e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f

General

Target

e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe
Size

811KB
MD5

f6b3b7a302a1c13691b59b6237f7e9bc
SHA1

f6965076f5854f806f7561a31375db0a023c8df2
SHA256

e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f
SHA512

6d8e0a3a6dbc88dda6a6ff5b5876df1fc6eb68daca2748870232399702cee0f0af1e73d14432c48287a434c8685f327b602ead2ccc2928d05f56a5e7fe2bb543
SSDEEP

6144:oJen3OZTtGpDBA872WzrrBCiX1hM6UhevMY/YrwnrVXAJsB3g7bgvI3jjZ6ir2Rw:oJa8EFAszrrBqLYvCmxAWNbA3GGkgd

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe

Executes dropped EXE 2 IoCs

pid	Process
2544	Derrubar Facebook 2015 Funcional.exe
3756	Server trojan.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Server trojan.exe2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Server trojan.exe"	e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3824	3756	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Derrubar Facebook 2015 Funcional.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server trojan.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1956	e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2544	1956	e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe	83
PID 1956 wrote to memory of 2544	1956	e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe	83
PID 1956 wrote to memory of 2544	1956	e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe	83
PID 1956 wrote to memory of 3756	1956	e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe	84
PID 1956 wrote to memory of 3756	1956	e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe	84
PID 1956 wrote to memory of 3756	1956	e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe	84

C:\Users\Admin\AppData\Local\Temp\e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe
"C:\Users\Admin\AppData\Local\Temp\e2a8a9d61a0a5c4ba2e3c5717da1cd40c3bc5bfe8d1bbf5429e9837fc2a9118f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\Derrubar Facebook 2015 Funcional.exe
  "C:\Users\Admin\AppData\Local\Temp\Derrubar Facebook 2015 Funcional.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Users\Admin\AppData\Local\Temp\Server trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Server trojan.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 448
    3⤵
    - Program crash
    PID:3824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3756 -ip 3756
1⤵
PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Derrubar Facebook 2015 Funcional.exe

Filesize
274KB

MD5
3c742bbf590e2c5df59cfa715df43936

SHA1
c229ecd2d9a39ca3addf8266815c5cd061538a55

SHA256
63eccb45ae9c896b159a518fe408f8b11f2854260696d0c9121fe4230dd3f455

SHA512
c9f951bb9e026cea6e354cdb2a8697c8cb279fba2dca2874d345d79d32686b36b7f962a93150e103002dc613b547b5e8522781902396f206cddb94f030f89fd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server trojan.exe

Filesize
232KB

MD5
1f2f2caea8d98b4e8b8ee71c399dbdf0

SHA1
6d0de226a7f9e1dd2c5328c0f722fd621d6e0314

SHA256
ba58347ae01e7077753c71332b5c72585259d8501c26ec9a534e9af28dba7cf4

SHA512
88d11d60ce2e9085ec0607c09a0b1cd4aba11ff8001130661ddbb00bf8c7860f3ee535c4933b1a4de23a525b983bb142de3286f50b15e24e05a19376ea81dd91

Download Submit
memory/2544-27-0x00000000050D0000-0x0000000005162000-memory.dmp

Filesize
584KB

Download
memory/2544-31-0x0000000005400000-0x0000000005410000-memory.dmp

Filesize
64KB

Download
memory/2544-23-0x00000000007F0000-0x000000000083C000-memory.dmp

Filesize
304KB

Download
memory/2544-34-0x0000000005400000-0x0000000005410000-memory.dmp

Filesize
64KB

Download
memory/2544-33-0x0000000005400000-0x0000000005410000-memory.dmp

Filesize
64KB

Download
memory/2544-26-0x0000000005580000-0x0000000005B24000-memory.dmp

Filesize
5.6MB

Download
memory/2544-21-0x0000000072EAE000-0x0000000072EAF000-memory.dmp

Filesize
4KB

Download
memory/2544-28-0x0000000005210000-0x00000000052AC000-memory.dmp

Filesize
624KB

Download
memory/2544-29-0x0000000005400000-0x0000000005410000-memory.dmp

Filesize
64KB

Download
memory/2544-30-0x0000000005190000-0x000000000519A000-memory.dmp

Filesize
40KB

Download
memory/2544-32-0x0000000072EAE000-0x0000000072EAF000-memory.dmp

Filesize
4KB

Download
memory/3756-22-0x0000000072832000-0x0000000072833000-memory.dmp

Filesize
4KB

Download
memory/3756-25-0x0000000072830000-0x0000000072DE1000-memory.dmp

Filesize
5.7MB

Download
memory/3756-24-0x0000000072830000-0x0000000072DE1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads