formbook | e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6

Analysis

max time kernel
150s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13-02-2024 05:48

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General

Target

e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe
Size

814KB
MD5

8fc83cdc44075773ee401f010d2443b0
SHA1

96cd91bb463dcb0f7b56e94bf2cb15d7dc8f63b6
SHA256

220977b28fc847b8a2d7c65d3d19a3859e3e62dc5e19edaf4909965516a91694
SHA512

12a5cf0ee3c995faf09f821e4f4db1bf4f50c5ead57e72bf6e518b38c4d14a020724698e0930ea515ddeb810464ab9c9a616e3c8cd0a7e82ce64ab58a614f597
SSDEEP

12288:mj6mRlmDKClMfkrPEBuGKw3f+s2geR3VJ6wGllh5VelrQTydKp:m2a4KCycrPQIo+aePgDalrQTl

Score

10^/10

formbook kmge rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kmge

Decoy

jia0752d.com

cq0jt.sbs

whimsicalweddingrentals.com

meetsex-here.life

hhe-crv220.com

bedbillionaire.com

soycmo.com

mrawkward.xyz

11ramshornroad.com

motoyonaturals.com

thischicloves.com

gacorbet.pro

ihsanid.com

pancaketurner.com

santanarstore.com

cr3dtv.com

negotools.com

landfillequip.com

sejasuapropriachefe.com

diamant-verkopen.store

Signatures

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

Formbook payload 5 IoCs

rat

resource	yara_rule
behavioral1/memory/2668-33-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2668-37-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2668-41-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2688-47-0x0000000000100000-0x000000000012F000-memory.dmp	formbook
behavioral1/memory/2688-49-0x0000000000100000-0x000000000012F000-memory.dmp	formbook

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.lnk	e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	skype.exe

Loads dropped DLL 1 IoCs

pid	Process
2744	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 2668	2976	skype.exe	37
PID 2668 set thread context of 1336	2668	AddInProcess32.exe	21
PID 2668 set thread context of 1336	2668	AddInProcess32.exe	21
PID 2688 set thread context of 1336	2688	wlanext.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3427588347-1492276948-3422228430-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
2604	PING.EXE
2560	PING.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
1068	e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe
2292	skype.exe
2292	skype.exe
2292	skype.exe
2292	skype.exe
2976	skype.exe
2976	skype.exe
2976	skype.exe
2976	skype.exe
2668	AddInProcess32.exe
2668	AddInProcess32.exe
2668	AddInProcess32.exe
2688	wlanext.exe
2688	wlanext.exe
2688	wlanext.exe
2688	wlanext.exe
2688	wlanext.exe
2688	wlanext.exe
2688	wlanext.exe
2688	wlanext.exe
2688	wlanext.exe
2688	wlanext.exe
2688	wlanext.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
2668	AddInProcess32.exe
2668	AddInProcess32.exe
2668	AddInProcess32.exe
2668	AddInProcess32.exe
2688	wlanext.exe
2688	wlanext.exe
2688	wlanext.exe
2688	wlanext.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1068	e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1068	e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe
Token: SeDebugPrivilege	2292	skype.exe
Token: SeDebugPrivilege	2976	skype.exe
Token: SeDebugPrivilege	2668	AddInProcess32.exe
Token: SeDebugPrivilege	2688	wlanext.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 2292	1068	e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe	28
PID 1068 wrote to memory of 2292	1068	e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe	28
PID 1068 wrote to memory of 2292	1068	e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe	28
PID 1068 wrote to memory of 2292	1068	e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe	28
PID 2292 wrote to memory of 2744	2292	skype.exe	29
PID 2292 wrote to memory of 2744	2292	skype.exe	29
PID 2292 wrote to memory of 2744	2292	skype.exe	29
PID 2292 wrote to memory of 2744	2292	skype.exe	29
PID 2744 wrote to memory of 2604	2744	cmd.exe	31
PID 2744 wrote to memory of 2604	2744	cmd.exe	31
PID 2744 wrote to memory of 2604	2744	cmd.exe	31
PID 2744 wrote to memory of 2604	2744	cmd.exe	31
PID 2744 wrote to memory of 2560	2744	cmd.exe	34
PID 2744 wrote to memory of 2560	2744	cmd.exe	34
PID 2744 wrote to memory of 2560	2744	cmd.exe	34
PID 2744 wrote to memory of 2560	2744	cmd.exe	34
PID 2744 wrote to memory of 2976	2744	cmd.exe	35
PID 2744 wrote to memory of 2976	2744	cmd.exe	35
PID 2744 wrote to memory of 2976	2744	cmd.exe	35
PID 2744 wrote to memory of 2976	2744	cmd.exe	35
PID 2976 wrote to memory of 304	2976	skype.exe	36
PID 2976 wrote to memory of 304	2976	skype.exe	36
PID 2976 wrote to memory of 304	2976	skype.exe	36
PID 2976 wrote to memory of 304	2976	skype.exe	36
PID 2976 wrote to memory of 304	2976	skype.exe	36
PID 2976 wrote to memory of 304	2976	skype.exe	36
PID 2976 wrote to memory of 304	2976	skype.exe	36
PID 2976 wrote to memory of 2668	2976	skype.exe	37
PID 2976 wrote to memory of 2668	2976	skype.exe	37
PID 2976 wrote to memory of 2668	2976	skype.exe	37
PID 2976 wrote to memory of 2668	2976	skype.exe	37
PID 2976 wrote to memory of 2668	2976	skype.exe	37
PID 2976 wrote to memory of 2668	2976	skype.exe	37
PID 2976 wrote to memory of 2668	2976	skype.exe	37
PID 1336 wrote to memory of 2688	1336	Explorer.EXE	38
PID 1336 wrote to memory of 2688	1336	Explorer.EXE	38
PID 1336 wrote to memory of 2688	1336	Explorer.EXE	38
PID 1336 wrote to memory of 2688	1336	Explorer.EXE	38
PID 2688 wrote to memory of 652	2688	wlanext.exe	40
PID 2688 wrote to memory of 652	2688	wlanext.exe	40
PID 2688 wrote to memory of 652	2688	wlanext.exe	40
PID 2688 wrote to memory of 652	2688	wlanext.exe	40
PID 2688 wrote to memory of 652	2688	wlanext.exe	40

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Users\Admin\AppData\Local\Temp\e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe
  "C:\Users\Admin\AppData\Local\Temp\e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe"
  2⤵
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1068
- - C:\Users\Admin\AppData\Local\Temp\skype.exe
    "C:\Users\Admin\AppData\Local\Temp\skype.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2292
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 10 > nul && copy "C:\Users\Admin\AppData\Local\Temp\skype.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe" && ping 127.0.0.1 -n 10 > nul && "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe"
      4⤵
      Drops startup file
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:2744
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 10
        5⤵
        Runs ping.exe
        
        PID:2604
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 10
        5⤵
        Runs ping.exe
        
        PID:2560
    - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2976
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
        6⤵
        
        PID:304
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
        6⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        
        PID:2668
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe

Filesize
814KB

MD5
8fc83cdc44075773ee401f010d2443b0

SHA1
96cd91bb463dcb0f7b56e94bf2cb15d7dc8f63b6

SHA256
220977b28fc847b8a2d7c65d3d19a3859e3e62dc5e19edaf4909965516a91694

SHA512
12a5cf0ee3c995faf09f821e4f4db1bf4f50c5ead57e72bf6e518b38c4d14a020724698e0930ea515ddeb810464ab9c9a616e3c8cd0a7e82ce64ab58a614f597

Download Submit
memory/304-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/304-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/304-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1068-2-0x0000000004D00000-0x0000000004D40000-memory.dmp

Filesize
256KB

Download
memory/1068-3-0x0000000000C70000-0x0000000000CB4000-memory.dmp

Filesize
272KB

Download
memory/1068-6-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/1068-1-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/1068-0-0x0000000000F30000-0x0000000001002000-memory.dmp

Filesize
840KB

Download
memory/1336-39-0x00000000085B0000-0x0000000008714000-memory.dmp

Filesize
1.4MB

Download
memory/1336-44-0x0000000008720000-0x0000000008893000-memory.dmp

Filesize
1.4MB

Download
memory/1336-56-0x0000000008720000-0x0000000008893000-memory.dmp

Filesize
1.4MB

Download
memory/1336-43-0x00000000085B0000-0x0000000008714000-memory.dmp

Filesize
1.4MB

Download
memory/1336-54-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2292-7-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2292-8-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-5-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/2668-42-0x0000000000320000-0x0000000000334000-memory.dmp

Filesize
80KB

Download
memory/2668-35-0x0000000000890000-0x0000000000B93000-memory.dmp

Filesize
3.0MB

Download
memory/2668-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-41-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-37-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-33-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-38-0x00000000002E0000-0x00000000002F4000-memory.dmp

Filesize
80KB

Download
memory/2688-49-0x0000000000100000-0x000000000012F000-memory.dmp

Filesize
188KB

Download
memory/2688-45-0x0000000000470000-0x0000000000486000-memory.dmp

Filesize
88KB

Download
memory/2688-46-0x0000000000470000-0x0000000000486000-memory.dmp

Filesize
88KB

Download
memory/2688-47-0x0000000000100000-0x000000000012F000-memory.dmp

Filesize
188KB

Download
memory/2688-48-0x0000000001F60000-0x0000000002263000-memory.dmp

Filesize
3.0MB

Download
memory/2688-53-0x0000000001D20000-0x0000000001DB3000-memory.dmp

Filesize
588KB

Download
memory/2688-60-0x0000000001D20000-0x0000000001DB3000-memory.dmp

Filesize
588KB

Download
memory/2976-16-0x00000000013B0000-0x0000000001482000-memory.dmp

Filesize
840KB

Download
memory/2976-34-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-32-0x0000000001030000-0x0000000001070000-memory.dmp

Filesize
256KB

Download
memory/2976-31-0x0000000001030000-0x0000000001070000-memory.dmp

Filesize
256KB

Download
memory/2976-30-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-21-0x0000000001030000-0x0000000001070000-memory.dmp

Filesize
256KB

Download
memory/2976-20-0x0000000000A30000-0x0000000000A36000-memory.dmp

Filesize
24KB

Download
memory/2976-19-0x0000000000780000-0x000000000079A000-memory.dmp

Filesize
104KB

Download
memory/2976-18-0x0000000001030000-0x0000000001070000-memory.dmp

Filesize
256KB

Download
memory/2976-17-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download