formbook | 93908b3545a7c137ee9d9b8c496fc01b2847538bc25768470bf3c2665c6a3b32

Analysis

max time kernel
146s
max time network
117s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 17:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

PO#9943441.xls.exe
Size

887KB
MD5

d805ae4b8c9cc7d49432a7dd3f5de693
SHA1

cdb73e6bd75bf2b7a4ef54435a5dd0179c67693b
SHA256

415c22ceb1927b67c21bd55423f75713b29ca6950e806387e28abbbf19ccc8bd
SHA512

3cd4ae4964e0a491f5819c554aa1379f98d9b834590f309b450e8943892a322a7ee5a17a925f311dc83155eaa7a058fe75b9ed969e6ff5155160d0bfa4c9b2ca
SSDEEP

6144:0V2wunldSL9/jlaD8jzurlsY4/Pg1IWSzOvZFTiEExL08koTxBroW:0V2ruLxjlaqmlsYKPg1k4FGEE28V

Score

10^/10

formbook gdo agilenet discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gdo

Decoy

algarverentalhome.com

zhmuying.com

familyinflow.com

tsushin.tech

pisosnuevosenbarajas.com

papeles-pintados.biz

october12017.info

armcodev.com

jumo-7.com

creativaph.net

moriteeguesthouse.com

bigdogowners.com

xunleigesp.com

danosporagua.com

xn--mkro7sz6qzxo.com

fidelitymoving.com

shreddingcycles.com

oldschoolquarterbacks.net

googlegtx.com

collinnorotsky.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2376-186-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/2376-190-0x0000000000400000-0x000000000042D000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

pid	Process
2376	AddInProcess32.exe

Loads dropped DLL 2 IoCs

pid	Process
304	PO#9943441.xls.exe
304	PO#9943441.xls.exe

Obfuscated with Agile.Net obfuscator 33 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral1/memory/304-2-0x0000000000990000-0x00000000009B8000-memory.dmp	agile_net
behavioral1/memory/304-18-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-30-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-42-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-54-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-62-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-72-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-70-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-68-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-66-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-64-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-60-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-58-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-56-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-52-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-50-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-48-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-46-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-44-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-40-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-38-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-36-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-34-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-32-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-28-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-26-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-24-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-22-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-20-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-16-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-14-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-12-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net
behavioral1/memory/304-11-0x0000000000990000-0x00000000009B1000-memory.dmp	agile_net

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 304 set thread context of 2376	304	PO#9943441.xls.exe	31
PID 2376 set thread context of 1252	2376	AddInProcess32.exe	21
PID 592 set thread context of 1252	592	cmmon32.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 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	PO#9943441.xls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
304	PO#9943441.xls.exe
304	PO#9943441.xls.exe
304	PO#9943441.xls.exe
2376	AddInProcess32.exe
2376	AddInProcess32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe
592	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2376	AddInProcess32.exe
2376	AddInProcess32.exe
2376	AddInProcess32.exe
592	cmmon32.exe
592	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	304	PO#9943441.xls.exe
Token: SeDebugPrivilege	2376	AddInProcess32.exe
Token: SeDebugPrivilege	592	cmmon32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 304 wrote to memory of 2376	304	PO#9943441.xls.exe	31
PID 304 wrote to memory of 2376	304	PO#9943441.xls.exe	31
PID 304 wrote to memory of 2376	304	PO#9943441.xls.exe	31
PID 304 wrote to memory of 2376	304	PO#9943441.xls.exe	31
PID 304 wrote to memory of 2376	304	PO#9943441.xls.exe	31
PID 304 wrote to memory of 2376	304	PO#9943441.xls.exe	31
PID 304 wrote to memory of 2376	304	PO#9943441.xls.exe	31
PID 1252 wrote to memory of 592	1252	Explorer.EXE	32
PID 1252 wrote to memory of 592	1252	Explorer.EXE	32
PID 1252 wrote to memory of 592	1252	Explorer.EXE	32
PID 1252 wrote to memory of 592	1252	Explorer.EXE	32
PID 592 wrote to memory of 1332	592	cmmon32.exe	33
PID 592 wrote to memory of 1332	592	cmmon32.exe	33
PID 592 wrote to memory of 1332	592	cmmon32.exe	33
PID 592 wrote to memory of 1332	592	cmmon32.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Users\Admin\AppData\Local\Temp\PO#9943441.xls.exe
  "C:\Users\Admin\AppData\Local\Temp\PO#9943441.xls.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:304
- - C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2376
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:592
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1332

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\c08e67e7-d17e-42f4-84a8-059771d01a58\AgileDotNetRT.dll

Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
memory/304-38-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-10-0x0000000075090000-0x0000000075110000-memory.dmp

Filesize
512KB

Download
memory/304-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/304-3-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/304-36-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-18-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-30-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-42-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-54-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-62-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-72-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-70-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-68-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-66-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-64-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-34-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-58-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-56-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-52-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-50-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-48-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-46-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-44-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-40-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-2-0x0000000000990000-0x00000000009B8000-memory.dmp

Filesize
160KB

Download
memory/304-1-0x0000000000A40000-0x0000000000B24000-memory.dmp

Filesize
912KB

Download
memory/304-60-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-32-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-28-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-26-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-24-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-22-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-20-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-16-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-14-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-12-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-11-0x0000000000990000-0x00000000009B1000-memory.dmp

Filesize
132KB

Download
memory/304-169-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/304-170-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/304-172-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/304-173-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/304-174-0x00000000009C0000-0x00000000009CA000-memory.dmp

Filesize
40KB

Download
memory/304-187-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/592-195-0x0000000000200000-0x000000000020D000-memory.dmp

Filesize
52KB

Download
memory/1252-192-0x0000000006F30000-0x00000000070C9000-memory.dmp

Filesize
1.6MB

Download
memory/1252-197-0x0000000006F30000-0x00000000070C9000-memory.dmp

Filesize
1.6MB

Download
memory/2376-186-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2376-188-0x00000000008C0000-0x0000000000BC3000-memory.dmp

Filesize
3.0MB

Download
memory/2376-191-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2376-190-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download