ce3090c29391f82795fcddcd50e47e3f94811de31585af5186f6902580306b50

Analysis

max time kernel
132s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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
4808	wincfg32svc.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/224-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x0006000000022abb-6.dat	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-1-5-21-1337824034-2731376981-3755436523-1000\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 opened for modification	C:\Windows\49505039303050\wincfg32svc.exe	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe
File opened for modification	C:\Windows\49505039303050	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe
File created	C:\Windows\49505039303050\wincfg32svc.exe	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5112	224	WerFault.exe	84
3544	4808	WerFault.exe	89

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 4808	224	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe	89
PID 224 wrote to memory of 4808	224	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe	89
PID 224 wrote to memory of 4808	224	900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\900d33baee06a891365ccb16b8bc8c03_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:224
- C:\Windows\49505039303050\wincfg32svc.exe
  C:\Windows\49505039303050\wincfg32svc.exe
  2⤵
  - Executes dropped EXE
  PID:4808
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 804
    3⤵
    - Program crash
    PID:3544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 620
  2⤵
  - Program crash
  PID:5112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 224 -ip 224
1⤵
PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4808 -ip 4808
1⤵
PID:4920

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:\Windows\49505039303050\wincfg32svc.exe

Filesize
95KB

MD5
900d33baee06a891365ccb16b8bc8c03

SHA1
fbebba996709872c570c032de2c5695ab44ea3a2

SHA256
ce3090c29391f82795fcddcd50e47e3f94811de31585af5186f6902580306b50

SHA512
5af0dd6b2fb8b0ae0a6c3f88a1aaf01b023b95871716a9a9ddea6f4ef407dc824709ac5dddba522be52457571f0a72ac976b71ab3edab6f715a272d324988686

Download Submit
memory/224-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/224-1-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/224-2-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/224-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/224-11-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/4808-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4808-9-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads