5a6053bb8f7969bf750e422a7948a9772c2e28256b358cb4921ca63c76b56473

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 18:18

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General

Target

35d88b1235c23fb89270d76eb2a54fb5_JaffaCakes118.exe
Size

158KB
MD5

35d88b1235c23fb89270d76eb2a54fb5
SHA1

bc2efd5cf1e070ccc5b246bcb322d625adae0c2a
SHA256

5a6053bb8f7969bf750e422a7948a9772c2e28256b358cb4921ca63c76b56473
SHA512

00c402c92be028ad3dc4cfca5fd474db3c7d890b12626367f5dabf850054524677377e8e3dc767140f8391628d3ee21c66dbfa80dd525efd0fc144884bf97fd6
SSDEEP

3072:WA6Ucj4OV5/wqlltLqX9JZvfZLCY3Ioub4LQnG/aKqkcyhva:WA+j4WRlltLqNPvHvutG/aKqohC

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1984	Szyhoa.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1820-0-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/files/0x0007000000015605-8.dat	upx
behavioral1/memory/1984-10-0x0000000000400000-0x0000000000443000-memory.dmp	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	35d88b1235c23fb89270d76eb2a54fb5_JaffaCakes118.exe
File opened for modification	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	35d88b1235c23fb89270d76eb2a54fb5_JaffaCakes118.exe
File created	C:\Windows\Szyhoa.exe	35d88b1235c23fb89270d76eb2a54fb5_JaffaCakes118.exe
File opened for modification	C:\Windows\Szyhoa.exe	35d88b1235c23fb89270d76eb2a54fb5_JaffaCakes118.exe
File created	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	Szyhoa.exe
File opened for modification	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	Szyhoa.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\Main	Szyhoa.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\International	Szyhoa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe
1984	Szyhoa.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 1984	1820	35d88b1235c23fb89270d76eb2a54fb5_JaffaCakes118.exe	31
PID 1820 wrote to memory of 1984	1820	35d88b1235c23fb89270d76eb2a54fb5_JaffaCakes118.exe	31
PID 1820 wrote to memory of 1984	1820	35d88b1235c23fb89270d76eb2a54fb5_JaffaCakes118.exe	31
PID 1820 wrote to memory of 1984	1820	35d88b1235c23fb89270d76eb2a54fb5_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\35d88b1235c23fb89270d76eb2a54fb5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\35d88b1235c23fb89270d76eb2a54fb5_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\Szyhoa.exe
  C:\Windows\Szyhoa.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:1984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Szyhoa.exe

Filesize
158KB

MD5
35d88b1235c23fb89270d76eb2a54fb5

SHA1
bc2efd5cf1e070ccc5b246bcb322d625adae0c2a

SHA256
5a6053bb8f7969bf750e422a7948a9772c2e28256b358cb4921ca63c76b56473

SHA512
00c402c92be028ad3dc4cfca5fd474db3c7d890b12626367f5dabf850054524677377e8e3dc767140f8391628d3ee21c66dbfa80dd525efd0fc144884bf97fd6

Download Submit
C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job

Filesize
372B

MD5
1ba08867cc27c1f8a0d226f90ef03598

SHA1
2dfc6a822a2fe0e826c54a9a2fe6c58712d02af5

SHA256
7284f79462856734c4baa879b235ba33a1c728fe0e48af2964d0eb5e083b8cb4

SHA512
abff5fe99fb19b464acaa7215a8e5006e520a29fce769b59c79960dc2908ddc42a9f601007bb3e94301be6cbd843f67ccfceb2b05f0600151d4623565425a286

Download Submit
memory/1820-38730-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1820-38733-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1820-2-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1820-9-0x0000000002330000-0x0000000002373000-memory.dmp

Filesize
268KB

Download
memory/1820-0-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1820-1-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1984-49025-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-49028-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-11-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-49023-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-49024-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-10-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-49027-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-38731-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-49029-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-49030-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-49031-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-49032-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-49033-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-49034-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1984-49035-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download