8a5658e30222bd545aa48a45cf76002e1bf68d3253cde77ec7d5fbb1b6acdfff

General

Target

88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe
Size

13KB
MD5

88af140e3b2d73e96d8882c735251548
SHA1

4161f9564e529df6901f4bb85a69f9c72ee030b2
SHA256

8a5658e30222bd545aa48a45cf76002e1bf68d3253cde77ec7d5fbb1b6acdfff
SHA512

df0cf74af1ecda037eff11fe6727980114b80a1ff20b361c77d62319c3e2c8efa0ac90b82c7c2889111e8ed15c9c8dd7a4437245365a5888f229cc0e4d1ef97e
SSDEEP

192:mtBPQNgnouH+22mvT+QcomdJgFplBQwYrzutXJHmmCvttMlfr5WBV0AHC/OAA+ub:4cgnoujqddJ+NAutI3tt2rIHR6QR

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Deletes itself 1 IoCs

pid	Process
2988	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	craoek.exe

Loads dropped DLL 2 IoCs

pid	Process
2564	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe
2564	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2564-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x0008000000016d2a-3.dat	upx
behavioral1/memory/2796-12-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/2564-10-0x00000000001C0000-0x00000000001D0000-memory.dmp	upx
behavioral1/memory/2564-13-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\craoe.dll	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\craoek.exe	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\craoek.exe	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 2796	2564	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	30
PID 2564 wrote to memory of 2796	2564	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	30
PID 2564 wrote to memory of 2796	2564	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	30
PID 2564 wrote to memory of 2796	2564	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	30
PID 2564 wrote to memory of 2988	2564	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	32
PID 2564 wrote to memory of 2988	2564	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	32
PID 2564 wrote to memory of 2988	2564	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	32
PID 2564 wrote to memory of 2988	2564	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Windows\SysWOW64\craoek.exe
  C:\Windows\system32\craoek.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2796
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Privilege Escalation

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe.bat

Filesize
210B

MD5
8015776956e31fe3c82fb38c41502259

SHA1
fe21bbe8c1bafa2cdc6caf72738cd765f731f192

SHA256
3d28d0b54d84c74e030a10f4eb160708d421c1b63114e72a9bf2c536be9b59f8

SHA512
5f3630a5e60587305b251b43f4ab0bb0a978910c4198543ccfc7cc6b2553e8dbfd021174851e6b11e68e86d090925c722a9953e832d1c14ce7703ec190ba3cf6

Download Submit
\Windows\SysWOW64\craoek.exe

Filesize
13KB

MD5
88af140e3b2d73e96d8882c735251548

SHA1
4161f9564e529df6901f4bb85a69f9c72ee030b2

SHA256
8a5658e30222bd545aa48a45cf76002e1bf68d3253cde77ec7d5fbb1b6acdfff

SHA512
df0cf74af1ecda037eff11fe6727980114b80a1ff20b361c77d62319c3e2c8efa0ac90b82c7c2889111e8ed15c9c8dd7a4437245365a5888f229cc0e4d1ef97e

Download Submit
memory/2564-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2564-11-0x00000000001C0000-0x00000000001D0000-memory.dmp

Filesize
64KB

Download
memory/2564-10-0x00000000001C0000-0x00000000001D0000-memory.dmp

Filesize
64KB

Download
memory/2564-13-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2564-17-0x00000000001C0000-0x00000000001D0000-memory.dmp

Filesize
64KB

Download
memory/2564-18-0x00000000001C0000-0x00000000001D0000-memory.dmp

Filesize
64KB

Download
memory/2796-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

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