formbook | c7391ce67453425e0a0c70317b07166d7eae0ee6d6af726200a1cc65c8217a55

General

Target

Xyxwnf_tbthqia.exe
Size

629KB
MD5

5349bc9a993c0f27f680df6ae615e25b
SHA1

a09fba1651560d79c73454972541b46127f79cf3
SHA256

c7391ce67453425e0a0c70317b07166d7eae0ee6d6af726200a1cc65c8217a55
SHA512

077dad741dc6cefaf6f579220974165622b9ad2991a1526dd8d653325e972e35a90903fa642cecfa5a73fcbcb8e71a70f7165e0b6ebbc709280615725e36aed1

Score

10^/10

formbook modiloader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.electronicservicesonline.com/jsyp/

Decoy

chernigiv-quest.com

s-sashenzhen.com

curedtherapy.com

esketamine.doctor

advantagehail.com

greensolartechinternet.com

omaybread.com

afrocanlinks.com

luisxe.info

qygmuakh.club

mutlulukdileriz.net

lifelineglobalministries.today

aaa1roofing.com

bestcoworker.com

exclusiveoffer.bet

answerwill.com

canelonni.com

getuvewedre.com

mrhotelsthailand.com

brabantinecityrow.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3252-119-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/3252-121-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral2/memory/1860-127-0x0000000000810000-0x000000000083E000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cmstp.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmstp.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DJOPUXMXCNY = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	cmstp.exe

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
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Xyxwnf_tbthqia.execmstp.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\Xyxwnf = "C:\\Users\\Public\\Libraries\\fnwxyX.url"	Xyxwnf_tbthqia.exe
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	cmstp.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

ieinstal.execmstp.exe

description	pid	process	target process
PID 3252 set thread context of 2460	3252	ieinstal.exe	Explorer.EXE
PID 1860 set thread context of 2460	1860	cmstp.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmstp.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmstp.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

ieinstal.execmstp.exe

pid	process
3252	ieinstal.exe
3252	ieinstal.exe
3252	ieinstal.exe
3252	ieinstal.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe
1860	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2460 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

ieinstal.execmstp.exe

pid process

3252 ieinstal.exe
3252 ieinstal.exe
3252 ieinstal.exe
1860 cmstp.exe
1860 cmstp.exe
1860 cmstp.exe
1860 cmstp.exe

pid	process
2460	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

ieinstal.exeExplorer.EXEcmstp.exe

description	pid	process
Token: SeDebugPrivilege	3252	ieinstal.exe
Token: SeShutdownPrivilege	2460	Explorer.EXE
Token: SeCreatePagefilePrivilege	2460	Explorer.EXE
Token: SeDebugPrivilege	1860	cmstp.exe
Token: SeShutdownPrivilege	2460	Explorer.EXE
Token: SeCreatePagefilePrivilege	2460	Explorer.EXE
Token: SeShutdownPrivilege	2460	Explorer.EXE
Token: SeCreatePagefilePrivilege	2460	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2460 Explorer.EXE

pid	process
2460	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Xyxwnf_tbthqia.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 4060 wrote to memory of 3252	4060	Xyxwnf_tbthqia.exe	ieinstal.exe
PID 4060 wrote to memory of 3252	4060	Xyxwnf_tbthqia.exe	ieinstal.exe
PID 4060 wrote to memory of 3252	4060	Xyxwnf_tbthqia.exe	ieinstal.exe
PID 4060 wrote to memory of 3252	4060	Xyxwnf_tbthqia.exe	ieinstal.exe
PID 4060 wrote to memory of 3252	4060	Xyxwnf_tbthqia.exe	ieinstal.exe
PID 4060 wrote to memory of 3252	4060	Xyxwnf_tbthqia.exe	ieinstal.exe
PID 2460 wrote to memory of 1860	2460	Explorer.EXE	cmstp.exe
PID 2460 wrote to memory of 1860	2460	Explorer.EXE	cmstp.exe
PID 2460 wrote to memory of 1860	2460	Explorer.EXE	cmstp.exe
PID 1860 wrote to memory of 376	1860	cmstp.exe	Firefox.exe
PID 1860 wrote to memory of 376	1860	cmstp.exe	Firefox.exe
PID 1860 wrote to memory of 376	1860	cmstp.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2460

C:\Users\Admin\AppData\Local\Temp\Xyxwnf_tbthqia.exe
"C:\Users\Admin\AppData\Local\Temp\Xyxwnf_tbthqia.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4060

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3252

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1860

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:376

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\14A60OP1\14Alogim.jpeg
MD5
4ccf9f4b9a7d26e5ed81894ab1c64bdc

SHA1
07571453a33520f7d729e88e5d9539d551f45a7e

SHA256
6f508da907010a7b8a0c3705d07dde3aaa60fe38c377542827ede5f41bebd253

SHA512
4db11117a0b7bc67c9d3c200dc2fdbe6748adf623f896ac5441da0ea435640ed93d78ad7e8ecda3de6df8ff76a443f53e053c23bb5c8325fc300551ae8ada395

Download Submit
C:\Users\Admin\AppData\Roaming\14A60OP1\14Alogrf.ini
MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\14A60OP1\14Alogri.ini
MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\14A60OP1\14Alogrv.ini
MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/376-131-0x0000000000000000-mapping.dmp

Download
memory/376-133-0x000001B21DEE0000-0x000001B21E028000-memory.dmp

Filesize
1.3MB

Download
memory/376-132-0x00007FF7FAB60000-0x00007FF7FABF3000-memory.dmp

Filesize
588KB

Download
memory/1860-126-0x0000000001360000-0x0000000001376000-memory.dmp

Filesize
88KB

Download
memory/1860-125-0x0000000000000000-mapping.dmp

Download
memory/1860-127-0x0000000000810000-0x000000000083E000-memory.dmp

Filesize
184KB

Download
memory/1860-128-0x0000000004920000-0x0000000004C40000-memory.dmp

Filesize
3.1MB

Download
memory/1860-129-0x0000000001170000-0x0000000001203000-memory.dmp

Filesize
588KB

Download
memory/2460-124-0x00000000026D0000-0x0000000002790000-memory.dmp

Filesize
768KB

Download
memory/2460-130-0x0000000005F50000-0x0000000006068000-memory.dmp

Filesize
1.1MB

Download
memory/3252-123-0x0000000000830000-0x0000000000844000-memory.dmp

Filesize
80KB

Download
memory/3252-122-0x00000000045E0000-0x0000000004900000-memory.dmp

Filesize
3.1MB

Download
memory/3252-120-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/3252-121-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/3252-119-0x0000000000000000-mapping.dmp

Download
memory/4060-114-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/4060-116-0x0000000002370000-0x000000000238A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads