Analysis
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max time kernel
150s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
29/05/2024, 15:11
Static task
static1
Behavioral task
behavioral1
Sample
8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe
Resource
win10v2004-20240426-en
General
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Target
8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe
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Size
186KB
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MD5
8129f5c2ea12bcdb5692e51836a42e04
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SHA1
3786c64ddaba900425149737008311d61bc15498
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SHA256
fcb24a9cb3150900c86e239ddf537543f7a3e92d01da38f6ffd4106aecd7e29d
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SHA512
40eb6b8924ab396376d36dc7c8c0d09a0f6e3bb56b548020ec9f9490e27db88d9da7cbe20f8e69ef105b80948807300feb069692751934da6bc4d10b7a2369d8
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SSDEEP
3072:TQ/lV7kaoeogcqYeDHw30wi857goKkqglu09NPD5yLGVkaYG51eE3jEzS+NMmDbe:+3YYV07goKjgp9DUW71euYfdf/VGWOT5
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation 8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 2360 WScript.exe -
Executes dropped EXE 1 IoCs
pid Process 4520 cugcue.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\system32\\cugcue.exe" 8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\cugcue.exe 8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\cugcue.exe 8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\Local Settings 8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4708 wrote to memory of 2360 4708 8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe 90 PID 4708 wrote to memory of 2360 4708 8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe 90 PID 4708 wrote to memory of 2360 4708 8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8129f5c2ea12bcdb5692e51836a42e04_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\8065.vbs"2⤵
- Deletes itself
PID:2360
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C:\Windows\SysWOW64\cugcue.exeC:\Windows\SysWOW64\cugcue.exe1⤵
- Executes dropped EXE
PID:4520
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
500B
MD594886278d0f286b4386d17fd4a380edc
SHA136fb8ccc12c010cc9ddbeacef91b1b5fc3f92f40
SHA2563f2ac0f1ff88f7e493c78edc7d4090b248177c0643ee92c128e2160642ede786
SHA512ac87d89a1ce72236bebe791c5af9f03e2775ca38e894bffc43a4bd10fa06f0d2f11d5d062757039d2708689c6903d3b8cb272e7990469428cf07a67504b4f031
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Filesize
186KB
MD58129f5c2ea12bcdb5692e51836a42e04
SHA13786c64ddaba900425149737008311d61bc15498
SHA256fcb24a9cb3150900c86e239ddf537543f7a3e92d01da38f6ffd4106aecd7e29d
SHA51240eb6b8924ab396376d36dc7c8c0d09a0f6e3bb56b548020ec9f9490e27db88d9da7cbe20f8e69ef105b80948807300feb069692751934da6bc4d10b7a2369d8