ce3090c29391f82795fcddcd50e47e3f94811de31585af5186f6902580306b50

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03-06-2024 01:06

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General

Target

900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe
Size

95KB
MD5

900d33baee06a891365ccb16b8bc8c03
SHA1

fbebba996709872c570c032de2c5695ab44ea3a2
SHA256

ce3090c29391f82795fcddcd50e47e3f94811de31585af5186f6902580306b50
SHA512

5af0dd6b2fb8b0ae0a6c3f88a1aaf01b023b95871716a9a9ddea6f4ef407dc824709ac5dddba522be52457571f0a72ac976b71ab3edab6f715a272d324988686
SSDEEP

1536:SXwjl4Bz4w/GCCL2ojgSOgkqx/Ens3DB0DrkhYjuIPSNobXVQyqvyM2O7awXn3xL:SXiS4wed2CHkqPTB6gIPSNobXTgP2O75

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2008	wincfg32svc.exe

Loads dropped DLL 2 IoCs

pid	Process
2040	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe
2040	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2040-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/files/0x00350000000144e1-5.dat	upx
behavioral1/memory/2040-11-0x0000000000460000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2008-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WinCfgMgr = "C:\\Windows\\49505039303050\\wincfg32svc.exe"	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinCfgMgr = "C:\\Windows\\49505039303050\\wincfg32svc.exe"	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\49505039303050\wincfg32svc.exe	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe
File opened for modification	C:\Windows\49505039303050\wincfg32svc.exe	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe
File opened for modification	C:\Windows\49505039303050	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2008	2040	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe	28
PID 2040 wrote to memory of 2008	2040	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe	28
PID 2040 wrote to memory of 2008	2040	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe	28
PID 2040 wrote to memory of 2008	2040	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\49505039303050\wincfg32svc.exe
  C:\Windows\49505039303050\wincfg32svc.exe
  2⤵
  - Executes dropped EXE
  PID:2008

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

\Windows\49505039303050\wincfg32svc.exe

Filesize
95KB

MD5
900d33baee06a891365ccb16b8bc8c03

SHA1
fbebba996709872c570c032de2c5695ab44ea3a2

SHA256
ce3090c29391f82795fcddcd50e47e3f94811de31585af5186f6902580306b50

SHA512
5af0dd6b2fb8b0ae0a6c3f88a1aaf01b023b95871716a9a9ddea6f4ef407dc824709ac5dddba522be52457571f0a72ac976b71ab3edab6f715a272d324988686

Download Submit
memory/2008-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2008-15-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2040-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2040-2-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2040-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2040-11-0x0000000000460000-0x00000000004B4000-memory.dmp

Filesize
336KB

Download
memory/2040-12-0x0000000000460000-0x00000000004B4000-memory.dmp

Filesize
336KB

Download
memory/2040-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads