04a0f1119d938cb8dcc14e2b28fa3f01b94c2bd8350ce61470ab04cb030bbaa9

General

Target

ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe
Size

11KB
MD5

ac6d2f4cc84f2cfd05accac310d7d3a0
SHA1

80f617ac7791ed7b38aa6f432e2fb501e422e23b
SHA256

04a0f1119d938cb8dcc14e2b28fa3f01b94c2bd8350ce61470ab04cb030bbaa9
SHA512

fda44154fb8ca71b72c499af22d727e38eec3ee6887a03fce45b6c52d6c6e243b38d410b7ace20db5830622df8728ab743d502a036457398299832aa2cd811a3
SSDEEP

192:YG+lyH3/Rv/7uyb6/g+w2lfxh6TU+hbZjiuDxJHytgA6kS1Mi6cbg:T+lkp/kgPcx4/h/itVOMgg

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
2636	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2592	aotopptk.exe

Loads dropped DLL 2 IoCs

pid	Process
2564	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe
2564	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2564-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/files/0x0008000000018c22-3.dat	upx
behavioral1/memory/2564-10-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2592-13-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\aotoppt.dll	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\aotopptk.exe	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\aotopptk.exe	ac6d2f4cc84f2cfd05accac310d7d3a0_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	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 2592	2564	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe	31
PID 2564 wrote to memory of 2592	2564	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe	31
PID 2564 wrote to memory of 2592	2564	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe	31
PID 2564 wrote to memory of 2592	2564	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe	31
PID 2564 wrote to memory of 2636	2564	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe	32
PID 2564 wrote to memory of 2636	2564	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe	32
PID 2564 wrote to memory of 2636	2564	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe	32
PID 2564 wrote to memory of 2636	2564	ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ac6d2f4cc84f2cfd05accac310d7d3a0_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\aotopptk.exe
  C:\Windows\system32\aotopptk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2592
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2636

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\ac6d2f4cc84f2cfd05accac310d7d3a0_JaffaCakes118.exe.bat

Filesize
210B

MD5
291275300891efde04a66cc6db0378d1

SHA1
f5d77d0cad3faaf9435f12aebe5038c769d1f9d2

SHA256
27ff6568036e0ee553cb8bbeff0447d333096f1e067a620c652eaf84f0f5c8ef

SHA512
21f144ecd903b5747467a54f2538a1e9bdfe3ad24344bea867e2393c35ffff3a52e1520636ed817a61bcfd2fb6f605d17f83520ff425b64e8332869efa73e401

Download Submit
\Windows\SysWOW64\aotopptk.exe

Filesize
11KB

MD5
ac6d2f4cc84f2cfd05accac310d7d3a0

SHA1
80f617ac7791ed7b38aa6f432e2fb501e422e23b

SHA256
04a0f1119d938cb8dcc14e2b28fa3f01b94c2bd8350ce61470ab04cb030bbaa9

SHA512
fda44154fb8ca71b72c499af22d727e38eec3ee6887a03fce45b6c52d6c6e243b38d410b7ace20db5830622df8728ab743d502a036457398299832aa2cd811a3

Download Submit
memory/2564-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2564-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2564-11-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/2592-13-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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