31d278009f858fbb89476c9f689677010070902072fc5376857278c573cd8127

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/06/2024, 02:55

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General

Target

0234ff424adc84564c09d4bf12c637c4_JaffaCakes118.dll
Size

755KB
MD5

0234ff424adc84564c09d4bf12c637c4
SHA1

508b561f259ae41f161efa46083fa9781c738c35
SHA256

31d278009f858fbb89476c9f689677010070902072fc5376857278c573cd8127
SHA512

687a1d02ebb3482550f076fc6ab98293c7611e41c1475e3ee84abd2538e0961635029ba0e373dc792231425fe5b34e2f4259dd66a61ad4c09d30ba4e820fd749
SSDEEP

12288:uLozFoYl5OJ4KX1rFBVoP9x+0m5Wsr3SgyXIKcOzN+IldpxvhvviFbJgdm8TIxAo:uUJoYuJVfBy/+0JsZKcyrpxvh1UdOAuY

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{FCAAAC14-BC46-40CA-9CB2-CBB12C6739EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{FCAAAC14-BC46-40CA-9CB2-CBB12C6739EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{FCAAAC14-BC46-40CA-9CB2-CBB12C6739EB}\ = "Banco do Brasil S.A."	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCAAAC14-BC46-40CA-9CB2-CBB12C6739EB}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCAAAC14-BC46-40CA-9CB2-CBB12C6739EB}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCAAAC14-BC46-40CA-9CB2-CBB12C6739EB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0234ff424adc84564c09d4bf12c637c4_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCAAAC14-BC46-40CA-9CB2-CBB12C6739EB}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCAAAC14-BC46-40CA-9CB2-CBB12C6739EB}\ = "GbiehObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCAAAC14-BC46-40CA-9CB2-CBB12C6739EB}	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1352	regsvr32.exe
Token: SeSecurityPrivilege	1352	regsvr32.exe
Token: SeTakeOwnershipPrivilege	1352	regsvr32.exe
Token: SeLoadDriverPrivilege	1352	regsvr32.exe
Token: SeSystemProfilePrivilege	1352	regsvr32.exe
Token: SeSystemtimePrivilege	1352	regsvr32.exe
Token: SeProfSingleProcessPrivilege	1352	regsvr32.exe
Token: SeIncBasePriorityPrivilege	1352	regsvr32.exe
Token: SeCreatePagefilePrivilege	1352	regsvr32.exe
Token: SeShutdownPrivilege	1352	regsvr32.exe
Token: SeDebugPrivilege	1352	regsvr32.exe
Token: SeSystemEnvironmentPrivilege	1352	regsvr32.exe
Token: SeRemoteShutdownPrivilege	1352	regsvr32.exe
Token: SeUndockPrivilege	1352	regsvr32.exe
Token: SeManageVolumePrivilege	1352	regsvr32.exe
Token: 33	1352	regsvr32.exe
Token: 34	1352	regsvr32.exe
Token: 35	1352	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 1352	2120	regsvr32.exe	28
PID 2120 wrote to memory of 1352	2120	regsvr32.exe	28
PID 2120 wrote to memory of 1352	2120	regsvr32.exe	28
PID 2120 wrote to memory of 1352	2120	regsvr32.exe	28
PID 2120 wrote to memory of 1352	2120	regsvr32.exe	28
PID 2120 wrote to memory of 1352	2120	regsvr32.exe	28
PID 2120 wrote to memory of 1352	2120	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0234ff424adc84564c09d4bf12c637c4_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0234ff424adc84564c09d4bf12c637c4_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:1352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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