3d0ef10ef26afa9f47f3fe516eacc168fbd4ff25d8cb037578f02f13c1e204d2

Analysis

max time kernel
114s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 14:12

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General

Target

3d0ef10ef26afa9f47f3fe516eacc168fbd4ff25d8cb037578f02f13c1e204d2N.dll
Size

209KB
MD5

fba7951acedbe89fb0b6ea23d6a80320
SHA1

d7aa2a9f9ce614e38547911ce728716cc15bfd33
SHA256

3d0ef10ef26afa9f47f3fe516eacc168fbd4ff25d8cb037578f02f13c1e204d2
SHA512

17dc5929a57946b4c79bc3ed3b3b6425e9a9e0a54b7a543a3f441ef06ac3085e219288c82af99f612f0c218473957997e920a546ce9d9c8c14e487881fe1fbf4
SSDEEP

3072:iLaTjeSgIjbpwwJrV5A5TkzykDho+7JTpJ7WG/waF5OZwSEHPIge:KanPdROmerGBF5SwSEAge

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2064	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000800000002361f-5.dat	upx
behavioral2/memory/2064-7-0x0000000000400000-0x000000000046C000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1040	2064	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 4336	4304	regsvr32.exe	89
PID 4304 wrote to memory of 4336	4304	regsvr32.exe	89
PID 4304 wrote to memory of 4336	4304	regsvr32.exe	89
PID 4336 wrote to memory of 2064	4336	regsvr32.exe	90
PID 4336 wrote to memory of 2064	4336	regsvr32.exe	90
PID 4336 wrote to memory of 2064	4336	regsvr32.exe	90

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3d0ef10ef26afa9f47f3fe516eacc168fbd4ff25d8cb037578f02f13c1e204d2N.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4304
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3d0ef10ef26afa9f47f3fe516eacc168fbd4ff25d8cb037578f02f13c1e204d2N.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4336
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2064
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 264
      4⤵
      Program crash
      PID:1040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2064 -ip 2064
1⤵
PID:1192

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4344,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=3904 /prefetch:8
1⤵
PID:4404

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

C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
173KB

MD5
368c6653018fffc8902b3404f1330c5f

SHA1
11222508abc7a16e6d5004b92645c22173bd805c

SHA256
322b8fe73a8f4d60627aac70bad1e724e2a8e4b605ac3b1cec96cd9029591825

SHA512
108afbb6af60e2fd445cc9494b901b604ec353b39c1d6e36a47f27a877d0696241b128134c4471c22f94bde2adffab0efb871b80708369412d9179f3b672a756

Download Submit
memory/2064-7-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2064-8-0x0000000000820000-0x0000000000821000-memory.dmp

Filesize
4KB

Download
memory/4336-1-0x00000000012B0000-0x00000000012E7000-memory.dmp

Filesize
220KB

Download
memory/4336-0-0x00000000012B0000-0x00000000012E7000-memory.dmp

Filesize
220KB

Download
memory/4336-2-0x00000000012B0000-0x00000000012E7000-memory.dmp

Filesize
220KB

Download