formbook | d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f

General

Target

d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe
Size

835KB
MD5

33ffe47617ab65e5fbb0b2eedf0b5b4e
SHA1

394351007b7fa83b84a30c66b84083ba9af66410
SHA256

d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f
SHA512

b73e46c09c42c4196299e4787652991de3cc61ee869833a4b241d1222bbfbab9bd31e59533835a57fb15d221891ceac387d5a8e97cff918046fc84d81cdbe0cf
SSDEEP

24576:mk70TrcKMs8ftsubdunEtMif2Fo0VANdUKsm1:mkQTAZsubdunDif2F9Agw

Score

10^/10

formbook bz24 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bz24

Decoy

paltran.com

convadesolutions.com

smyx9b.work

friggerio.com

jndyfjc.com

dm4im2q2.top

adamloweforpresident2020.com

grvtyindustries.com

lovelycacau.com

seqizi.net

xisl88.com

dateknightdelivered.com

celebsmoaic.online

patriciolawnlandscapellc.com

liqq.asia

solutions4educators.com

hybridrate.com

newseza.com

enfejbaz9jdfthea.click

bergstromchevymadison.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/1068-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1068-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2676-22-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook
behavioral1/memory/2676-24-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/924-2-0x0000000004A60000-0x0000000004B1A000-memory.dmp	net_reactor
behavioral1/memory/924-4-0x0000000004950000-0x0000000004A08000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 924 set thread context of 1068	924	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	28
PID 1068 set thread context of 1348	1068	caspol.exe	13
PID 2676 set thread context of 1348	2676	help.exe	13

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3185155662-718608226-894467740-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
1068	caspol.exe
1068	caspol.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1348	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1068	caspol.exe
1068	caspol.exe
1068	caspol.exe
2676	help.exe
2676	help.exe
2676	help.exe
2676	help.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1068	caspol.exe
Token: SeDebugPrivilege	2676	help.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 924 wrote to memory of 1068	924	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	28
PID 924 wrote to memory of 1068	924	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	28
PID 924 wrote to memory of 1068	924	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	28
PID 924 wrote to memory of 1068	924	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	28
PID 924 wrote to memory of 1068	924	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	28
PID 924 wrote to memory of 1068	924	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	28
PID 924 wrote to memory of 1068	924	d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe	28
PID 1348 wrote to memory of 2676	1348	Explorer.EXE	29
PID 1348 wrote to memory of 2676	1348	Explorer.EXE	29
PID 1348 wrote to memory of 2676	1348	Explorer.EXE	29
PID 1348 wrote to memory of 2676	1348	Explorer.EXE	29
PID 2676 wrote to memory of 3008	2676	help.exe	31
PID 2676 wrote to memory of 3008	2676	help.exe	31
PID 2676 wrote to memory of 3008	2676	help.exe	31
PID 2676 wrote to memory of 3008	2676	help.exe	31
PID 2676 wrote to memory of 3008	2676	help.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Users\Admin\AppData\Local\Temp\d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe
  "C:\Users\Admin\AppData\Local\Temp\d316934fbbc328ee5764cc3ffad8342ebb530df25f43e3f46e0e27fcc8f7067f_JC.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:924
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1068
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\9PM15TB1\9PMlogim.jpeg

Filesize
72KB

MD5
a60a75c2c72d807ea8da64602f421e3c

SHA1
6e344d1aaf57e1507d3c12b509dbae15b2c9376a

SHA256
a8602f56d799db64ba24e41fce1c920e5ffc487d1dd3a45bc8c1e77504328f12

SHA512
0828d1b3ec0c6cb8baf4f43f4c24523021edacd1a5feda2f0d3aa2ea0e89b6d4508918b9da2ccce9f95e179e9c798a1b4770a8e89769fc0289c6cd62bc3bcfaf

Download Submit
C:\Users\Admin\AppData\Roaming\9PM15TB1\9PMlogrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\9PM15TB1\9PMlogri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\9PM15TB1\9PMlogrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/924-1-0x0000000004A20000-0x0000000004A60000-memory.dmp

Filesize
256KB

Download
memory/924-2-0x0000000004A60000-0x0000000004B1A000-memory.dmp

Filesize
744KB

Download
memory/924-3-0x0000000004A20000-0x0000000004A60000-memory.dmp

Filesize
256KB

Download
memory/924-4-0x0000000004950000-0x0000000004A08000-memory.dmp

Filesize
736KB

Download
memory/924-5-0x0000000002070000-0x000000000207A000-memory.dmp

Filesize
40KB

Download
memory/924-6-0x0000000004A20000-0x0000000004A60000-memory.dmp

Filesize
256KB

Download
memory/924-0-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/924-13-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/1068-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1068-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1068-14-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Filesize
3.0MB

Download
memory/1068-17-0x0000000000200000-0x0000000000215000-memory.dmp

Filesize
84KB

Download
memory/1068-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1068-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1068-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1348-19-0x0000000006A80000-0x0000000006BFD000-memory.dmp

Filesize
1.5MB

Download
memory/1348-37-0x000007FEF65A0000-0x000007FEF66E3000-memory.dmp

Filesize
1.3MB

Download
memory/1348-18-0x0000000003810000-0x0000000003910000-memory.dmp

Filesize
1024KB

Download
memory/1348-28-0x0000000006A80000-0x0000000006BFD000-memory.dmp

Filesize
1.5MB

Download
memory/1348-38-0x000007FEA4DD0000-0x000007FEA4DDA000-memory.dmp

Filesize
40KB

Download
memory/1348-31-0x00000000040D0000-0x00000000041CA000-memory.dmp

Filesize
1000KB

Download
memory/1348-32-0x00000000040D0000-0x00000000041CA000-memory.dmp

Filesize
1000KB

Download
memory/1348-35-0x00000000040D0000-0x00000000041CA000-memory.dmp

Filesize
1000KB

Download
memory/2676-30-0x0000000000510000-0x00000000005A4000-memory.dmp

Filesize
592KB

Download
memory/2676-23-0x00000000009B0000-0x0000000000CB3000-memory.dmp

Filesize
3.0MB

Download
memory/2676-22-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2676-21-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2676-20-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2676-24-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download

Analysis

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