows\SysWOW64\oupmeatoas.exe	odfakob.exe
File opened for modification	C:\Windows\SysWOW64\upfusip-axex.dll	odfakob.exe
File created	C:\Windows\SysWOW64\upfusip-axex.dll	odfakob.exe
File opened for modification	C:\Windows\SysWOW64\odfakob.exe	26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca.exe
File created	C:\Windows\SysWOW64\odfakob.exe	26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca.exe
File created	C:\Windows\SysWOW64\iksoosum-amac.exe	odfakob.exe
File created	C:\Windows\SysWOW64\oupmeatoas.exe	odfakob.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
1648	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe
2808	odfakob.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca.exe
Token: SeDebugPrivilege	2808	odfakob.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2808	1924	26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca.exe	28
PID 1924 wrote to memory of 2808	1924	26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca.exe	28
PID 1924 wrote to memory of 2808	1924	26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca.exe	28
PID 1924 wrote to memory of 2808	1924	26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca.exe	28
PID 2808 wrote to memory of 436	2808	odfakob.exe	5
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1648	2808	odfakob.exe	29
PID 2808 wrote to memory of 1648	2808	odfakob.exe	29
PID 2808 wrote to memory of 1648	2808	odfakob.exe	29
PID 2808 wrote to memory of 1648	2808	odfakob.exe	29
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20
PID 2808 wrote to memory of 1116	2808	odfakob.exe	20

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1116
- C:\Users\Admin\AppData\Local\Temp\26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca.exe
  "C:\Users\Admin\AppData\Local\Temp\26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\SysWOW64\odfakob.exe
    "C:\Windows\system32\odfakob.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:2808
  - - C:\Windows\SysWOW64\odfakob.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:1648

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\iksoosum-amac.exe

Filesize
74KB

MD5
5b3306a9fb05628f8282a4dbac591f57

SHA1
7d45fdfc666320726a4c7d4c06b5869343e23119

SHA256
abae61af684f4a4584828653d9146bf1005bcdd8f9b69854965e7c3f8320d73a

SHA512
b077616eb7113dd31612d84d8a30f18a483e812f12c373fe699dcf70d2cc613eea3a6f66c5e21acb824c3fcf76aea745d5f4a3bf8c8c44ce110a88204d62df7b

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

Filesize
73KB

MD5
48c179a9b4f19fb93cf50f5953b25f9c

SHA1
df727571b0df627c3861188d6b1daed2ce3fbf84

SHA256
6205bd0031c1f005cb2cdb048ab5c80322f7a6193440d0dfb1ac42e8f8bbbe1f

SHA512
4de62f312b9dde7d63ce2e59d74db028b3a9cde51f0176f34376e4abb21c78b35799b9cd3053b2648c81e94cab4a474575a15a6f787fb5900509f2ceb9c674ed

Download Submit
C:\Windows\SysWOW64\upfusip-axex.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
\Windows\SysWOW64\odfakob.exe

Filesize
71KB

MD5
fb37b2c408e1a79ca05c90167c96561b

SHA1
dc5284d3ba16b55b6ddc1f1f4fe937441f3e291b

SHA256
26fb5d7324e2cc250758ba54a64c0d04bfe30078c1b6498819e815e7ca7518ca

SHA512
6bb34f806870ff054c65941f51061c2f1797464b4cc502caed904658db1b1c2bf3cc5645a001d5077065216e906fd41c57140ba9c556ecd1f79239615cd23b7b

Download Submit
memory/1648-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1924-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2808-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download