6685e65af7eef43313870f946aad404f6405b7abb3fafe9db495f987cf330f1e

General

Target

524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe
Size

1.8MB
MD5

524515bcbb189d94ae0a3b48fa8f1622
SHA1

fb5fa3b9341a22981b150cc0fae0a24fddad5ed1
SHA256

6685e65af7eef43313870f946aad404f6405b7abb3fafe9db495f987cf330f1e
SHA512

a6917d2c44ae6f84fe6ac0fa3dae8de7fde9aad56742a33a611bf79375a3dab5c539084f415f5f7c69ac61c62e4610d5285dfa7900686f022e0a4f33435165c3
SSDEEP

49152:S92nADrGFOsHJMdwvluzYLq1NE1ACwKbaShgnqzVfVRzWC:iiFD68u0GU1RnhhgnIVt4C

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1932	6j5urvabTo2WdbT.exe
2388	CTS.exe
2160	6j5urvabTo2WdbT.exe

Loads dropped DLL 2 IoCs

pid	Process
2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe
1932	6j5urvabTo2WdbT.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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"	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2980-0-0x00000000012B0000-0x00000000012C7000-memory.dmp	upx
behavioral1/files/0x0017000000018657-19.dat	upx
behavioral1/memory/2980-23-0x00000000012B0000-0x00000000012C7000-memory.dmp	upx
behavioral1/memory/2388-22-0x0000000000800000-0x0000000000817000-memory.dmp	upx
behavioral1/memory/2980-14-0x00000000000E0000-0x00000000000F7000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6j5urvabTo2WdbT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6j5urvabTo2WdbT.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main	6j5urvabTo2WdbT.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	6j5urvabTo2WdbT.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	6j5urvabTo2WdbT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe
Token: SeDebugPrivilege	2388	CTS.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2160	6j5urvabTo2WdbT.exe
2160	6j5urvabTo2WdbT.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 1932	2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe	30
PID 2980 wrote to memory of 1932	2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe	30
PID 2980 wrote to memory of 1932	2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe	30
PID 2980 wrote to memory of 1932	2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe	30
PID 2980 wrote to memory of 1932	2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe	30
PID 2980 wrote to memory of 1932	2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe	30
PID 2980 wrote to memory of 1932	2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2388	2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2388	2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2388	2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2388	2980	524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe	31
PID 1932 wrote to memory of 2160	1932	6j5urvabTo2WdbT.exe	32
PID 1932 wrote to memory of 2160	1932	6j5urvabTo2WdbT.exe	32
PID 1932 wrote to memory of 2160	1932	6j5urvabTo2WdbT.exe	32
PID 1932 wrote to memory of 2160	1932	6j5urvabTo2WdbT.exe	32
PID 1932 wrote to memory of 2160	1932	6j5urvabTo2WdbT.exe	32
PID 1932 wrote to memory of 2160	1932	6j5urvabTo2WdbT.exe	32
PID 1932 wrote to memory of 2160	1932	6j5urvabTo2WdbT.exe	32

C:\Users\Admin\AppData\Local\Temp\524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\524515bcbb189d94ae0a3b48fa8f1622_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- 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:2980
- C:\Users\Admin\AppData\Local\Temp\6j5urvabTo2WdbT.exe
  C:\Users\Admin\AppData\Local\Temp\6j5urvabTo2WdbT.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Users\Admin\AppData\Local\Temp\jds259436823.tmp\6j5urvabTo2WdbT.exe
    "C:\Users\Admin\AppData\Local\Temp\jds259436823.tmp\6j5urvabTo2WdbT.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Modifies system certificate store
    - Suspicious use of SetWindowsHookEx
    PID:2160
- 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:2388

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

3

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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\jds259436823.tmp\6j5urvabTo2WdbT.exe

Filesize
1.6MB

MD5
109cbe148f827137c3ba62261f01b29b

SHA1
2cc02b09da46d9e5d0ac1b306a0bbcc12bfe4c12

SHA256
394ad6212e4866cc8e6d1834df8f70538dddf09d23dfa65ea204b22c012b541a

SHA512
a2dfa03dd290540bcfeda6cfd7d6ed891700742b4323d8c8dbfc4c822386ef1ddfff5cf71b2e5d7be9ec72fb6fc2145ff6ffc440823187d6956d5aa2794c5799

Download Submit
C:\Users\Admin\AppData\Local\Temp\jusched.log

Filesize
1KB

MD5
66f11c8f13a4b1a6d162f0b8d180ab8b

SHA1
e67b6736674c3228c985a7f414efd161a4814fea

SHA256
c2ad12bcc2322bd01b7bf7a5e31e7a29e7ca47fe7b9f810a707cd083180a5299

SHA512
8c1fafd0b5f9ee37a85043067a36a48cf3108354d0a9805fa56da0569df44db25c9ebbb8067f02541ac2a2bd6e137f51bb461c3f8698ab44725de598ae1984d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\jusched.log

Filesize
15KB

MD5
1ad0196b60dfa5f50c60dda7c903a3a1

SHA1
fcbaf656bcf9bbf68838fc149acc4e58cec9a13f

SHA256
2f26008fb84c0ab14742f52876837ad75a9636e37e084b7e6d1d4de4dca166ac

SHA512
e454ccadec2fb74218eee695fcdf6344d46bce34e3bbe9599914436ec535b6abb767755cbeb399ae1c0aa1e16b527b0665db2ddc9fa0a53e29d812f28791592e

Download Submit
C:\Windows\CTS.exe

Filesize
28KB

MD5
e6150447c894ade7b2b9ee88d5933922

SHA1
dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

SHA256
b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

SHA512
d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

Download Submit
\Users\Admin\AppData\Local\Temp\6j5urvabTo2WdbT.exe

Filesize
1.8MB

MD5
544e07d620d3108b9b6aa3384d02dea5

SHA1
9897596f3c4ec39e38ef7f1081783db7693ae0b2

SHA256
a8fb1a1473831ac6feb092afd2cbdded2d6a881d3576158fabd89090050b52f8

SHA512
3663b9c056447c4491635b5bdcbc6e1a2b67a432b41bab6f479da5c787c48f1067cecafdfb6d9763f9b17b553aa953ae87068ba7f0c1c93facf34db7ac53a64c

Download Submit
memory/2388-22-0x0000000000800000-0x0000000000817000-memory.dmp

Filesize
92KB

Download
memory/2980-0-0x00000000012B0000-0x00000000012C7000-memory.dmp

Filesize
92KB

Download
memory/2980-23-0x00000000012B0000-0x00000000012C7000-memory.dmp

Filesize
92KB

Download
memory/2980-21-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/2980-14-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads