d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 08:32

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General

Target

JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe
Size

734.3MB
MD5

71d4aa16916bccdbc9bd8b644c3e6bc0
SHA1

80d83af58f26d2602c32eb5f707def525777a9ff
SHA256

d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918
SHA512

0f390865942a640b2771529bf5db335a718f023e355e9938f6c483f08db003877e1e4b2e7e85ce05271ffb2e2783820660b5927800ea8b7288c633beafb4bf95
SSDEEP

49152:PoNfVn4+HMH86lJsj8PL1/Pf98ORlp8E3kybEYcRc1WcM:7H8ysjMP1pRh0y4OdM

Score

9^/10

evasion themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2524-6-0x0000000000C50000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2524-11-0x0000000000C50000-0x0000000001222000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2524	JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2524	JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe
2524	JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2516	2524	JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe	30
PID 2524 wrote to memory of 2516	2524	JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe	30
PID 2524 wrote to memory of 2516	2524	JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d4ab23e5d1083c750f49a44ace8201025fc3d5a7752e52f9d939baac93b29918.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2524 -s 616
  2⤵
  PID:2516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2524-0-0x0000000000C50000-0x0000000001222000-memory.dmp

Filesize
5.8MB

Download
memory/2524-1-0x000007FEFDC84000-0x000007FEFDC85000-memory.dmp

Filesize
4KB

Download
memory/2524-2-0x000007FEFDC70000-0x000007FEFDCDC000-memory.dmp

Filesize
432KB

Download
memory/2524-3-0x000007FEFDC70000-0x000007FEFDCDC000-memory.dmp

Filesize
432KB

Download
memory/2524-4-0x000007FEFDC70000-0x000007FEFDCDC000-memory.dmp

Filesize
432KB

Download
memory/2524-5-0x000007FEFDC70000-0x000007FEFDCDC000-memory.dmp

Filesize
432KB

Download
memory/2524-6-0x0000000000C50000-0x0000000001222000-memory.dmp

Filesize
5.8MB

Download
memory/2524-7-0x0000000000C50000-0x0000000001222000-memory.dmp

Filesize
5.8MB

Download
memory/2524-8-0x000007FEFDC70000-0x000007FEFDCDC000-memory.dmp

Filesize
432KB

Download
memory/2524-9-0x000007FEFDC84000-0x000007FEFDC85000-memory.dmp

Filesize
4KB

Download
memory/2524-11-0x0000000000C50000-0x0000000001222000-memory.dmp

Filesize
5.8MB

Download