dcrat | e4a958444e72eb1b3be02f3a8bf29044a81f328405a4969a4f66515ef219774e

Analysis

max time kernel
120s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 18:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

E7870CD0C30A52066C454C15A5A5A2F5.exe
Size

3.5MB
MD5

e7870cd0c30a52066c454c15a5a5a2f5
SHA1

fc64203e05c104a116e7e4c354c9ee77c99737d6
SHA256

e4a958444e72eb1b3be02f3a8bf29044a81f328405a4969a4f66515ef219774e
SHA512

3e0a40959eaba1fbf3cb7a11707bc658421f3066e4e1beea56088ac213c10524127d4d9e2500e549a1ee608887c113973892d54fb91fae6ea9db4eb9e818bebe
SSDEEP

98304:sALvAvoV3JDBQSBK5f7a6uBt9iofavIa:smvvV5DpQ7a6ugoCvI

Score

10^/10

dcrat discovery infostealer rat

Malware Config

Signatures

DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat
Dcrat family
dcrat

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File created	C:\Program Files\Google\Chrome\Application\audiodg.exe	E7870CD0C30A52066C454C15A5A5A2F5.exe
File created	C:\Program Files\Windows Photo Viewer\ja-JP\dwm.exe	E7870CD0C30A52066C454C15A5A5A2F5.exe
File created	C:\Program Files (x86)\Uninstall Information\5940a34987c991	E7870CD0C30A52066C454C15A5A5A2F5.exe
File created	C:\Program Files (x86)\Uninstall Information\dllhost.exe	E7870CD0C30A52066C454C15A5A5A2F5.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\audiodg.exe	E7870CD0C30A52066C454C15A5A5A2F5.exe
File created	C:\Program Files\Google\Chrome\Application\42af1c969fbb7b	E7870CD0C30A52066C454C15A5A5A2F5.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\SaslPrep\services.exe	E7870CD0C30A52066C454C15A5A5A2F5.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\SaslPrep\c5b4cb5e9653cc	E7870CD0C30A52066C454C15A5A5A2F5.exe
File created	C:\Program Files\Windows Photo Viewer\ja-JP\6cb0b6c459d5d3	E7870CD0C30A52066C454C15A5A5A2F5.exe

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

System Information Discovery
T1082

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1664	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1664	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
1044	E7870CD0C30A52066C454C15A5A5A2F5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	E7870CD0C30A52066C454C15A5A5A2F5.exe
Token: SeDebugPrivilege	792	E7870CD0C30A52066C454C15A5A5A2F5.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 2496	1044	E7870CD0C30A52066C454C15A5A5A2F5.exe	28
PID 1044 wrote to memory of 2496	1044	E7870CD0C30A52066C454C15A5A5A2F5.exe	28
PID 1044 wrote to memory of 2496	1044	E7870CD0C30A52066C454C15A5A5A2F5.exe	28
PID 2496 wrote to memory of 2576	2496	cmd.exe	30
PID 2496 wrote to memory of 2576	2496	cmd.exe	30
PID 2496 wrote to memory of 2576	2496	cmd.exe	30
PID 2496 wrote to memory of 1664	2496	cmd.exe	31
PID 2496 wrote to memory of 1664	2496	cmd.exe	31
PID 2496 wrote to memory of 1664	2496	cmd.exe	31
PID 2496 wrote to memory of 792	2496	cmd.exe	32
PID 2496 wrote to memory of 792	2496	cmd.exe	32
PID 2496 wrote to memory of 792	2496	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\E7870CD0C30A52066C454C15A5A5A2F5.exe
"C:\Users\Admin\AppData\Local\Temp\E7870CD0C30A52066C454C15A5A5A2F5.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\SHteUbqsfJ.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2496
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2576
- - C:\Windows\system32\PING.EXE
    ping -n 10 localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1664
- - C:\Users\Admin\AppData\Local\Temp\E7870CD0C30A52066C454C15A5A5A2F5.exe
    "C:\Users\Admin\AppData\Local\Temp\E7870CD0C30A52066C454C15A5A5A2F5.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:792

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\SHteUbqsfJ.bat

Filesize
198B

MD5
40685fdb41591e59f9ff20b04d20050b

SHA1
b3ce27b838177c22be10d56cb7975ad81028c923

SHA256
33414f8a10bc897dfa0f89524dd57e940629f3b029c7458d8c36bf7359107f59

SHA512
e396100e61ad79a64ce5602b053228c87feabd2be843a1da7e5fc22dca91d2c75ef5b3ef4841bc0c88549f4bf76dedef77c214d0d7deb326a098c0a72aae6c3d

Download Submit
C:\Users\Public\lsass.exe

Filesize
3.5MB

MD5
e7870cd0c30a52066c454c15a5a5a2f5

SHA1
fc64203e05c104a116e7e4c354c9ee77c99737d6

SHA256
e4a958444e72eb1b3be02f3a8bf29044a81f328405a4969a4f66515ef219774e

SHA512
3e0a40959eaba1fbf3cb7a11707bc658421f3066e4e1beea56088ac213c10524127d4d9e2500e549a1ee608887c113973892d54fb91fae6ea9db4eb9e818bebe

Download Submit
memory/792-75-0x00000000003C0000-0x000000000074E000-memory.dmp

Filesize
3.6MB

Download
memory/1044-20-0x00000000002D0000-0x00000000002E0000-memory.dmp

Filesize
64KB

Download
memory/1044-74-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/1044-6-0x00000000002A0000-0x00000000002C6000-memory.dmp

Filesize
152KB

Download
memory/1044-31-0x00000000003C0000-0x00000000003D0000-memory.dmp

Filesize
64KB

Download
memory/1044-8-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/1044-10-0x0000000000280000-0x000000000028E000-memory.dmp

Filesize
56KB

Download
memory/1044-13-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/1044-16-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/1044-15-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/1044-12-0x0000000000380000-0x000000000039C000-memory.dmp

Filesize
112KB

Download
memory/1044-18-0x00000000003A0000-0x00000000003B8000-memory.dmp

Filesize
96KB

Download
memory/1044-27-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/1044-26-0x0000000000370000-0x000000000037E000-memory.dmp

Filesize
56KB

Download
memory/1044-24-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/1044-29-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download
memory/1044-23-0x0000000000360000-0x0000000000370000-memory.dmp

Filesize
64KB

Download
memory/1044-21-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/1044-0-0x000007FEF5233000-0x000007FEF5234000-memory.dmp

Filesize
4KB

Download
memory/1044-7-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/1044-4-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/1044-37-0x00000000003D0000-0x00000000003DE000-memory.dmp

Filesize
56KB

Download
memory/1044-35-0x0000000000540000-0x0000000000552000-memory.dmp

Filesize
72KB

Download
memory/1044-39-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/1044-41-0x0000000000560000-0x0000000000570000-memory.dmp

Filesize
64KB

Download
memory/1044-43-0x0000000001360000-0x00000000013BA000-memory.dmp

Filesize
360KB

Download
memory/1044-45-0x0000000000570000-0x000000000057E000-memory.dmp

Filesize
56KB

Download
memory/1044-47-0x0000000000580000-0x0000000000590000-memory.dmp

Filesize
64KB

Download
memory/1044-49-0x0000000000590000-0x000000000059E000-memory.dmp

Filesize
56KB

Download
memory/1044-51-0x00000000005E0000-0x00000000005F8000-memory.dmp

Filesize
96KB

Download
memory/1044-53-0x00000000005A0000-0x00000000005AC000-memory.dmp

Filesize
48KB

Download
memory/1044-55-0x000000001B090000-0x000000001B0DE000-memory.dmp

Filesize
312KB

Download
memory/1044-3-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/1044-67-0x000007FEF5233000-0x000007FEF5234000-memory.dmp

Filesize
4KB

Download
memory/1044-71-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/1044-2-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/1044-33-0x0000000000520000-0x0000000000536000-memory.dmp

Filesize
88KB

Download
memory/1044-1-0x00000000013E0000-0x000000000176E000-memory.dmp

Filesize
3.6MB

Download