745ddf1063c392ab795ea3d2bb98a078913b696328076f243efcd612bc96e45b

General

Target

d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe
Size

41KB
MD5

d44295c3edc3b5f3ae03a1d0e19559d9
SHA1

037ad205a796b011095564681f937cda3744f24e
SHA256

745ddf1063c392ab795ea3d2bb98a078913b696328076f243efcd612bc96e45b
SHA512

3c5088c7d89fbe054edd6c1327cdfe0f10c6da26b8470dbb4bee10d82d737de2ef950ee54d8040b280b3dd10df1c4f5c78cf2e7fbff1b9216b783bd7a2866ee6
SSDEEP

768:eyX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIoT2YiaOEbZXG0dsFqV5HG:egKcR4mjD9r82pZxyZXG2scbG

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2604	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
behavioral1/memory/3060-0-0x00000000012C0000-0x00000000012D7000-memory.dmp	upx
behavioral1/files/0x0007000000018705-10.dat	upx
behavioral1/memory/2604-11-0x0000000001100000-0x0000000001117000-memory.dmp	upx
behavioral1/memory/3060-9-0x00000000012C0000-0x00000000012D7000-memory.dmp	upx
behavioral1/files/0x000a000000012233-105.dat	upx
behavioral1/memory/2604-107-0x0000000001100000-0x0000000001117000-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"	d44295c3edc3b5f3ae03a1d0e19559d9_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	CTS.exe
File created	C:\Windows\CTS.exe	d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3060	d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe
Token: SeDebugPrivilege	2604	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2604	3060	d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe	29
PID 3060 wrote to memory of 2604	3060	d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe	29
PID 3060 wrote to memory of 2604	3060	d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe	29
PID 3060 wrote to memory of 2604	3060	d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3060
- 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:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\mHGgtl4kKoBmfNf.exe

Filesize
41KB

MD5
b254ec8de00968c1ac60330764dd33db

SHA1
c423df6b696601bacf16c0f767c6d9ed6fcf673c

SHA256
37efeaea6ff02dd83beb45e13e5cbadfeb971f5a2ae00f65f3f222cc79d1e054

SHA512
d6a277fa3028eac0504751d6bcdca0417c8d94b82cddea94a6d7e8a3c6caf111821238c254c18f14a1e798d60a35f4c121059bc171f08c43d169fd0c9bd2f413

Download Submit
C:\Windows\CTS.exe

Filesize
28KB

MD5
e6150447c894ade7b2b9ee88d5933922

SHA1
dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

SHA256
b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

SHA512
d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

Download Submit
memory/2604-11-0x0000000001100000-0x0000000001117000-memory.dmp

Filesize
92KB

Download
memory/2604-107-0x0000000001100000-0x0000000001117000-memory.dmp

Filesize
92KB

Download
memory/3060-0-0x00000000012C0000-0x00000000012D7000-memory.dmp

Filesize
92KB

Download
memory/3060-9-0x00000000012C0000-0x00000000012D7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads