30b44b7542a96d803e6b7d72772d68d82501faa8eea790e64b235235311ddfc1

Analysis

max time kernel
132s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2024, 16:53

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General

Target
bd95b7cce44fff8190737c4deed61800_JaffaCakes118.exe
Size 128KB
Sample240404-vd71yach8t
SHA256 30b44b7542a96d803e6b7d72772d68d82501faa8eea790e64b235235311ddfc1
MD5 bd95b7cce44fff8190737c4deed61800
SHA1 da331d4978397319562e89e7c4cb596144774270
SHA512 e6d0b802d305d1c07078df4f8a334c85ffebf335602617c951246e398d51988709af41b70c3dad9acc2d2515e8d8de64a30deda2771daf1a593e0f1a3ac75bce
SSDEEP 3072:4IUNLds6vVGI/WaSEQAhzP1CUpCoHJLcIOcqnSEQAhzP1:szsCGI/WaSEphzP1BpjJ73qnSEphzP1
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2240	outlook.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\sys32.exe"	bd95b7cce44fff8190737c4deed61800_JaffaCakes118.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\crc32.cfg	outlook.exe
File created	C:\Windows\sys32.exe	bd95b7cce44fff8190737c4deed61800_JaffaCakes118.exe
File created	C:\Windows\outlook.exe	bd95b7cce44fff8190737c4deed61800_JaffaCakes118.exe
File opened for modification	C:\Windows\outlook.exe	bd95b7cce44fff8190737c4deed61800_JaffaCakes118.exe
File opened for modification	C:\Windows\sys32.exe	bd95b7cce44fff8190737c4deed61800_JaffaCakes118.exe
File opened for modification	C:\Windows\outlook.cfg	outlook.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3192	2240	WerFault.exe	94

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3816 wrote to memory of 2240	3816	bd95b7cce44fff8190737c4deed61800_JaffaCakes118.exe	94
PID 3816 wrote to memory of 2240	3816	bd95b7cce44fff8190737c4deed61800_JaffaCakes118.exe	94
PID 3816 wrote to memory of 2240	3816	bd95b7cce44fff8190737c4deed61800_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\bd95b7cce44fff8190737c4deed61800_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bd95b7cce44fff8190737c4deed61800_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3816
- C:\Windows\outlook.exe
  C:\Windows\outlook.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 29988
    3⤵
    - Program crash
    PID:3192

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3692 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2240 -ip 2240
1⤵
PID:972

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

outlook.cfg

Path C:\Windows\outlook.cfg
Size 2KB
SHA256 06930ec14040823ba99338e0fa7142868c657698a6ec190f77bc28a812682682
MD5 0bc36942689c1a4dea1f595cb2a6f99e
SHA1 7e55547bc6bad12b1ff753fc0d9322bffcb985b2
SHA512 0b34f84a5e131a240ae04c8199d4be12248a88a5e171220624c8b00da175c2f99ea6a8ebe35c15286328b497c96832008da5d4fab0e9ecc7f35f5a85edc98e70
MD5 SHA1 SHA512

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outlook.cfg

Path C:\Windows\outlook.cfg
Size 737B
SHA256 fb19ea8c94938842730eadf0a95c744ed1f7b22be53bf4c21507004333425c5c
MD5 ff22b251e759ca8ca380781e4897fc0a
SHA1 23ae118ee6f9d299e8a6d3dea8c711245a9e7a91
SHA512 7ba52429bab54b7f51dfb01e4bfa354bb39a2b7eacfd24550747d9cb416b5e6360710714ee5d5536c929e170e4ad29e6a97b232de18cd3d814117f1df7059158
MD5 SHA1 SHA512

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outlook.cfg

Path C:\Windows\outlook.cfg
Size 1KB
SHA256 139ffc13f5821ce54b8df2d099e279ebeca14ab73c4ce2438082319645067bc6
MD5 7eedd08ae4bb030faae3650130328321
SHA1 3257c3d2e018dd23434b48e3c0767b3e179e25ff
SHA512 2ca7fab65db2486275c680a6af6e450b6b084a558ba048c6d0966846fc14e6a1878613034474991130bc74ae0d41eea3b5cbf4aecb2a278739a5971d513d6117
MD5 SHA1 SHA512

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outlook.exe

Path C:\Windows\outlook.exe
Size 49KB
SHA256 96b9c4ead67d03eb2c69103a983274e013e3466e80d8f95bd7cf3aea8be05b28
MD5 0e9379e357aba95f8b9883af9b67675e
SHA1 280a174a414e5b8588f42b6328af2c8c8ff4394f
SHA512 6cc383806882729cd889b025802ac0d5e1c55a74b3e7d7c98932644e8802fe52b5b14a886eff70ab7deaa70fb60bb9898e55b5cd83b5b99e2a2d107dce367784
SSDEEP 768:YtpL9eEj+w9vvidJyZJDe4dqEk0PiXSe0mxMr68eVniVUCosm/mzT1fHyVQh2e:FOZ9vQqDe4dPkjpBV8eVniVHm0dl
MD5 SHA1 SHA512 SSDEEP

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memory/2240-84-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2240-111-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2240-15-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2240-83-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2240-129-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2240-85-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2240-98-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2240-100-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2240-101-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2240-105-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2240-20-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2240-112-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2240-128-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/3816-8-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/3816-0-0x0000000000400000-0x000000000040C000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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