995e4ff1c8afe99b65bc518ff6045e691a409636a176e8cfd95d638977458128

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 04:30

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General

Target

5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe
Size

41KB
MD5

5a780ba3ce69fa973d06d6e0ba6639c9
SHA1

f61b9534a1c6683f89f0bfd9abb27e3524743db3
SHA256

995e4ff1c8afe99b65bc518ff6045e691a409636a176e8cfd95d638977458128
SHA512

d60f08c02b2b54ecd86ef6f1236fac653448a9df50d683603978f3eedde4534016e40360bc33872b5d4bfb36c2decef7b3b3210c20f2ae933b07cc300fef947f
SSDEEP

768:CH07dsAUzf836+0urSVYHWdO+W2nMbazblI5ADX:O07dQb+0NVYWO+HMmPlgAb

Score

7^/10

persistence 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-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
216	sixyahbi.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3476-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/files/0x0007000000023486-5.dat	upx
behavioral2/memory/3476-9-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/216-10-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/216-12-0x0000000000400000-0x0000000000423000-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\avgtrail.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe"	5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\avgtrail.exe = "C:\\Windows\\SysWOW64\\service\\sixyahbi.exe"	sixyahbi.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\service\sixyahbi.exe	5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1196	3476	WerFault.exe	84

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3476 wrote to memory of 216	3476	5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe	87
PID 3476 wrote to memory of 216	3476	5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe	87
PID 3476 wrote to memory of 216	3476	5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Windows\SysWOW64\service\sixyahbi.exe
  "C:\Windows\system32\service\sixyahbi.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3476 -s 1144
  2⤵
  - Program crash
  PID:1196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3476 -ip 3476
1⤵
PID:2204

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\service\sixyahbi.exe

Filesize
41KB

MD5
5a780ba3ce69fa973d06d6e0ba6639c9

SHA1
f61b9534a1c6683f89f0bfd9abb27e3524743db3

SHA256
995e4ff1c8afe99b65bc518ff6045e691a409636a176e8cfd95d638977458128

SHA512
d60f08c02b2b54ecd86ef6f1236fac653448a9df50d683603978f3eedde4534016e40360bc33872b5d4bfb36c2decef7b3b3210c20f2ae933b07cc300fef947f

Download Submit
memory/216-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/216-12-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3476-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3476-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads