formbook | 2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272

General

Target

MalwareBazaar.exe
Size

918KB
MD5

2d9132f8cb67c74e17b5c9a97d97d98b
SHA1

e20c86b162d7a612b9b5b741c65bdd98261c86ef
SHA256

2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272
SHA512

16193ecf9a1856e3b9b806037078f002ed7323ce90497cd0ed40c4194e6f0f69d4c956c32433da4412ea725d2c30b6248e618d988be63af40a98b552f2915ffd
SSDEEP

12288:r0mTFhv5VQZ9WsgF91raePmsr55MGBoIaETRavD7R5GsYG2ucIBIjuei:r0m/x4xgF9hmDGdGSGVLff

Score

10^/10

formbook na10 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

na10

Decoy

tetheus.com

ventlikeyoumeanit.com

tintbliss.com

rinabet357.com

sapphireboutiqueusa.com

abc8bet6.com

xzcn3i7jb13cqei.buzz

pinktravelsnagpur.com

bt365038.com

rtpbossujang303.shop

osthirmaker.com

thelonelyteacup.com

rlc2019.com

couverture-charpente.com

productivagc.com

defendercarcare.com

abcentixdigital.com

petco.ltd

oypivh.top

micro.guru

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/1732-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1732-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2728-23-0x0000000000130000-0x000000000015F000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2492	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1648 set thread context of 1732	1648	MalwareBazaar.exe	28
PID 1732 set thread context of 1248	1732	MalwareBazaar.exe	21
PID 2728 set thread context of 1248	2728	ipconfig.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

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
2728	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1648	MalwareBazaar.exe
1648	MalwareBazaar.exe
1732	MalwareBazaar.exe
1732	MalwareBazaar.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe
2728	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1732	MalwareBazaar.exe
1732	MalwareBazaar.exe
1732	MalwareBazaar.exe
2728	ipconfig.exe
2728	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1648	MalwareBazaar.exe
Token: SeDebugPrivilege	1732	MalwareBazaar.exe
Token: SeDebugPrivilege	2728	ipconfig.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 1732	1648	MalwareBazaar.exe	28
PID 1648 wrote to memory of 1732	1648	MalwareBazaar.exe	28
PID 1648 wrote to memory of 1732	1648	MalwareBazaar.exe	28
PID 1648 wrote to memory of 1732	1648	MalwareBazaar.exe	28
PID 1648 wrote to memory of 1732	1648	MalwareBazaar.exe	28
PID 1648 wrote to memory of 1732	1648	MalwareBazaar.exe	28
PID 1648 wrote to memory of 1732	1648	MalwareBazaar.exe	28
PID 1248 wrote to memory of 2728	1248	Explorer.EXE	31
PID 1248 wrote to memory of 2728	1248	Explorer.EXE	31
PID 1248 wrote to memory of 2728	1248	Explorer.EXE	31
PID 1248 wrote to memory of 2728	1248	Explorer.EXE	31
PID 2728 wrote to memory of 2492	2728	ipconfig.exe	32
PID 2728 wrote to memory of 2492	2728	ipconfig.exe	32
PID 2728 wrote to memory of 2492	2728	ipconfig.exe	32
PID 2728 wrote to memory of 2492	2728	ipconfig.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1732
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2492

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1248-20-0x0000000005110000-0x0000000005266000-memory.dmp

Filesize
1.3MB

Download
memory/1248-26-0x0000000005110000-0x0000000005266000-memory.dmp

Filesize
1.3MB

Download
memory/1648-13-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/1648-3-0x00000000002B0000-0x00000000002F4000-memory.dmp

Filesize
272KB

Download
memory/1648-4-0x00000000005B0000-0x00000000005CA000-memory.dmp

Filesize
104KB

Download
memory/1648-5-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/1648-1-0x0000000000850000-0x000000000093C000-memory.dmp

Filesize
944KB

Download
memory/1648-2-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/1648-15-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/1648-12-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/1648-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/1732-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1732-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1732-16-0x0000000000AD0000-0x0000000000DD3000-memory.dmp

Filesize
3.0MB

Download
memory/1732-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1732-19-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/1732-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1732-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2728-22-0x0000000000230000-0x000000000023A000-memory.dmp

Filesize
40KB

Download
memory/2728-21-0x0000000000230000-0x000000000023A000-memory.dmp

Filesize
40KB

Download
memory/2728-23-0x0000000000130000-0x000000000015F000-memory.dmp

Filesize
188KB

Download

Analysis

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