formbook | 3e57610037924c21124e91f187f11f45e1d1cc44de45a1d965cd29a92d56f450

General

Target

APR.19.lista e porosive te reja.exe
Size

906KB
MD5

fc079ff271b7d899595dac726f2a97d3
SHA1

b791868359118a324ca421e53de444b3c20b7b9a
SHA256

3e57610037924c21124e91f187f11f45e1d1cc44de45a1d965cd29a92d56f450
SHA512

e798b5788568db00f0512f99a607674770d2f249c9f4723faa9f71c0cc128065ac15b69e069951efa64813f6c889acb47b7775a3421c0b89afa252e71a843075

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
behavioral1/memory/524-65-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/524-68-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral1/memory/2028-75-0x0000000000080000-0x00000000000AD000-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:

cmd.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\BX4DUX18FPGL = "C:\\Program Files (x86)\\Nzz6hzl18\\autochktnltq4ix.exe"	cmd.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

Suspicious use of SetThreadContext 2 IoCs

Processes:

mobsync.execmd.exe

description	pid	process	target process
PID 524 set thread context of 1196	524	mobsync.exe	Explorer.EXE
PID 2028 set thread context of 1196	2028	cmd.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cmd.exe

description ioc process

File opened for modification C:\Program Files (x86)\Nzz6hzl18\autochktnltq4ix.exe cmd.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Nzz6hzl18\autochktnltq4ix.exe	cmd.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmd.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

mobsync.execmd.exe

pid	process
524	mobsync.exe
524	mobsync.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe
2028	cmd.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

mobsync.execmd.exe

pid process

524 mobsync.exe
524 mobsync.exe
524 mobsync.exe
2028 cmd.exe
2028 cmd.exe
2028 cmd.exe
2028 cmd.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mobsync.execmd.exe

description pid process

Token: SeDebugPrivilege 524 mobsync.exe
Token: SeDebugPrivilege 2028 cmd.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	524	mobsync.exe
Token: SeDebugPrivilege	2028	cmd.exe

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

APR.19.lista e porosive te reja.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 1748 wrote to memory of 524	1748	APR.19.lista e porosive te reja.exe	mobsync.exe
PID 1748 wrote to memory of 524	1748	APR.19.lista e porosive te reja.exe	mobsync.exe
PID 1748 wrote to memory of 524	1748	APR.19.lista e porosive te reja.exe	mobsync.exe
PID 1748 wrote to memory of 524	1748	APR.19.lista e porosive te reja.exe	mobsync.exe
PID 1748 wrote to memory of 524	1748	APR.19.lista e porosive te reja.exe	mobsync.exe
PID 1748 wrote to memory of 524	1748	APR.19.lista e porosive te reja.exe	mobsync.exe
PID 1748 wrote to memory of 524	1748	APR.19.lista e porosive te reja.exe	mobsync.exe
PID 1196 wrote to memory of 2028	1196	Explorer.EXE	cmd.exe
PID 1196 wrote to memory of 2028	1196	Explorer.EXE	cmd.exe
PID 1196 wrote to memory of 2028	1196	Explorer.EXE	cmd.exe
PID 1196 wrote to memory of 2028	1196	Explorer.EXE	cmd.exe
PID 2028 wrote to memory of 1160	2028	cmd.exe	cmd.exe
PID 2028 wrote to memory of 1160	2028	cmd.exe	cmd.exe
PID 2028 wrote to memory of 1160	2028	cmd.exe	cmd.exe
PID 2028 wrote to memory of 1160	2028	cmd.exe	cmd.exe
PID 2028 wrote to memory of 1600	2028	cmd.exe	Firefox.exe
PID 2028 wrote to memory of 1600	2028	cmd.exe	Firefox.exe
PID 2028 wrote to memory of 1600	2028	cmd.exe	Firefox.exe
PID 2028 wrote to memory of 1600	2028	cmd.exe	Firefox.exe
PID 2028 wrote to memory of 1600	2028	cmd.exe	Firefox.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

cmd.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer cmd.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	cmd.exe

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\APR.19.lista e porosive te reja.exe
"C:\Users\Admin\AppData\Local\Temp\APR.19.lista e porosive te reja.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:524

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Adds policy 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
- System policy modification
PID:2028

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\mobsync.exe"
3⤵
PID:1160

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1600

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\-65A6372\-65logim.jpeg
MD5
491d256ebdf7f3f46295a7223ced6f1e

SHA1
f9dab6817e19f9c8311730c77ee6aaf74baeddb3

SHA256
496dc16288dc0ff1287710afc8d6bc5d1b10b192a908a79c43a152895ecb5083

SHA512
75b398ff58b89fc1ce1f50ce4b8b024e8252cc721c6d25c7f87d8084a3d1b0d37f2ad7640082bbd18fb694e6492327d7b5d18b60fe80212ba1dc59681226806b

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
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/524-65-0x0000000000000000-mapping.dmp

Download
memory/524-69-0x0000000002240000-0x0000000002543000-memory.dmp

Filesize
3.0MB

Download
memory/524-70-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/524-67-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/524-68-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/1160-76-0x0000000000000000-mapping.dmp

Download
memory/1196-78-0x0000000004250000-0x00000000042F3000-memory.dmp

Filesize
652KB

Download
memory/1196-71-0x0000000007610000-0x0000000007773000-memory.dmp

Filesize
1.4MB

Download
memory/1600-80-0x0000000000000000-mapping.dmp

Download
memory/1600-81-0x000000013FBF0000-0x000000013FC83000-memory.dmp

Filesize
588KB

Download
memory/1600-82-0x0000000000060000-0x00000000001E2000-memory.dmp

Filesize
1.5MB

Download
memory/1748-59-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1748-62-0x00000000003B0000-0x00000000003CA000-memory.dmp

Filesize
104KB

Download
memory/1748-60-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2028-74-0x0000000001FC0000-0x00000000022C3000-memory.dmp

Filesize
3.0MB

Download
memory/2028-73-0x000000004A130000-0x000000004A17C000-memory.dmp

Filesize
304KB

Download
memory/2028-75-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/2028-77-0x00000000004A0000-0x0000000000533000-memory.dmp

Filesize
588KB

Download
memory/2028-72-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads