formbook | b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334

General

Target

b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe
Size

633KB
MD5

04aad3880cdd785ac57270d136b4ae5d
SHA1

889ee3a18eb2e035668acc707cff787fea501734
SHA256

b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334
SHA512

1e0b7f42b820a6cbfabfe9e0e7aa63787e7286bf94308df47dc4f049b424347507b4744d89d0d1cb5ce5f60fc59ea1661f597e3b89290786cc30c9fb1b2dd5a4
SSDEEP

12288:WUFzK9EHj+5YySzHAOZiUUt70/5FUNcLz5LqR3CF/m4fkn:ZzK9EHjuYySzgOBSQLUNcpelCQckn

Score

10^/10

formbook ps15 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ps15

Decoy

57797.asia

jhpwt.net

basketballdrillsforkids.com

zgzf6.rest

casinomaxnodepositbonus.icu

uptocryptonews.com

gomenasorry.com

fortanix.space

stripscity.xyz

genbotdiy.xyz

mayson-wedding.com

neb-hub.net

seancollinsmusic.com

migraine-treatment-57211.bond

prosperawoman.info

tradefairleads.tech

xn--yeminlitercme-6ob.com

xwaveevent.com

fashiontrendshub.xyz

window-replacement-80823.bond

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2244-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 2244	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.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	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe
2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe
2244	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2052	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe	31
PID 2228 wrote to memory of 2052	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe	31
PID 2228 wrote to memory of 2052	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe	31
PID 2228 wrote to memory of 2052	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe	31
PID 2228 wrote to memory of 2244	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe	32
PID 2228 wrote to memory of 2244	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe	32
PID 2228 wrote to memory of 2244	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe	32
PID 2228 wrote to memory of 2244	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe	32
PID 2228 wrote to memory of 2244	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe	32
PID 2228 wrote to memory of 2244	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe	32
PID 2228 wrote to memory of 2244	2228	b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe	32

C:\Users\Admin\AppData\Local\Temp\b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe
"C:\Users\Admin\AppData\Local\Temp\b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Users\Admin\AppData\Local\Temp\b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe
  "C:\Users\Admin\AppData\Local\Temp\b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe"
  2⤵
  PID:2052
- C:\Users\Admin\AppData\Local\Temp\b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe
  "C:\Users\Admin\AppData\Local\Temp\b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2244

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

Loading Replay Monitor...

Downloads

memory/2228-6-0x0000000004AF0000-0x0000000004B66000-memory.dmp

Filesize
472KB

Download
memory/2228-1-0x0000000000870000-0x0000000000914000-memory.dmp

Filesize
656KB

Download
memory/2228-2-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2228-3-0x0000000004870000-0x00000000048F6000-memory.dmp

Filesize
536KB

Download
memory/2228-4-0x0000000000540000-0x000000000054E000-memory.dmp

Filesize
56KB

Download
memory/2228-5-0x0000000000560000-0x000000000056E000-memory.dmp

Filesize
56KB

Download
memory/2228-0-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/2228-14-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2244-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2244-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2244-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2244-15-0x0000000000C00000-0x0000000000F03000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing