c291cba41eb789ea0a1bdc1290bcfd65a43823fa13128358c55be522ec3dbb72

Analysis

max time kernel
95s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 20:44

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General

Target

f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe
Size

79KB
MD5

f1e369fd57a29155a43a8e2ca5b616af
SHA1

c4bded7920f5f0d6e306daf12d83c431f6e6d0e1
SHA256

c291cba41eb789ea0a1bdc1290bcfd65a43823fa13128358c55be522ec3dbb72
SHA512

7859bc19f7d410980ae73bd8087c13c69e1447878353a73bf924011c9006b903e9eaf8119726c205ca90194c37367423d755d8dca1f56fda7ea86b6784816de2
SSDEEP

768:cE3fkClcNqWKihbhooe/AZFjFb2Q2HOoVdYfpciy4UIzQZgJ8je0fhzXUuKlWdTd:jvkClcN9tek7Xofydy46C4eqUHlaTDp

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4300	Et33x8c5.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/516-9-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral2/memory/4300-10-0x0000000000400000-0x0000000000420000-memory.dmp	upx

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Et33x8c5.exe.a_a	f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Et33x8c5.exe	f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Et33x8c5.exe	f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Et33x8c5.exe.a_a	Et33x8c5.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	516	f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 516 wrote to memory of 4300	516	f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe	85
PID 516 wrote to memory of 4300	516	f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe	85
PID 516 wrote to memory of 4300	516	f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe	85
PID 516 wrote to memory of 4668	516	f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe	86
PID 516 wrote to memory of 4668	516	f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe	86
PID 516 wrote to memory of 4668	516	f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1e369fd57a29155a43a8e2ca5b616af_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:516
- C:\Windows\SysWOW64\Et33x8c5.exe
  "C:\Windows\system32\Et33x8c5.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:4300
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\F1E369~1.EXE > nul
  2⤵
  PID:4668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Et33x8c5.exe

Filesize
79KB

MD5
f1e369fd57a29155a43a8e2ca5b616af

SHA1
c4bded7920f5f0d6e306daf12d83c431f6e6d0e1

SHA256
c291cba41eb789ea0a1bdc1290bcfd65a43823fa13128358c55be522ec3dbb72

SHA512
7859bc19f7d410980ae73bd8087c13c69e1447878353a73bf924011c9006b903e9eaf8119726c205ca90194c37367423d755d8dca1f56fda7ea86b6784816de2

Download Submit
memory/516-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/516-9-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4300-10-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download