46dc49be65d7165e2a6009854a4f27f0088230199e61e0555cb1bd266535874a

Analysis

max time kernel
146s
max time network
73s
platform
windows7_x64
resource
win7v200722
submitted
11-08-2020 12:30

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General

Target

foo/cd89b6c808c296cde0bc77ee630dc7df.exe

Score

8^/10

persistence spyware

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

Chrome.exeChrome.exe

pid process

1944 Chrome.exe
700 Chrome.exe
Loads dropped DLL 1 IoCs

Processes:

cd89b6c808c296cde0bc77ee630dc7df.exe

pid process

1040 cd89b6c808c296cde0bc77ee630dc7df.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1944	Chrome.exe
700	Chrome.exe

pid	process
1040	cd89b6c808c296cde0bc77ee630dc7df.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cd89b6c808c296cde0bc77ee630dc7df.exeChrome.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\Desktop\\Chrome.exe -boot"	cd89b6c808c296cde0bc77ee630dc7df.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Run\pix = "C:\\Users\\Admin\\AppData\\Local\\Temp\\pix\\pix.exe"	Chrome.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Chrome.exe

description pid process target process

PID 1944 set thread context of 700 1944 Chrome.exe Chrome.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Chrome.exe

pid process

700 Chrome.exe
700 Chrome.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1944 set thread context of 700	1944	Chrome.exe	Chrome.exe

pid	process
700	Chrome.exe
700	Chrome.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

cd89b6c808c296cde0bc77ee630dc7df.exeChrome.exeChrome.exe

description	pid	process
Token: SeDebugPrivilege	1040	cd89b6c808c296cde0bc77ee630dc7df.exe
Token: SeDebugPrivilege	1944	Chrome.exe
Token: SeDebugPrivilege	700	Chrome.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Chrome.exe

pid process

700 Chrome.exe

pid	process
700	Chrome.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

cd89b6c808c296cde0bc77ee630dc7df.exeChrome.exe

description	pid	process	target process
PID 1040 wrote to memory of 1944	1040	cd89b6c808c296cde0bc77ee630dc7df.exe	Chrome.exe
PID 1040 wrote to memory of 1944	1040	cd89b6c808c296cde0bc77ee630dc7df.exe	Chrome.exe
PID 1040 wrote to memory of 1944	1040	cd89b6c808c296cde0bc77ee630dc7df.exe	Chrome.exe
PID 1040 wrote to memory of 1944	1040	cd89b6c808c296cde0bc77ee630dc7df.exe	Chrome.exe
PID 1944 wrote to memory of 700	1944	Chrome.exe	Chrome.exe
PID 1944 wrote to memory of 700	1944	Chrome.exe	Chrome.exe
PID 1944 wrote to memory of 700	1944	Chrome.exe	Chrome.exe
PID 1944 wrote to memory of 700	1944	Chrome.exe	Chrome.exe
PID 1944 wrote to memory of 700	1944	Chrome.exe	Chrome.exe
PID 1944 wrote to memory of 700	1944	Chrome.exe	Chrome.exe
PID 1944 wrote to memory of 700	1944	Chrome.exe	Chrome.exe
PID 1944 wrote to memory of 700	1944	Chrome.exe	Chrome.exe
PID 1944 wrote to memory of 700	1944	Chrome.exe	Chrome.exe

C:\Users\Admin\AppData\Local\Temp\foo\cd89b6c808c296cde0bc77ee630dc7df.exe
"C:\Users\Admin\AppData\Local\Temp\foo\cd89b6c808c296cde0bc77ee630dc7df.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\Desktop\Chrome.exe
  "C:\Users\Admin\Desktop\Chrome.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Users\Admin\Desktop\Chrome.exe
    "C:\Users\Admin\Desktop\Chrome.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:700

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

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\Chrome.exe

MD5
cd89b6c808c296cde0bc77ee630dc7df

SHA1
47a17c5b8263acb882f078b81897f615c25de0ca

SHA256
246ad930ec77776b847e9470b725029f5dd5e0384b869d6105c3571b8cb8189a

SHA512
a51620d5170356cabb73cfe2f9f2de54d52467c3a126b2b34eef5d18a84b6cd6e68b2003168c8b077abee1d58d1aa9e5af58ee65eaaee4a75f9414c04bc169fa

Download Submit
C:\Users\Admin\Desktop\Chrome.exe

MD5
cd89b6c808c296cde0bc77ee630dc7df

SHA1
47a17c5b8263acb882f078b81897f615c25de0ca

SHA256
246ad930ec77776b847e9470b725029f5dd5e0384b869d6105c3571b8cb8189a

SHA512
a51620d5170356cabb73cfe2f9f2de54d52467c3a126b2b34eef5d18a84b6cd6e68b2003168c8b077abee1d58d1aa9e5af58ee65eaaee4a75f9414c04bc169fa

Download Submit
C:\Users\Admin\Desktop\Chrome.exe

MD5
cd89b6c808c296cde0bc77ee630dc7df

SHA1
47a17c5b8263acb882f078b81897f615c25de0ca

SHA256
246ad930ec77776b847e9470b725029f5dd5e0384b869d6105c3571b8cb8189a

SHA512
a51620d5170356cabb73cfe2f9f2de54d52467c3a126b2b34eef5d18a84b6cd6e68b2003168c8b077abee1d58d1aa9e5af58ee65eaaee4a75f9414c04bc169fa

Download Submit
\Users\Admin\Desktop\Chrome.exe

MD5
cd89b6c808c296cde0bc77ee630dc7df

SHA1
47a17c5b8263acb882f078b81897f615c25de0ca

SHA256
246ad930ec77776b847e9470b725029f5dd5e0384b869d6105c3571b8cb8189a

SHA512
a51620d5170356cabb73cfe2f9f2de54d52467c3a126b2b34eef5d18a84b6cd6e68b2003168c8b077abee1d58d1aa9e5af58ee65eaaee4a75f9414c04bc169fa

Download Submit
memory/700-4-0x0000000000402000-0x0000000000434000-memory.dmp

Filesize
200KB

Download
memory/700-6-0x0000000000400000-0x0000000000400200-memory.dmp

Filesize
512B

Download
memory/700-7-0x0000000000402000-0x0000000000434000-memory.dmp

Filesize
200KB

Download
memory/1944-1-0x0000000000000000-mapping.dmp

Download
memory/2004-8-0x000007FEF7620000-0x000007FEF789A000-memory.dmp

Filesize
2.5MB

Download