fbee97a750570f256f5b6bebd2eeb2c18a82cff949c26bcb6f9a4be49d4abf62

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2024, 11:28

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General

Target

e75a8c45932d78045c80dc39519ac563_JaffaCakes118.exe
Size

126KB
MD5

e75a8c45932d78045c80dc39519ac563
SHA1

3ed5646ed7ced164da899365ff0315e77d8f20ee
SHA256

fbee97a750570f256f5b6bebd2eeb2c18a82cff949c26bcb6f9a4be49d4abf62
SHA512

573f736d33d82cbfe2c2ef53341b0be05cadd7d17b5fa6cff82e2c6dc2e0b29a980b8336587e3868fb0945578b160d1293646877cc80f013513df933c11cf425
SSDEEP

3072:SKcWmjRrz3ZKcWmjRrz3LAo27wsQ6VHAIoXf9iRN:hGyGsFW61t2MN

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3084	251W2pEf2ftF2fI.exe
1092	CTS.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

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4292-0-0x00000000003E0000-0x00000000003F7000-memory.dmp	upx
behavioral2/memory/4292-7-0x00000000003E0000-0x00000000003F7000-memory.dmp	upx
behavioral2/files/0x000700000002320b-9.dat	upx
behavioral2/memory/1092-8-0x00000000000C0000-0x00000000000D7000-memory.dmp	upx
behavioral2/files/0x0003000000022768-13.dat	upx
behavioral2/memory/1092-30-0x00000000000C0000-0x00000000000D7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\CTS = "C:\\Windows\\CTS.exe"	e75a8c45932d78045c80dc39519ac563_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	e75a8c45932d78045c80dc39519ac563_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4292	e75a8c45932d78045c80dc39519ac563_JaffaCakes118.exe
Token: SeDebugPrivilege	1092	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 3084	4292	e75a8c45932d78045c80dc39519ac563_JaffaCakes118.exe	86
PID 4292 wrote to memory of 3084	4292	e75a8c45932d78045c80dc39519ac563_JaffaCakes118.exe	86
PID 4292 wrote to memory of 3084	4292	e75a8c45932d78045c80dc39519ac563_JaffaCakes118.exe	86
PID 4292 wrote to memory of 1092	4292	e75a8c45932d78045c80dc39519ac563_JaffaCakes118.exe	88
PID 4292 wrote to memory of 1092	4292	e75a8c45932d78045c80dc39519ac563_JaffaCakes118.exe	88
PID 4292 wrote to memory of 1092	4292	e75a8c45932d78045c80dc39519ac563_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\e75a8c45932d78045c80dc39519ac563_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e75a8c45932d78045c80dc39519ac563_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Users\Admin\AppData\Local\Temp\251W2pEf2ftF2fI.exe
  C:\Users\Admin\AppData\Local\Temp\251W2pEf2ftF2fI.exe
  2⤵
  - Executes dropped EXE
  PID:3084
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:1092

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

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
381KB

MD5
aa080e5e70c077459612b31d2ae1301a

SHA1
5801463080e4544152d6a3cc6f5d8208e3d63d4d

SHA256
5aff9b5afd7730a427987f727b9346fd7687494ccd86aefbe93fcdc940e4e20e

SHA512
fa7997174f2b3e49cbf0764595c878fec02c62acaf7011a5f092c36890635fd38a8d2d1813beadafa601e2bee7cd78323c7c5fcee086f3796bee2c4d61ee366e

Download Submit
C:\Users\Admin\AppData\Local\Temp\251W2pEf2ftF2fI.exe

Filesize
67KB

MD5
50e9d1438f14e3e345db6b9f15473be0

SHA1
20b511d23f4df169b10d6cd022e90b3441af038a

SHA256
6852f4faa2d0ae8be06c198c40875c9ecc466c2da9f6899b6d1f80e7df80b5e9

SHA512
65dcd5c3ee197727beef8c5bfef4073d9ed93c6662827721310dcbc0ea02c8334dbe42a47a2aee1cbe35a2943d6518c93a1d77325e58ad74cb93828b6c691ea9

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/1092-8-0x00000000000C0000-0x00000000000D7000-memory.dmp

Filesize
92KB

Download
memory/1092-30-0x00000000000C0000-0x00000000000D7000-memory.dmp

Filesize
92KB

Download
memory/4292-0-0x00000000003E0000-0x00000000003F7000-memory.dmp

Filesize
92KB

Download
memory/4292-7-0x00000000003E0000-0x00000000003F7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads