dfcb9a36d8226df6cf3bed579f9ef3bb23642536832d84d9e2f81e3efecff3a4

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 18:12

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General

Target

dfcb9a36d8226df6cf3bed579f9ef3bb23642536832d84d9e2f81e3efecff3a4.dll
Size

203KB
MD5

71df7d06aa3348f87771580efbd0294e
SHA1

ce0d22e7079442d4709089fc9335458e94be77d9
SHA256

dfcb9a36d8226df6cf3bed579f9ef3bb23642536832d84d9e2f81e3efecff3a4
SHA512

8d990846965af1ec48c8cef902012f51aa0317836518455f00a4db0141c097f3fa815c4db1e7d63fe54e05f60a9a6bead656fb09ced9c2b845dfdb6b62278b45
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viMsA7:0kmCaiEoFEd+FYOtxmdeviMsM

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2628-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2628-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2628-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2904	2628	WerFault.exe	30

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	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2628 wrote to memory of 2904	2628	rundll32.exe	31
PID 2628 wrote to memory of 2904	2628	rundll32.exe	31
PID 2628 wrote to memory of 2904	2628	rundll32.exe	31
PID 2628 wrote to memory of 2904	2628	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfcb9a36d8226df6cf3bed579f9ef3bb23642536832d84d9e2f81e3efecff3a4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfcb9a36d8226df6cf3bed579f9ef3bb23642536832d84d9e2f81e3efecff3a4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 308
    3⤵
    - Program crash
    PID:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2628-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2628-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2628-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download