28926e09c831808131f39a42352ec9c9e64574f7c99f0760cd639f056b9141b7

Analysis

max time kernel
135s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-08-2024 16:14

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General

Target

a7559759e0ea8141d7e6fa877372b3b2_JaffaCakes118.dll
Size

96KB
MD5

a7559759e0ea8141d7e6fa877372b3b2
SHA1

bbc1406d6ea030b7445f6e73732995d5a0ef686a
SHA256

28926e09c831808131f39a42352ec9c9e64574f7c99f0760cd639f056b9141b7
SHA512

d9904b8747c84b62c9015a79f4431f8e43961eea4894121d29fb1732b6738bad60020b67b1e8c5d1a1a23f4c45d24053d08d67189bde7744c3df05851543e4e8
SSDEEP

1536:GXLwtq0c49MKioFjSz1UFLE/dW5MMbKl89h9LMTlp/8zWqlLqw7t1FVSr77Gnouj:GXLwt/FiaU1Uq/dWFbNr8azD7VS372og

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4544-0-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral2/memory/4544-2-0x0000000000400000-0x0000000000436000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1096	4544	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 4544	2208	regsvr32.exe	84
PID 2208 wrote to memory of 4544	2208	regsvr32.exe	84
PID 2208 wrote to memory of 4544	2208	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a7559759e0ea8141d7e6fa877372b3b2_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a7559759e0ea8141d7e6fa877372b3b2_JaffaCakes118.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 656
    3⤵
    - Program crash
    PID:1096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 4544
1⤵
PID:3596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4544-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/4544-2-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

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