formbook | 7139fbd600738d2f456c7f11ae105e45ab0bb6e14a473ae0e68391b8125da393

General

Target

PO_JAN907#092941_BARYSLpdf.exe
Size

928KB
MD5

e24296acfd8c4ec1fb1e5b4b9379be14
SHA1

cdfcde4ab8907b98d3266eb1f80afa43821fb764
SHA256

7139fbd600738d2f456c7f11ae105e45ab0bb6e14a473ae0e68391b8125da393
SHA512

8123f2ab10402f61238d4468c472d23d7cd9788e2f01f3ea8eaf08130a576dad534ebc38329009f54f60ac23b92a26bc792a79426a35c7ac8f964148fa5dd2ac

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.thedilleyo.com/kb8/

Decoy

goodsforbuilders.com

dafuhe.com

parapharmacity.com

montclairymcamotionvibe.com

jamesmccloudart.com

reignfallentertainment.com

couplesforequality.com

pitchbop.com

minipresspaperco.com

venoam.com

so-paradise.com

surgeryprovider.com

donaldscareers.com

disney-funlife.com

biosolo.net

themodsmith.net

grandhawaiian.com

11mountains.com

immatesearch.com

stochastichq.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/4088-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4088-13-0x000000000041EB70-mapping.dmp	formbook
behavioral2/memory/4300-20-0x0000000000660000-0x000000000068E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

PO_JAN907#092941_BARYSLpdf.exePO_JAN907#092941_BARYSLpdf.exesystray.exe

description	pid	process	target process
PID 4716 set thread context of 4088	4716	PO_JAN907#092941_BARYSLpdf.exe	PO_JAN907#092941_BARYSLpdf.exe
PID 4088 set thread context of 2852	4088	PO_JAN907#092941_BARYSLpdf.exe	Explorer.EXE
PID 4300 set thread context of 2852	4300	systray.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 49 IoCs

Processes:

PO_JAN907#092941_BARYSLpdf.exePO_JAN907#092941_BARYSLpdf.exesystray.exe

pid	process
4716	PO_JAN907#092941_BARYSLpdf.exe
4088	PO_JAN907#092941_BARYSLpdf.exe
4088	PO_JAN907#092941_BARYSLpdf.exe
4088	PO_JAN907#092941_BARYSLpdf.exe
4088	PO_JAN907#092941_BARYSLpdf.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe
4300	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

PO_JAN907#092941_BARYSLpdf.exesystray.exe

pid process

4088 PO_JAN907#092941_BARYSLpdf.exe
4088 PO_JAN907#092941_BARYSLpdf.exe
4088 PO_JAN907#092941_BARYSLpdf.exe
4300 systray.exe
4300 systray.exe

pid	process
4088	PO_JAN907#092941_BARYSLpdf.exe
4088	PO_JAN907#092941_BARYSLpdf.exe
4088	PO_JAN907#092941_BARYSLpdf.exe
4300	systray.exe
4300	systray.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO_JAN907#092941_BARYSLpdf.exePO_JAN907#092941_BARYSLpdf.exesystray.exe

description	pid	process
Token: SeDebugPrivilege	4716	PO_JAN907#092941_BARYSLpdf.exe
Token: SeDebugPrivilege	4088	PO_JAN907#092941_BARYSLpdf.exe
Token: SeDebugPrivilege	4300	systray.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2852 Explorer.EXE

pid	process
2852	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

PO_JAN907#092941_BARYSLpdf.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 4716 wrote to memory of 4088	4716	PO_JAN907#092941_BARYSLpdf.exe	PO_JAN907#092941_BARYSLpdf.exe
PID 4716 wrote to memory of 4088	4716	PO_JAN907#092941_BARYSLpdf.exe	PO_JAN907#092941_BARYSLpdf.exe
PID 4716 wrote to memory of 4088	4716	PO_JAN907#092941_BARYSLpdf.exe	PO_JAN907#092941_BARYSLpdf.exe
PID 4716 wrote to memory of 4088	4716	PO_JAN907#092941_BARYSLpdf.exe	PO_JAN907#092941_BARYSLpdf.exe
PID 4716 wrote to memory of 4088	4716	PO_JAN907#092941_BARYSLpdf.exe	PO_JAN907#092941_BARYSLpdf.exe
PID 4716 wrote to memory of 4088	4716	PO_JAN907#092941_BARYSLpdf.exe	PO_JAN907#092941_BARYSLpdf.exe
PID 2852 wrote to memory of 4300	2852	Explorer.EXE	systray.exe
PID 2852 wrote to memory of 4300	2852	Explorer.EXE	systray.exe
PID 2852 wrote to memory of 4300	2852	Explorer.EXE	systray.exe
PID 4300 wrote to memory of 4364	4300	systray.exe	cmd.exe
PID 4300 wrote to memory of 4364	4300	systray.exe	cmd.exe
PID 4300 wrote to memory of 4364	4300	systray.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2852

C:\Users\Admin\AppData\Local\Temp\PO_JAN907#092941_BARYSLpdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO_JAN907#092941_BARYSLpdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4716

C:\Users\Admin\AppData\Local\Temp\PO_JAN907#092941_BARYSLpdf.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4088

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4300

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO_JAN907#092941_BARYSLpdf.exe"
3⤵
PID:4364

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2852-24-0x00000000066F0000-0x0000000006804000-memory.dmp

Filesize
1.1MB

Download
memory/2852-17-0x00000000065A0000-0x00000000066E8000-memory.dmp

Filesize
1.3MB

Download
memory/4088-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4088-16-0x0000000001A60000-0x0000000001D80000-memory.dmp

Filesize
3.1MB

Download
memory/4088-15-0x0000000001750000-0x0000000001764000-memory.dmp

Filesize
80KB

Download
memory/4088-13-0x000000000041EB70-mapping.dmp

Download
memory/4300-19-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/4300-18-0x0000000000000000-mapping.dmp

Download
memory/4300-23-0x00000000047F0000-0x0000000004883000-memory.dmp

Filesize
588KB

Download
memory/4300-22-0x00000000044D0000-0x00000000047F0000-memory.dmp

Filesize
3.1MB

Download
memory/4300-20-0x0000000000660000-0x000000000068E000-memory.dmp

Filesize
184KB

Download
memory/4364-21-0x0000000000000000-mapping.dmp

Download
memory/4716-8-0x0000000005250000-0x0000000005251000-memory.dmp

Filesize
4KB

Download
memory/4716-5-0x0000000005600000-0x0000000005601000-memory.dmp

Filesize
4KB

Download
memory/4716-6-0x00000000051B0000-0x00000000051B1000-memory.dmp

Filesize
4KB

Download
memory/4716-2-0x0000000073530000-0x0000000073C1E000-memory.dmp

Filesize
6.9MB

Download
memory/4716-7-0x00000000053C0000-0x00000000053C1000-memory.dmp

Filesize
4KB

Download
memory/4716-10-0x0000000007640000-0x000000000769F000-memory.dmp

Filesize
380KB

Download
memory/4716-9-0x00000000053A0000-0x00000000053AE000-memory.dmp

Filesize
56KB

Download
memory/4716-11-0x0000000007740000-0x0000000007741000-memory.dmp

Filesize
4KB

Download
memory/4716-3-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads