formbook | bcb4b428f2487d1dfc2d5f36fdd7f334e7915a5fad15f46835f6a8420002c327

General

Target

Beyan bilgileri.exe
Size

320KB
MD5

170180f6600397459bd336d784f68d29
SHA1

d1a3b3b37326d4f3f229785370a6207d3a4c18cc
SHA256

bcb4b428f2487d1dfc2d5f36fdd7f334e7915a5fad15f46835f6a8420002c327
SHA512

ddf9d91ce714e3dc0c85df6f98a6e6705730ffaff1cbb1973578a8783db532bb76a455e31c080255e7fcf8693ae860bfac42462823bef912dd59d32ef0c03297
SSDEEP

6144:9kwqnbxKVJjrA3CSa/2jgPhOJUoPTJd4U87psxJMUzU:ksS3CSW2GmUoPTcU87pcRw

Score

10^/10

formbook tc10 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

tc10

Decoy

mwigyu.com

sepuluholx.com

nsdigitalagency.com

horrorkore.com

santaclaracoimbrakarate.com

myeternalsummer.com

laosmidnight-lotto.com

haremp.xyz

boyace.top

unusualwithdrawal.com

wildflowerkidsri.com

backlitvps.dev

topwellgas.com

k3nnsworld3.com

wanbang.xyz

cntvc.net

sjcamden.church

pussit24.com

claml.com

statisticsturkey.com

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2016-65-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2016-72-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1440-74-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/1440-79-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

Processes:

sxdjahtyxs.exesxdjahtyxs.exe

pid process

1072 sxdjahtyxs.exe
2016 sxdjahtyxs.exe
Loads dropped DLL 3 IoCs

Processes:

Beyan bilgileri.exesxdjahtyxs.exe

pid process

1220 Beyan bilgileri.exe
1220 Beyan bilgileri.exe
1072 sxdjahtyxs.exe

pid	process
1072	sxdjahtyxs.exe
2016	sxdjahtyxs.exe

pid	process
1220	Beyan bilgileri.exe
1220	Beyan bilgileri.exe
1072	sxdjahtyxs.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

sxdjahtyxs.exesxdjahtyxs.exenetsh.exe

description	pid	process	target process
PID 1072 set thread context of 2016	1072	sxdjahtyxs.exe	sxdjahtyxs.exe
PID 2016 set thread context of 1284	2016	sxdjahtyxs.exe	Explorer.EXE
PID 2016 set thread context of 1284	2016	sxdjahtyxs.exe	Explorer.EXE
PID 1440 set thread context of 1284	1440	netsh.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

sxdjahtyxs.exenetsh.exe

pid	process
2016	sxdjahtyxs.exe
2016	sxdjahtyxs.exe
2016	sxdjahtyxs.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe
1440	netsh.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

sxdjahtyxs.exesxdjahtyxs.exenetsh.exe

pid process

1072 sxdjahtyxs.exe
2016 sxdjahtyxs.exe
2016 sxdjahtyxs.exe
2016 sxdjahtyxs.exe
2016 sxdjahtyxs.exe
1440 netsh.exe
1440 netsh.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

sxdjahtyxs.exenetsh.exe

description pid process

Token: SeDebugPrivilege 2016 sxdjahtyxs.exe
Token: SeDebugPrivilege 1440 netsh.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
1284 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
1284 Explorer.EXE

pid	process
1072	sxdjahtyxs.exe
2016	sxdjahtyxs.exe
2016	sxdjahtyxs.exe
2016	sxdjahtyxs.exe
2016	sxdjahtyxs.exe
1440	netsh.exe
1440	netsh.exe

description	pid	process
Token: SeDebugPrivilege	2016	sxdjahtyxs.exe
Token: SeDebugPrivilege	1440	netsh.exe

pid	process
1284	Explorer.EXE
1284	Explorer.EXE

pid	process
1284	Explorer.EXE
1284	Explorer.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Beyan bilgileri.exesxdjahtyxs.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 1220 wrote to memory of 1072	1220	Beyan bilgileri.exe	sxdjahtyxs.exe
PID 1220 wrote to memory of 1072	1220	Beyan bilgileri.exe	sxdjahtyxs.exe
PID 1220 wrote to memory of 1072	1220	Beyan bilgileri.exe	sxdjahtyxs.exe
PID 1220 wrote to memory of 1072	1220	Beyan bilgileri.exe	sxdjahtyxs.exe
PID 1072 wrote to memory of 2016	1072	sxdjahtyxs.exe	sxdjahtyxs.exe
PID 1072 wrote to memory of 2016	1072	sxdjahtyxs.exe	sxdjahtyxs.exe
PID 1072 wrote to memory of 2016	1072	sxdjahtyxs.exe	sxdjahtyxs.exe
PID 1072 wrote to memory of 2016	1072	sxdjahtyxs.exe	sxdjahtyxs.exe
PID 1072 wrote to memory of 2016	1072	sxdjahtyxs.exe	sxdjahtyxs.exe
PID 1284 wrote to memory of 1440	1284	Explorer.EXE	netsh.exe
PID 1284 wrote to memory of 1440	1284	Explorer.EXE	netsh.exe
PID 1284 wrote to memory of 1440	1284	Explorer.EXE	netsh.exe
PID 1284 wrote to memory of 1440	1284	Explorer.EXE	netsh.exe
PID 1440 wrote to memory of 1188	1440	netsh.exe	cmd.exe
PID 1440 wrote to memory of 1188	1440	netsh.exe	cmd.exe
PID 1440 wrote to memory of 1188	1440	netsh.exe	cmd.exe
PID 1440 wrote to memory of 1188	1440	netsh.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1284

C:\Users\Admin\AppData\Local\Temp\Beyan bilgileri.exe
"C:\Users\Admin\AppData\Local\Temp\Beyan bilgileri.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1220

C:\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe
"C:\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe" C:\Users\Admin\AppData\Local\Temp\juhfdccvz.zs
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1072

C:\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe
"C:\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2016

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1488

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe"
3⤵
PID:1188

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\crqsdy.s
Filesize
185KB

MD5
08d14e71049e4c2e82035f2e5d166092

SHA1
836354041c895bd4e4e77dc0900d5b654db2c669

SHA256
0b949d745439686a16dcb7a23dd15a371ac09b0f5d9ad7f66c8520ba1df5947b

SHA512
5a2e10693749d254d06ad39f2632766c18af7463e5b9beda95106b022b1c448e44b1861f58358b609d55a248706f4e450a4c87cc956fc6eb377edbb0ab81d16b

Download Submit
C:\Users\Admin\AppData\Local\Temp\juhfdccvz.zs
Filesize
5KB

MD5
af1548c7a4eda52ae9b4440e3aa543a6

SHA1
eb4a7522d4b30d89ac3ea451269af04bd34e6578

SHA256
68594204c523f2531c8e6d5e2df1369bae0b406179c64cf563389c95f715e777

SHA512
ab700a3f4d29c1af8dbb3a84da55192ab11150936c922e3d109e57c7b7f388473c35bf182c32152ca5adaf91792b6f87e18575134d4038a20063368fbc435f80

Download Submit
C:\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe
Filesize
276KB

MD5
72ccf0ff6003ca8af9babe0eb60fc193

SHA1
a74d85ff6614e881d427ece7d107d6f0aafaf976

SHA256
31341c01ac1463ce0d4aa155ab5dd32eb9e207c00aff341cdfdc8043d8bb2e5a

SHA512
59f395e7a54d1a0eb3628d2c89b9b448d46538917a050c8b5fd5c52aeb08da16fe0442e5bd5196ebd338fb149ff446ce1b6daab85f9187425f27f7a2da5be3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe
Filesize
276KB

MD5
72ccf0ff6003ca8af9babe0eb60fc193

SHA1
a74d85ff6614e881d427ece7d107d6f0aafaf976

SHA256
31341c01ac1463ce0d4aa155ab5dd32eb9e207c00aff341cdfdc8043d8bb2e5a

SHA512
59f395e7a54d1a0eb3628d2c89b9b448d46538917a050c8b5fd5c52aeb08da16fe0442e5bd5196ebd338fb149ff446ce1b6daab85f9187425f27f7a2da5be3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe
Filesize
276KB

MD5
72ccf0ff6003ca8af9babe0eb60fc193

SHA1
a74d85ff6614e881d427ece7d107d6f0aafaf976

SHA256
31341c01ac1463ce0d4aa155ab5dd32eb9e207c00aff341cdfdc8043d8bb2e5a

SHA512
59f395e7a54d1a0eb3628d2c89b9b448d46538917a050c8b5fd5c52aeb08da16fe0442e5bd5196ebd338fb149ff446ce1b6daab85f9187425f27f7a2da5be3aa

Download Submit
\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe
Filesize
276KB

MD5
72ccf0ff6003ca8af9babe0eb60fc193

SHA1
a74d85ff6614e881d427ece7d107d6f0aafaf976

SHA256
31341c01ac1463ce0d4aa155ab5dd32eb9e207c00aff341cdfdc8043d8bb2e5a

SHA512
59f395e7a54d1a0eb3628d2c89b9b448d46538917a050c8b5fd5c52aeb08da16fe0442e5bd5196ebd338fb149ff446ce1b6daab85f9187425f27f7a2da5be3aa

Download Submit
\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe
Filesize
276KB

MD5
72ccf0ff6003ca8af9babe0eb60fc193

SHA1
a74d85ff6614e881d427ece7d107d6f0aafaf976

SHA256
31341c01ac1463ce0d4aa155ab5dd32eb9e207c00aff341cdfdc8043d8bb2e5a

SHA512
59f395e7a54d1a0eb3628d2c89b9b448d46538917a050c8b5fd5c52aeb08da16fe0442e5bd5196ebd338fb149ff446ce1b6daab85f9187425f27f7a2da5be3aa

Download Submit
\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe
Filesize
276KB

MD5
72ccf0ff6003ca8af9babe0eb60fc193

SHA1
a74d85ff6614e881d427ece7d107d6f0aafaf976

SHA256
31341c01ac1463ce0d4aa155ab5dd32eb9e207c00aff341cdfdc8043d8bb2e5a

SHA512
59f395e7a54d1a0eb3628d2c89b9b448d46538917a050c8b5fd5c52aeb08da16fe0442e5bd5196ebd338fb149ff446ce1b6daab85f9187425f27f7a2da5be3aa

Download Submit
memory/1072-57-0x0000000000000000-mapping.dmp

Download
memory/1188-75-0x0000000000000000-mapping.dmp

Download
memory/1220-54-0x0000000074D81000-0x0000000074D83000-memory.dmp

Filesize
8KB

Download
memory/1284-78-0x0000000004410000-0x00000000044E4000-memory.dmp

Filesize
848KB

Download
memory/1284-80-0x0000000004410000-0x00000000044E4000-memory.dmp

Filesize
848KB

Download
memory/1284-68-0x0000000006A30000-0x0000000006B52000-memory.dmp

Filesize
1.1MB

Download
memory/1284-70-0x0000000006C10000-0x0000000006D2D000-memory.dmp

Filesize
1.1MB

Download
memory/1440-79-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1440-77-0x0000000000A50000-0x0000000000AE3000-memory.dmp

Filesize
588KB

Download
memory/1440-71-0x0000000000000000-mapping.dmp

Download
memory/1440-76-0x0000000002180000-0x0000000002483000-memory.dmp

Filesize
3.0MB

Download
memory/1440-73-0x0000000000D60000-0x0000000000D7B000-memory.dmp

Filesize
108KB

Download
memory/1440-74-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2016-66-0x0000000000810000-0x0000000000B13000-memory.dmp

Filesize
3.0MB

Download
memory/2016-72-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2016-69-0x0000000000380000-0x0000000000394000-memory.dmp

Filesize
80KB

Download
memory/2016-67-0x00000000002B0000-0x00000000002C4000-memory.dmp

Filesize
80KB

Download
memory/2016-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2016-63-0x000000000041F0E0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads