formbook | 619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da

Analysis

max time kernel
145s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
14-09-2024 01:32

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General

Target

619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.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 4 IoCs

rat

resource	yara_rule
behavioral2/memory/1584-0-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1584-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1584-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/228-13-0x00000000012D0000-0x00000000012FF000-memory.dmp	formbook

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 1584	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	97
PID 1584 set thread context of 3500	1584	vbc.exe	56
PID 1584 set thread context of 3500	1584	vbc.exe	56
PID 228 set thread context of 3500	228	cmstp.exe	56
PID 228 set thread context of 116	228	cmstp.exe	93

System Location Discovery: System Language Discovery 1 TTPs 2 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	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmstp.exe

Runs regedit.exe 1 IoCs

pid	Process
2648	regedit.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
1584	vbc.exe
1584	vbc.exe
1584	vbc.exe
1584	vbc.exe
1584	vbc.exe
1584	vbc.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe

Suspicious behavior: MapViewOfSection 10 IoCs

pid	Process
1584	vbc.exe
1584	vbc.exe
1584	vbc.exe
1584	vbc.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe
Token: SeDebugPrivilege	1584	vbc.exe
Token: SeDebugPrivilege	228	cmstp.exe
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3500	Explorer.EXE

Suspicious use of WriteProcessMemory 55 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 928	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	84
PID 2792 wrote to memory of 928	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	84
PID 2792 wrote to memory of 928	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	84
PID 2792 wrote to memory of 928	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	84
PID 2792 wrote to memory of 2032	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	88
PID 2792 wrote to memory of 2032	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	88
PID 2792 wrote to memory of 2032	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	88
PID 2792 wrote to memory of 2032	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	88
PID 2792 wrote to memory of 1088	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	89
PID 2792 wrote to memory of 1088	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	89
PID 2792 wrote to memory of 1088	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	89
PID 2792 wrote to memory of 1088	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	89
PID 2792 wrote to memory of 3120	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	90
PID 2792 wrote to memory of 3120	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	90
PID 2792 wrote to memory of 3120	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	90
PID 2792 wrote to memory of 3120	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	90
PID 2792 wrote to memory of 4152	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	91
PID 2792 wrote to memory of 4152	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	91
PID 2792 wrote to memory of 4152	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	91
PID 2792 wrote to memory of 4152	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	91
PID 2792 wrote to memory of 224	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	92
PID 2792 wrote to memory of 224	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	92
PID 2792 wrote to memory of 224	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	92
PID 2792 wrote to memory of 224	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	92
PID 2792 wrote to memory of 116	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	93
PID 2792 wrote to memory of 116	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	93
PID 2792 wrote to memory of 116	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	93
PID 2792 wrote to memory of 116	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	93
PID 2792 wrote to memory of 4364	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	94
PID 2792 wrote to memory of 4364	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	94
PID 2792 wrote to memory of 4364	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	94
PID 2792 wrote to memory of 4364	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	94
PID 2792 wrote to memory of 1200	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	95
PID 2792 wrote to memory of 1200	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	95
PID 2792 wrote to memory of 1200	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	95
PID 2792 wrote to memory of 1200	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	95
PID 2792 wrote to memory of 2648	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	96
PID 2792 wrote to memory of 2648	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	96
PID 2792 wrote to memory of 2648	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	96
PID 2792 wrote to memory of 2648	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	96
PID 2792 wrote to memory of 1584	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	97
PID 2792 wrote to memory of 1584	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	97
PID 2792 wrote to memory of 1584	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	97
PID 2792 wrote to memory of 1584	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	97
PID 2792 wrote to memory of 1584	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	97
PID 2792 wrote to memory of 1584	2792	619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe	97
PID 3500 wrote to memory of 228	3500	Explorer.EXE	98
PID 3500 wrote to memory of 228	3500	Explorer.EXE	98
PID 3500 wrote to memory of 228	3500	Explorer.EXE	98
PID 228 wrote to memory of 432	228	cmstp.exe	99
PID 228 wrote to memory of 432	228	cmstp.exe	99
PID 228 wrote to memory of 432	228	cmstp.exe	99
PID 228 wrote to memory of 1516	228	cmstp.exe	102
PID 228 wrote to memory of 1516	228	cmstp.exe	102
PID 228 wrote to memory of 1516	228	cmstp.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Users\Admin\AppData\Local\Temp\619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe
  "C:\Users\Admin\AppData\Local\Temp\619785d76ee2055a1aca904e2a3e7fb2db9682b99602f7537ab8cd8ade9551da.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe"
    3⤵
    PID:928
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2032
- - C:\Program Files (x86)\Windows Mail\wab.exe
    "C:\Program Files (x86)\Windows Mail\wab.exe"
    3⤵
    PID:1088
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
    3⤵
    PID:3120
- - C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
    3⤵
    PID:4152
- - C:\Windows\System32\svchost.exe
    "C:\Windows\System32\svchost.exe"
    3⤵
    PID:224
- - C:\Windows\System32\notepad.exe
    "C:\Windows\System32\notepad.exe"
    3⤵
    PID:116
- - C:\Windows\System32\calc.exe
    "C:\Windows\System32\calc.exe"
    3⤵
    PID:4364
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
    3⤵
    PID:1200
- - C:\Windows\regedit.exe
    "C:\Windows\regedit.exe"
    3⤵
    - Runs regedit.exe
    PID:2648
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1584
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:228
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    - System Location Discovery: System Language Discovery
    PID:432
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
40KB

MD5
a182561a527f929489bf4b8f74f65cd7

SHA1
8cd6866594759711ea1836e86a5b7ca64ee8911f

SHA256
42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

SHA512
9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

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

Filesize
90KB

MD5
0fd0ffd859c2673c974adb55c93b3c2d

SHA1
5e669bfe06c77396fa034e8ea3e2a832f1a8d2d2

SHA256
58dd2ae392d612608cb5f0ec06e6a35f3dd83324acfc8361d24d6e7edaba950f

SHA512
2a93bfa3f3e4d2d061ac0798b9b43a16cefff8d6ba664e36e81825ab1b7f033c2486609f01fcde92499a7afafdd26790326427f314e306c25135a31e0481a527

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\94Ologrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

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
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/228-11-0x0000000000AB0000-0x0000000000AC6000-memory.dmp

Filesize
88KB

Download
memory/228-13-0x00000000012D0000-0x00000000012FF000-memory.dmp

Filesize
188KB

Download
memory/228-12-0x0000000000AB0000-0x0000000000AC6000-memory.dmp

Filesize
88KB

Download
memory/1584-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1584-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1584-8-0x0000000001750000-0x0000000001764000-memory.dmp

Filesize
80KB

Download
memory/1584-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1584-4-0x0000000000E50000-0x0000000000E64000-memory.dmp

Filesize
80KB

Download
memory/1584-1-0x00000000017F0000-0x0000000001B3A000-memory.dmp

Filesize
3.3MB

Download
memory/3500-9-0x0000000008AE0000-0x0000000008C86000-memory.dmp

Filesize
1.6MB

Download
memory/3500-32-0x0000000008840000-0x00000000088EA000-memory.dmp

Filesize
680KB

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memory/3500-31-0x0000000008840000-0x00000000088EA000-memory.dmp

Filesize
680KB

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memory/3500-28-0x0000000008AE0000-0x0000000008C86000-memory.dmp

Filesize
1.6MB

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memory/3500-10-0x00000000085F0000-0x00000000086BD000-memory.dmp

Filesize
820KB

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memory/3500-5-0x00000000085F0000-0x00000000086BD000-memory.dmp

Filesize
820KB

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