e472e7a4d672ee5bf125545518f44497b83168249ba2792cc9387700c21f0e4f

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19-07-2024 18:31

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General

Target

5d26b7322dd4d8de4e8c2cb4e7f7d2f0_JaffaCakes118.exe
Size

407KB
MD5

5d26b7322dd4d8de4e8c2cb4e7f7d2f0
SHA1

1afb6fbc101ac1d40be9c59c85af838a6d556c3c
SHA256

e472e7a4d672ee5bf125545518f44497b83168249ba2792cc9387700c21f0e4f
SHA512

1f6f6fec9605bdbe91400d7426becbfd435ec6c2f6e5cddc2bbf00744c0932b8a864d75862083ab14e9e846c0caf397fb59976d57de1513be77fc75a58cc0bbb
SSDEEP

6144:Bxov71WpHywAjKZ9t3lfr6m2MObxyTliR4LhddBLG4F8k:77pHka3lp25X6hddVGQ

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
636	Mhunua.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2120-0-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/files/0x0007000000023441-10.dat	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	Mhunua.exe
File created	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	5d26b7322dd4d8de4e8c2cb4e7f7d2f0_JaffaCakes118.exe
File opened for modification	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	5d26b7322dd4d8de4e8c2cb4e7f7d2f0_JaffaCakes118.exe
File created	C:\Windows\Mhunua.exe	5d26b7322dd4d8de4e8c2cb4e7f7d2f0_JaffaCakes118.exe
File opened for modification	C:\Windows\Mhunua.exe	5d26b7322dd4d8de4e8c2cb4e7f7d2f0_JaffaCakes118.exe
File created	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	Mhunua.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
44100	636	WerFault.exe	89

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Main	Mhunua.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe
636	Mhunua.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2120	5d26b7322dd4d8de4e8c2cb4e7f7d2f0_JaffaCakes118.exe
636	Mhunua.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 636	2120	5d26b7322dd4d8de4e8c2cb4e7f7d2f0_JaffaCakes118.exe	89
PID 2120 wrote to memory of 636	2120	5d26b7322dd4d8de4e8c2cb4e7f7d2f0_JaffaCakes118.exe	89
PID 2120 wrote to memory of 636	2120	5d26b7322dd4d8de4e8c2cb4e7f7d2f0_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\5d26b7322dd4d8de4e8c2cb4e7f7d2f0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5d26b7322dd4d8de4e8c2cb4e7f7d2f0_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\Mhunua.exe
  C:\Windows\Mhunua.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 716
    3⤵
    - Program crash
    PID:44100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 636 -ip 636
1⤵
PID:44048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Mhunua.exe

Filesize
407KB

MD5
5d26b7322dd4d8de4e8c2cb4e7f7d2f0

SHA1
1afb6fbc101ac1d40be9c59c85af838a6d556c3c

SHA256
e472e7a4d672ee5bf125545518f44497b83168249ba2792cc9387700c21f0e4f

SHA512
1f6f6fec9605bdbe91400d7426becbfd435ec6c2f6e5cddc2bbf00744c0932b8a864d75862083ab14e9e846c0caf397fb59976d57de1513be77fc75a58cc0bbb

Download Submit
C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job

Filesize
390B

MD5
cab0636ca23fda3227bb8ee418fd5ac5

SHA1
89f2de20d410e8da96fdcb07a1dbae023125dc06

SHA256
1b71acb8a75364dbf0ffdc64027d90b0765349f39b800dd891da38afdb847ca1

SHA512
3693f722176c1ab372f04d361d533d2cf5243c2ed5d93ba1fa6ea5e445c269cf74abf5f1e7b4ef7cff629513458c69b4f4d00289bd86dc89c73532d6af77969d

Download Submit
memory/636-19-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/636-81528-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2120-0-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2120-1-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download
memory/2120-2-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2120-5-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2120-81521-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download