formbook | 2cebb91711fec36e567181cd4a08a6deb6be9107382b0040779c5b074df90307

General

Target

11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe
Size

731KB
MD5

7c4e7dc9b73afae121b7f83004013971
SHA1

f9690031e5fec4f0379598f03bd395b6714206c0
SHA256

11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d
SHA512

b10cd46dc62a7bf864ea7c036d7ed4c61cfc29c57d8f480b03f58415a5c1e293d68bc9a9748b4c325c6f142d93c5e86084a01079b6542de43fff7f7408672d2b
SSDEEP

12288:IcCtsy64aJfjXdCkkJ0sNSLXLnEvZWL8tpIgRmus0F:3RyuNjXdM0pLXLEvZWLEpIgRmus0

Score

10^/10

formbook ar73 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ar73

Decoy

classgorilla.com

b6817.com

1wwuwa.top

dgslimited.africa

deepwaterships.com

hkshshoptw.shop

hurricanevalleyatvjamboree.com

ckpconsulting.com

laojiangmath.com

authenticityhacking.com

family-doctor-53205.com

investinstgeorgeut.com

lithoearthsolution.africa

quickhealcareltd.co.uk

delightkgrillw.top

freezeclosettoilet.com

coo1star.com

gemgamut.com

enrichednetworksolutions.com

betterbeeclean.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/1604-70-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1604-73-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/688-78-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/688-80-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exeMSBuild.execmmon32.exe

description	pid	process	target process
PID 1948 set thread context of 1604	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe	MSBuild.exe
PID 1604 set thread context of 1176	1604	MSBuild.exe	Explorer.EXE
PID 688 set thread context of 1176	688	cmmon32.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 23 IoCs

Processes:

powershell.exeMSBuild.execmmon32.exe

pid	process
1364	powershell.exe
1604	MSBuild.exe
1604	MSBuild.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe
688	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1176 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

MSBuild.execmmon32.exe

pid process

1604 MSBuild.exe
1604 MSBuild.exe
1604 MSBuild.exe
688 cmmon32.exe
688 cmmon32.exe

pid	process
1176	Explorer.EXE

pid	process
1604	MSBuild.exe
1604	MSBuild.exe
1604	MSBuild.exe
688	cmmon32.exe
688	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exepowershell.exeMSBuild.execmmon32.exe

description	pid	process
Token: SeDebugPrivilege	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe
Token: SeDebugPrivilege	1364	powershell.exe
Token: SeDebugPrivilege	1604	MSBuild.exe
Token: SeDebugPrivilege	688	cmmon32.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1948 wrote to memory of 1364	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe	powershell.exe
PID 1948 wrote to memory of 1364	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe	powershell.exe
PID 1948 wrote to memory of 1364	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe	powershell.exe
PID 1948 wrote to memory of 1364	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe	powershell.exe
PID 1948 wrote to memory of 1604	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe	MSBuild.exe
PID 1948 wrote to memory of 1604	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe	MSBuild.exe
PID 1948 wrote to memory of 1604	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe	MSBuild.exe
PID 1948 wrote to memory of 1604	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe	MSBuild.exe
PID 1948 wrote to memory of 1604	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe	MSBuild.exe
PID 1948 wrote to memory of 1604	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe	MSBuild.exe
PID 1948 wrote to memory of 1604	1948	11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe	MSBuild.exe
PID 1176 wrote to memory of 688	1176	Explorer.EXE	cmmon32.exe
PID 1176 wrote to memory of 688	1176	Explorer.EXE	cmmon32.exe
PID 1176 wrote to memory of 688	1176	Explorer.EXE	cmmon32.exe
PID 1176 wrote to memory of 688	1176	Explorer.EXE	cmmon32.exe
PID 688 wrote to memory of 2004	688	cmmon32.exe	cmd.exe
PID 688 wrote to memory of 2004	688	cmmon32.exe	cmd.exe
PID 688 wrote to memory of 2004	688	cmmon32.exe	cmd.exe
PID 688 wrote to memory of 2004	688	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1176

C:\Users\Admin\AppData\Local\Temp\11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe
"C:\Users\Admin\AppData\Local\Temp\11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1364

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1604

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:688

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
PID:2004

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/688-80-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/688-76-0x0000000000EB0000-0x0000000000EBD000-memory.dmp

Filesize
52KB

Download
memory/688-77-0x0000000000EB0000-0x0000000000EBD000-memory.dmp

Filesize
52KB

Download
memory/688-78-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/688-79-0x00000000022C0000-0x00000000025C3000-memory.dmp

Filesize
3.0MB

Download
memory/688-82-0x0000000000590000-0x0000000000623000-memory.dmp

Filesize
588KB

Download
memory/1176-89-0x000007FE8F840000-0x000007FE8F84A000-memory.dmp

Filesize
40KB

Download
memory/1176-86-0x00000000064E0000-0x0000000006634000-memory.dmp

Filesize
1.3MB

Download
memory/1176-84-0x00000000064E0000-0x0000000006634000-memory.dmp

Filesize
1.3MB

Download
memory/1176-75-0x0000000007530000-0x00000000076C8000-memory.dmp

Filesize
1.6MB

Download
memory/1176-83-0x00000000064E0000-0x0000000006634000-memory.dmp

Filesize
1.3MB

Download
memory/1364-60-0x00000000026B0000-0x00000000026F0000-memory.dmp

Filesize
256KB

Download
memory/1364-65-0x00000000026B0000-0x00000000026F0000-memory.dmp

Filesize
256KB

Download
memory/1364-64-0x00000000026B0000-0x00000000026F0000-memory.dmp

Filesize
256KB

Download
memory/1364-62-0x00000000026B0000-0x00000000026F0000-memory.dmp

Filesize
256KB

Download
memory/1364-61-0x00000000026B0000-0x00000000026F0000-memory.dmp

Filesize
256KB

Download
memory/1604-72-0x0000000000880000-0x0000000000B83000-memory.dmp

Filesize
3.0MB

Download
memory/1604-74-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/1604-73-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1604-70-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1604-69-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1604-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1604-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1948-54-0x0000000000840000-0x00000000008FC000-memory.dmp

Filesize
752KB

Download
memory/1948-63-0x0000000004D20000-0x0000000004D60000-memory.dmp

Filesize
256KB

Download
memory/1948-57-0x0000000005C50000-0x0000000005CE2000-memory.dmp

Filesize
584KB

Download
memory/1948-56-0x0000000006960000-0x0000000006ACC000-memory.dmp

Filesize
1.4MB

Download
memory/1948-55-0x0000000004D20000-0x0000000004D60000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads