3c86b04985b60905075e3f7a6cf055453d02f2d95e0eec5c8f95537b0718142d

General

Target

ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe
Size

330KB
MD5

ddd0a511cadbe4697040ded7c844ea08
SHA1

be52dfaea71113ab88b6edae6db334d521620143
SHA256

3c86b04985b60905075e3f7a6cf055453d02f2d95e0eec5c8f95537b0718142d
SHA512

0af9dd46bf673a8503937469e906726396200ba7b5ae3ca4edd22729bc39930e8c8ddc4cbcd6aa97eede13804430280ba6a6257af563e7d457a8481be769fce4
SSDEEP

6144:KBqYSu7GiZd3NpwLKnV5kdLKG8POti4BB2GmKsmwJvIh0yPUocC7g:KBqd8vpqLIk0o3v2GmKjaIuHwg

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2952	minisetup55.exe
2704	dls0523pmw.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2708-0-0x0000000000400000-0x0000000000483000-memory.dmp	upx
behavioral1/memory/2708-15-0x0000000000400000-0x0000000000483000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{43DAB78C-B845-83AD-A86A-7DFB90277939}	minisetup55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{43DAB78C-B845-83AD-A86A-7DFB90277939}\ = "Web Assistent"	minisetup55.exe

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\psdriver\psdriver.sys	minisetup55.exe
File opened for modification	C:\Program Files (x86)\psdriver\psdriver.dll	minisetup55.exe
File created	C:\Program Files (x86)\psdriver\psdriver.dll	minisetup55.exe
File opened for modification	C:\Program Files (x86)\psdriver\psdriver.exe	minisetup55.exe
File created	C:\Program Files (x86)\psdriver\psdriver.exe	minisetup55.exe
File opened for modification	C:\Program Files (x86)\psdriver\psdriver.sys	minisetup55.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\minisetup55.exe	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe
File created	C:\Windows\dls0523pmw.exe	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe
File created	C:\Windows\rau001978.exe	dls0523pmw.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	minisetup55.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dls0523pmw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43DAB78C-B845-83AD-A86A-7DFB90277939}	minisetup55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43DAB78C-B845-83AD-A86A-7DFB90277939}\ = "Web Assistent"	minisetup55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43DAB78C-B845-83AD-A86A-7DFB90277939}\InprocServer32	minisetup55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43DAB78C-B845-83AD-A86A-7DFB90277939}\InprocServer32\ = "C:\\Program Files (x86)\\psdriver\\psdriver.dll"	minisetup55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43DAB78C-B845-83AD-A86A-7DFB90277939}\InprocServer32\ThreadingModel = "Apartment"	minisetup55.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	2952	minisetup55.exe
Token: SeBackupPrivilege	2952	minisetup55.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2708	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2952	2708	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2952	2708	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2952	2708	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2952	2708	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2952	2708	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2952	2708	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2952	2708	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2704	2708	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe	31
PID 2708 wrote to memory of 2704	2708	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe	31
PID 2708 wrote to memory of 2704	2708	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe	31
PID 2708 wrote to memory of 2704	2708	ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ddd0a511cadbe4697040ded7c844ea08_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\minisetup55.exe
  "C:\Windows\minisetup55.exe"
  2⤵
  - Executes dropped EXE
  - Installs/modifies Browser Helper Object
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:2952
- C:\Windows\dls0523pmw.exe
  "C:\Windows\dls0523pmw.exe" -i
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\dls0523pmw.exe

Filesize
64KB

MD5
82c4f0948d95ca663a6ee133fdfe8ee9

SHA1
1c5c1b64519b7eb7d309a07b85c73c1962c682ec

SHA256
84fdc3ef241dadb35661b4cf9b4faa482502afd7bbd003bccb4862ca2011480f

SHA512
d5b2ebddde5faaa4d90b0f3da828be0b2325bca41a69b616e328f6de17217215396272488743e44764d59a2ff5ab956cfc29d492498008d7e02d9ee3d1d0c52b

Download Submit
C:\Windows\minisetup55.exe

Filesize
187KB

MD5
cdd648e4466f94d71a956a5a0106ee3c

SHA1
6c8224325cb8853f0b8008f3b8ad2dcb86f2aaae

SHA256
7708b005fa0ab49584459bef5fbf9d27cbd5992f2e7c82099228db21e1f66936

SHA512
24dd562af80d3ea0f25b42197ad9436fe14a9fe85ab52e8c89bc78241e04221605fb1435c6e850206c0f49549310366dd786821f780d63357e3fba476345ed92

Download Submit
memory/2708-0-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2708-15-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

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