05bb3182372c5fd36528632bd6d6b70167684bca94f0edfd30c7d0e8982a12a5

General

Target

0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe
Size

51KB
MD5

0d5a11af9212476171afd5c8457bdaa6
SHA1

a9a00614b0e030d7c4bc7a0aa70f91f821b41ef6
SHA256

05bb3182372c5fd36528632bd6d6b70167684bca94f0edfd30c7d0e8982a12a5
SHA512

40426e33e335159c1b44782b53889257a85f3075da499b4189a5449a909a164f64c55634a57cda144f48f7588c5eda20777bd21f83964811d430d4a00108204e
SSDEEP

768:9Fx7SMdYumZJ16zj5ncgoE2B5mSdIw/j3FFPrlycnm8f0r7HemcMb:LxjdAi2RE2B9dIwrDrlycm7rTeCb

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
576	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2512	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/files/0x0007000000016c9f-10.dat	vmprotect

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 10 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\zyfuck1.dat	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\zyfuck2.dat	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\zyfuck2.dat	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\zyfuck3.dat	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\zyfuck.cfg	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\zyfuck1.dat	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\zyfuck4.dat	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\zyfuck4.dat	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ouwqrpner.dll	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\zyfuck3.dat	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2512-0-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral1/memory/2512-14-0x0000000000400000-0x000000000042A000-memory.dmp	upx

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2512	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
2512	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe
476	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	2512	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2512	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 576	2512	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe	31
PID 2512 wrote to memory of 576	2512	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe	31
PID 2512 wrote to memory of 576	2512	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe	31
PID 2512 wrote to memory of 576	2512	0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0d5a11af9212476171afd5c8457bdaa6_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\0D5A11~1.EXE
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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

\Windows\SysWOW64\ouwqrpner.dll

Filesize
64KB

MD5
08e2e64e40b296aa251c39fab1ff17b2

SHA1
85906fc87d974af520f65a18dfbf8a619c72bca6

SHA256
767f6b3c483143ec1ad8784876205234cf886cf8a8a36de7816267f5cee32cc0

SHA512
c805c99f512c24e3eee2676b03fee7ce956c2ee581c9304a56af62490872f67a27d48a56ba8f8ff01e22db76ee59f491a228373d276c1034ff5a43110b98634b

Download Submit
memory/2512-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2512-12-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/2512-14-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

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