7b22dc9c1f9227c92ac5f67631b3940c31e7d7e7a2447c2769f682d855657a7e

Analysis

max time kernel
85s
max time network
20s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/01/2025, 12:48

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General

Target

7b22dc9c1f9227c92ac5f67631b3940c31e7d7e7a2447c2769f682d855657a7e.dll
Size

76KB
MD5

d6ee1c9d4833a4f03f9a8fc996bde282
SHA1

ee7b15b7ed533a6b2c53bb403fc27088fa7353b4
SHA256

7b22dc9c1f9227c92ac5f67631b3940c31e7d7e7a2447c2769f682d855657a7e
SHA512

a225ac6abcc0edcd63fa59a2beceb0ed8d59fc90d887b657e9babf2a459b60692d28168d02f06b678d4968b88c319f4c7d1b4e0f69a242dfa45707a03bf759df
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZGXStYUqMuz3:c8y93KQjy7G55riF1cMo039tYU+

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/2248-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2248-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2248-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3020	2248	WerFault.exe	31

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	2248	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2248	2084	rundll32.exe	31
PID 2084 wrote to memory of 2248	2084	rundll32.exe	31
PID 2084 wrote to memory of 2248	2084	rundll32.exe	31
PID 2084 wrote to memory of 2248	2084	rundll32.exe	31
PID 2084 wrote to memory of 2248	2084	rundll32.exe	31
PID 2084 wrote to memory of 2248	2084	rundll32.exe	31
PID 2084 wrote to memory of 2248	2084	rundll32.exe	31
PID 2248 wrote to memory of 3020	2248	rundll32.exe	32
PID 2248 wrote to memory of 3020	2248	rundll32.exe	32
PID 2248 wrote to memory of 3020	2248	rundll32.exe	32
PID 2248 wrote to memory of 3020	2248	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b22dc9c1f9227c92ac5f67631b3940c31e7d7e7a2447c2769f682d855657a7e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b22dc9c1f9227c92ac5f67631b3940c31e7d7e7a2447c2769f682d855657a7e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 308
    3⤵
    - Program crash
    PID:3020

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

Replay Monitor

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Downloads

memory/2248-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2248-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2248-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download