1a5b77447eda26135c8cad247813d427e3a5bdb4055c84674c47384f6f28c6b1

Analysis

max time kernel
115s
max time network
141s
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, 16:48

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General

Target
bd764a61823739b8f8aa60aa2211b616_JaffaCakes118.exe
Size 32KB
Sample240404-va4t4sdd95
SHA256 1a5b77447eda26135c8cad247813d427e3a5bdb4055c84674c47384f6f28c6b1
MD5 bd764a61823739b8f8aa60aa2211b616
SHA1 1ee52a42773cdce04553dfef31fb62a1351e894e
SHA512 56ba1a409b0c84ff09ac8041b16dd47dbce2a3e51d2dac2847c31cc1394123f53eb71c54048658900bdc716d72618af7865f5c328b44e7b3b13dd581c21830a6
SSDEEP 768:Y6kHmHzz6MP/AGkJdy0150WoqX4n1y6YChD4s9brED:/kgaGkJ754E2T9UD
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3152	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"	bd764a61823739b8f8aa60aa2211b616_JaffaCakes118.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\outlook.exe	bd764a61823739b8f8aa60aa2211b616_JaffaCakes118.exe
File opened for modification	C:\Windows\outlook.exe	bd764a61823739b8f8aa60aa2211b616_JaffaCakes118.exe
File opened for modification	C:\Windows\sys32.exe	bd764a61823739b8f8aa60aa2211b616_JaffaCakes118.exe
File opened for modification	C:\Windows\outlook.cfg	outlook.exe
File created	C:\Windows\crc32.cfg	outlook.exe
File created	C:\Windows\sys32.exe	bd764a61823739b8f8aa60aa2211b616_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1096	3152	WerFault.exe	93

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 3152	4604	bd764a61823739b8f8aa60aa2211b616_JaffaCakes118.exe	93
PID 4604 wrote to memory of 3152	4604	bd764a61823739b8f8aa60aa2211b616_JaffaCakes118.exe	93
PID 4604 wrote to memory of 3152	4604	bd764a61823739b8f8aa60aa2211b616_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\bd764a61823739b8f8aa60aa2211b616_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bd764a61823739b8f8aa60aa2211b616_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Windows\outlook.exe
  C:\Windows\outlook.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:3152
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 30508
    3⤵
    - Program crash
    PID:1096

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=2796 --field-trial-handle=2268,i,8796662530135712346,11409037572378858775,262144 --variations-seed-version /prefetch:8
1⤵
PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3152 -ip 3152
1⤵
PID:4988

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 be01166b50843742a5f2141004fa631d69fc3c2298b5da547250cce2c67471e3
MD5 c8de18c352839281ae3d96b09d3ccc98
SHA1 d7cd3eb9d27eda4157cbf050582842bcbc7ab24f
SHA512 93744988bcefe487d381df162e3d7593e8910028b09f10b439b58acf92611dc1f76638cc5162ed13681dd8517d5a1c02d100741b59210e68e6c670b3164b2d29
MD5 SHA1 SHA512

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outlook.cfg

Path C:\Windows\outlook.cfg
Size 1KB
SHA256 374868c43d77c1fb0463b0b9620685f55389280813bccb259a3b62af0e613e7e
MD5 0dfc02ad0c5920c2d4a77beb1cb9637d
SHA1 478bfb0fe98c78922a0c3e07be01d68f40278ee6
SHA512 f21296fb5e44ea482516a93df608c7cfd68bc2280c5472e17994d9d6f5f8395db1b8a2e42bc6da541b7acddd6b16c5448888bee510ca5273e0aa5991a59a74e0
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/3152-82-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/3152-83-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/3152-84-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/3152-98-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/3152-107-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/3152-123-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/4604-0-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/4604-8-0x0000000000400000-0x000000000040C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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