ac4309320ad7781fb63740c9f14c0c1de92e361ffb3c3b732229b37d1003a60f

Analysis

max time kernel
94s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 09:28

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General

Target

0540ee262e056952ed2e416963f8fa16_JaffaCakes118.exe
Size

72KB
MD5

0540ee262e056952ed2e416963f8fa16
SHA1

2b963250d767f02efc80fa0bde4d3944271ca724
SHA256

ac4309320ad7781fb63740c9f14c0c1de92e361ffb3c3b732229b37d1003a60f
SHA512

a6bbeb60a6a5d9d81abb15cb9a018413fd761d277f8b52e2f48d91eb3203ad8fdc47acb6b268ab93d8fd31afedb5151cf0fc73b89291fcbe8835c1a448c44016
SSDEEP

1536:/yZMSZFvknTePMZd4k4kJJmYRN6QcIAe1PYlcUTk:6ZMJnTeM4cJJmq1O/k

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4876	Au_.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	0540ee262e056952ed2e416963f8fa16_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x00070000000234ac-3.dat	nsis_installer_1
behavioral2/files/0x00070000000234ac-3.dat	nsis_installer_2

Modifies Internet Explorer settings 1 TTPs 37 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31134692"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000001bc9387f4f791b45af7c7e57591307f100000000020000000000106600000001000020000000444fdf499d519a24fc5efd7dc60686877fd5b41864d00f606e58566355391213000000000e80000000020000200000009e240658f28ec10611460822c71a4fb3ca6309f388c6172c4af2af2fcef8d03120000000156d68c5f600093bf46a4c9e23b7c8b298ef3f714d8bda19d2e2955e796a0e36400000004728e53e0b22cc3f773bbcc782337fee659a273b42152ff0b0b5c703932ba7ec980c5bdf96956c2cb79356b1976343e41b4846f1e09f23cdf35a134a756b0fa7	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0e76a6fe413db01	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31134692"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000001bc9387f4f791b45af7c7e57591307f10000000002000000000010660000000100002000000014acb6fb527e6b9df529a0ba7f4dabca2d784e746e45a6c26314c175b0a3ba7b000000000e8000000002000020000000db3487ea3834e1b3032282f47e186cf64640f0cf8e69d3860dd668b3177c4a8b20000000d6bdc4f724720899f962b46c04e0626567efdd9056a9e3d41c95d13dfc6fb90040000000141ff3aca04b99f150680d723d53cd60082c85e6d6c90f8d5dc7ebadc5cec3225e475fedf90b49f34e0054dea1eafff9a186941b7ff1bbfaacfaab3aea1d51d6	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 00bc636fe413db01	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1506936114"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1506936114"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8563B694-7FD7-11EF-BB4F-42C951A4D69F} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1509279995"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "434539885"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31134692"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4228	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4228	IEXPLORE.EXE
4228	IEXPLORE.EXE
1640	IEXPLORE.EXE
1640	IEXPLORE.EXE
1640	IEXPLORE.EXE
1640	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 4876	4480	0540ee262e056952ed2e416963f8fa16_JaffaCakes118.exe	82
PID 4480 wrote to memory of 4876	4480	0540ee262e056952ed2e416963f8fa16_JaffaCakes118.exe	82
PID 4480 wrote to memory of 4876	4480	0540ee262e056952ed2e416963f8fa16_JaffaCakes118.exe	82
PID 4876 wrote to memory of 2068	4876	Au_.exe	83
PID 4876 wrote to memory of 2068	4876	Au_.exe	83
PID 4876 wrote to memory of 2068	4876	Au_.exe	83
PID 2068 wrote to memory of 4228	2068	iexplore.exe	84
PID 2068 wrote to memory of 4228	2068	iexplore.exe	84
PID 4228 wrote to memory of 1640	4228	IEXPLORE.EXE	85
PID 4228 wrote to memory of 1640	4228	IEXPLORE.EXE	85
PID 4228 wrote to memory of 1640	4228	IEXPLORE.EXE	85

C:\Users\Admin\AppData\Local\Temp\0540ee262e056952ed2e416963f8fa16_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0540ee262e056952ed2e416963f8fa16_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe" http://www.yxdown.com/feadback.html
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2068
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.yxdown.com/feadback.html
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4228
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4228 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

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:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
3581a0e6b4a2481b0d17c98cea4c6ba1

SHA1
f55e51abdb6324ae363802235297914a053947ec

SHA256
a904ea3ed03f1568aaea366c859b6f0610d0e47ccd5725c20132d3c10e11188d

SHA512
f9ea3d2712ca7ebb9c5826de7a89c59c7b2a50759baa83cf04fce4234d59e94d251560ab9e3bb845715ce54bc65187297eac9f73ad93adf034bca591cab3ab24

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
24cc3f2809de83b94d2c9b2482fb7f68

SHA1
dd887e27992c54649a6adeeb559b236d5dc1352c

SHA256
84176d816404b05d376a6ae324e42aa000caf3cd7681b804e089c06b15b1285d

SHA512
4760d1796a1f70b0f15f17be54b577a7ad6becd65a355c08f1ca192d66dfe04d03e3ce107c14168325aecb80297062ec3073a1881b0c2d3f7024769e4de57ffa

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\G40JFEW9\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
72KB

MD5
0540ee262e056952ed2e416963f8fa16

SHA1
2b963250d767f02efc80fa0bde4d3944271ca724

SHA256
ac4309320ad7781fb63740c9f14c0c1de92e361ffb3c3b732229b37d1003a60f

SHA512
a6bbeb60a6a5d9d81abb15cb9a018413fd761d277f8b52e2f48d91eb3203ad8fdc47acb6b268ab93d8fd31afedb5151cf0fc73b89291fcbe8835c1a448c44016

Download Submit