e2b13bc24efae45839f2133216eff084be7f834eb89ca61467605249c7c8ae2b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 06:57

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General

Target

e2b13bc24efae45839f2133216eff084be7f834eb89ca61467605249c7c8ae2bN.dll
Size

76KB
MD5

7931db765ab6041f23f8f19893a68410
SHA1

3b4ca8d289d596465f2e09d7cb23b7a56d16ae16
SHA256

e2b13bc24efae45839f2133216eff084be7f834eb89ca61467605249c7c8ae2b
SHA512

7df8832d3eaacc4aa1aa1b8b65c5f972a39d5a1c8abfaa27ebb903a1cf82fb1d5610b671d3b4053e800a132033fda50e9eb0d9f422d0d02d3356a5f601a4bb08
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZcWZ:c8y93KQjy7G55riF1cMo03dZ

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/2340-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2340-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2340-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2308	2340	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	2340	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2340	2980	rundll32.exe	30
PID 2980 wrote to memory of 2340	2980	rundll32.exe	30
PID 2980 wrote to memory of 2340	2980	rundll32.exe	30
PID 2980 wrote to memory of 2340	2980	rundll32.exe	30
PID 2980 wrote to memory of 2340	2980	rundll32.exe	30
PID 2980 wrote to memory of 2340	2980	rundll32.exe	30
PID 2980 wrote to memory of 2340	2980	rundll32.exe	30
PID 2340 wrote to memory of 2308	2340	rundll32.exe	31
PID 2340 wrote to memory of 2308	2340	rundll32.exe	31
PID 2340 wrote to memory of 2308	2340	rundll32.exe	31
PID 2340 wrote to memory of 2308	2340	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2b13bc24efae45839f2133216eff084be7f834eb89ca61467605249c7c8ae2bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2b13bc24efae45839f2133216eff084be7f834eb89ca61467605249c7c8ae2bN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 308
    3⤵
    - Program crash
    PID:2308

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/2340-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2340-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2340-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download