72f48f313a47288e4d2e55adc0d98a760734cdb0c77c96f12bcfaa5e55421642

Analysis

max time kernel
141s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10-04-2024 22:00

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General

Target

ec15551f46b48678197363fc24356774_JaffaCakes118.exe
Size

48KB
MD5

ec15551f46b48678197363fc24356774
SHA1

17a2cd4378c786a89194fae4b21d5d5f4bcbfff0
SHA256

72f48f313a47288e4d2e55adc0d98a760734cdb0c77c96f12bcfaa5e55421642
SHA512

39ef2860efcc9e82e2775ee6c2ac1f189c7f25acca52d8b1ea7215e9d7091692de0eeaf009c70c1a5a4cc702ebbd9ea4b7e81535867e38eca707e3c0937ab6d7
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFxxzD7bYREquOeqMFc53:SKcR4mjD9r823FbzvMKXOeoPzgCHR3

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4160	UE2SBKitlrTY8w3.exe
1908	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 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4116-0-0x0000000000410000-0x0000000000427000-memory.dmp	upx
behavioral2/files/0x00080000000231fe-6.dat	upx
behavioral2/memory/1908-9-0x0000000000170000-0x0000000000187000-memory.dmp	upx
behavioral2/memory/4116-8-0x0000000000410000-0x0000000000427000-memory.dmp	upx
behavioral2/files/0x000a00000002305c-13.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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	ec15551f46b48678197363fc24356774_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	ec15551f46b48678197363fc24356774_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4116	ec15551f46b48678197363fc24356774_JaffaCakes118.exe
Token: SeDebugPrivilege	1908	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 4160	4116	ec15551f46b48678197363fc24356774_JaffaCakes118.exe	84
PID 4116 wrote to memory of 4160	4116	ec15551f46b48678197363fc24356774_JaffaCakes118.exe	84
PID 4116 wrote to memory of 1908	4116	ec15551f46b48678197363fc24356774_JaffaCakes118.exe	85
PID 4116 wrote to memory of 1908	4116	ec15551f46b48678197363fc24356774_JaffaCakes118.exe	85
PID 4116 wrote to memory of 1908	4116	ec15551f46b48678197363fc24356774_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\ec15551f46b48678197363fc24356774_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec15551f46b48678197363fc24356774_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Users\Admin\AppData\Local\Temp\UE2SBKitlrTY8w3.exe
  C:\Users\Admin\AppData\Local\Temp\UE2SBKitlrTY8w3.exe
  2⤵
  - Executes dropped EXE
  PID:4160
- 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:1908

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
352KB

MD5
3a61bc224faed3e63168972aa9adc344

SHA1
39ccf5fa0f9b2989836714674a308496cd05acf9

SHA256
6e29050c941e73fbbf8be4bc645d4a09749e4090a2c32d6246dff117b1a06c82

SHA512
0601118c450c18787468db5ae2f4a73a0bb5a7bf584ea045e1f168b68de26ed3dfd279f996c2791739af8a95aeadfc8cae61aabe4ebf93ba0f67a48c49e13388

Download Submit
C:\Users\Admin\AppData\Local\Temp\UE2SBKitlrTY8w3.exe

Filesize
18KB

MD5
3d02b1d79394fe13058ab40a0abfb133

SHA1
d6c2b092f1bc79a1b53975bc9b34a5a3c4529ba9

SHA256
41151a38436ceb8acaac016619e3eeb99b671cd13c024d6d8e91fa89b7697900

SHA512
0b312a77f3a422f695e8b7953f03db31941fd24540e7162221dc8fefcc323e16ef7cf3ce6f82dc1f7e8bd78214301b082de518878a803f989ab85485918e00bc

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1908-9-0x0000000000170000-0x0000000000187000-memory.dmp

Filesize
92KB

Download
memory/4116-0-0x0000000000410000-0x0000000000427000-memory.dmp

Filesize
92KB

Download
memory/4116-8-0x0000000000410000-0x0000000000427000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads