9121d929344af6adf9a1dbdc43f4d20a3005aaddc350ceaa97033848f7a81429

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
05/11/2023, 02:12

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General

Target

NEAS.b18d0f9c7ca3a9e16190d5540cdf7340_JC.exe
Size

150KB
MD5

b18d0f9c7ca3a9e16190d5540cdf7340
SHA1

2082cfff973717b98503822abcbbf55d3b2028a2
SHA256

9121d929344af6adf9a1dbdc43f4d20a3005aaddc350ceaa97033848f7a81429
SHA512

e9d3a3e3f7175f4b1ae884a314979e21e140108d9f13e9dd3ee5c23776b9fa3999bdf4959b590bb39a3e6322416044b95c55d02b28fd283ce1ecd2b8fc17a9e0
SSDEEP

3072:4kmdFupAeTTMlDdj3kFGwMTO9XS9nWNSwIvkI9q0cO:4kmmppUSF2TO982IZz

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
844	ajahmjj.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\ajahmjj.exe	NEAS.b18d0f9c7ca3a9e16190d5540cdf7340_JC.exe
File created	C:\PROGRA~3\Mozilla\ghzyxbm.dll	ajahmjj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 844	2352	taskeng.exe	29
PID 2352 wrote to memory of 844	2352	taskeng.exe	29
PID 2352 wrote to memory of 844	2352	taskeng.exe	29
PID 2352 wrote to memory of 844	2352	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.b18d0f9c7ca3a9e16190d5540cdf7340_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b18d0f9c7ca3a9e16190d5540cdf7340_JC.exe"
1⤵
- Drops file in Program Files directory
PID:1968

C:\Windows\system32\taskeng.exe
taskeng.exe {01D28F48-2B37-468E-91F4-7FFB801768B7} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\PROGRA~3\Mozilla\ajahmjj.exe
  C:\PROGRA~3\Mozilla\ajahmjj.exe -mngyzad
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:844

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\ajahmjj.exe

Filesize
150KB

MD5
79853e2bdbaa8bb1ccb89510f09af7f9

SHA1
57ad43357462e6cc7997045aa67232172a0ba97b

SHA256
fa4973e5071266cea5d2c63d522731de2414c5481322f3236bcd821fa106f968

SHA512
3f3fa8cbdd766df93d0625735cbfd411a6b5e31dfdef0604c530ee2558af3991fbc0a3e68d3ff855c07c1d3ff7f9d253bcec48e59f5242669007dd3c26cc660d

Download Submit
C:\PROGRA~3\Mozilla\ajahmjj.exe

Filesize
150KB

MD5
79853e2bdbaa8bb1ccb89510f09af7f9

SHA1
57ad43357462e6cc7997045aa67232172a0ba97b

SHA256
fa4973e5071266cea5d2c63d522731de2414c5481322f3236bcd821fa106f968

SHA512
3f3fa8cbdd766df93d0625735cbfd411a6b5e31dfdef0604c530ee2558af3991fbc0a3e68d3ff855c07c1d3ff7f9d253bcec48e59f5242669007dd3c26cc660d

Download Submit
memory/844-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/844-11-0x0000000000430000-0x000000000048B000-memory.dmp

Filesize
364KB

Download
memory/1968-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1968-1-0x00000000002E0000-0x000000000033B000-memory.dmp

Filesize
364KB

Download
memory/1968-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download