40d7d22f096d132f226a7bc08bbf68131a01ca7749def670c21b7b27db609935

Analysis

max time kernel
150s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 12:57

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General

Target

dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe
Size

335KB
MD5

dc520f97398ead51ef973a1599b2749c
SHA1

1ff1ae904fc50f47bae27c3201349ad4eb499810
SHA256

40d7d22f096d132f226a7bc08bbf68131a01ca7749def670c21b7b27db609935
SHA512

b825e4b264c2f69d8efe5f2dd9947ad7678e649b632cf9aacb438a7e417efd22283199aafb6f2b77d400dfc5ba64c86961ea78a09d91e69a5a830bcb64216d54
SSDEEP

6144:l7ItgahAb+QBXdxCY/Tv8Hqf+RoC7RoiCicubz:l7ItmrBXdxJF+vqiCi7z

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2832	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2384	ynamc.exe
2696	ynamc.EXE

Loads dropped DLL 3 IoCs

pid	Process
2256	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE
2256	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE
2384	ynamc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\{A88F9661-9A60-3845-C503-2C98CB64AC45} = "C:\\Users\\Admin\\AppData\\Roaming\\Izurry\\ynamc.exe"	ynamc.EXE

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2256	2232	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe	31
PID 2384 set thread context of 2696	2384	ynamc.exe	33

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ynamc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

pid	Process
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE
2696	ynamc.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2256	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2232	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe
2384	ynamc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2256	2232	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2256	2232	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe	31
PID 2256 wrote to memory of 2384	2256	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE	32
PID 2256 wrote to memory of 2384	2256	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE	32
PID 2256 wrote to memory of 2384	2256	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE	32
PID 2256 wrote to memory of 2384	2256	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE	32
PID 2384 wrote to memory of 2696	2384	ynamc.exe	33
PID 2384 wrote to memory of 2696	2384	ynamc.exe	33
PID 2384 wrote to memory of 2696	2384	ynamc.exe	33
PID 2384 wrote to memory of 2696	2384	ynamc.exe	33
PID 2384 wrote to memory of 2696	2384	ynamc.exe	33
PID 2384 wrote to memory of 2696	2384	ynamc.exe	33
PID 2384 wrote to memory of 2696	2384	ynamc.exe	33
PID 2384 wrote to memory of 2696	2384	ynamc.exe	33
PID 2384 wrote to memory of 2696	2384	ynamc.exe	33
PID 2256 wrote to memory of 2832	2256	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE	34
PID 2256 wrote to memory of 2832	2256	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE	34
PID 2256 wrote to memory of 2832	2256	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE	34
PID 2256 wrote to memory of 2832	2256	dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE	34
PID 2696 wrote to memory of 1096	2696	ynamc.EXE	19
PID 2696 wrote to memory of 1096	2696	ynamc.EXE	19
PID 2696 wrote to memory of 1096	2696	ynamc.EXE	19
PID 2696 wrote to memory of 1096	2696	ynamc.EXE	19
PID 2696 wrote to memory of 1096	2696	ynamc.EXE	19
PID 2696 wrote to memory of 1156	2696	ynamc.EXE	20
PID 2696 wrote to memory of 1156	2696	ynamc.EXE	20
PID 2696 wrote to memory of 1156	2696	ynamc.EXE	20
PID 2696 wrote to memory of 1156	2696	ynamc.EXE	20
PID 2696 wrote to memory of 1156	2696	ynamc.EXE	20
PID 2696 wrote to memory of 1188	2696	ynamc.EXE	21
PID 2696 wrote to memory of 1188	2696	ynamc.EXE	21
PID 2696 wrote to memory of 1188	2696	ynamc.EXE	21
PID 2696 wrote to memory of 1188	2696	ynamc.EXE	21
PID 2696 wrote to memory of 1188	2696	ynamc.EXE	21
PID 2696 wrote to memory of 1988	2696	ynamc.EXE	23
PID 2696 wrote to memory of 1988	2696	ynamc.EXE	23
PID 2696 wrote to memory of 1988	2696	ynamc.EXE	23
PID 2696 wrote to memory of 1988	2696	ynamc.EXE	23
PID 2696 wrote to memory of 1988	2696	ynamc.EXE	23
PID 2696 wrote to memory of 2832	2696	ynamc.EXE	34
PID 2696 wrote to memory of 2832	2696	ynamc.EXE	34
PID 2696 wrote to memory of 2832	2696	ynamc.EXE	34
PID 2696 wrote to memory of 2832	2696	ynamc.EXE	34
PID 2696 wrote to memory of 2832	2696	ynamc.EXE	34
PID 2696 wrote to memory of 288	2696	ynamc.EXE	36
PID 2696 wrote to memory of 288	2696	ynamc.EXE	36
PID 2696 wrote to memory of 288	2696	ynamc.EXE	36
PID 2696 wrote to memory of 288	2696	ynamc.EXE	36
PID 2696 wrote to memory of 288	2696	ynamc.EXE	36
PID 2696 wrote to memory of 2396	2696	ynamc.EXE	37
PID 2696 wrote to memory of 2396	2696	ynamc.EXE	37
PID 2696 wrote to memory of 2396	2696	ynamc.EXE	37
PID 2696 wrote to memory of 2396	2696	ynamc.EXE	37
PID 2696 wrote to memory of 2396	2696	ynamc.EXE	37
PID 2696 wrote to memory of 1508	2696	ynamc.EXE	38
PID 2696 wrote to memory of 1508	2696	ynamc.EXE	38
PID 2696 wrote to memory of 1508	2696	ynamc.EXE	38

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\dc520f97398ead51ef973a1599b2749c_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Users\Admin\AppData\Local\Temp\dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE
    "C:\Users\Admin\AppData\Local\Temp\dc520f97398ead51ef973a1599b2749c_JaffaCakes118.EXE"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2256
  - - C:\Users\Admin\AppData\Roaming\Izurry\ynamc.exe
      "C:\Users\Admin\AppData\Roaming\Izurry\ynamc.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2384
    - - C:\Users\Admin\AppData\Roaming\Izurry\ynamc.EXE
        
        "C:\Users\Admin\AppData\Roaming\Izurry\ynamc.EXE"
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:2696
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp381e3d6b.bat"
      4⤵
      Deletes itself
      System Location Discovery: System Language Discovery
      PID:2832

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1988

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:288

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:2396

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:1508

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:752

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp381e3d6b.bat

Filesize
271B

MD5
3d8b37f0299865ee3e6b6174583cfa1b

SHA1
30ccf58e0dce95076603d1333e860c1016ecaf91

SHA256
c8f5a4ca23d011c2147e15c281cdc80a3d08f827a9da5fcb2342b634d3fcccb8

SHA512
f917f563bd36ec27a4cafd620d3277918e63f3b12361baceb0ce92d9814200eebfd27febec8c3467b96761c2398fe531677a4aa9fac45156c212a0e1959c2b66

Download Submit
\Users\Admin\AppData\Roaming\Izurry\ynamc.exe

Filesize
335KB

MD5
11f13e4cf20ac75ad824216718434976

SHA1
0bcc2590b6ab2fdd782d7c59b55febbdc20d9944

SHA256
ac81f445491e69cc3fb2db70b9f800b5fe988013cb9bb74b757e83d8a2db1f5e

SHA512
f9fd99dd7370354ad64417ced49e3a5d268e6603d3db39380bd5635b89b88f096ebfe17bdd94cb9621a850e93159332fdb1a28136e5fb4bee751d28fd1974f36

Download Submit
memory/1096-54-0x0000000000390000-0x00000000003B7000-memory.dmp

Filesize
156KB

Download
memory/1096-51-0x0000000000390000-0x00000000003B7000-memory.dmp

Filesize
156KB

Download
memory/1096-52-0x0000000000390000-0x00000000003B7000-memory.dmp

Filesize
156KB

Download
memory/1096-53-0x0000000000390000-0x00000000003B7000-memory.dmp

Filesize
156KB

Download
memory/1156-57-0x00000000001B0000-0x00000000001D7000-memory.dmp

Filesize
156KB

Download
memory/1156-59-0x00000000001B0000-0x00000000001D7000-memory.dmp

Filesize
156KB

Download
memory/1156-60-0x00000000001B0000-0x00000000001D7000-memory.dmp

Filesize
156KB

Download
memory/1156-58-0x00000000001B0000-0x00000000001D7000-memory.dmp

Filesize
156KB

Download
memory/1188-65-0x0000000002ED0000-0x0000000002EF7000-memory.dmp

Filesize
156KB

Download
memory/1188-62-0x0000000002ED0000-0x0000000002EF7000-memory.dmp

Filesize
156KB

Download
memory/1188-63-0x0000000002ED0000-0x0000000002EF7000-memory.dmp

Filesize
156KB

Download
memory/1188-64-0x0000000002ED0000-0x0000000002EF7000-memory.dmp

Filesize
156KB

Download
memory/1988-74-0x0000000001E50000-0x0000000001E77000-memory.dmp

Filesize
156KB

Download
memory/1988-72-0x0000000001E50000-0x0000000001E77000-memory.dmp

Filesize
156KB

Download
memory/1988-70-0x0000000001E50000-0x0000000001E77000-memory.dmp

Filesize
156KB

Download
memory/1988-68-0x0000000001E50000-0x0000000001E77000-memory.dmp

Filesize
156KB

Download
memory/2256-17-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2256-8-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2256-12-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2256-49-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2256-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2256-2-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2256-16-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2256-6-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2256-18-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2256-15-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2256-14-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2256-4-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2696-82-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2696-103-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2832-80-0x00000000000D0000-0x00000000000F7000-memory.dmp

Filesize
156KB

Download
memory/2832-78-0x00000000000D0000-0x00000000000F7000-memory.dmp

Filesize
156KB

Download
memory/2832-79-0x00000000000D0000-0x00000000000F7000-memory.dmp

Filesize
156KB

Download
memory/2832-81-0x00000000000D0000-0x00000000000F7000-memory.dmp

Filesize
156KB

Download
memory/2832-77-0x00000000000D0000-0x00000000000F7000-memory.dmp

Filesize
156KB

Download