2303dae90181b4caf165473372d12e2a6c98cb52b9d2f176e1cd238f8fffb883

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
05/11/2023, 17:09

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General

Target

NEAS.7980aa7376a75f37864be61bf4f1e020_JC.exe
Size

149KB
MD5

7980aa7376a75f37864be61bf4f1e020
SHA1

8697a9f8c12108deb85dc02b6ab54221270613ef
SHA256

2303dae90181b4caf165473372d12e2a6c98cb52b9d2f176e1cd238f8fffb883
SHA512

fcaab96baf8c69fc78177f4ae6897b99e4a18aab57146e4cac8482a91f3f0f3e2ec0d249d723f552acf0f79a535790ce4dffb3758e0af6d2eac700f087ef834d
SSDEEP

3072:J/BH9p/3K+AEkzgXrGqJM4qd3bGjhkqsXb3:JR9pTAEkz6rGq4Bbq2b

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
2748	wwljcul.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\wwljcul.exe	NEAS.7980aa7376a75f37864be61bf4f1e020_JC.exe
File created	C:\PROGRA~3\Mozilla\sdwojsn.dll	wwljcul.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2748	1952	taskeng.exe	29
PID 1952 wrote to memory of 2748	1952	taskeng.exe	29
PID 1952 wrote to memory of 2748	1952	taskeng.exe	29
PID 1952 wrote to memory of 2748	1952	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.7980aa7376a75f37864be61bf4f1e020_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.7980aa7376a75f37864be61bf4f1e020_JC.exe"
1⤵
- Drops file in Program Files directory
PID:812

C:\Windows\system32\taskeng.exe
taskeng.exe {5C1BE4D1-7BC1-4758-93CD-9D83B7930309} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1952
- C:\PROGRA~3\Mozilla\wwljcul.exe
  C:\PROGRA~3\Mozilla\wwljcul.exe -anxczaj
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2748

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\wwljcul.exe

Filesize
149KB

MD5
df1a4711911d00d233e8d2051446c352

SHA1
7483262a22af152d6b03bc0a493c272f57710794

SHA256
b12d2d3bbbb4b54f0c12b79178e4bd42f508a5f708d3d5c8fc2681158c53d8d8

SHA512
255a855486fb5af99b5494c0eccfbd6897948630caa976dcc952c19e1b80fad5cf86ab0658cd7b01ebc3a4fbdecef78dc003d5984dfc6cb5296abff9d7d81889

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

Filesize
149KB

MD5
df1a4711911d00d233e8d2051446c352

SHA1
7483262a22af152d6b03bc0a493c272f57710794

SHA256
b12d2d3bbbb4b54f0c12b79178e4bd42f508a5f708d3d5c8fc2681158c53d8d8

SHA512
255a855486fb5af99b5494c0eccfbd6897948630caa976dcc952c19e1b80fad5cf86ab0658cd7b01ebc3a4fbdecef78dc003d5984dfc6cb5296abff9d7d81889

Download Submit
memory/812-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/812-1-0x0000000000220000-0x000000000027B000-memory.dmp

Filesize
364KB

Download
memory/812-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2748-10-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2748-11-0x0000000000750000-0x00000000007AB000-memory.dmp

Filesize
364KB

Download
memory/2748-17-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download