1570683d229cd8fc42187f91caa357cfc9a72bcf984b1a2483c68447d73482c1

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 23:43

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General

Target

f2312f11607e25c076290e051ec78515_JaffaCakes118.exe
Size

11KB
MD5

f2312f11607e25c076290e051ec78515
SHA1

1af274b1571c725821a2931a45725590300cb977
SHA256

1570683d229cd8fc42187f91caa357cfc9a72bcf984b1a2483c68447d73482c1
SHA512

66f9db44c6613fdd72a577c879d1667f1d33ec92e2d0dafd5b9153b3289d3286c0993c0a1d194605068372d5ebbd1bfc3b20f129459020787ab42dd510e0fadf
SSDEEP

192:MpCiAZ74IEE4PwH3ZtGqO6HIlkbbA1s0jb4tillhQIW:MphY0joJk/Sd0LaiHk

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Deletes itself 1 IoCs

pid	Process
2536	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1508	svteppsk.exe

Loads dropped DLL 2 IoCs

pid	Process
1640	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe
1640	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1640-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x0009000000016c90-3.dat	upx
behavioral1/memory/1640-4-0x00000000002B0000-0x00000000002C0000-memory.dmp	upx
behavioral1/memory/1640-11-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/1508-12-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\svtepps.dll	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\svteppsk.exe	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\svteppsk.exe	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1508	1640	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe	28
PID 1640 wrote to memory of 1508	1640	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe	28
PID 1640 wrote to memory of 1508	1640	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe	28
PID 1640 wrote to memory of 1508	1640	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe	28
PID 1640 wrote to memory of 2536	1640	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe	31
PID 1640 wrote to memory of 2536	1640	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe	31
PID 1640 wrote to memory of 2536	1640	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe	31
PID 1640 wrote to memory of 2536	1640	f2312f11607e25c076290e051ec78515_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\f2312f11607e25c076290e051ec78515_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2312f11607e25c076290e051ec78515_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\SysWOW64\svteppsk.exe
  C:\Windows\system32\svteppsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:1508
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\f2312f11607e25c076290e051ec78515_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\f2312f11607e25c076290e051ec78515_JaffaCakes118.exe.bat

Filesize
210B

MD5
16083d2a165dea38a13b1e3413895ffb

SHA1
b5e6e8baf44271be60d03a46101839dbec2a85d0

SHA256
97a4ac1fe2eddd1228a7f01bc87951358c0c8464cb4007814df5dcdba1f4b6cf

SHA512
e49551394ef50f7acffaa1ba48be40ec9a71db58635c8429fbc385f9a9bb34679647af9f9b110bdda0489ee0756fd4efcba5932b2b580142d3aa5e27a9cef97d

Download Submit
\Windows\SysWOW64\svteppsk.exe

Filesize
11KB

MD5
f2312f11607e25c076290e051ec78515

SHA1
1af274b1571c725821a2931a45725590300cb977

SHA256
1570683d229cd8fc42187f91caa357cfc9a72bcf984b1a2483c68447d73482c1

SHA512
66f9db44c6613fdd72a577c879d1667f1d33ec92e2d0dafd5b9153b3289d3286c0993c0a1d194605068372d5ebbd1bfc3b20f129459020787ab42dd510e0fadf

Download Submit
memory/1508-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1640-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1640-4-0x00000000002B0000-0x00000000002C0000-memory.dmp

Filesize
64KB

Download
memory/1640-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1640-15-0x00000000002B0000-0x00000000002C0000-memory.dmp

Filesize
64KB

Download