formbook | c56782b7cd0ef11d6db2fd7e3057c118c7e2eb498979b51828aa784f87a61061

General

Target

b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe
Size

463KB
MD5

4d4d6884fc7d0bfd244994a57a299c66
SHA1

74f63690ee02781983d81405d4acf43bed038c6c
SHA256

b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5
SHA512

d9f074fd06fd50a2ec887a6219caa123db8bc1590f1e481f48396f42de77b0eaa837f06a4208972e6f64bb3702346ba001ace910dd3a379b0d89b51caa821e27
SSDEEP

6144:A3SUuzCaxOPyxKMQV6WjBZI3kqegi5+ck5hyrGaMvaZecVa+:A3rAePqQhBS3UKy/UcV

Score

10^/10

formbook f4ca rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

f4ca

Decoy

QYZ6iE9Y+CsiZpCBareS0uU=

N2FQLAaH6xXE

Vc6t0MQXN+Llxsqg

ElBedmSvYGGm6yLDhHqzAtmlCxWl

4VpIWShqHR5cpjfQ4bs=

mepO9miu/iFiQQ==

Z8Owqh54IlwEpDfQ4bs=

qcq4uT5HecWZG3EVwKTiUE7slrGQGiyo

IaYYoJikKDDqgV/NigZCLA==

4Xz5pfoCCW/76NnOUrFEOw==

xiijSkVJ3Yuh9OKDcmui/d2lCxWl

cr8MmfpCEu0ULsO3p6w=

JLm2yKHo7hdVb8O3p6w=

Hriy5svWm2Qfq9mPQib9jJI65gOr

2G3nkRpidunlxsqg

gPHUAeXmi8Q9ARy3

6l5WaOf8BxhQDkp5gKQ=

KHHiXs4WOqXZdPhpaw==

+UQ5Vz5O0Ms9ARy3

pNQygKu0OziAvjOHRGLnJA==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Blocklisted process makes network request 1 IoCs

Processes:

msiexec.exe

flow pid process

8 660 msiexec.exe
Loads dropped DLL 1 IoCs

Processes:

msiexec.exe

pid process

660 msiexec.exe

flow	pid	process
8	660	msiexec.exe

pid	process
660	msiexec.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exeregsvcs.exemsiexec.exe

description	pid	process	target process
PID 1236 set thread context of 1380	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1380 set thread context of 1220	1380	regsvcs.exe	Explorer.EXE
PID 660 set thread context of 1220	660	msiexec.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3948302646-268491222-1934009652-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exeregsvcs.exemsiexec.exe

pid	process
1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe
1380	regsvcs.exe
1380	regsvcs.exe
1380	regsvcs.exe
1380	regsvcs.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

regsvcs.exemsiexec.exe

pid process

1380 regsvcs.exe
1380 regsvcs.exe
1380 regsvcs.exe
660 msiexec.exe
660 msiexec.exe
660 msiexec.exe
660 msiexec.exe

pid	process
1220	Explorer.EXE

pid	process
1380	regsvcs.exe
1380	regsvcs.exe
1380	regsvcs.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe
660	msiexec.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exeregsvcs.exemsiexec.exe

description	pid	process
Token: SeDebugPrivilege	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe
Token: SeDebugPrivilege	1380	regsvcs.exe
Token: SeDebugPrivilege	660	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 1236 wrote to memory of 1692	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1692	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1692	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1692	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1692	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1692	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1692	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1380	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1380	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1380	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1380	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1380	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1380	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1380	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1380	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1380	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1236 wrote to memory of 1380	1236	b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe	regsvcs.exe
PID 1220 wrote to memory of 660	1220	Explorer.EXE	msiexec.exe
PID 1220 wrote to memory of 660	1220	Explorer.EXE	msiexec.exe
PID 1220 wrote to memory of 660	1220	Explorer.EXE	msiexec.exe
PID 1220 wrote to memory of 660	1220	Explorer.EXE	msiexec.exe
PID 1220 wrote to memory of 660	1220	Explorer.EXE	msiexec.exe
PID 1220 wrote to memory of 660	1220	Explorer.EXE	msiexec.exe
PID 1220 wrote to memory of 660	1220	Explorer.EXE	msiexec.exe
PID 660 wrote to memory of 1212	660	msiexec.exe	Firefox.exe
PID 660 wrote to memory of 1212	660	msiexec.exe	Firefox.exe
PID 660 wrote to memory of 1212	660	msiexec.exe	Firefox.exe
PID 660 wrote to memory of 1212	660	msiexec.exe	Firefox.exe
PID 660 wrote to memory of 1212	660	msiexec.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1220

C:\Users\Admin\AppData\Local\Temp\b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe
"C:\Users\Admin\AppData\Local\Temp\b4510b5db7db58da65f4d1bd545a5ca892fbd9c8ed6551abd90f64241bdeb4b5.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
3⤵
PID:1692

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1380

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:660

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1212

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\khl4hxeh.zip
Filesize
486KB

MD5
1e73cacce02ae20026a81f1e56416aa3

SHA1
f491a7301ce11cf11a92c0245c7e03d927422286

SHA256
0dd0dd38cde5a14e7d6d0830db62cc7037e521fd042b0b8da0763128b2c0b3f2

SHA512
afe77facd8b16cc744ac2277414ffaf83436999d15eb8ac707f8098e2f8ed4cb29b430392ebe46b7fa65b20730615bc33dee9416f7141da5032a630894980a0a

Download Submit
\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
927KB

MD5
7fd80b1cc72dc580c02ca4cfbfb2592d

SHA1
18da905af878b27151b359cf1a7d0a650764e8a1

SHA256
1e6dccbdf8527abb53c289da920463b7895300d0d984cc7e91a3ecda4e673190

SHA512
13f7f29b5ed31c551aa5f27742557aa4d026a226087d6fcbca094819759ecc753a2c33b7422ae88dc6a4a0a966edb8485a18e59a0283ba2686cae5d78e0190a3

Download Submit
memory/660-69-0x0000000000C60000-0x0000000000C74000-memory.dmp

Filesize
80KB

Download
memory/660-126-0x0000000061E00000-0x0000000061ED2000-memory.dmp

Filesize
840KB

Download
memory/660-78-0x0000000000AD0000-0x0000000000B5F000-memory.dmp

Filesize
572KB

Download
memory/660-76-0x0000000000120000-0x000000000014D000-memory.dmp

Filesize
180KB

Download
memory/660-75-0x0000000002210000-0x0000000002513000-memory.dmp

Filesize
3.0MB

Download
memory/660-74-0x0000000000120000-0x000000000014D000-memory.dmp

Filesize
180KB

Download
memory/660-73-0x0000000000C60000-0x0000000000C74000-memory.dmp

Filesize
80KB

Download
memory/660-71-0x0000000000C60000-0x0000000000C74000-memory.dmp

Filesize
80KB

Download
memory/1220-68-0x0000000004B90000-0x0000000004CA1000-memory.dmp

Filesize
1.1MB

Download
memory/1220-79-0x0000000004DC0000-0x0000000004E9A000-memory.dmp

Filesize
872KB

Download
memory/1220-66-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1220-83-0x0000000004DC0000-0x0000000004E9A000-memory.dmp

Filesize
872KB

Download
memory/1220-80-0x0000000004DC0000-0x0000000004E9A000-memory.dmp

Filesize
872KB

Download
memory/1236-54-0x0000000000E20000-0x0000000000E96000-memory.dmp

Filesize
472KB

Download
memory/1236-55-0x00000000003D0000-0x0000000000418000-memory.dmp

Filesize
288KB

Download
memory/1236-56-0x00000000002C0000-0x00000000002CC000-memory.dmp

Filesize
48KB

Download
memory/1236-57-0x0000000000460000-0x0000000000468000-memory.dmp

Filesize
32KB

Download
memory/1380-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1380-58-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1380-59-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1380-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1380-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1380-63-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/1380-67-0x0000000000140000-0x0000000000150000-memory.dmp

Filesize
64KB

Download
memory/1380-70-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads