35865e62887eab928ecf4c9f75a667a44c7d2caa1fed3b6481c49bdc97d515a1

Analysis

max time kernel
141s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09-04-2024 08:12

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General

Target

e98a5a1220529fca8d9a810586e328e5_JaffaCakes118.exe
Size

59KB
MD5

e98a5a1220529fca8d9a810586e328e5
SHA1

e0e0ab317e3819cdd2e9c83abeb0983e6d503d5e
SHA256

35865e62887eab928ecf4c9f75a667a44c7d2caa1fed3b6481c49bdc97d515a1
SHA512

5a1cb1de82e18ed549676ef390810501c251d198df06403a15514a1cdba0f206ebc366ec463f554cf4351da9eff14e3ceeb1d11a046fa3f31e150ff35925785c
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z3U:SKcR4mjD9r823FHKcR4mjD9r823Ff

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3472	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/2028-0-0x00000000000B0000-0x00000000000C7000-memory.dmp	upx
behavioral2/files/0x00080000000231fc-6.dat	upx
behavioral2/memory/2028-7-0x00000000000B0000-0x00000000000C7000-memory.dmp	upx
behavioral2/memory/3472-9-0x00000000000A0000-0x00000000000B7000-memory.dmp	upx
behavioral2/files/0x000900000002303f-12.dat	upx
behavioral2/files/0x00080000000231f9-30.dat	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"	e98a5a1220529fca8d9a810586e328e5_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	e98a5a1220529fca8d9a810586e328e5_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2028	e98a5a1220529fca8d9a810586e328e5_JaffaCakes118.exe
Token: SeDebugPrivilege	3472	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 3472	2028	e98a5a1220529fca8d9a810586e328e5_JaffaCakes118.exe	86
PID 2028 wrote to memory of 3472	2028	e98a5a1220529fca8d9a810586e328e5_JaffaCakes118.exe	86
PID 2028 wrote to memory of 3472	2028	e98a5a1220529fca8d9a810586e328e5_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\e98a5a1220529fca8d9a810586e328e5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e98a5a1220529fca8d9a810586e328e5_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028
- 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:3472

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
382KB

MD5
33f58a35bc4f87f046ec5b2a6a78ecb9

SHA1
845b885c20b1259dbf9f1a401c811ec1d31b0ce6

SHA256
721d72006943f6406f2a0fc344c42d6e8e947968ed1d36d7002f81e6174789e3

SHA512
190ca784c228a73939704d6332e1d1774c2890517a9c5e710acff9f76d119856ed2b1b1be1c11c527a0d45d068f16039d7079bda3a5c8850098716e5429f26ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\k35s0LlpwRgux5J.exe

Filesize
59KB

MD5
008154bdbc59a00db53cbd8a46b62807

SHA1
a290279db8466f79077d9f96e92aca7d1c86af4e

SHA256
4560ebc56278b6ec585533a4bc2cd0810f7bdfa7c1b14c314749b8e274852c40

SHA512
8b44609a850f363a1e2b0020ad91449e7a863c1088df5bbc414e931a44230529c6d55d8c822a9f2363decbc67ee22d6c14fbb64e7ea86dce6498b512e2450e26

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/2028-0-0x00000000000B0000-0x00000000000C7000-memory.dmp

Filesize
92KB

Download
memory/2028-7-0x00000000000B0000-0x00000000000C7000-memory.dmp

Filesize
92KB

Download
memory/3472-9-0x00000000000A0000-0x00000000000B7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads