94c9af378ea3598ea7e2549d575e977d81134a350d0c6b00beea82ada4f0c256

General

Target

eab0145f3ee03d8a04d9f751ab7dca65_JaffaCakes118.exe
Size

1.0MB
MD5

eab0145f3ee03d8a04d9f751ab7dca65
SHA1

93a4ae73c44485f8fb40932857d11c09af70523e
SHA256

94c9af378ea3598ea7e2549d575e977d81134a350d0c6b00beea82ada4f0c256
SHA512

0166c3b5eba4ba2d77ab816a590c7c0e932b8d68d18603b7609d758c89239896b6f9489fd65a7d352b9d6e1555cafd8b5cd2fef943fca4793b73864d4ee838a9
SSDEEP

24576:OEXHRQLv8tl+wwiL2h602l3EUC27NSAHHib:x+DwwiLq6fPCStib

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1912	setups.exe
3012	csrsl.exe
2076	lssas.exe
2516	lssas.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023479-5.dat	upx
behavioral2/memory/1912-6-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/files/0x000700000002347b-13.dat	upx
behavioral2/memory/3012-14-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/files/0x000700000002347c-21.dat	upx
behavioral2/memory/2076-22-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/2516-30-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/1912-32-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/3012-34-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/2076-35-0x0000000000400000-0x0000000000409000-memory.dmp	upx

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrsl = "C:\\WINDOWS\\system32\\csrsl.exe"	csrsl.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lssas = "C:\\WINDOWS\\system32\\lssas.exe"	lssas.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lssas = "C:\\WINDOWS\\system32\\lssas.exe"	lssas.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\SysWOW64\setups.exe	eab0145f3ee03d8a04d9f751ab7dca65_JaffaCakes118.exe
File opened for modification	C:\WINDOWS\SysWOW64\csrsl.exe	setups.exe
File opened for modification	C:\WINDOWS\SysWOW64\lssas.exe	setups.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	eab0145f3ee03d8a04d9f751ab7dca65_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setups.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lssas.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lssas.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1912	setups.exe
1912	setups.exe
2076	lssas.exe
2076	lssas.exe
2516	lssas.exe
2516	lssas.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSystemtimePrivilege	1912	setups.exe
Token: SeSystemtimePrivilege	1912	setups.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2268	eab0145f3ee03d8a04d9f751ab7dca65_JaffaCakes118.exe
1912	setups.exe
3012	csrsl.exe
3012	csrsl.exe
3012	csrsl.exe
2076	lssas.exe
2516	lssas.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 1912	2268	eab0145f3ee03d8a04d9f751ab7dca65_JaffaCakes118.exe	85
PID 2268 wrote to memory of 1912	2268	eab0145f3ee03d8a04d9f751ab7dca65_JaffaCakes118.exe	85
PID 2268 wrote to memory of 1912	2268	eab0145f3ee03d8a04d9f751ab7dca65_JaffaCakes118.exe	85
PID 1912 wrote to memory of 3012	1912	setups.exe	86
PID 1912 wrote to memory of 3012	1912	setups.exe	86
PID 1912 wrote to memory of 3012	1912	setups.exe	86
PID 1912 wrote to memory of 2516	1912	setups.exe	87
PID 1912 wrote to memory of 2516	1912	setups.exe	87
PID 1912 wrote to memory of 2516	1912	setups.exe	87
PID 3012 wrote to memory of 2076	3012	csrsl.exe	88
PID 3012 wrote to memory of 2076	3012	csrsl.exe	88
PID 3012 wrote to memory of 2076	3012	csrsl.exe	88
PID 2268 wrote to memory of 5088	2268	eab0145f3ee03d8a04d9f751ab7dca65_JaffaCakes118.exe	89
PID 2268 wrote to memory of 5088	2268	eab0145f3ee03d8a04d9f751ab7dca65_JaffaCakes118.exe	89
PID 2268 wrote to memory of 5088	2268	eab0145f3ee03d8a04d9f751ab7dca65_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\eab0145f3ee03d8a04d9f751ab7dca65_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eab0145f3ee03d8a04d9f751ab7dca65_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2268
- C:\WINDOWS\SysWOW64\setups.exe
  C:\WINDOWS\system32\setups.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\WINDOWS\SysWOW64\csrsl.exe
    C:\WINDOWS\system32\csrsl.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3012
  - - C:\WINDOWS\SysWOW64\lssas.exe
      lssas.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      PID:2076
- - C:\WINDOWS\SysWOW64\lssas.exe
    C:\WINDOWS\system32\lssas.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:2516
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 1.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1.bat

Filesize
36B

MD5
1d0afaeccdf6282ca9043b118ac6bfc0

SHA1
5f79da9e0a044ddaec0f9ff406f50f656291cad3

SHA256
18b8de1ab184306a936a8b58c2e61eb66e4d7f5343e4f46943648ba2efd22e23

SHA512
63ff99869694e6e2b02527fe8c128c2adbc64f58d0d5039d05deca614e91f09ce069b8dff3747176d670343617bd373b990cff863a817f6984808ab2f5ff4c86

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

Filesize
13KB

MD5
fd045a2509f3df7e6e5ec63665106d95

SHA1
716b9cd50b5b199f3db67eefdc092612d7aaca17

SHA256
776c91ac0b3ea6b9ea5ba4aef016faaa6805ff7ab789710e9fb2245bba8afe0b

SHA512
51f652287e7eb46793490db7245c59c22824412308d82d4605bcf8c2ba7e159bf3328679b5d6f424e385e498721358fac50e2aa6454e256e61354c6c0e1ccc36

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

Filesize
8KB

MD5
f3ad07abc5ab9ef590c55f8a5b673ee7

SHA1
a76e11fae585ef101cdfc069b32a7d5cd8190b7d

SHA256
98bbffda2b793bc41a445a912ec81b2fa2038893e909f4d680ba9ae7fc859086

SHA512
940d101f716868aaadd4d57bf8ca8725aadaad71f28a39b8a5603497a22506bff7b3fc788ff77bb06bb033820bbe3d12771f7589eb4ba9cb98af7f1e979a6bc2

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

Filesize
23KB

MD5
a30c987c3860b4dcc66605dc7bd3c068

SHA1
d2472b6a0010db719e2cbaf7b321ef1c4335cacf

SHA256
19e3696982bc50c7191d637a0b922f015aa2a0c8d569c8148bc1750c01671401

SHA512
d21532043b62af0f85014cac965f9c0df6f9149c454e68bcfd5697f0768c1c603e5e4ec501dde36b8edc802ee683906597765e3e6e4492582cc1cd399d151ea1

Download Submit
memory/1912-6-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1912-32-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2076-22-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2076-35-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2516-30-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3012-14-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3012-34-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads