formbook | bb1c83a53e19ede167ba43ec8a4ddcf73fc602eb15c318ec798af1624cd4c808

General

Target

Swift.04202021.exe
Size

594KB
MD5

cb045e8eaa8c74a5b79da54d9cb038ea
SHA1

d291b57e8a814e02111b0146687dfb09263ab73c
SHA256

47031aee7dc67644c841246a50bacd54a31d56603c1305d9966fb56c3b3cb448
SHA512

b07ab3643ab4b77829cb89b2c45e0227b018d83050905b7c85bf939f7d99e6e324df3c6aac0700a9622f290ed03d57eb5c864d7778d4ef86537dea443ba49af5

Score

10^/10

formbook persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.joomlas123.info/3nop/

Decoy

bakecakesandmore.com

shenglisuoye.com

chinapopfactory.com

ynlrhd.com

liqourforyou.com

leonqamil.com

meccafon.com

online-marketing-strategie.biz

rbfxi.com

frseyb.info

leyu91.com

hotsmail.today

beepot.tech

dunaemmetmobility.com

sixpenceworkshop.com

incrediblefavorcoaching.com

pofo.info

yanshudaili.com

yellowbrickwedding.com

paintpartyblueprint.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1320-119-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/1320-121-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral2/memory/3264-128-0x0000000000780000-0x00000000007AD000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cmmon32.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	cmmon32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\GDYL2TBP = "C:\\Program Files (x86)\\Xtjo\\mszpnhn.exe"	cmmon32.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

dialer.execmmon32.exe

description	pid	process	target process
PID 1320 set thread context of 1700	1320	dialer.exe	Explorer.EXE
PID 3264 set thread context of 1700	3264	cmmon32.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cmmon32.exe

description ioc process

File opened for modification C:\Program Files (x86)\Xtjo\mszpnhn.exe cmmon32.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Xtjo\mszpnhn.exe	cmmon32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmmon32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmmon32.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

dialer.execmmon32.exe

pid	process
1320	dialer.exe
1320	dialer.exe
1320	dialer.exe
1320	dialer.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe
3264	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1700 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

dialer.execmmon32.exe

pid process

1320 dialer.exe
1320 dialer.exe
1320 dialer.exe
3264 cmmon32.exe
3264 cmmon32.exe
3264 cmmon32.exe
3264 cmmon32.exe

pid	process
1700	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

dialer.exeExplorer.EXEcmmon32.exe

description	pid	process
Token: SeDebugPrivilege	1320	dialer.exe
Token: SeShutdownPrivilege	1700	Explorer.EXE
Token: SeCreatePagefilePrivilege	1700	Explorer.EXE
Token: SeDebugPrivilege	3264	cmmon32.exe
Token: SeShutdownPrivilege	1700	Explorer.EXE
Token: SeCreatePagefilePrivilege	1700	Explorer.EXE
Token: SeShutdownPrivilege	1700	Explorer.EXE
Token: SeCreatePagefilePrivilege	1700	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

1700 Explorer.EXE

pid	process
1700	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Swift.04202021.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1828 wrote to memory of 1320	1828	Swift.04202021.exe	dialer.exe
PID 1828 wrote to memory of 1320	1828	Swift.04202021.exe	dialer.exe
PID 1828 wrote to memory of 1320	1828	Swift.04202021.exe	dialer.exe
PID 1828 wrote to memory of 1320	1828	Swift.04202021.exe	dialer.exe
PID 1828 wrote to memory of 1320	1828	Swift.04202021.exe	dialer.exe
PID 1828 wrote to memory of 1320	1828	Swift.04202021.exe	dialer.exe
PID 1700 wrote to memory of 3264	1700	Explorer.EXE	cmmon32.exe
PID 1700 wrote to memory of 3264	1700	Explorer.EXE	cmmon32.exe
PID 1700 wrote to memory of 3264	1700	Explorer.EXE	cmmon32.exe
PID 3264 wrote to memory of 1972	3264	cmmon32.exe	cmd.exe
PID 3264 wrote to memory of 1972	3264	cmmon32.exe	cmd.exe
PID 3264 wrote to memory of 1972	3264	cmmon32.exe	cmd.exe
PID 3264 wrote to memory of 2712	3264	cmmon32.exe	Firefox.exe
PID 3264 wrote to memory of 2712	3264	cmmon32.exe	Firefox.exe
PID 3264 wrote to memory of 2712	3264	cmmon32.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:1700

C:\Users\Admin\AppData\Local\Temp\Swift.04202021.exe
"C:\Users\Admin\AppData\Local\Temp\Swift.04202021.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\dialer.exe
C:\Windows\System32\dialer.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1320

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3264

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\dialer.exe"
3⤵
PID:1972

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2712

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\-65A6372\-65logim.jpeg
MD5
ceb7d0ced1d8400645c01406d013966f

SHA1
18156cb81eaa2370717453c64a912a20cc2222d8

SHA256
df830b8ad84c9dd586c8a14150e4ebc51e862aad8c3c2b03f806e8784c199edc

SHA512
4506b877d7ac8de915889d0a93bd52ecde579be4352fa4ede35dc548ac902bafa38b666119ae7bc9508c8cce2b00bf86e66a93aaa69c2e2a390318782e8277f1

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logrf.ini
MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logri.ini
MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logrv.ini
MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/1320-122-0x0000000004390000-0x00000000046B0000-memory.dmp

Filesize
3.1MB

Download
memory/1320-123-0x0000000000A80000-0x0000000000A94000-memory.dmp

Filesize
80KB

Download
memory/1320-120-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1320-121-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/1320-119-0x0000000000000000-mapping.dmp

Download
memory/1700-131-0x0000000006530000-0x00000000065F8000-memory.dmp

Filesize
800KB

Download
memory/1700-124-0x0000000006430000-0x000000000652A000-memory.dmp

Filesize
1000KB

Download
memory/1828-116-0x0000000002330000-0x000000000234A000-memory.dmp

Filesize
104KB

Download
memory/1828-114-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1972-126-0x0000000000000000-mapping.dmp

Download
memory/2712-132-0x0000000000000000-mapping.dmp

Download
memory/2712-133-0x00007FF6BA750000-0x00007FF6BA7E3000-memory.dmp

Filesize
588KB

Download
memory/2712-134-0x00000226150C0000-0x0000022615232000-memory.dmp

Filesize
1.4MB

Download
memory/3264-130-0x00000000012A0000-0x0000000001333000-memory.dmp

Filesize
588KB

Download
memory/3264-129-0x0000000004910000-0x0000000004C30000-memory.dmp

Filesize
3.1MB

Download
memory/3264-128-0x0000000000780000-0x00000000007AD000-memory.dmp

Filesize
180KB

Download
memory/3264-127-0x0000000001360000-0x000000000136C000-memory.dmp

Filesize
48KB

Download
memory/3264-125-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads