349cbbd86457d458895c5244a2c4fdbd1725fbfe1234ff58265c435748f9eb1b

Analysis

max time kernel
131s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:36

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General

Target

084775cdbfe7f93941d1066986289090_JaffaCakes118.exe
Size

131KB
MD5

084775cdbfe7f93941d1066986289090
SHA1

515240bff4df8e5915ac65285868ae00bea11e55
SHA256

349cbbd86457d458895c5244a2c4fdbd1725fbfe1234ff58265c435748f9eb1b
SHA512

ee3594eeea7a7760f66839a19e31953121066066461fd16a8088f621f55df4ee1cf4a9b1f11857b9cf384d58cc4a965630e316fbfbb06995a40696063a2f73e2
SSDEEP

3072:ECmzzdcTtDRgEorpwbVLuP4l9WV1oqCgQfBUnPy8LDVBBh:EbOTttgTrayP4l9WV1oqCgQfBUPy8LDL

Score

7^/10

discovery persistence

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1346f73b.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*346f73b = "C:\\Users\\Admin\\AppData\\Roaming\\1346f73b.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1346f73 = "C:\\1346f73b\\1346f73b.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*346f73 = "C:\\1346f73b\\1346f73b.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1346f73b = "C:\\Users\\Admin\\AppData\\Roaming\\1346f73b.exe"	explorer.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
165	ip-addr.es
10	ip-addr.es
13	ip-addr.es

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	084775cdbfe7f93941d1066986289090_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3648	084775cdbfe7f93941d1066986289090_JaffaCakes118.exe
3784	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 3784	3648	084775cdbfe7f93941d1066986289090_JaffaCakes118.exe	89
PID 3648 wrote to memory of 3784	3648	084775cdbfe7f93941d1066986289090_JaffaCakes118.exe	89
PID 3648 wrote to memory of 3784	3648	084775cdbfe7f93941d1066986289090_JaffaCakes118.exe	89
PID 3784 wrote to memory of 2424	3784	explorer.exe	90
PID 3784 wrote to memory of 2424	3784	explorer.exe	90
PID 3784 wrote to memory of 2424	3784	explorer.exe	90

C:\Users\Admin\AppData\Local\Temp\084775cdbfe7f93941d1066986289090_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\084775cdbfe7f93941d1066986289090_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3648
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\syswow64\explorer.exe"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3784
- - C:\Windows\SysWOW64\svchost.exe
    -k netsvcs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2424

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 --field-trial-handle=4376,i,11708048364682646792,608099842549576907,262144 --variations-seed-version --mojo-platform-channel-handle=4088 /prefetch:8
1⤵
PID:4424

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

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2424-5-0x0000000000130000-0x0000000000155000-memory.dmp

Filesize
148KB

Download
memory/2424-6-0x0000000000130000-0x0000000000155000-memory.dmp

Filesize
148KB

Download
memory/2424-14-0x0000000000130000-0x0000000000155000-memory.dmp

Filesize
148KB

Download
memory/3784-0-0x00000000012F0000-0x0000000001315000-memory.dmp

Filesize
148KB

Download
memory/3784-1-0x00000000012F0000-0x0000000001315000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads