2a5c41fdf30d170d018f746e1e72bb1c4adb6528c7efc3a880ee5e63788acd58

Analysis

max time kernel
90s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 06:05

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General

Target

2a5c41fdf30d170d018f746e1e72bb1c4adb6528c7efc3a880ee5e63788acd58.exe
Size

646KB
MD5

27c41ef3a6904594f4e143a43eb12220
SHA1

4a985397d5b93550640f55215d8c802a5740e393
SHA256

2a5c41fdf30d170d018f746e1e72bb1c4adb6528c7efc3a880ee5e63788acd58
SHA512

3edc6cfb87a023e1cb034c394ea3cec7d01a02bcce53826dc6ec801b5d10561fd1e7e4f15d667f27a8822dbc3c60b6c49618c788744908903800f96f3e0a8892
SSDEEP

12288:fnvoN4gKfKr/xJTgXfx+Q65gTY11IN8S/804mVpCLuXrTi/Fwc/O5z:fv24MrZJgXfwZCWSb7C0XiScG5z

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
300	suxbtjf.exe

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\suxbtjf.exe	2a5c41fdf30d170d018f746e1e72bb1c4adb6528c7efc3a880ee5e63788acd58.exe
File created	C:\PROGRA~3\Mozilla\wkvogyf.dll	suxbtjf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 300	2044	taskeng.exe	29
PID 2044 wrote to memory of 300	2044	taskeng.exe	29
PID 2044 wrote to memory of 300	2044	taskeng.exe	29
PID 2044 wrote to memory of 300	2044	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\2a5c41fdf30d170d018f746e1e72bb1c4adb6528c7efc3a880ee5e63788acd58.exe
"C:\Users\Admin\AppData\Local\Temp\2a5c41fdf30d170d018f746e1e72bb1c4adb6528c7efc3a880ee5e63788acd58.exe"
1⤵
- Drops file in Program Files directory
PID:2040

C:\Windows\system32\taskeng.exe
taskeng.exe {58A38D4B-FA17-4400-AF96-682213B25FBD} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\PROGRA~3\Mozilla\suxbtjf.exe
  C:\PROGRA~3\Mozilla\suxbtjf.exe -wukznwj
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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\suxbtjf.exe

Filesize
646KB

MD5
d392810cdbbc11d7bcf81c20d86ca973

SHA1
e77b911bf73b771d3840aa0ca782a4ffa510f8c5

SHA256
d5635c0e455853c9352e7478e5eafb0ef246e8fcaf60ab820c3be82a1cfb715f

SHA512
08a00d0801d31ef00af925e97ffbb600e1b22dae0b67a0fe744d37483c5128e1bd5b0e754a6d1e810f7c9759ae4b8184433f61ce72bcb9b02585f1091d5ed685

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

Filesize
646KB

MD5
d392810cdbbc11d7bcf81c20d86ca973

SHA1
e77b911bf73b771d3840aa0ca782a4ffa510f8c5

SHA256
d5635c0e455853c9352e7478e5eafb0ef246e8fcaf60ab820c3be82a1cfb715f

SHA512
08a00d0801d31ef00af925e97ffbb600e1b22dae0b67a0fe744d37483c5128e1bd5b0e754a6d1e810f7c9759ae4b8184433f61ce72bcb9b02585f1091d5ed685

Download Submit
memory/300-64-0x0000000000390000-0x00000000003EB000-memory.dmp

Filesize
364KB

Download
memory/2040-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download
memory/2040-55-0x0000000001C70000-0x0000000001CCB000-memory.dmp

Filesize
364KB

Download