formbook | 3584181ba3277afac8408bf0bfce40dc783cb4f0e53ffcb1969a7ce8ec64376b

General

Target

abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe
Size

665KB
MD5

ab63451afa0cfcaba8e5b555a3c00a3c
SHA1

d1f2b048c4b3cf31cf1e99c9d531109c33eab939
SHA256

abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2
SHA512

5d4e946e9b9b302af655c27e67a98bac6cf7184c1df974fdd2158a1ad46ba04818aea26419d8e6b6ab51de7944a9144cd68f16aeb7cc964c96cbc50d86f45fbd
SSDEEP

12288:Rt1mtiK5oBhiSXXRreHiKpQNyKTG1yPr4ZYPZ9RVATn2F/n4EsZ1XEnPHfOq:z1+FoB4SRolQXKYPr1fRTF/PmGP

Score

10^/10

formbook s3dy discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

s3dy

Decoy

ravlygte.info

marketnewsville.online

flooring-envy.com

flavourhouston.com

donghohanghieunam.com

globleitsolutions.com

digitalgraphicarts.com

cupidbeautybar.com

cannavybes.com

negative-dsp.com

littledali.com

meltwatersoftware.info

blackdogland.com

danasales.com

mississippiscorecard.com

mainesmoker.com

sirenxinlilzixun.com

tychehang.com

gentciu.com

weckloltd.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1380-14-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1380-17-0x0000000000930000-0x0000000000C33000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1820 set thread context of 1380	1820	abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe	29

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	abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1380	abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 1380	1820	abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe	29
PID 1820 wrote to memory of 1380	1820	abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe	29
PID 1820 wrote to memory of 1380	1820	abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe	29
PID 1820 wrote to memory of 1380	1820	abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe	29
PID 1820 wrote to memory of 1380	1820	abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe	29
PID 1820 wrote to memory of 1380	1820	abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe	29
PID 1820 wrote to memory of 1380	1820	abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe	29

C:\Users\Admin\AppData\Local\Temp\abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe
"C:\Users\Admin\AppData\Local\Temp\abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Users\Admin\AppData\Local\Temp\abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe
  "C:\Users\Admin\AppData\Local\Temp\abc5f0bba372268d0f2bf14855e720c4bae3e865a23ef46a8f9adb31ed9934c2.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1380

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/1380-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1380-17-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/1380-16-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/1380-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1380-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1380-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1820-3-0x00000000005C0000-0x00000000005E2000-memory.dmp

Filesize
136KB

Download
memory/1820-7-0x0000000001F90000-0x0000000001FDA000-memory.dmp

Filesize
296KB

Download
memory/1820-6-0x0000000004DF0000-0x0000000004E6E000-memory.dmp

Filesize
504KB

Download
memory/1820-5-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/1820-4-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/1820-0-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/1820-15-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/1820-2-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/1820-1-0x0000000000880000-0x000000000092C000-memory.dmp

Filesize
688KB

Download

Analysis

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