formbook | 20d9be346790cfffad9047726a9a87329a29ee6661ffa16643d5538a279f251d

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-09-2024 02:45

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General

Target

tTbQa71UeNsVrSr.exe
Size

658KB
MD5

cab065bec52b2ff086ef33b66a87213d
SHA1

3b7dcaad22ba6adf5da170ecdc6c96975f47055d
SHA256

7dbfe3e815092dfd471861a962bbb464ec76438144f4cb5dd031b02eda2f8ea9
SHA512

eca654e71054401cabe7b4c573abc39c578e4c16b985f8762d5e47191ac0d0c30549969a88e9c95ee5ef2942656bbf1a2874a6cdab3febf47c81dba68c39c262
SSDEEP

12288:s0mt8/WAgeS8+dypaxRF/Q4sZjEoXNVT7YS6IXD0:sXomh8+EG/ANVT7YS62

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/2056-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2948 set thread context of 2056	2948	tTbQa71UeNsVrSr.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2736	2056	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	tTbQa71UeNsVrSr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tTbQa71UeNsVrSr.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2948	tTbQa71UeNsVrSr.exe
2948	tTbQa71UeNsVrSr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	tTbQa71UeNsVrSr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 2056	2948	tTbQa71UeNsVrSr.exe	31
PID 2948 wrote to memory of 2056	2948	tTbQa71UeNsVrSr.exe	31
PID 2948 wrote to memory of 2056	2948	tTbQa71UeNsVrSr.exe	31
PID 2948 wrote to memory of 2056	2948	tTbQa71UeNsVrSr.exe	31
PID 2948 wrote to memory of 2056	2948	tTbQa71UeNsVrSr.exe	31
PID 2948 wrote to memory of 2056	2948	tTbQa71UeNsVrSr.exe	31
PID 2948 wrote to memory of 2056	2948	tTbQa71UeNsVrSr.exe	31
PID 2056 wrote to memory of 2736	2056	tTbQa71UeNsVrSr.exe	32
PID 2056 wrote to memory of 2736	2056	tTbQa71UeNsVrSr.exe	32
PID 2056 wrote to memory of 2736	2056	tTbQa71UeNsVrSr.exe	32
PID 2056 wrote to memory of 2736	2056	tTbQa71UeNsVrSr.exe	32

C:\Users\Admin\AppData\Local\Temp\tTbQa71UeNsVrSr.exe
"C:\Users\Admin\AppData\Local\Temp\tTbQa71UeNsVrSr.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Users\Admin\AppData\Local\Temp\tTbQa71UeNsVrSr.exe
  "C:\Users\Admin\AppData\Local\Temp\tTbQa71UeNsVrSr.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 36
    3⤵
    - Program crash
    PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2056-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2056-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2056-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2056-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2948-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

Filesize
4KB

Download
memory/2948-1-0x00000000011A0000-0x000000000124A000-memory.dmp

Filesize
680KB

Download
memory/2948-2-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2948-3-0x0000000000490000-0x00000000004A8000-memory.dmp

Filesize
96KB

Download
memory/2948-4-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

Filesize
4KB

Download
memory/2948-5-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2948-6-0x0000000005B90000-0x0000000005C06000-memory.dmp

Filesize
472KB

Download
memory/2948-13-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download