fdaba67a048ee2759a66a4b10b120f90fc713c57f15653d4edb1274617064ad8

General

Target

e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe
Size

13KB
MD5

e7a73fc4540a3bd2b6bcf9b68d0bb155
SHA1

3e99867b8c3b73d0f71f22edd7dd98ba512d599d
SHA256

fdaba67a048ee2759a66a4b10b120f90fc713c57f15653d4edb1274617064ad8
SHA512

2e22d9bb1c4b9fc58fd23c5be072fcde1df632dd6efa2ce0c02b7a8a29020df5358288b62a5d5150d56b2b8003bb455262c86f2b445f3fb279efd310ff516e49
SSDEEP

192:r0J+nk4xxK9qAtPwCmljXQs34W9br32H2Bbf6LZ3LyUQDyG0R6ptZo9aKz9SsGmm:s4xxytPtmqSr2HMby13LWgas9smxY

Score

8^/10

adware persistence stealer

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\explorer\run	issearch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\issearch.exe = "issearch.exe"	issearch.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1060	issearch.exe

Loads dropped DLL 1 IoCs

pid	Process
1060	issearch.exe

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{c3703265-4671-4858-92a4-cba6a7b3bb45}\	issearch.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	issearch.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{c3703265-4671-4858-92a4-cba6a7b3bb45}	issearch.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\issearch.exe	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ixt0.dll	issearch.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Internet Explorer\SearchUrl	issearch.exe
Key created	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Internet Explorer\Main	issearch.exe
Key created	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Internet Explorer\Search	issearch.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID	issearch.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{c3703265-4671-4858-92a4-cba6a7b3bb45}	issearch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c3703265-4671-4858-92a4-cba6a7b3bb45}\	issearch.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{c3703265-4671-4858-92a4-cba6a7b3bb45}\InprocServer32	issearch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c3703265-4671-4858-92a4-cba6a7b3bb45}\InprocServer32\ = "C:\\Windows\\SysWow64\\ixt0.dll"	issearch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c3703265-4671-4858-92a4-cba6a7b3bb45}\InprocServer32\ThreadingModel = "Apartment"	issearch.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3796	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe
3796	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe
3796	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe
3796	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3796	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3796 wrote to memory of 1060	3796	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe	94
PID 3796 wrote to memory of 1060	3796	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe	94
PID 3796 wrote to memory of 1060	3796	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe	94
PID 3796 wrote to memory of 2972	3796	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe	95
PID 3796 wrote to memory of 2972	3796	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe	95
PID 3796 wrote to memory of 2972	3796	e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe	95

C:\Users\Admin\AppData\Local\Temp\e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e7a73fc4540a3bd2b6bcf9b68d0bb155_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3796
- C:\Windows\SysWOW64\issearch.exe
  C:\Windows\system32\issearch.exe
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:1060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E7A73F~1.EXE > nul
  2⤵
  PID:2972

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=752 --field-trial-handle=2232,i,10468259530860544675,2192522633371581869,262144 --variations-seed-version /prefetch:8
1⤵
PID:3452

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

Browser Extensions

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\issearch.exe

Filesize
29KB

MD5
1d49f8cb231ac795c69632136b33f911

SHA1
2b0d1f7e118dc998681e212a9f24677f55097198

SHA256
241c76e0c727077f260d0fed863782d4f7a13956271cb24fe06ea22be3a31783

SHA512
10c94093b216122548596b86874e349573a6881a03fa404e6cb642870e9805f6dfd8dc1c512313b78f6b39a4e2cc4600d9f4ccd0b00ec9035480fe6d92d7652e

Download Submit
C:\Windows\SysWOW64\ixt0.dll

Filesize
17KB

MD5
682d18ff995a1c9f019d9a43e884af14

SHA1
4f81b2f0266f69ace1978528e1cf59064be7da26

SHA256
6646987e2456cc8e0d45d9c2331a7cd586a36b66b3ecfd39929f73a9d096f38c

SHA512
0639b32fa98fe0dd941063ee2282bcfde40cc973fc8f18df529b095fbcf7122b53aef6bf218af67bebda53321f25e10e382e70504b6991355187cc9b9b6cc63d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads