formbook | 3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b

General

Target

3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe
Size

694KB
MD5

cf4274ca7587295567c667da6e1bd0e0
SHA1

1e6f09bbb822019d3311f317688756d48d0d931a
SHA256

3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b
SHA512

c201dfabb87ef9252fe1124dc46bf3a6a0da685c87047e53a2d103c9f40c1992c245c168758c6286727150cc71ec20536945279a5d3360cf5ce8ced27ba324f5
SSDEEP

12288:diIR4R52J+XtONxhwH7L8US0zA50ziWjBoAOIFSDhmAfUq/Wy9jwW7i5IjlMIR:diIeeDNwH7o+cW9oAbtAMq+y9GI

Score

10^/10

formbook ax19 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ax19

Decoy

nmarklun.biz

eadithere.net

oytromcm.net

6gu536d.shop

hysicsjunction.online

esistivitysensors.net

ealthcare-software-53940.bond

tupid-edsee.cyou

614.lat

agmart.store

lothesthesale.store

ranopen.info

c1v.lat

owflyingbugs.online

undumimmobilien.net

nline-advertising-57252.bond

orktyper.net

kten10.shop

sadeaguia.net

ouseofnormal.party

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2696-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1600 set thread context of 2696	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe	32

System Location Discovery: System Language Discovery 1 TTPs 1 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	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe
1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe
2696	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 2984	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe	31
PID 1600 wrote to memory of 2984	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe	31
PID 1600 wrote to memory of 2984	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe	31
PID 1600 wrote to memory of 2984	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe	31
PID 1600 wrote to memory of 2696	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe	32
PID 1600 wrote to memory of 2696	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe	32
PID 1600 wrote to memory of 2696	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe	32
PID 1600 wrote to memory of 2696	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe	32
PID 1600 wrote to memory of 2696	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe	32
PID 1600 wrote to memory of 2696	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe	32
PID 1600 wrote to memory of 2696	1600	3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe	32

C:\Users\Admin\AppData\Local\Temp\3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe
"C:\Users\Admin\AppData\Local\Temp\3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Users\Admin\AppData\Local\Temp\3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe
  "C:\Users\Admin\AppData\Local\Temp\3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe"
  2⤵
  PID:2984
- C:\Users\Admin\AppData\Local\Temp\3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe
  "C:\Users\Admin\AppData\Local\Temp\3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1600-6-0x00000000075B0000-0x0000000007628000-memory.dmp

Filesize
480KB

Download
memory/1600-1-0x0000000000280000-0x0000000000334000-memory.dmp

Filesize
720KB

Download
memory/1600-2-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1600-3-0x0000000000540000-0x0000000000558000-memory.dmp

Filesize
96KB

Download
memory/1600-4-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/1600-5-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1600-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/1600-12-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2696-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2696-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2696-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2696-13-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download

Analysis

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