18f34e8fc05478f8d3eab56c4597b4c48f99b6ebcb74e3aed81febb3e9320329

Analysis

max time kernel
136s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26-07-2024 14:21

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General

Target

746bef01056a1e390de4dd05730df6a8_JaffaCakes118.exe
Size

459KB
MD5

746bef01056a1e390de4dd05730df6a8
SHA1

810da31e3cc8a0e801031e832a7ce41f80353a60
SHA256

18f34e8fc05478f8d3eab56c4597b4c48f99b6ebcb74e3aed81febb3e9320329
SHA512

9614f5d2a66599ed6c9a4f8ef3d4d2b616a826ad98ffdbece972630abb506ffdf1877bdd0150fec8f2a4dc9cae9f39f73d509024cfe7437be8200ddd017cdc0a
SSDEEP

6144:U+7CcSJzOGT/2oHnsUTMyXxavz4+aG1Wj8FcNMcFxXz7Rj75SodSA95rZEu/VA8d:hCjmzcFh3SzA95Nx/SnMuvMcNo2q

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4944	Icivea.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4600-0-0x0000000000400000-0x0000000000474000-memory.dmp	upx
behavioral2/memory/4600-1-0x0000000000400000-0x0000000000474000-memory.dmp	upx
behavioral2/files/0x000300000001e6fd-11.dat	upx
behavioral2/memory/4944-15-0x0000000000400000-0x0000000000474000-memory.dmp	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	746bef01056a1e390de4dd05730df6a8_JaffaCakes118.exe
File created	C:\Windows\Icivea.exe	746bef01056a1e390de4dd05730df6a8_JaffaCakes118.exe
File opened for modification	C:\Windows\Icivea.exe	746bef01056a1e390de4dd05730df6a8_JaffaCakes118.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Icivea.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Icivea.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	746bef01056a1e390de4dd05730df6a8_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
335324	4944	WerFault.exe	89

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	746bef01056a1e390de4dd05730df6a8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Icivea.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Internet Explorer\Main	Icivea.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe
4944	Icivea.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4600	746bef01056a1e390de4dd05730df6a8_JaffaCakes118.exe
4944	Icivea.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 4944	4600	746bef01056a1e390de4dd05730df6a8_JaffaCakes118.exe	89
PID 4600 wrote to memory of 4944	4600	746bef01056a1e390de4dd05730df6a8_JaffaCakes118.exe	89
PID 4600 wrote to memory of 4944	4600	746bef01056a1e390de4dd05730df6a8_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\746bef01056a1e390de4dd05730df6a8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\746bef01056a1e390de4dd05730df6a8_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4600
- C:\Windows\Icivea.exe
  C:\Windows\Icivea.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 816
    3⤵
    - Program crash
    PID:335324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4944 -ip 4944
1⤵
PID:335244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Icivea.exe

Filesize
459KB

MD5
746bef01056a1e390de4dd05730df6a8

SHA1
810da31e3cc8a0e801031e832a7ce41f80353a60

SHA256
18f34e8fc05478f8d3eab56c4597b4c48f99b6ebcb74e3aed81febb3e9320329

SHA512
9614f5d2a66599ed6c9a4f8ef3d4d2b616a826ad98ffdbece972630abb506ffdf1877bdd0150fec8f2a4dc9cae9f39f73d509024cfe7437be8200ddd017cdc0a

Download Submit
C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

Filesize
390B

MD5
20a70ac442deed770c55708673afc9e8

SHA1
82ed72c714142c31a6c5e74ee4de401f546ed4de

SHA256
ad21fa7bd9d9fefb6812e762100772e1875b83e1d8999e4cf21b33243dfa1ed0

SHA512
99d4bcae14cca42779a1d367a569811cae7740f030f51e041116b1f727d7cab2f53803cc60600668e7579c1666b8366fff8c05e47c81a8508b2461bd56ff91a7

Download Submit
memory/4600-3-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/4600-0-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/4600-4-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/4600-7-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4600-2-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download
memory/4600-1-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/4600-140433-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4944-15-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/4944-21-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/4944-20-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/4944-25-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4944-140435-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download