purelogstealer | c94ec3c6d028461f4ebf643651184d6868da15c9ae827e893853a64db3e9f5fb

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 09:46

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General

Target

158af59a6abb0b72f242f081aef3912d_JaffaCakes118.exe
Size

3.9MB
MD5

158af59a6abb0b72f242f081aef3912d
SHA1

fd3e35e07b922bf71bbbab25b52c139fba6220b4
SHA256

c94ec3c6d028461f4ebf643651184d6868da15c9ae827e893853a64db3e9f5fb
SHA512

65a318531ff4404ff20a5d4cf123fd167038305192ac500b6f2d9029c4cef0b4c70e94dd1d2736b9ca52750dc548ab831587123babf7649f72c47d9e792ce79e
SSDEEP

98304:I9Si7yVt6iHbB/SHopgn5nrdfUQqyYB9P3RmeyLNwx:I9Si74Lt/SH1NJUxyMRmtJg

Score

10^/10

purelogstealer evasion stealer themida trojan

Malware Config

Signatures

PureLog Stealer
PureLog Stealer is an infostealer written in C#.
stealer purelogstealer

PureLog Stealer payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3040-9-0x0000000000020000-0x0000000000420000-memory.dmp	family_purelog_stealer
behavioral2/memory/3040-10-0x0000000000020000-0x0000000000420000-memory.dmp	family_purelog_stealer

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

158af59a6abb0b72f242f081aef3912d_JaffaCakes118.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 158af59a6abb0b72f242f081aef3912d_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	158af59a6abb0b72f242f081aef3912d_JaffaCakes118.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

Processes:

158af59a6abb0b72f242f081aef3912d_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	158af59a6abb0b72f242f081aef3912d_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	158af59a6abb0b72f242f081aef3912d_JaffaCakes118.exe

Themida packer 2 IoCs
Detects Themida, an advanced Windows software protection system.
themida

Processes:

resource yara_rule

behavioral2/memory/3040-9-0x0000000000020000-0x0000000000420000-memory.dmp themida
behavioral2/memory/3040-10-0x0000000000020000-0x0000000000420000-memory.dmp themida
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

158af59a6abb0b72f242f081aef3912d_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 158af59a6abb0b72f242f081aef3912d_JaffaCakes118.exe

resource	yara_rule
behavioral2/memory/3040-9-0x0000000000020000-0x0000000000420000-memory.dmp	themida
behavioral2/memory/3040-10-0x0000000000020000-0x0000000000420000-memory.dmp	themida

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	158af59a6abb0b72f242f081aef3912d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\158af59a6abb0b72f242f081aef3912d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\158af59a6abb0b72f242f081aef3912d_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
PID:3040

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3040-0-0x0000000000020000-0x0000000000420000-memory.dmp

Filesize
4.0MB

Download
memory/3040-1-0x0000000076FC0000-0x0000000076FC1000-memory.dmp

Filesize
4KB

Download
memory/3040-2-0x0000000076FA0000-0x0000000077090000-memory.dmp

Filesize
960KB

Download
memory/3040-4-0x0000000076FA0000-0x0000000077090000-memory.dmp

Filesize
960KB

Download
memory/3040-3-0x0000000076FA0000-0x0000000077090000-memory.dmp

Filesize
960KB

Download
memory/3040-5-0x0000000076FA0000-0x0000000077090000-memory.dmp

Filesize
960KB

Download
memory/3040-6-0x0000000076FA0000-0x0000000077090000-memory.dmp

Filesize
960KB

Download
memory/3040-9-0x0000000000020000-0x0000000000420000-memory.dmp

Filesize
4.0MB

Download
memory/3040-10-0x0000000000020000-0x0000000000420000-memory.dmp

Filesize
4.0MB

Download
memory/3040-11-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3040-12-0x0000000005660000-0x0000000005C04000-memory.dmp

Filesize
5.6MB

Download
memory/3040-13-0x0000000005190000-0x0000000005222000-memory.dmp

Filesize
584KB

Download
memory/3040-14-0x0000000007590000-0x0000000007BA8000-memory.dmp

Filesize
6.1MB

Download
memory/3040-15-0x0000000007250000-0x000000000735A000-memory.dmp

Filesize
1.0MB

Download
memory/3040-16-0x0000000007100000-0x0000000007112000-memory.dmp

Filesize
72KB

Download
memory/3040-17-0x00000000071C0000-0x00000000071FC000-memory.dmp

Filesize
240KB

Download
memory/3040-18-0x0000000007200000-0x000000000724C000-memory.dmp

Filesize
304KB

Download
memory/3040-20-0x0000000000020000-0x0000000000420000-memory.dmp

Filesize
4.0MB

Download
memory/3040-21-0x0000000076FC0000-0x0000000076FC1000-memory.dmp

Filesize
4KB

Download
memory/3040-22-0x0000000076FA0000-0x0000000077090000-memory.dmp

Filesize
960KB

Download
memory/3040-23-0x0000000076FA0000-0x0000000077090000-memory.dmp

Filesize
960KB

Download
memory/3040-24-0x0000000076FA0000-0x0000000077090000-memory.dmp

Filesize
960KB

Download
memory/3040-26-0x0000000076FA0000-0x0000000077090000-memory.dmp

Filesize
960KB

Download
memory/3040-27-0x0000000076FA0000-0x0000000077090000-memory.dmp

Filesize
960KB

Download