2a3f37c68b8b56ab044489025035308e3abf061762d1c0630fa5ea865ecf31f8

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/04/2024, 22:07

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General

Target

350333b97523f25fa6d04b2016ed38a1.exe
Size

292KB
MD5

350333b97523f25fa6d04b2016ed38a1
SHA1

2e45538ace9c6fd968ff05a79489e6ba9be337c2
SHA256

2a3f37c68b8b56ab044489025035308e3abf061762d1c0630fa5ea865ecf31f8
SHA512

8658e7138ab5aeae78439dd9c1e48b5535edba07733b3c674f61db903e7d7955d39c0d431872cd2a98f846b0e4e096d77dffb143b626c2c073d2ea92e1e06a1a
SSDEEP

6144:LFpiTSfDhpOQAYg718kVFRCHplF6UKSbGqJSn:eTSfDh7AL18UwJbhKSw

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
1444	nhadrjb.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\nhadrjb.exe	350333b97523f25fa6d04b2016ed38a1.exe
File created	C:\PROGRA~3\Mozilla\mrcfdgn.dll	nhadrjb.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2056	350333b97523f25fa6d04b2016ed38a1.exe
1444	nhadrjb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 1444	2688	taskeng.exe	29
PID 2688 wrote to memory of 1444	2688	taskeng.exe	29
PID 2688 wrote to memory of 1444	2688	taskeng.exe	29
PID 2688 wrote to memory of 1444	2688	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\350333b97523f25fa6d04b2016ed38a1.exe
"C:\Users\Admin\AppData\Local\Temp\350333b97523f25fa6d04b2016ed38a1.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:2056

C:\Windows\system32\taskeng.exe
taskeng.exe {8F1191D9-8608-47AF-9F2B-DFA8D3F2E837} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2688
- C:\PROGRA~3\Mozilla\nhadrjb.exe
  C:\PROGRA~3\Mozilla\nhadrjb.exe -giukxrm
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:1444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\nhadrjb.exe

Filesize
292KB

MD5
6ad68b9ea70c7916c9b863eb35a6a0de

SHA1
6db15fa785b1e9fc83b9b00ca0995da4ee07c9ab

SHA256
f0cbc2fba0453daa243f2eb1bc4a493a5d5260d69dc751e84397083ed3d159fb

SHA512
4e026f5c52f645de75867c31958b61120e9dbade74cd7171cc7a513fc39dfc01d20f0c222fe8ee78c36eab84dab27699ec9b9d128fa0778b81da41691a7f8f38

Download Submit
memory/1444-7-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1444-8-0x0000000000890000-0x00000000008EC000-memory.dmp

Filesize
368KB

Download
memory/1444-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1444-11-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1444-12-0x0000000000890000-0x00000000008EC000-memory.dmp

Filesize
368KB

Download
memory/2056-0-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2056-1-0x0000000001BF0000-0x0000000001C4C000-memory.dmp

Filesize
368KB

Download
memory/2056-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2056-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download