08a035a9b3a608cecd84b29eeae205174100acb58237036e727de33944b50e46

Analysis

max time kernel
122s
max time network
134s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05-04-2024 18:28

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General

Target

08a035a9b3a608cecd84b29eeae205174100acb58237036e727de33944b50e46.exe
Size

276KB
MD5

0cd6b4f27d0d9b6d3099545df3027dd8
SHA1

eff67c1959150380821edcd2f27660a60638fd7e
SHA256

08a035a9b3a608cecd84b29eeae205174100acb58237036e727de33944b50e46
SHA512

191df90d84e2c30e6a8af047cc3ff07de66b7403d2d9768cb33eea5e8bd290c6faa10bdea6a15b7ff5b355c85b7544a1bf55b92e8e0eb4d3e47a3f0f081ec370
SSDEEP

6144:yFpiTSfDhpOQAYg718kVFRCHplF6UoLGqpXK:FTSfDh7AL18UwJbhWXK

Score

9^/10

persistence

Malware Config

Signatures

Detects executables packed with ASPack 2 IoCs

resource	yara_rule
behavioral1/memory/2876-0-0x0000000000400000-0x0000000000469000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral1/files/0x0034000000015c8e-5.dat	INDICATOR_EXE_Packed_ASPack

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2572	nhadrjb.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\mrcfdgn.dll	nhadrjb.exe
File created	C:\PROGRA~3\Mozilla\nhadrjb.exe	08a035a9b3a608cecd84b29eeae205174100acb58237036e727de33944b50e46.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2876	08a035a9b3a608cecd84b29eeae205174100acb58237036e727de33944b50e46.exe
2572	nhadrjb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2572	2624	taskeng.exe	28
PID 2624 wrote to memory of 2572	2624	taskeng.exe	28
PID 2624 wrote to memory of 2572	2624	taskeng.exe	28
PID 2624 wrote to memory of 2572	2624	taskeng.exe	28

C:\Users\Admin\AppData\Local\Temp\08a035a9b3a608cecd84b29eeae205174100acb58237036e727de33944b50e46.exe
"C:\Users\Admin\AppData\Local\Temp\08a035a9b3a608cecd84b29eeae205174100acb58237036e727de33944b50e46.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:2876

C:\Windows\system32\taskeng.exe
taskeng.exe {BBF53970-2DB8-4A9B-B05C-AD019E93678C} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2624
- 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:2572

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
276KB

MD5
c255e35c005572284f08a7daf0748181

SHA1
0edc38f74bf41e5825d81644befe3579226dffca

SHA256
1cbdda7b356ad65b9f08a3ea52b568f6c365153b442ad750f4e338d1660f588c

SHA512
b33b401707a1d242a1c5fa137cfbff9effcfa57c159f70d1a29370a754aa81029ad2f3e12dcc5d288a20254e7ee7cc72ce8afe813eb0ef71e2f1197f50342beb

Download Submit
memory/2572-7-0x0000000000470000-0x00000000004CC000-memory.dmp

Filesize
368KB

Download
memory/2572-8-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2572-10-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2876-0-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2876-1-0x0000000000250000-0x00000000002AC000-memory.dmp

Filesize
368KB

Download
memory/2876-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2876-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download