93524e7027fb8bb5c05ff48c3376dae9e711babb43496c571c826b86a5e7830f

Analysis

max time kernel
142s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
12-08-2024 09:40

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General

Target

8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe
Size

929KB
MD5

8e3c511510056c1ad351a9829bb20fed
SHA1

a862df6a326f26c36bdbe0213e1653954a248c66
SHA256

93524e7027fb8bb5c05ff48c3376dae9e711babb43496c571c826b86a5e7830f
SHA512

8d619443a35c86bac8c7a343831885ff30caf90faff28dcf6fb1121bb6a7b26991a282598459b25adb9e83f0d49bc563f71ba16653e81f5b065b0ca80ed297bf
SSDEEP

24576:IAgCYQ1LGum4sx8Kofd/uV+wxjfzevAAUgkUiaWiqWe:7gCh1LGumhuW+SjrevJkQhe

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2248	irsetup.exe

Loads dropped DLL 4 IoCs

pid	Process
2132	8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe
2132	8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe
2132	8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe
2132	8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000018b4d-2.dat	upx
behavioral1/memory/2132-4-0x0000000002620000-0x00000000027A1000-memory.dmp	upx
behavioral1/memory/2248-16-0x0000000000400000-0x0000000000581000-memory.dmp	upx
behavioral1/memory/2248-27-0x0000000000400000-0x0000000000581000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\vCard Transfer Setup Log.txt	irsetup.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	irsetup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2248	irsetup.exe
2248	irsetup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2248	2132	8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe	29
PID 2132 wrote to memory of 2248	2132	8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe	29
PID 2132 wrote to memory of 2248	2132	8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe	29
PID 2132 wrote to memory of 2248	2132	8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe	29
PID 2132 wrote to memory of 2248	2132	8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe	29
PID 2132 wrote to memory of 2248	2132	8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe	29
PID 2132 wrote to memory of 2248	2132	8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- 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:662050 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\8e3c511510056c1ad351a9829bb20fed_JaffaCakes118.exe" "__IRCT:1" "__IRTSS:0" "__IRSID:S-1-5-21-2212144002-1172735686-1556890956-1000"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
566KB

MD5
3fe7c92dba5c9240b4ab0d6a87e6166a

SHA1
7980d7dffc073515b621834246dda33ab00c308d

SHA256
a7818c1e0dad1cbba4d17809688887adeeafe940a3cb53a6aeabdfcd196f7258

SHA512
bd2c87b2d02b80b90f744a101bbb9294b1d90650a338be725028e6649e46a759fa72032e80ffe911ae82b005b4d2394960e7b73ce7ad8fe3a70e8a47d2a7c98d

Download Submit
memory/2132-4-0x0000000002620000-0x00000000027A1000-memory.dmp

Filesize
1.5MB

Download
memory/2132-14-0x0000000002630000-0x00000000027B1000-memory.dmp

Filesize
1.5MB

Download
memory/2248-16-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download
memory/2248-27-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download