86a543d7a4f9e3cc8c01cdf446298d529ac516b9003baae2aa5373fca7210f40

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/04/2024, 16:36

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General

Target
d9054f5c4c8189a09c81ee01b46a72a9_JaffaCakes118.exe
Size 128KB
Sample240405-t4prlshe47
SHA256 86a543d7a4f9e3cc8c01cdf446298d529ac516b9003baae2aa5373fca7210f40
MD5 d9054f5c4c8189a09c81ee01b46a72a9
SHA1 3971b7044ebeb849e46e14c58413b58ca6134d46
SHA512 47102b20416998ef3ce6eeeafaad28e8633ebaf5c475cfa72be1a859e29f367abaf0e728fabb1db8b2f1a98b508ac28f1a4bcca35ce1149aac40d58b7b4ee612
SSDEEP 3072:zJSoDDy/FVwq3Yjv5SN/JHFo+DIGeUVzSMq3Yjv5SN/JHFo:zsMKwIHN/JH++DIGyMIHN/JH+
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2524	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"	d9054f5c4c8189a09c81ee01b46a72a9_JaffaCakes118.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\sys32.exe	d9054f5c4c8189a09c81ee01b46a72a9_JaffaCakes118.exe
File created	C:\Windows\outlook.exe	d9054f5c4c8189a09c81ee01b46a72a9_JaffaCakes118.exe
File opened for modification	C:\Windows\outlook.exe	d9054f5c4c8189a09c81ee01b46a72a9_JaffaCakes118.exe
File opened for modification	C:\Windows\sys32.exe	d9054f5c4c8189a09c81ee01b46a72a9_JaffaCakes118.exe
File opened for modification	C:\Windows\outlook.cfg	outlook.exe
File created	C:\Windows\crc32.cfg	outlook.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4304	2524	WerFault.exe	86

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 2524	4668	d9054f5c4c8189a09c81ee01b46a72a9_JaffaCakes118.exe	86
PID 4668 wrote to memory of 2524	4668	d9054f5c4c8189a09c81ee01b46a72a9_JaffaCakes118.exe	86
PID 4668 wrote to memory of 2524	4668	d9054f5c4c8189a09c81ee01b46a72a9_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\d9054f5c4c8189a09c81ee01b46a72a9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d9054f5c4c8189a09c81ee01b46a72a9_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4668
- C:\Windows\outlook.exe
  C:\Windows\outlook.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 29868
    3⤵
    - Program crash
    PID:4304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2524 -ip 2524
1⤵
PID:3880

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 997B
SHA256 ae55d589e000a0064738320c2c43022ea8c5985f5305786615f8d6a1ab0311ca
MD5 2531e9c6d510ca40a22cf038a9e132b1
SHA1 4c0ebd7794c61c088997a7b2b455d1fcc0519a4f
SHA512 f6bb178290eb5c4310c29335dce22d511120ecf779acfd965da23c929d612486f4125e81fb548109623d6a4ae7e14b060e3f92f3e857d586ba7637da34712306
MD5 SHA1 SHA512

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outlook.cfg

Path C:\Windows\outlook.cfg
Size 924B
SHA256 9e77e9f4153ce277422caaf56ff481000d5c126d6f0a3bf0ad210ad2a1a0a497
MD5 aa9c5a119d026b84c63fdfc784b74e81
SHA1 1219037d3a858c1f9ac27b78dd2b8b578b427f2f
SHA512 6a5dd59ad0cf972ce63c5e93bcfe678c5c65ce9268ec8d9a185e70e2bc36c55fa9365b8e059e77fcbdbb5825e669d798d7303cfa029e9ec56dc1e236b5ee1da3
MD5 SHA1 SHA512

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outlook.cfg

Path C:\Windows\outlook.cfg
Size 1KB
SHA256 f0d09e4e23a442fd98e08fd135a0ee51e0484327da5c5c5bf773c9f9143fdec9
MD5 4799c33dc1ebae613146547cc836c503
SHA1 7b8d76b1f29bb04c5bf61e4b6a30581b5d513074
SHA512 d2a47099b3048ec8adec64691ada25122af645ea3ba126c6dcd5086a3b1c988b6716c2cb4dbb37ca2aa23169972bca27f81b1c52d1252fe901dda24287516959
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/2524-102-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2524-118-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/4668-0-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/4668-18-0x0000000000400000-0x000000000040C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads