c7c9e303035e7f62c5fba72e15d271cbc09bf626a9e26124a96d7a2fa993079f

General

Target

774505aa52d44154480727b8194f60b3_JaffaCakes118.exe
Size

11KB
MD5

774505aa52d44154480727b8194f60b3
SHA1

d9ceef1e1cc88a2da3f2672b5468319eab7e090c
SHA256

c7c9e303035e7f62c5fba72e15d271cbc09bf626a9e26124a96d7a2fa993079f
SHA512

400cdda9179d8d2086b5087ecfe381b27f64b38bad22ebfe18fead1e1f704c765eff873b61e75c13e922665a6c6c11fdd6ed972fa05cfd67b4f8bc2f5306041a
SSDEEP

192:BaMLRkP1rpksa9X1XIsHqFtaQFP9CjKCueTsL+EAAo0728/8gOuqUVeO/:BVLiNrSXX1YhFXMjKCue2MAXb+l6

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
2796	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1984	aotopptk.exe

Loads dropped DLL 2 IoCs

pid	Process
2520	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe
2520	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2520-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x0007000000016d21-3.dat	upx
behavioral1/memory/1984-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2520-10-0x00000000001C0000-0x00000000001CF000-memory.dmp	upx
behavioral1/memory/2520-13-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/1984-14-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\aotoppt.dll	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\aotopptk.exe	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\aotopptk.exe	774505aa52d44154480727b8194f60b3_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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 1984	2520	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe	30
PID 2520 wrote to memory of 1984	2520	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe	30
PID 2520 wrote to memory of 1984	2520	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe	30
PID 2520 wrote to memory of 1984	2520	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2796	2520	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2796	2520	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2796	2520	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2796	2520	774505aa52d44154480727b8194f60b3_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\774505aa52d44154480727b8194f60b3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\774505aa52d44154480727b8194f60b3_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\aotopptk.exe
  C:\Windows\system32\aotopptk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:1984
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\774505aa52d44154480727b8194f60b3_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2796

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\774505aa52d44154480727b8194f60b3_JaffaCakes118.exe.bat

Filesize
210B

MD5
adca7494121269351f92eb030ff0f65f

SHA1
1cf865a5d80bf621a89ad6598043423452d256e7

SHA256
766ed62d7bbd5a14592e86d289e4db3e3ead137d7334c9dbc3a7b993b80baadc

SHA512
bed4e94fa3d80977d8e32c8aaa864fdf2fd355c542d85bd9043f49877e3b73161c089997db95a207a1db62721cbaa714c4225c4e7834c2af06f61b8eeb5efaab

Download Submit
\Windows\SysWOW64\aotopptk.exe

Filesize
11KB

MD5
774505aa52d44154480727b8194f60b3

SHA1
d9ceef1e1cc88a2da3f2672b5468319eab7e090c

SHA256
c7c9e303035e7f62c5fba72e15d271cbc09bf626a9e26124a96d7a2fa993079f

SHA512
400cdda9179d8d2086b5087ecfe381b27f64b38bad22ebfe18fead1e1f704c765eff873b61e75c13e922665a6c6c11fdd6ed972fa05cfd67b4f8bc2f5306041a

Download Submit
memory/1984-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1984-14-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2520-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2520-11-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download
memory/2520-10-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download
memory/2520-13-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2520-17-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download
memory/2520-18-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download

Analysis

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