e92ae70bfba04283e92cd1ce411fe060df8c00119c927ac99bb588ed95fa09b8

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 21:31

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General

Target

3d914a21a61ab7d5aced936f070e4355.exe
Size

8KB
MD5

3d914a21a61ab7d5aced936f070e4355
SHA1

ad40ed9e1b8e4ff35dd929cc34d0bf24ae0d920d
SHA256

e92ae70bfba04283e92cd1ce411fe060df8c00119c927ac99bb588ed95fa09b8
SHA512

57868583a2620aca10bbb76349c634b931366356d7cfc0a48e32fdb72a647f450695625173f140474c3d8d8f901a070982c68af649d3d812c9a26edde7f08183
SSDEEP

192:K7GPA1qegtfgg34QL9/sFaNJhLkwcud2DH9VwGfctl3O:K7z1qHCg3RBwaNJawcudoD7US

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2712	b2e.exe

Loads dropped DLL 5 IoCs

pid	Process
3028	3d914a21a61ab7d5aced936f070e4355.exe
3028	3d914a21a61ab7d5aced936f070e4355.exe
2944	WerFault.exe
2944	WerFault.exe
2944	WerFault.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3028-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/3028-10-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2944	2712	WerFault.exe	28

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2712	3028	3d914a21a61ab7d5aced936f070e4355.exe	28
PID 3028 wrote to memory of 2712	3028	3d914a21a61ab7d5aced936f070e4355.exe	28
PID 3028 wrote to memory of 2712	3028	3d914a21a61ab7d5aced936f070e4355.exe	28
PID 3028 wrote to memory of 2712	3028	3d914a21a61ab7d5aced936f070e4355.exe	28
PID 2712 wrote to memory of 2944	2712	b2e.exe	29
PID 2712 wrote to memory of 2944	2712	b2e.exe	29
PID 2712 wrote to memory of 2944	2712	b2e.exe	29
PID 2712 wrote to memory of 2944	2712	b2e.exe	29

C:\Users\Admin\AppData\Local\Temp\3d914a21a61ab7d5aced936f070e4355.exe
"C:\Users\Admin\AppData\Local\Temp\3d914a21a61ab7d5aced936f070e4355.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\63D2.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\63D2.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\63D2.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\3d914a21a61ab7d5aced936f070e4355.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 124
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\63D2.tmp\b2e.exe

Filesize
8KB

MD5
b387bd9daf105ab9f4917f1c55f76bc7

SHA1
c6948b8ab218443735ab00283d6e81f6bd5e3dc2

SHA256
b65a80954cf737b141b918f0f0401859aa9811c8d36b517b8c34ceca57ffac45

SHA512
379bbcafa0c913c51d9b96e91b1f0e8ba0246087f39b677e6929a18d82de2e6d8b62c4c603b3e0cac4435a61e4475b2b439b8593cd4ff255616af19b9ad8b78e

Download Submit
memory/2712-15-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3028-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3028-11-0x00000000022F0000-0x00000000022F5000-memory.dmp

Filesize
20KB

Download
memory/3028-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3028-14-0x00000000022F0000-0x00000000022F5000-memory.dmp

Filesize
20KB

Download
memory/3028-17-0x00000000022F0000-0x00000000022F5000-memory.dmp

Filesize
20KB

Download