formbook | 619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da

Analysis

max time kernel
146s
max time network
137s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/09/2024, 12:34

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General

Target

101 2043 5770 pdf.exe
Size

2.1MB
MD5

347c2e55b52480f82e8f45344fd2a7f8
SHA1

9818c55d04a25dc17f43fe0371a73a1261aefcdf
SHA256

619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da
SHA512

47a5715c9cc343521e8081f5b26ef6755e026aafdfdd09048f1932b63f0b9bbf85e7e989d68240fc6025426442b5ff8f389d9bc625f22ef085d5d0b261a6bcad
SSDEEP

49152:IuAEE6l/kZzz3uBytwA6cYAyhEvFB4W1edYWW2SMO5:XuzUE2W

Score

10^/10

formbook n7ak credential_access discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

wise-transfer.info

jam-nins.com

thebestsocialcrm.com

majomeow222.com

ancientshadowguilt.space

gentleman-china.com

parquemermoz.store

taxuw.com

sharqiyapaints.com

libraryofkath.com

1949wan.com

synqr.net

bitchessgirls.com

btonu.cfd

coding-bootcamps-16314.com

leadership22-tdh.site

maximsboutique.com

irishsummertruffles.com

sdnaqianchuan.com

uyews.xyz

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/3036-0-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3036-4-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2240-9-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2224 set thread context of 3036	2224	101 2043 5770 pdf.exe	37
PID 3036 set thread context of 1196	3036	wab.exe	21
PID 2240 set thread context of 1196	2240	raserver.exe	21

System Location Discovery: System Language Discovery 1 TTPs 1 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	raserver.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1488793075-819845221-1497111674-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
3036	wab.exe
3036	wab.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3036	wab.exe
3036	wab.exe
3036	wab.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe
2240	raserver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2224	101 2043 5770 pdf.exe
Token: SeDebugPrivilege	3036	wab.exe
Token: SeDebugPrivilege	2240	raserver.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2000	2224	101 2043 5770 pdf.exe	31
PID 2224 wrote to memory of 2000	2224	101 2043 5770 pdf.exe	31
PID 2224 wrote to memory of 2000	2224	101 2043 5770 pdf.exe	31
PID 2224 wrote to memory of 2000	2224	101 2043 5770 pdf.exe	31
PID 2224 wrote to memory of 2000	2224	101 2043 5770 pdf.exe	31
PID 2224 wrote to memory of 2160	2224	101 2043 5770 pdf.exe	32
PID 2224 wrote to memory of 2160	2224	101 2043 5770 pdf.exe	32
PID 2224 wrote to memory of 2160	2224	101 2043 5770 pdf.exe	32
PID 2224 wrote to memory of 2160	2224	101 2043 5770 pdf.exe	32
PID 2224 wrote to memory of 2160	2224	101 2043 5770 pdf.exe	32
PID 2224 wrote to memory of 2340	2224	101 2043 5770 pdf.exe	33
PID 2224 wrote to memory of 2340	2224	101 2043 5770 pdf.exe	33
PID 2224 wrote to memory of 2340	2224	101 2043 5770 pdf.exe	33
PID 2224 wrote to memory of 2340	2224	101 2043 5770 pdf.exe	33
PID 2224 wrote to memory of 2340	2224	101 2043 5770 pdf.exe	33
PID 2224 wrote to memory of 2340	2224	101 2043 5770 pdf.exe	33
PID 2224 wrote to memory of 2340	2224	101 2043 5770 pdf.exe	33
PID 2224 wrote to memory of 2376	2224	101 2043 5770 pdf.exe	34
PID 2224 wrote to memory of 2376	2224	101 2043 5770 pdf.exe	34
PID 2224 wrote to memory of 2376	2224	101 2043 5770 pdf.exe	34
PID 2224 wrote to memory of 2376	2224	101 2043 5770 pdf.exe	34
PID 2224 wrote to memory of 2376	2224	101 2043 5770 pdf.exe	34
PID 2224 wrote to memory of 2376	2224	101 2043 5770 pdf.exe	34
PID 2224 wrote to memory of 2376	2224	101 2043 5770 pdf.exe	34
PID 2224 wrote to memory of 276	2224	101 2043 5770 pdf.exe	35
PID 2224 wrote to memory of 276	2224	101 2043 5770 pdf.exe	35
PID 2224 wrote to memory of 276	2224	101 2043 5770 pdf.exe	35
PID 2224 wrote to memory of 276	2224	101 2043 5770 pdf.exe	35
PID 2224 wrote to memory of 276	2224	101 2043 5770 pdf.exe	35
PID 2224 wrote to memory of 1400	2224	101 2043 5770 pdf.exe	36
PID 2224 wrote to memory of 1400	2224	101 2043 5770 pdf.exe	36
PID 2224 wrote to memory of 1400	2224	101 2043 5770 pdf.exe	36
PID 2224 wrote to memory of 1400	2224	101 2043 5770 pdf.exe	36
PID 2224 wrote to memory of 1400	2224	101 2043 5770 pdf.exe	36
PID 2224 wrote to memory of 1400	2224	101 2043 5770 pdf.exe	36
PID 2224 wrote to memory of 1400	2224	101 2043 5770 pdf.exe	36
PID 2224 wrote to memory of 3036	2224	101 2043 5770 pdf.exe	37
PID 2224 wrote to memory of 3036	2224	101 2043 5770 pdf.exe	37
PID 2224 wrote to memory of 3036	2224	101 2043 5770 pdf.exe	37
PID 2224 wrote to memory of 3036	2224	101 2043 5770 pdf.exe	37
PID 2224 wrote to memory of 3036	2224	101 2043 5770 pdf.exe	37
PID 2224 wrote to memory of 3036	2224	101 2043 5770 pdf.exe	37
PID 2224 wrote to memory of 3036	2224	101 2043 5770 pdf.exe	37
PID 1196 wrote to memory of 2240	1196	Explorer.EXE	38
PID 1196 wrote to memory of 2240	1196	Explorer.EXE	38
PID 1196 wrote to memory of 2240	1196	Explorer.EXE	38
PID 1196 wrote to memory of 2240	1196	Explorer.EXE	38
PID 2240 wrote to memory of 2840	2240	raserver.exe	40
PID 2240 wrote to memory of 2840	2240	raserver.exe	40
PID 2240 wrote to memory of 2840	2240	raserver.exe	40
PID 2240 wrote to memory of 2840	2240	raserver.exe	40
PID 2240 wrote to memory of 2840	2240	raserver.exe	40

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\101 2043 5770 pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\101 2043 5770 pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2224
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe"
    3⤵
    PID:2000
- - C:\Windows\System32\calc.exe
    "C:\Windows\System32\calc.exe"
    3⤵
    PID:2160
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
    3⤵
    PID:2340
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
    3⤵
    PID:2376
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
    3⤵
    PID:276
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
    3⤵
    PID:1400
- - C:\Program Files (x86)\Windows Mail\wab.exe
    "C:\Program Files (x86)\Windows Mail\wab.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3036
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg

Filesize
61KB

MD5
89a0f2949deb1a48319ff2ea7fc11e40

SHA1
ec0d2c80f4bc396d0e2c45904874022b358bb2e9

SHA256
88f67426d686a563d070557bd98f703c1d4d275d7061e3b906dc21644d9a580d

SHA512
430cfa86cf090e42666536fb9a8a511cb79b8e422f27f9b08435d023a2f35f808f3c1a276d6b46c5ed981bd7f85659784a41c01f4cb4183f8aa24e7f58cc5c5b

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1196-6-0x0000000006890000-0x00000000069F7000-memory.dmp

Filesize
1.4MB

Download
memory/1196-3-0x0000000003AA0000-0x0000000003BA0000-memory.dmp

Filesize
1024KB

Download
memory/1196-13-0x0000000006890000-0x00000000069F7000-memory.dmp

Filesize
1.4MB

Download
memory/1196-19-0x0000000005430000-0x000000000550A000-memory.dmp

Filesize
872KB

Download
memory/1196-20-0x0000000005430000-0x000000000550A000-memory.dmp

Filesize
872KB

Download
memory/1196-26-0x0000000005430000-0x000000000550A000-memory.dmp

Filesize
872KB

Download
memory/2240-7-0x00000000009C0000-0x00000000009DC000-memory.dmp

Filesize
112KB

Download
memory/2240-8-0x00000000009C0000-0x00000000009DC000-memory.dmp

Filesize
112KB

Download
memory/2240-9-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/3036-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3036-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3036-5-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/3036-1-0x0000000000BC0000-0x0000000000EC3000-memory.dmp

Filesize
3.0MB

Download