2e53a6710f04dd84cfd3ac1874a2a61e690568405f192e7cbf8a4df12da334c4

General

Target

file.exe
Size

111KB
MD5

5b45640a3bd4fdc32df75aa462f5a167
SHA1

fdc2b61ca7b5c31ba48155d364b8797990e2eaee
SHA256

2e53a6710f04dd84cfd3ac1874a2a61e690568405f192e7cbf8a4df12da334c4
SHA512

3f3e86e14f0a09bafd374da2417452bc69741e14c2d4e1a4b208a94e1a2c9cd3a0c4336ec23e9b046bcad051aac8d6f05d4477cb516c3700b27f21e023106963
SSDEEP

3072:lb4MOYUuQaS+T8sv8X31OjqOjNhOYRbxqH8QW2zCrAZuRs5:wYUuQaS+T8sv8X31OXN1bgl

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
288	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
856	rat.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1960	856	WerFault.exe	37

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1948	schtasks.exe
788	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1620	timeout.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
604	tasklist.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
856	rat.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
856	rat.exe
856	rat.exe
856	rat.exe
856	rat.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1228	file.exe
Token: SeDebugPrivilege	604	tasklist.exe
Token: SeDebugPrivilege	856	rat.exe
Token: SeDebugPrivilege	856	rat.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
856	rat.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 1948	1228	file.exe	30
PID 1228 wrote to memory of 1948	1228	file.exe	30
PID 1228 wrote to memory of 1948	1228	file.exe	30
PID 1228 wrote to memory of 288	1228	file.exe	32
PID 1228 wrote to memory of 288	1228	file.exe	32
PID 1228 wrote to memory of 288	1228	file.exe	32
PID 288 wrote to memory of 604	288	cmd.exe	34
PID 288 wrote to memory of 604	288	cmd.exe	34
PID 288 wrote to memory of 604	288	cmd.exe	34
PID 288 wrote to memory of 1564	288	cmd.exe	35
PID 288 wrote to memory of 1564	288	cmd.exe	35
PID 288 wrote to memory of 1564	288	cmd.exe	35
PID 288 wrote to memory of 1620	288	cmd.exe	36
PID 288 wrote to memory of 1620	288	cmd.exe	36
PID 288 wrote to memory of 1620	288	cmd.exe	36
PID 288 wrote to memory of 856	288	cmd.exe	37
PID 288 wrote to memory of 856	288	cmd.exe	37
PID 288 wrote to memory of 856	288	cmd.exe	37
PID 856 wrote to memory of 788	856	rat.exe	39
PID 856 wrote to memory of 788	856	rat.exe	39
PID 856 wrote to memory of 788	856	rat.exe	39
PID 856 wrote to memory of 1960	856	rat.exe	41
PID 856 wrote to memory of 1960	856	rat.exe	41
PID 856 wrote to memory of 1960	856	rat.exe	41

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\ToxicEye\rat.exe"
  2⤵
  - Creates scheduled task(s)
  PID:1948
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp1FF0.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp1FF0.tmp.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:288
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 1228"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:604
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:1564
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:1620
- - C:\Users\ToxicEye\rat.exe
    "rat.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:856
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\ToxicEye\rat.exe"
      4⤵
      Creates scheduled task(s)
      PID:788
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 856 -s 1728
      4⤵
      Program crash
      PID:1960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Process Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1FF0.tmp.bat

Filesize
181B

MD5
8180adedaaee6f0a90ec44865da5f821

SHA1
dc17a83b7b76b6bc4432426dd32fbc5abf3c1590

SHA256
760e564be2376985aec356120c082c9171c36aede88ecf0d467c35685106ddb8

SHA512
50dea08b506a3fb00c80c351182312bfc7deacc86591f4510ba0ecabe345ce665576cc7a9c7bbc21c709144f2094504cedd9c4d5c8e287ff2330f193bca85ee5

Download Submit
C:\Users\ToxicEye\rat.exe

Filesize
111KB

MD5
5b45640a3bd4fdc32df75aa462f5a167

SHA1
fdc2b61ca7b5c31ba48155d364b8797990e2eaee

SHA256
2e53a6710f04dd84cfd3ac1874a2a61e690568405f192e7cbf8a4df12da334c4

SHA512
3f3e86e14f0a09bafd374da2417452bc69741e14c2d4e1a4b208a94e1a2c9cd3a0c4336ec23e9b046bcad051aac8d6f05d4477cb516c3700b27f21e023106963

Download Submit
C:\Users\ToxicEye\rat.exe

Filesize
111KB

MD5
5b45640a3bd4fdc32df75aa462f5a167

SHA1
fdc2b61ca7b5c31ba48155d364b8797990e2eaee

SHA256
2e53a6710f04dd84cfd3ac1874a2a61e690568405f192e7cbf8a4df12da334c4

SHA512
3f3e86e14f0a09bafd374da2417452bc69741e14c2d4e1a4b208a94e1a2c9cd3a0c4336ec23e9b046bcad051aac8d6f05d4477cb516c3700b27f21e023106963

Download Submit
memory/856-62-0x0000000000FB0000-0x0000000000FD2000-memory.dmp

Filesize
136KB

Download
memory/856-63-0x000000001AE80000-0x000000001AF00000-memory.dmp

Filesize
512KB

Download
memory/856-64-0x000000001AE80000-0x000000001AF00000-memory.dmp

Filesize
512KB

Download
memory/1228-54-0x00000000013A0000-0x00000000013C2000-memory.dmp

Filesize
136KB

Download
memory/1228-55-0x000000001B210000-0x000000001B290000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads