03840f3e790cc87054fb2cedbe9599ea8ecd5627a845e31ec80ac09d6b279e3f

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/03/2024, 23:01

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General

Target

c1d3eba84431214902d4c562999317e8.exe
Size

315KB
MD5

c1d3eba84431214902d4c562999317e8
SHA1

888506300aebcd27ff1f4c60cd4cbbc2da7006cc
SHA256

03840f3e790cc87054fb2cedbe9599ea8ecd5627a845e31ec80ac09d6b279e3f
SHA512

55756420c0ac77ace4aa81add45a89197ae10504d09810a0512c391af57a6b11bddd6ab8fa321e9a9a22dd5ba3cae48f64fc96710a95b8ce6c374f8d62ecc1e8
SSDEEP

6144:j/m6Mh9mPutuTST7yiza7inj1VwPq3BnZGrM60IcEemaF0utMa:S69usromqRZG90IAQa

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2996	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2444	frepq.exe

Loads dropped DLL 3 IoCs

pid	Process
2996	cmd.exe
2996	cmd.exe
2444	frepq.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2564	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2532	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe
2444	frepq.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2996	2972	c1d3eba84431214902d4c562999317e8.exe	28
PID 2972 wrote to memory of 2996	2972	c1d3eba84431214902d4c562999317e8.exe	28
PID 2972 wrote to memory of 2996	2972	c1d3eba84431214902d4c562999317e8.exe	28
PID 2972 wrote to memory of 2996	2972	c1d3eba84431214902d4c562999317e8.exe	28
PID 2996 wrote to memory of 2564	2996	cmd.exe	30
PID 2996 wrote to memory of 2564	2996	cmd.exe	30
PID 2996 wrote to memory of 2564	2996	cmd.exe	30
PID 2996 wrote to memory of 2564	2996	cmd.exe	30
PID 2996 wrote to memory of 2532	2996	cmd.exe	32
PID 2996 wrote to memory of 2532	2996	cmd.exe	32
PID 2996 wrote to memory of 2532	2996	cmd.exe	32
PID 2996 wrote to memory of 2532	2996	cmd.exe	32
PID 2996 wrote to memory of 2444	2996	cmd.exe	33
PID 2996 wrote to memory of 2444	2996	cmd.exe	33
PID 2996 wrote to memory of 2444	2996	cmd.exe	33
PID 2996 wrote to memory of 2444	2996	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\c1d3eba84431214902d4c562999317e8.exe
"C:\Users\Admin\AppData\Local\Temp\c1d3eba84431214902d4c562999317e8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2972 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\c1d3eba84431214902d4c562999317e8.exe" & start C:\Users\Admin\AppData\Local\frepq.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2972
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2564
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2532
- - C:\Users\Admin\AppData\Local\frepq.exe
    C:\Users\Admin\AppData\Local\frepq.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\frepq.exe

Filesize
315KB

MD5
c1d3eba84431214902d4c562999317e8

SHA1
888506300aebcd27ff1f4c60cd4cbbc2da7006cc

SHA256
03840f3e790cc87054fb2cedbe9599ea8ecd5627a845e31ec80ac09d6b279e3f

SHA512
55756420c0ac77ace4aa81add45a89197ae10504d09810a0512c391af57a6b11bddd6ab8fa321e9a9a22dd5ba3cae48f64fc96710a95b8ce6c374f8d62ecc1e8

Download Submit
memory/2444-13-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2444-16-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2444-20-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2444-19-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2444-10-0x0000000000250000-0x0000000000252000-memory.dmp

Filesize
8KB

Download
memory/2444-9-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2444-18-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2444-14-0x0000000000250000-0x0000000000252000-memory.dmp

Filesize
8KB

Download
memory/2444-12-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2444-15-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2444-17-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2972-0-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2972-2-0x0000000000250000-0x0000000000252000-memory.dmp

Filesize
8KB

Download
memory/2972-1-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2972-4-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download