formbook | e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cada

General

Target

e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe
Size

544KB
MD5

e081a5f2bea797aad5cd3e9e934bb8e0
SHA1

af59729a38b512cac6c3fd8896bd8123fa9bbdef
SHA256

e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cada
SHA512

af8210c19cdbfbd949d0d92921b98ba791e027548b4eef0f02a1efab7c6b621c5c90fe764c04b90528bd855b11d307c82bd9844adec2a8a731adce5267ab0f6d
SSDEEP

12288:ygRzUZzOZgFlBNeNpoMNfsoHD3DopWIzK//a9N:nk9FlTeXLsoDDRw

Score

10^/10

formbook b31a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b31a

Decoy

enjamin-paaac.buzz

mail-marketing-40950.bond

pusems28-post.cyou

hindo.top

ruck-company-be.today

asinos-deutschland.net

ewancash.boats

etdopovo.casino

rcher-saaac.buzz

871166.vip

manuel.app

g3yqo.shop

-9way.xyz

qawgytfexe.bond

iefi6834.vip

ental-health-35901.bond

idat-merkez18.top

rojectleadzone.website

lirudolph.top

migloballlc.online

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/2252-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 2252	2540	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe	31

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	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2540	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe
2540	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe
2252	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2252	2540	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe	31
PID 2540 wrote to memory of 2252	2540	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe	31
PID 2540 wrote to memory of 2252	2540	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe	31
PID 2540 wrote to memory of 2252	2540	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe	31
PID 2540 wrote to memory of 2252	2540	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe	31
PID 2540 wrote to memory of 2252	2540	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe	31
PID 2540 wrote to memory of 2252	2540	e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe	31

C:\Users\Admin\AppData\Local\Temp\e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe
"C:\Users\Admin\AppData\Local\Temp\e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe
  "C:\Users\Admin\AppData\Local\Temp\e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cadaN.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2252

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/2252-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2252-14-0x0000000000DA0000-0x00000000010A3000-memory.dmp

Filesize
3.0MB

Download
memory/2252-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2252-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2252-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2540-3-0x0000000002250000-0x00000000022E2000-memory.dmp

Filesize
584KB

Download
memory/2540-6-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-7-0x00000000053D0000-0x0000000005446000-memory.dmp

Filesize
472KB

Download
memory/2540-5-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2540-4-0x0000000000440000-0x0000000000450000-memory.dmp

Filesize
64KB

Download
memory/2540-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2540-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-13-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-1-0x0000000000D10000-0x0000000000D9E000-memory.dmp

Filesize
568KB

Download

Analysis

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