b81a7df95cb2adaadac50b289596bfdd993b8bd88ecb69247c45dac4d873e96a

Analysis

max time kernel
94s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:03

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General

Target

81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
Size

37KB
MD5

81c3f3969b5b480a96d65db7b5064a18
SHA1

55c328279f94a0ded3356a9b878aac07c7f0b3e1
SHA256

b81a7df95cb2adaadac50b289596bfdd993b8bd88ecb69247c45dac4d873e96a
SHA512

5fcd31e0cb6c9f7d19a8bc1804d590e558a4e260ff9dc7dbc668a776ea3e67911d38414d94cfbc6a4d54dfb56f529ba57e41c6ec34dda162c645632821030b50
SSDEEP

768:OMALvzQQzK6+mAm+fMCvM5Qg6KM7ZrgZQK7rexCkDjT1+skY:OBvzQyjHWwQh4QKGxCSjTZ

Score

8^/10

discovery persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\dlnajjbdfa = "C:\\Windows\\system\\llwzjy081018.exe"	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\Control Panel\International\Geo\Nation	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\system\llwzjy081018.exe	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
File opened for modification	C:\Windows\system\llwzjy081018.exe	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
File opened for modification	C:\Windows\system\mvjaj32dla.dll	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
File created	C:\Windows\system\mvjaj32dla.dll	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1016	PING.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31122518"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "no"	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1304261582"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31122518"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31122518"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1300042890"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1300042890"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "429311171"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{79269BAB-5049-11EF-B921-4E1E2FAD2AAC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1016	PING.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
Token: SeDebugPrivilege	1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
Token: SeDebugPrivilege	1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
Token: SeDebugPrivilege	1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
468	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
468	iexplore.exe
468	iexplore.exe
3576	IEXPLORE.EXE
3576	IEXPLORE.EXE
3576	IEXPLORE.EXE
3576	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 468	1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe	86
PID 1440 wrote to memory of 468	1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe	86
PID 468 wrote to memory of 3576	468	iexplore.exe	87
PID 468 wrote to memory of 3576	468	iexplore.exe	87
PID 468 wrote to memory of 3576	468	iexplore.exe	87
PID 1440 wrote to memory of 468	1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe	86
PID 1440 wrote to memory of 2352	1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe	88
PID 1440 wrote to memory of 2352	1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe	88
PID 1440 wrote to memory of 2352	1440	81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe	88
PID 2352 wrote to memory of 1016	2352	cmd.exe	90
PID 2352 wrote to memory of 1016	2352	cmd.exe	90
PID 2352 wrote to memory of 1016	2352	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81c3f3969b5b480a96d65db7b5064a18_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440
- C:\program files\internet explorer\iexplore.exe
  "C:\program files\internet explorer\iexplore.exe"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:468
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:468 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:3576
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\dfDelmlljy.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1IHQ3R7P\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\dfDelmlljy.bat

Filesize
233B

MD5
748c457c35bdd64e7e0eda1356837767

SHA1
95497d2240b2c8e35796dde9c380daa65b69eae7

SHA256
33ea52b67fc5a556340085e5c99ca8d867a027933575216061eeab7533313a51

SHA512
858e82603bc86b0739201121c4b8ad3ea14d9e60c5c9a0109b0eb63863f2659c9ff8523188dfd6353a85d385042d954a0f0a32ecfc5c6d0cc3bd6f7c3a48c6d9

Download Submit