formbook | 530e856fb2f5665cc8862cf1db3ec2e6cfa8493c1497cf42e1e12121d147eadc

General

Target

c03dca4.exe
Size

445KB
MD5

7d88844c0ef5b442116161e9bc245ccf
SHA1

3a30a642d7ea1c0f5144cd5c416c7ea3c251e2e8
SHA256

530e856fb2f5665cc8862cf1db3ec2e6cfa8493c1497cf42e1e12121d147eadc
SHA512

b489268f1a60371460042730b51e94c4c44c8b4a304b10b7cb229ab043cfff16e09a71d0da5e899229f2bcea7423a5db5990d0dbad39d7a5d382d768fbb791eb
SSDEEP

12288:0CrXgPjJwADIOyBnKDUEo14cDnfmCyY4It1:Z7k9wAkAUEo1XnfSI

Score

10^/10

formbook t5ez rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

t5ez

Decoy

v+YaDdg/udazyV4Iyw==

MXDNPIhw1/8BP0Ud2fguBRZ/8nF6wQ==

WsTRjsGfK1Wt+wjFRn9mBQ==

TrAv42rPyfBfhpI=

2FrznhJCG6bpCgm9+n/Xq0cr

phy0dqeRgaeZzcuciHGgrkeVQw==

DIYHd2O24QEB

wVbxr0eqbQZMc4xwQF1W3NdmR2Xc

ncsN3VitpSp18jvXswKeJeQKA1DW

n/FT0RVVULr7fMV0Ykb8ztU=

OET6wvfsbaGp6O2/Rn9mBQ==

2Rb8gNoGR5GEwAeUhcs=

wR8Fc7imd8/3cQeUhcs=

rMZ/VOtX0kR/yV4Iyw==

9YIUqO7RR4iL5Cffi994

03AHmeAX+2F85Cnfi994

9QbOseAK0/c4SGJW

S1EDywDiYofETA==

ivZm1wDWR2hgAEFURn9mBQ==

D2pe4DygKUJKoLidIuwJo4PiKGhyZLPc

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Loads dropped DLL 1 IoCs

Processes:

netsh.exe

pid process

988 netsh.exe

pid	process
988	netsh.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

c03dca4.exeCasPol.exenetsh.exe

description	pid	process	target process
PID 1140 set thread context of 1372	1140	c03dca4.exe	CasPol.exe
PID 1372 set thread context of 1240	1372	CasPol.exe	Explorer.EXE
PID 988 set thread context of 1240	988	netsh.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

netsh.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	netsh.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

CasPol.exenetsh.exe

pid	process
1372	CasPol.exe
1372	CasPol.exe
1372	CasPol.exe
1372	CasPol.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe
988	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1240 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

CasPol.exenetsh.exe

pid process

1372 CasPol.exe
1372 CasPol.exe
1372 CasPol.exe
988 netsh.exe
988 netsh.exe
988 netsh.exe
988 netsh.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

CasPol.exenetsh.exe

description pid process

Token: SeDebugPrivilege 1372 CasPol.exe
Token: SeDebugPrivilege 988 netsh.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1240 Explorer.EXE
1240 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1240 Explorer.EXE
1240 Explorer.EXE

pid	process
1240	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1372	CasPol.exe
Token: SeDebugPrivilege	988	netsh.exe

pid	process
1240	Explorer.EXE
1240	Explorer.EXE

pid	process
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

c03dca4.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 1140 wrote to memory of 1372	1140	c03dca4.exe	CasPol.exe
PID 1140 wrote to memory of 1372	1140	c03dca4.exe	CasPol.exe
PID 1140 wrote to memory of 1372	1140	c03dca4.exe	CasPol.exe
PID 1140 wrote to memory of 1372	1140	c03dca4.exe	CasPol.exe
PID 1140 wrote to memory of 1372	1140	c03dca4.exe	CasPol.exe
PID 1140 wrote to memory of 1372	1140	c03dca4.exe	CasPol.exe
PID 1140 wrote to memory of 1372	1140	c03dca4.exe	CasPol.exe
PID 1240 wrote to memory of 988	1240	Explorer.EXE	netsh.exe
PID 1240 wrote to memory of 988	1240	Explorer.EXE	netsh.exe
PID 1240 wrote to memory of 988	1240	Explorer.EXE	netsh.exe
PID 1240 wrote to memory of 988	1240	Explorer.EXE	netsh.exe
PID 988 wrote to memory of 976	988	netsh.exe	Firefox.exe
PID 988 wrote to memory of 976	988	netsh.exe	Firefox.exe
PID 988 wrote to memory of 976	988	netsh.exe	Firefox.exe
PID 988 wrote to memory of 976	988	netsh.exe	Firefox.exe
PID 988 wrote to memory of 976	988	netsh.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Users\Admin\AppData\Local\Temp\c03dca4.exe
  "C:\Users\Admin\AppData\Local\Temp\c03dca4.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1140
- - 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:1372
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:988
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll

Filesize
1.0MB

MD5
f1e5f58f9eb43ecec773acbdb410b888

SHA1
f1b8076b0bbde696694bbc0ab259a77893839464

SHA256
a15fd84ee61b54c92bb099dfb78226548f43d550c67fb6adf4cce3d064ab1c14

SHA512
0aff96430dd99bb227285fefc258014c301f85216c84e40f45702d26cdd7e77261a41fd3811d686f5fb2ee363cc651a014e8ffa339384004cece645a36486456

Download Submit
memory/988-69-0x00000000004A0000-0x000000000052F000-memory.dmp

Filesize
572KB

Download
memory/988-65-0x0000000000000000-mapping.dmp

Download
memory/988-72-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/988-71-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/988-68-0x0000000000DF0000-0x00000000010F3000-memory.dmp

Filesize
3.0MB

Download
memory/988-66-0x0000000001770000-0x000000000178B000-memory.dmp

Filesize
108KB

Download
memory/988-67-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1140-55-0x0000000000640000-0x00000000006B2000-memory.dmp

Filesize
456KB

Download
memory/1140-54-0x00000000003C0000-0x0000000000434000-memory.dmp

Filesize
464KB

Download
memory/1240-70-0x0000000006AF0000-0x0000000006C26000-memory.dmp

Filesize
1.2MB

Download
memory/1240-73-0x0000000006AF0000-0x0000000006C26000-memory.dmp

Filesize
1.2MB

Download
memory/1240-64-0x0000000006440000-0x00000000065A5000-memory.dmp

Filesize
1.4MB

Download
memory/1372-57-0x00000000004012B0-mapping.dmp

Download
memory/1372-63-0x0000000000280000-0x0000000000290000-memory.dmp

Filesize
64KB

Download
memory/1372-62-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

Download
memory/1372-56-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1372-61-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1372-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1372-59-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads