0f3bfdf1fccfa3d80af6edb597a5071099825be60264c230a0da29ca49dfd31a

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 15:18

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General

Target

63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe
Size

13.4MB
MD5

63c2d776c48ff1228b12812719c3f2bb
SHA1

b8cf9f9e401f51fe966748df947970ff48f951f4
SHA256

0f3bfdf1fccfa3d80af6edb597a5071099825be60264c230a0da29ca49dfd31a
SHA512

394c6791509723807fd197d20e374f4fd119dfd762ca199aa4310b0778f2a5ddc4d459065e616840f4eb71ffce9c99dd22cacc1dc2b53ad19e3f69b6b933d442
SSDEEP

393216:FpAzXLKi/KForUnnXFwtAdPUqJyBTIm1GQvm:FpAfnlAnXFBdPU4yT1GQvm

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2788	InstallTools.exe
3016	bytefence-installer-5.5.0.7.exe

Loads dropped DLL 4 IoCs

pid	Process
2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe
2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe
3016	bytefence-installer-5.5.0.7.exe
3016	bytefence-installer-5.5.0.7.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral1/files/0x0030000000016ce4-6.dat	nsis_installer_1
behavioral1/files/0x0030000000016ce4-6.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3016	bytefence-installer-5.5.0.7.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2788	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	28
PID 2916 wrote to memory of 2788	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	28
PID 2916 wrote to memory of 2788	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	28
PID 2916 wrote to memory of 2788	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	28
PID 2916 wrote to memory of 2788	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	28
PID 2916 wrote to memory of 2788	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	28
PID 2916 wrote to memory of 2788	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	28
PID 2916 wrote to memory of 3016	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	29
PID 2916 wrote to memory of 3016	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	29
PID 2916 wrote to memory of 3016	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	29
PID 2916 wrote to memory of 3016	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	29
PID 2916 wrote to memory of 3016	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	29
PID 2916 wrote to memory of 3016	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	29
PID 2916 wrote to memory of 3016	2916	63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Local\Temp\InstallTools.exe
  "C:\Users\Admin\AppData\Local\Temp\InstallTools.exe" "C:\Users\Admin\AppData\Local\Temp\63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe" Software\ByteFence INSNDE "C:\Users\Admin\AppData\Local\Temp\63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe" /mode=s /url=logs.bytefence.com/event /product=Bytefence
  2⤵
  - Executes dropped EXE
  PID:2788
- C:\Users\Admin\AppData\Local\Temp\bytefence-installer-5.5.0.7.exe
  "C:\Users\Admin\AppData\Local\Temp\bytefence-installer-5.5.0.7.exe" /LM=3 /INSTEX /cd=12345 /thankyou /IGNORE="C:\Users\Admin\AppData\Local\Temp\63c2d776c48ff1228b12812719c3f2bb_JaffaCakes118.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\InstallTools.exe

Filesize
274KB

MD5
7bfcafbcc8ee124ce3ea6b098105865a

SHA1
f404c9a50e0740e465106321012c3b7859c999dc

SHA256
d7ffd96c98cdcd1bacbe7542b403d60a8b700ab8305de02738f1f1c2d98aa71f

SHA512
02b873be813abc8a50b882bed60ad2c57ad6cba8f83984c30d2ca0b5dba6c5b6427d44626bd2689e179bff539160b78b3ff6b604d1d134a147e41c9861b1600c

Download Submit
\Users\Admin\AppData\Local\Temp\bytefence-installer-5.5.0.7.exe

Filesize
13.2MB

MD5
bd660f5e0f39dd05d5eefff4ce65c017

SHA1
956847325b76f4f02c8803f71204f4c747823ea2

SHA256
223ab46425284dd4ae73f8e7ad478eca6a0dcb4902cbc2f203b73b7cfe0da90b

SHA512
4fb02afb13c67c3d99cb0b183ca20ede069fb7a92cacd2f9bc73891e05a51bd6bd3ca2988fb71813444f9c9853ab8ad42193b234d5d0a60ca6a63355b51c0469

Download Submit
\Users\Admin\AppData\Local\Temp\nsd251E.tmp\System.dll

Filesize
11KB

MD5
fbe295e5a1acfbd0a6271898f885fe6a

SHA1
d6d205922e61635472efb13c2bb92c9ac6cb96da

SHA256
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

SHA512
2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

Download Submit
\Users\Admin\AppData\Local\Temp\nsd251E.tmp\nsDialogs.dll

Filesize
9KB

MD5
ab101f38562c8545a641e95172c354b4

SHA1
ec47ac5449f6ee4b14f6dd7ddde841a3e723e567

SHA256
3cdf3e24c87666ed5c582b8b028c01ee6ac16d5a9b8d8d684ae67605376786ea

SHA512
72d4b6dc439f40b7d68b03353a748fc3ad7ed10b0401741c5030705d9b1adef856406075e9ce4f1a08e4345a16e1c759f636c38ad92a57ef369867a9533b7037

Download Submit