formbook | 80c33b55bc86034d5aa09175c45672e6bd847ed97938512772926f0d9285dce4

General

Target

rDHL_AWB_907853880911.exe
Size

689KB
MD5

00e2917356ad724e3f79e42da2b9b92d
SHA1

e564ed8660919c10570fbad143ffd1333b81fb47
SHA256

80c33b55bc86034d5aa09175c45672e6bd847ed97938512772926f0d9285dce4
SHA512

0feb020dca29a31ec7bf0e6ba21bfb80c3b6541b92afc382594058de338536aa535c1dfe16346e400e786b29e0deec65d904c70643e93985724a7fdb01f25327
SSDEEP

12288:W5MYNp8wGcM1iwYa3ZOVv5A1zoiGz5BNvS9x8Z9YzzjbN:W6MuWa3ZOnIzoPz5BI9x8/

Score

10^/10

formbook f1w6 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

f1w6

Decoy

yourcomplexproject.com

ceoclubonline.com

omkararts.com

oldiefans.info

kalendrgptapp37.com

expetowing.com

531008.com

shguojibu.com

proartesmarciales.com

mlo564.xyz

canada-topsales.com

your-local-girls.info

hitroader.com

hoagiepalooza.site

wallstreetbull.online

pw786.vip

salamcleaning.com

carbon-cars.com

playacabarete.net

ifgfunds.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/2256-65-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2256-69-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2764-75-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/2764-77-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2540	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1684 set thread context of 2256	1684	rDHL_AWB_907853880911.exe	31
PID 2256 set thread context of 1328	2256	rDHL_AWB_907853880911.exe	10
PID 2764 set thread context of 1328	2764	ipconfig.exe	10

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2764	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
1684	rDHL_AWB_907853880911.exe
1684	rDHL_AWB_907853880911.exe
1684	rDHL_AWB_907853880911.exe
1684	rDHL_AWB_907853880911.exe
1684	rDHL_AWB_907853880911.exe
1684	rDHL_AWB_907853880911.exe
1684	rDHL_AWB_907853880911.exe
1684	rDHL_AWB_907853880911.exe
2256	rDHL_AWB_907853880911.exe
2256	rDHL_AWB_907853880911.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe
2764	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1328	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2256	rDHL_AWB_907853880911.exe
2256	rDHL_AWB_907853880911.exe
2256	rDHL_AWB_907853880911.exe
2764	ipconfig.exe
2764	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1684	rDHL_AWB_907853880911.exe
Token: SeDebugPrivilege	2256	rDHL_AWB_907853880911.exe
Token: SeDebugPrivilege	2764	ipconfig.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2724	1684	rDHL_AWB_907853880911.exe	30
PID 1684 wrote to memory of 2724	1684	rDHL_AWB_907853880911.exe	30
PID 1684 wrote to memory of 2724	1684	rDHL_AWB_907853880911.exe	30
PID 1684 wrote to memory of 2724	1684	rDHL_AWB_907853880911.exe	30
PID 1684 wrote to memory of 2256	1684	rDHL_AWB_907853880911.exe	31
PID 1684 wrote to memory of 2256	1684	rDHL_AWB_907853880911.exe	31
PID 1684 wrote to memory of 2256	1684	rDHL_AWB_907853880911.exe	31
PID 1684 wrote to memory of 2256	1684	rDHL_AWB_907853880911.exe	31
PID 1684 wrote to memory of 2256	1684	rDHL_AWB_907853880911.exe	31
PID 1684 wrote to memory of 2256	1684	rDHL_AWB_907853880911.exe	31
PID 1684 wrote to memory of 2256	1684	rDHL_AWB_907853880911.exe	31
PID 1328 wrote to memory of 2764	1328	Explorer.EXE	32
PID 1328 wrote to memory of 2764	1328	Explorer.EXE	32
PID 1328 wrote to memory of 2764	1328	Explorer.EXE	32
PID 1328 wrote to memory of 2764	1328	Explorer.EXE	32
PID 2764 wrote to memory of 2540	2764	ipconfig.exe	33
PID 2764 wrote to memory of 2540	2764	ipconfig.exe	33
PID 2764 wrote to memory of 2540	2764	ipconfig.exe	33
PID 2764 wrote to memory of 2540	2764	ipconfig.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Users\Admin\AppData\Local\Temp\rDHL_AWB_907853880911.exe
  "C:\Users\Admin\AppData\Local\Temp\rDHL_AWB_907853880911.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Users\Admin\AppData\Local\Temp\rDHL_AWB_907853880911.exe
    "C:\Users\Admin\AppData\Local\Temp\rDHL_AWB_907853880911.exe"
    3⤵
    PID:2724
- - C:\Users\Admin\AppData\Local\Temp\rDHL_AWB_907853880911.exe
    "C:\Users\Admin\AppData\Local\Temp\rDHL_AWB_907853880911.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2256
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\rDHL_AWB_907853880911.exe"
    3⤵
    - Deletes itself
    PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1328-84-0x00000000092D0000-0x0000000009439000-memory.dmp

Filesize
1.4MB

Download
memory/1328-70-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1328-78-0x0000000006DE0000-0x0000000006F4D000-memory.dmp

Filesize
1.4MB

Download
memory/1328-72-0x0000000006DE0000-0x0000000006F4D000-memory.dmp

Filesize
1.4MB

Download
memory/1328-81-0x00000000092D0000-0x0000000009439000-memory.dmp

Filesize
1.4MB

Download
memory/1328-82-0x00000000092D0000-0x0000000009439000-memory.dmp

Filesize
1.4MB

Download
memory/1684-57-0x0000000000270000-0x0000000000280000-memory.dmp

Filesize
64KB

Download
memory/1684-60-0x0000000005D10000-0x0000000005D7E000-memory.dmp

Filesize
440KB

Download
memory/1684-59-0x00000000002D0000-0x00000000002DA000-memory.dmp

Filesize
40KB

Download
memory/1684-58-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/1684-56-0x0000000000490000-0x00000000004D0000-memory.dmp

Filesize
256KB

Download
memory/1684-66-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/1684-54-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/1684-55-0x0000000000C10000-0x0000000000CC2000-memory.dmp

Filesize
712KB

Download
memory/2256-67-0x0000000000890000-0x0000000000B93000-memory.dmp

Filesize
3.0MB

Download
memory/2256-71-0x00000000002B0000-0x00000000002C5000-memory.dmp

Filesize
84KB

Download
memory/2256-69-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2256-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2256-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2256-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2256-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2764-73-0x00000000008B0000-0x00000000008BA000-memory.dmp

Filesize
40KB

Download
memory/2764-74-0x00000000008B0000-0x00000000008BA000-memory.dmp

Filesize
40KB

Download
memory/2764-75-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2764-76-0x0000000002120000-0x0000000002423000-memory.dmp

Filesize
3.0MB

Download
memory/2764-77-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2764-80-0x0000000001E50000-0x0000000001EE4000-memory.dmp

Filesize
592KB

Download

Analysis

Sharing