formbook | e7104f2261f0eac61f2f5c3e316f32475d10b1e4a0df6323f400d1446807d4a0

General

Target

PO - 00442622092022.exe
Size

801KB
MD5

732f86424adf702d9a0f974e04998604
SHA1

4a384ef43bf4e40a5d497c06d03b0f1aa27595f1
SHA256

e7104f2261f0eac61f2f5c3e316f32475d10b1e4a0df6323f400d1446807d4a0
SHA512

78cba0dab0ae85efed5d3231881cdef209bcb2e3b7991d5e7f2ee6132189a42cb6292db2c7952add6410146c6b199ae0c31592cb541f0e67f5a07019be9744aa
SSDEEP

12288:eg//VuZymCPhBbmuadf+0GYdSmVWX0+1gkksDvFbO1lfd:TEymC5VmRdW0zdNWj5ksWlf

Score

10^/10

formbook vez2 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

vez2

Decoy

GCFh2WRY8h1RjEXapwS7Ck9LsYM=

Kw/ixUjrf6eR4l/24Q==

UU+jUhRwjrFC148Z

QbmEkwuT9vV0auS9f1g=

X/Bx/B8ftQ==

VkMUQmSy0OalCood8g==

BNLY7KKp9TVIQOS9f1g=

4T0IQw/gaKqntY81D2bTIzrbjw==

hVWRNvRVcKktVh2ymZKRgeSyJ0RoIbo=

Fef69GXN5DS86bNZQiZFu/q98os=

28+h068jMHplsKGaJQxI

5kXPNMQEFGjp6MuaJQxI

3U8XDYYOlJwvdF0f4w==

XVqaJqutwWlhek3SahJ4hg==

8g9h2U1zhLBC148Z

Q8NMHfa/7y+yrZpDEgLiBZBvwVt9Vvm5

jXeQnSyl0RXqI/ulQvZ9jA==

3cHSwlLqCBnkOQy9jXZ7AiKZ

6PU7tS0owgIcNy/fahJ4hg==

WVMuelelvwPA9XaFQtUSN8o=

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Control Panel\International\Geo\Nation	PO - 00442622092022.exe

Loads dropped DLL 1 IoCs

pid	Process
1884	cmmon32.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1600 set thread context of 680	1600	PO - 00442622092022.exe	27
PID 680 set thread context of 1232	680	PO - 00442622092022.exe	18
PID 680 set thread context of 1232	680	PO - 00442622092022.exe	18
PID 1884 set thread context of 1232	1884	cmmon32.exe	18

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmmon32.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
680	PO - 00442622092022.exe
680	PO - 00442622092022.exe
680	PO - 00442622092022.exe
680	PO - 00442622092022.exe
680	PO - 00442622092022.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1232	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
680	PO - 00442622092022.exe
680	PO - 00442622092022.exe
680	PO - 00442622092022.exe
680	PO - 00442622092022.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe
1884	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	680	PO - 00442622092022.exe
Token: SeDebugPrivilege	1884	cmmon32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 680	1600	PO - 00442622092022.exe	27
PID 1600 wrote to memory of 680	1600	PO - 00442622092022.exe	27
PID 1600 wrote to memory of 680	1600	PO - 00442622092022.exe	27
PID 1600 wrote to memory of 680	1600	PO - 00442622092022.exe	27
PID 1600 wrote to memory of 680	1600	PO - 00442622092022.exe	27
PID 1600 wrote to memory of 680	1600	PO - 00442622092022.exe	27
PID 1600 wrote to memory of 680	1600	PO - 00442622092022.exe	27
PID 1232 wrote to memory of 1884	1232	Explorer.EXE	28
PID 1232 wrote to memory of 1884	1232	Explorer.EXE	28
PID 1232 wrote to memory of 1884	1232	Explorer.EXE	28
PID 1232 wrote to memory of 1884	1232	Explorer.EXE	28
PID 1884 wrote to memory of 1336	1884	cmmon32.exe	31
PID 1884 wrote to memory of 1336	1884	cmmon32.exe	31
PID 1884 wrote to memory of 1336	1884	cmmon32.exe	31
PID 1884 wrote to memory of 1336	1884	cmmon32.exe	31
PID 1884 wrote to memory of 1336	1884	cmmon32.exe	31

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:1232
- C:\Users\Admin\AppData\Local\Temp\PO - 00442622092022.exe
  "C:\Users\Admin\AppData\Local\Temp\PO - 00442622092022.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Users\Admin\AppData\Local\Temp\PO - 00442622092022.exe
    "C:\Users\Admin\AppData\Local\Temp\PO - 00442622092022.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:680
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:1884
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1336

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
902KB

MD5
50338cc1fa2582fa0cad8a8fa7ceb4d2

SHA1
ae697ef05b6bec38fb79ff4512ae50a303dcdbce

SHA256
0815a80fa73286d8c6bf0982471c61833821d9f10a20612deaa134562e7a3cda

SHA512
02a006e26b1d08cb53a4b3dab23ce6a6756a7275f8b3ef00b7412f10cff75411685a3542c5dc330dad7c9f7ff26288a2e94254d00bf53c1394e7252e000c9a61

Download Submit
memory/680-70-0x0000000000120000-0x0000000000130000-memory.dmp

Filesize
64KB

Download
memory/680-77-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/680-76-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/680-73-0x00000000001A0000-0x00000000001B0000-memory.dmp

Filesize
64KB

Download
memory/680-72-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/680-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/680-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/680-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/680-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/680-67-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/680-69-0x0000000000970000-0x0000000000C73000-memory.dmp

Filesize
3.0MB

Download
memory/1232-82-0x00000000049B0000-0x0000000004A5E000-memory.dmp

Filesize
696KB

Download
memory/1232-71-0x0000000004F30000-0x000000000508E000-memory.dmp

Filesize
1.4MB

Download
memory/1232-85-0x00000000049B0000-0x0000000004A5E000-memory.dmp

Filesize
696KB

Download
memory/1232-74-0x0000000006A70000-0x0000000006BC5000-memory.dmp

Filesize
1.3MB

Download
memory/1600-58-0x00000000054E0000-0x0000000005570000-memory.dmp

Filesize
576KB

Download
memory/1600-57-0x0000000000330000-0x000000000033C000-memory.dmp

Filesize
48KB

Download
memory/1600-56-0x0000000000320000-0x0000000000334000-memory.dmp

Filesize
80KB

Download
memory/1600-54-0x0000000000EC0000-0x0000000000F8E000-memory.dmp

Filesize
824KB

Download
memory/1600-59-0x0000000000D00000-0x0000000000D34000-memory.dmp

Filesize
208KB

Download
memory/1600-55-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download
memory/1884-81-0x0000000001D80000-0x0000000001E0F000-memory.dmp

Filesize
572KB

Download
memory/1884-78-0x00000000000D0000-0x00000000000DD000-memory.dmp

Filesize
52KB

Download
memory/1884-80-0x0000000001E90000-0x0000000002193000-memory.dmp

Filesize
3.0MB

Download
memory/1884-79-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1884-83-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download

Analysis

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