2fb2d7031d59796445de4449c87d175b575b318e9ad3374aa2178c2d18e8aba7

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17-06-2024 01:25

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General

Target

b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe
Size

862KB
MD5

b62a90a0454869e68a2c1c3fe2080ad9
SHA1

97534b852f846ddb070696e4e11248c2c476e021
SHA256

2fb2d7031d59796445de4449c87d175b575b318e9ad3374aa2178c2d18e8aba7
SHA512

62daba261ef5c40b754b7cd90dd59fe0e9cdccca864ce5e29200f35989862403367a8e5490469168003c3548a9e0e568c9373751188a30361889bbebd03505fc
SSDEEP

24576:0Nil7ZGQKaFzjfZ1nG5qpqZMGmzjZnjJIexOLGiTNkdBAnhxQb:0GsQKa9fZhqUqZMGmzjZnjJIexOLGik3

Score

9^/10

persistence upx

Malware Config

Signatures

Nirsoft 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/4808-7-0x0000000000400000-0x000000000045B000-memory.dmp Nirsoft
Executes dropped EXE 1 IoCs

Processes:

fje253ioIOoihgw6_5HG6.exe

pid process

4808 fje253ioIOoihgw6_5HG6.exe

resource	yara_rule
behavioral2/memory/4808-7-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft

pid	process
4808	fje253ioIOoihgw6_5HG6.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4808-3-0x0000000000400000-0x000000000045B000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\fje253ioIOoihgw6_5HG6.exe	upx
behavioral2/memory/4808-7-0x0000000000400000-0x000000000045B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\msrgghh = "C:\\Windows\\msrgghh.exe" b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 ip-api.com

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\msrgghh = "C:\\Windows\\msrgghh.exe"	b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe

flow	ioc
3	ip-api.com

Drops file in Windows directory 2 IoCs

Processes:

b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\msrgghh.exe	b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe
File opened for modification	C:\Windows\msrgghh.exe	b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe

description	pid	process	target process
PID 4788 wrote to memory of 4808	4788	b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe	fje253ioIOoihgw6_5HG6.exe
PID 4788 wrote to memory of 4808	4788	b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe	fje253ioIOoihgw6_5HG6.exe
PID 4788 wrote to memory of 4808	4788	b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe	fje253ioIOoihgw6_5HG6.exe

C:\Users\Admin\AppData\Local\Temp\b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4788

C:\Users\Admin\AppData\Local\Temp\fje253ioIOoihgw6_5HG6.exe
C:\Users\Admin\AppData\Local\Temp\fje253ioIOoihgw6_5HG6.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\2UI9osighGfjaH_ASgfuire5.txt
2⤵
- Executes dropped EXE
PID:4808

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 --field-trial-handle=4156,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
1⤵
PID:464

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\2UI9osighGfjaH_ASgfuire5.txt
Filesize
31B

MD5
b7161c0845a64ff6d7345b67ff97f3b0

SHA1
d223f855da541fe8e4c1d5c50cb26da0a1deb5fc

SHA256
fe9e28ff0b652e22a124b0a05382bc1ac48cbd9c7c76ca647b0c9f8542888f66

SHA512
98d8971ff20ba256cf886a9db416ac9366d2c6ad4ff51a65bd7e539974dc93f4c897f92d8c9c0319c69b27eacf05cd350a0302828e63190b03457a0eda57f680

Download Submit
C:\Users\Admin\AppData\Local\Temp\fje253ioIOoihgw6_5HG6.exe
Filesize
184KB

MD5
7fee8223d6e4f82d6cd115a28f0b6d58

SHA1
1b89c25f25253df23426bd9ff6c9208f1202f58b

SHA256
a45317c374d54e322153afd73f0e90f1486638d77b7fd85746d091071bbecd59

SHA512
3ed900b83dd178637c2fd4e8444a899f17f12c4ec92a6f4de4fe544fe8d41b521c69b8f348343cb397d0e160f23e27429042d758b5fa5acac0bab5c3584bace4

Download Submit
memory/4808-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4808-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download