e57bdcd2361cf37370d0c140666f2511f4a5f00160d8952f1020402f6f2c326b

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08/07/2024, 03:06

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General

Target

2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe
Size

1.3MB
MD5

2ac5b8fc80b706bf293bd75dbbbc1b7c
SHA1

e8c82aefa7fcbc3cf0abd5d988c4547bd9a8b2b2
SHA256

e57bdcd2361cf37370d0c140666f2511f4a5f00160d8952f1020402f6f2c326b
SHA512

7372545d58de2ffa30c11ed9e4091dea19159783c0ae744523d66081ce881e34b358d41d70a3cb32551df68608eb60c6a445aa783a32ab80dfb8c7400fc4ac1f
SSDEEP

24576:yTCMXuthC1jc1a05AuLq8sQ787TcCTd0bojsPpnvZKjtSrp:yTC4uOVcY6JLq8sUHkj6pvZKQ9

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1612	irsetup.exe

Loads dropped DLL 4 IoCs

pid	Process
2548	2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe
2548	2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe
2548	2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe
2548	2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0009000000016a83-2.dat	upx
behavioral1/memory/2548-5-0x0000000002620000-0x000000000279E000-memory.dmp	upx
behavioral1/memory/1612-16-0x0000000000400000-0x000000000057E000-memory.dmp	upx
behavioral1/memory/1612-79-0x0000000000400000-0x000000000057E000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1612	irsetup.exe
1612	irsetup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1612	2548	2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe	30
PID 2548 wrote to memory of 1612	2548	2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe	30
PID 2548 wrote to memory of 1612	2548	2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe	30
PID 2548 wrote to memory of 1612	2548	2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe	30
PID 2548 wrote to memory of 1612	2548	2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe	30
PID 2548 wrote to memory of 1612	2548	2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe	30
PID 2548 wrote to memory of 1612	2548	2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
  "C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:653858 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\2ac5b8fc80b706bf293bd75dbbbc1b7c_JaffaCakes118.exe" "__IRCT:1" "__IRTSS:0" "__IRSID:S-1-5-21-3434294380-2554721341-1919518612-1000"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe

Filesize
562KB

MD5
2a6851974cff57bee62a83c52ce68863

SHA1
c3b22bb00c555274d6413ae48e3ed82103462ff6

SHA256
d2e97cdb120c1a88340553db0de85b525b2f3fae163715c789dc1ba3f76b72a1

SHA512
25e1a733873f8ab294a281ec658c117d8c93b89ab63a73f199d9b53b25738e3f906822fd5915f360c24bcc9ad1672520e8d8e0964e06624e59750b2d176c2f5a

Download Submit
memory/1612-16-0x0000000000400000-0x000000000057E000-memory.dmp

Filesize
1.5MB

Download
memory/1612-79-0x0000000000400000-0x000000000057E000-memory.dmp

Filesize
1.5MB

Download
memory/2548-5-0x0000000002620000-0x000000000279E000-memory.dmp

Filesize
1.5MB

Download
memory/2548-14-0x0000000002620000-0x000000000279E000-memory.dmp

Filesize
1.5MB

Download