0674c95248258ac80daf7ef39d1cf76c204bf2fbabc1386e6fe93b90d5eabc67

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 16:07

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General

Target

f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe
Size

384KB
MD5

f026c151c982d18140c4d7c6dccf5566
SHA1

3d8dcf38c57980a224a7b82121f85c67bb2257fe
SHA256

0674c95248258ac80daf7ef39d1cf76c204bf2fbabc1386e6fe93b90d5eabc67
SHA512

0344d0b128530f6857167747ad4ce2b585c8191bfa03807896984933a41d615b814a4391241020506cd54cfbe5e380c91c676ce4602750e196ba5d57051fb995
SSDEEP

6144:qzZwJN7oHfdrekyFUEJHJmYgZktfWC4K/GziIIVX8aKrlcxmlF:6iJZ2fdrZjsUWwJiX8aOlx

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1220	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	yfiv.exe

Loads dropped DLL 2 IoCs

pid	Process
2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe
2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\{F5C6EAE8-1B61-AD4F-A81D-915899A2B245} = "C:\\Users\\Admin\\AppData\\Roaming\\Zyka\\yfiv.exe"	yfiv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2324 set thread context of 1220	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 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	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yfiv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Privacy	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe
2788	yfiv.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe
2788	yfiv.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2788	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	30
PID 2324 wrote to memory of 2788	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	30
PID 2324 wrote to memory of 2788	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	30
PID 2324 wrote to memory of 2788	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	30
PID 2788 wrote to memory of 1132	2788	yfiv.exe	19
PID 2788 wrote to memory of 1132	2788	yfiv.exe	19
PID 2788 wrote to memory of 1132	2788	yfiv.exe	19
PID 2788 wrote to memory of 1132	2788	yfiv.exe	19
PID 2788 wrote to memory of 1132	2788	yfiv.exe	19
PID 2788 wrote to memory of 1180	2788	yfiv.exe	20
PID 2788 wrote to memory of 1180	2788	yfiv.exe	20
PID 2788 wrote to memory of 1180	2788	yfiv.exe	20
PID 2788 wrote to memory of 1180	2788	yfiv.exe	20
PID 2788 wrote to memory of 1180	2788	yfiv.exe	20
PID 2788 wrote to memory of 1260	2788	yfiv.exe	21
PID 2788 wrote to memory of 1260	2788	yfiv.exe	21
PID 2788 wrote to memory of 1260	2788	yfiv.exe	21
PID 2788 wrote to memory of 1260	2788	yfiv.exe	21
PID 2788 wrote to memory of 1260	2788	yfiv.exe	21
PID 2788 wrote to memory of 1636	2788	yfiv.exe	25
PID 2788 wrote to memory of 1636	2788	yfiv.exe	25
PID 2788 wrote to memory of 1636	2788	yfiv.exe	25
PID 2788 wrote to memory of 1636	2788	yfiv.exe	25
PID 2788 wrote to memory of 1636	2788	yfiv.exe	25
PID 2788 wrote to memory of 2324	2788	yfiv.exe	29
PID 2788 wrote to memory of 2324	2788	yfiv.exe	29
PID 2788 wrote to memory of 2324	2788	yfiv.exe	29
PID 2788 wrote to memory of 2324	2788	yfiv.exe	29
PID 2788 wrote to memory of 2324	2788	yfiv.exe	29
PID 2324 wrote to memory of 1220	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	31
PID 2324 wrote to memory of 1220	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	31
PID 2324 wrote to memory of 1220	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	31
PID 2324 wrote to memory of 1220	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	31
PID 2324 wrote to memory of 1220	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	31
PID 2324 wrote to memory of 1220	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	31
PID 2324 wrote to memory of 1220	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	31
PID 2324 wrote to memory of 1220	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	31
PID 2324 wrote to memory of 1220	2324	f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe	31

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1260
- C:\Users\Admin\AppData\Local\Temp\f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f026c151c982d18140c4d7c6dccf5566_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Users\Admin\AppData\Roaming\Zyka\yfiv.exe
    "C:\Users\Admin\AppData\Roaming\Zyka\yfiv.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2788
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp19342d5c.bat"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1220

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1636

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\tmp19342d5c.bat

Filesize
271B

MD5
03887fb00b1ecee9a4cb6fb088da0af0

SHA1
02bc32b71dcf57eab0fa4d34683d1d3f57c8f698

SHA256
abc8b2c65f7bc1b21ce62c90f1a013140329060e7aa935782f8e4ea81738e7cb

SHA512
1901ba9bcc5d8412c7251272b5d88244dce9d792f16172219e373db33750722da3abac988a4434c325f97823d554ff652470b10a0ffa82d3e5c81b7dac36883b

Download Submit
C:\Users\Admin\AppData\Roaming\Zyka\yfiv.exe

Filesize
384KB

MD5
34e3be7daa74cd25743903609cb6a7fe

SHA1
3f03839324e6dccc8ce8d9258bbf61f667f6c6e6

SHA256
53e05397035328da47f0fb97acad33df76ec6ab582df2f3bb132b1195474d604

SHA512
4e6c90605394ebf48e44d14be266ca68577d9515fe818be99edb0af6fb180010f1f6f4f04b817ce38d6f6e8578fa68684c35b729dc2068ec5e3c35889ca6796b

Download Submit
memory/1132-19-0x0000000002210000-0x0000000002254000-memory.dmp

Filesize
272KB

Download
memory/1132-21-0x0000000002210000-0x0000000002254000-memory.dmp

Filesize
272KB

Download
memory/1132-23-0x0000000002210000-0x0000000002254000-memory.dmp

Filesize
272KB

Download
memory/1132-25-0x0000000002210000-0x0000000002254000-memory.dmp

Filesize
272KB

Download
memory/1132-27-0x0000000002210000-0x0000000002254000-memory.dmp

Filesize
272KB

Download
memory/1180-32-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1180-30-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1180-34-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1180-31-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1260-37-0x00000000025A0000-0x00000000025E4000-memory.dmp

Filesize
272KB

Download
memory/1260-38-0x00000000025A0000-0x00000000025E4000-memory.dmp

Filesize
272KB

Download
memory/1260-39-0x00000000025A0000-0x00000000025E4000-memory.dmp

Filesize
272KB

Download
memory/1260-40-0x00000000025A0000-0x00000000025E4000-memory.dmp

Filesize
272KB

Download
memory/1636-42-0x0000000001DC0000-0x0000000001E04000-memory.dmp

Filesize
272KB

Download
memory/1636-44-0x0000000001DC0000-0x0000000001E04000-memory.dmp

Filesize
272KB

Download
memory/1636-46-0x0000000001DC0000-0x0000000001E04000-memory.dmp

Filesize
272KB

Download
memory/1636-47-0x0000000001DC0000-0x0000000001E04000-memory.dmp

Filesize
272KB

Download
memory/2324-57-0x0000000001FB0000-0x0000000001FF4000-memory.dmp

Filesize
272KB

Download
memory/2324-78-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-68-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-164-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2324-72-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-163-0x0000000000370000-0x00000000003D3000-memory.dmp

Filesize
396KB

Download
memory/2324-66-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-64-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-62-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-60-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-53-0x0000000001FB0000-0x0000000001FF4000-memory.dmp

Filesize
272KB

Download
memory/2324-51-0x0000000001FB0000-0x0000000001FF4000-memory.dmp

Filesize
272KB

Download
memory/2324-49-0x0000000001FB0000-0x0000000001FF4000-memory.dmp

Filesize
272KB

Download
memory/2324-74-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-76-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-70-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-140-0x0000000077210000-0x0000000077211000-memory.dmp

Filesize
4KB

Download
memory/2324-141-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-80-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2324-55-0x0000000001FB0000-0x0000000001FF4000-memory.dmp

Filesize
272KB

Download
memory/2324-1-0x0000000000370000-0x00000000003D3000-memory.dmp

Filesize
396KB

Download
memory/2324-0-0x0000000000300000-0x0000000000344000-memory.dmp

Filesize
272KB

Download
memory/2324-58-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2324-5-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2324-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2324-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2788-17-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2788-16-0x0000000000360000-0x00000000003C3000-memory.dmp

Filesize
396KB

Download
memory/2788-15-0x0000000000280000-0x00000000002C4000-memory.dmp

Filesize
272KB

Download
memory/2788-287-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download