de5431c1e5d966f9f925a4a9842701559cd7a9954b47a2f49e92bfd5b68c01d9

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 10:10

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General

Target

2f3fb405a743dce8019ca72c636da889_JaffaCakes118.exe
Size

85KB
MD5

2f3fb405a743dce8019ca72c636da889
SHA1

c237bf127701968ddd6198da7e3ccfe65b010dc5
SHA256

de5431c1e5d966f9f925a4a9842701559cd7a9954b47a2f49e92bfd5b68c01d9
SHA512

d19abc58b8374707515667c5da4a92d703ec1f0b194397374b7b26dc6b610a45f377596eba43f8b44faf383b089d1ec6819d515b0e3153de20315721020d9ab5
SSDEEP

1536:hcLyN2jyOMpo3UooBLbExSbpTOtyG3TMzTg+IG11Q7Iy1hbdG0LaIV/W:hoyN4Qo3U9p6tnYzknl7IynZG0eIV/W

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3040	winssco.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	winssco.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	winssco.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	winssco.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	winssco.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4976-0-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral2/files/0x0033000000023b70-4.dat	upx
behavioral2/memory/4976-7-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral2/memory/3040-9-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral2/memory/3040-11-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral2/memory/3040-14-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral2/memory/3040-17-0x0000000000400000-0x0000000000436000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\winssco.exe	2f3fb405a743dce8019ca72c636da889_JaffaCakes118.exe
File created	C:\Windows\time.bat	2f3fb405a743dce8019ca72c636da889_JaffaCakes118.exe
File created	C:\Windows\winssco.exe	winssco.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4368	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 11 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	2f3fb405a743dce8019ca72c636da889_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winssco.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	w32tm.exe

System Time Discovery 1 TTPs 6 IoCs

Adversary may gather the system time and/or time zone settings from a local or remote system.

discovery

System Time Discovery

T1124

pid	Process
3400	net1.exe
1812	net.exe
1420	net1.exe
4544	net.exe
3068	net1.exe
1720	net.exe

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	winssco.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	winssco.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	winssco.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	winssco.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	winssco.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	winssco.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	winssco.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	winssco.exe

Runs net.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 3092	4976	2f3fb405a743dce8019ca72c636da889_JaffaCakes118.exe	84
PID 4976 wrote to memory of 3092	4976	2f3fb405a743dce8019ca72c636da889_JaffaCakes118.exe	84
PID 4976 wrote to memory of 3092	4976	2f3fb405a743dce8019ca72c636da889_JaffaCakes118.exe	84
PID 3092 wrote to memory of 4544	3092	cmd.exe	87
PID 3092 wrote to memory of 4544	3092	cmd.exe	87
PID 3092 wrote to memory of 4544	3092	cmd.exe	87
PID 4544 wrote to memory of 3068	4544	net.exe	88
PID 4544 wrote to memory of 3068	4544	net.exe	88
PID 4544 wrote to memory of 3068	4544	net.exe	88
PID 3092 wrote to memory of 4368	3092	cmd.exe	89
PID 3092 wrote to memory of 4368	3092	cmd.exe	89
PID 3092 wrote to memory of 4368	3092	cmd.exe	89
PID 3092 wrote to memory of 1720	3092	cmd.exe	90
PID 3092 wrote to memory of 1720	3092	cmd.exe	90
PID 3092 wrote to memory of 1720	3092	cmd.exe	90
PID 1720 wrote to memory of 3400	1720	net.exe	91
PID 1720 wrote to memory of 3400	1720	net.exe	91
PID 1720 wrote to memory of 3400	1720	net.exe	91
PID 3092 wrote to memory of 1812	3092	cmd.exe	92
PID 3092 wrote to memory of 1812	3092	cmd.exe	92
PID 3092 wrote to memory of 1812	3092	cmd.exe	92
PID 1812 wrote to memory of 1420	1812	net.exe	93
PID 1812 wrote to memory of 1420	1812	net.exe	93
PID 1812 wrote to memory of 1420	1812	net.exe	93
PID 3092 wrote to memory of 1120	3092	cmd.exe	94
PID 3092 wrote to memory of 1120	3092	cmd.exe	94
PID 3092 wrote to memory of 1120	3092	cmd.exe	94
PID 1120 wrote to memory of 1604	1120	w32tm.exe	96
PID 1120 wrote to memory of 1604	1120	w32tm.exe	96

C:\Users\Admin\AppData\Local\Temp\2f3fb405a743dce8019ca72c636da889_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2f3fb405a743dce8019ca72c636da889_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\time.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3092
- - C:\Windows\SysWOW64\net.exe
    net time /setsntp:time.tesekl.info
    3⤵
    - System Location Discovery: System Language Discovery
    - System Time Discovery
    - Suspicious use of WriteProcessMemory
    PID:4544
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 time /setsntp:time.tesekl.info
      4⤵
      System Location Discovery: System Language Discovery
      System Time Discovery
      PID:3068
- - C:\Windows\SysWOW64\sc.exe
    sc config w32time start= demand
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4368
- - C:\Windows\SysWOW64\net.exe
    net stop w32time
    3⤵
    - System Location Discovery: System Language Discovery
    - System Time Discovery
    - Suspicious use of WriteProcessMemory
    PID:1720
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop w32time
      4⤵
      System Location Discovery: System Language Discovery
      System Time Discovery
      PID:3400
- - C:\Windows\SysWOW64\net.exe
    net start w32time
    3⤵
    - System Location Discovery: System Language Discovery
    - System Time Discovery
    - Suspicious use of WriteProcessMemory
    PID:1812
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start w32time
      4⤵
      System Location Discovery: System Language Discovery
      System Time Discovery
      PID:1420
- - C:\Windows\SysWOW64\w32tm.exe
    w32tm /resync
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1120
  - - C:\Windows\system32\w32tm.exe
      w32tm /resync
      4⤵
      PID:1604

C:\Windows\winssco.exe
C:\Windows\\winssco.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Time Discovery

T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\time.bat

Filesize
121B

MD5
318fa6ed4723962e9f97cd5e7e5532b6

SHA1
0c2864621d22ca7016c294ca3727e41c3e78e907

SHA256
9d7f6dfa7bf208ec265663786d1a365e2cacffb285fc47fe83c691dae2df859b

SHA512
b4cafa7d67dfc9a0900ff710e2519ac593b74b0fcc2c4b8ff95049ad0910445a83f1ec46149f76574bb0f5cdd2cf6db0b4aba8569558f22fbd3e56a3e3347536

Download Submit
C:\Windows\winssco.exe

Filesize
85KB

MD5
8347a86f76edbddb4f640592c597656e

SHA1
758e68722e69ad8b2d62dd8b9575d2ec76e933d9

SHA256
47908fcfb6b779576b70ef65e2c1183c7c3cf617872aa77c2e114b6ac741e999

SHA512
7beaf0d12708d76f2a1cd37f564633fb859abc3112e5a7d0e207b088994d2e81da97380e83b207eca728b7a2a53ca278850fbb931ad074e1aa60718435489876

Download Submit
memory/3040-9-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/3040-11-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/3040-14-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/3040-17-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/4976-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/4976-7-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download