formbook | 780c4d3a33c89cd911190c17d7ba3ad69e5ddc66396762e4bef8ff67bd45b7b5

General

Target

lhDCR5RvXwLbWQu.exe
Size

903KB
MD5

66bbfd82c0b1bdd60dca1d71945b42c2
SHA1

467d4125a380f1672983c51f1a4706f039b890af
SHA256

780c4d3a33c89cd911190c17d7ba3ad69e5ddc66396762e4bef8ff67bd45b7b5
SHA512

ca85a5e898139ad5e437a66c99baee9c8408773a214d37df02bad4388f8d5ab30cb240985b8869c1e36d971c9615da236e90de20d3a3e091b13caded01fa2bbf
SSDEEP

12288:4SiJkBoxXIFykQzrAVZK3B6xNYUCSPGnsV9nJyJ+XwrwILkz4ZTyrhbjjq5jCkj4:37wWg4NtCSPGGkUNW2rJjq5uM4

Score

10^/10

formbook dy13 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dy13

Decoy

manga-house.com

kjsdhklssk51.xyz

b0ba138.xyz

bt365033.com

ccbsinc.net

mrwine.xyz

nrxkrd527o.xyz

hoshi.social

1912ai.com

serco2020.com

byfchfyr.xyz

imuschestvostorgov.online

austinheafey.com

mrdfa.club

883106.photos

profitablefxmarkets.com

taini00.net

brye.top

ginsm.com

sportglid.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/2708-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2708-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2764-27-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2808 cmd.exe

pid	process
2808	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

lhDCR5RvXwLbWQu.exelhDCR5RvXwLbWQu.exerundll32.exe

description	pid	process	target process
PID 1748 set thread context of 2708	1748	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 2708 set thread context of 1200	2708	lhDCR5RvXwLbWQu.exe	Explorer.EXE
PID 2764 set thread context of 1200	2764	rundll32.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

lhDCR5RvXwLbWQu.exerundll32.exe

pid	process
2708	lhDCR5RvXwLbWQu.exe
2708	lhDCR5RvXwLbWQu.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe
2764	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

lhDCR5RvXwLbWQu.exerundll32.exe

pid process

2708 lhDCR5RvXwLbWQu.exe
2708 lhDCR5RvXwLbWQu.exe
2708 lhDCR5RvXwLbWQu.exe
2764 rundll32.exe
2764 rundll32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

lhDCR5RvXwLbWQu.exerundll32.exe

description pid process

Token: SeDebugPrivilege 2708 lhDCR5RvXwLbWQu.exe
Token: SeDebugPrivilege 2764 rundll32.exe

description	pid	process
Token: SeDebugPrivilege	2708	lhDCR5RvXwLbWQu.exe
Token: SeDebugPrivilege	2764	rundll32.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

lhDCR5RvXwLbWQu.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 1748 wrote to memory of 2708	1748	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 1748 wrote to memory of 2708	1748	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 1748 wrote to memory of 2708	1748	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 1748 wrote to memory of 2708	1748	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 1748 wrote to memory of 2708	1748	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 1748 wrote to memory of 2708	1748	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 1748 wrote to memory of 2708	1748	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 1200 wrote to memory of 2764	1200	Explorer.EXE	rundll32.exe
PID 1200 wrote to memory of 2764	1200	Explorer.EXE	rundll32.exe
PID 1200 wrote to memory of 2764	1200	Explorer.EXE	rundll32.exe
PID 1200 wrote to memory of 2764	1200	Explorer.EXE	rundll32.exe
PID 1200 wrote to memory of 2764	1200	Explorer.EXE	rundll32.exe
PID 1200 wrote to memory of 2764	1200	Explorer.EXE	rundll32.exe
PID 1200 wrote to memory of 2764	1200	Explorer.EXE	rundll32.exe
PID 2764 wrote to memory of 2808	2764	rundll32.exe	cmd.exe
PID 2764 wrote to memory of 2808	2764	rundll32.exe	cmd.exe
PID 2764 wrote to memory of 2808	2764	rundll32.exe	cmd.exe
PID 2764 wrote to memory of 2808	2764	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\AppData\Local\Temp\lhDCR5RvXwLbWQu.exe
"C:\Users\Admin\AppData\Local\Temp\lhDCR5RvXwLbWQu.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1748

C:\Users\Admin\AppData\Local\Temp\lhDCR5RvXwLbWQu.exe
"C:\Users\Admin\AppData\Local\Temp\lhDCR5RvXwLbWQu.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2708

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2764

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\lhDCR5RvXwLbWQu.exe"
3⤵
- Deletes itself
PID:2808

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1200-30-0x0000000004F90000-0x00000000050E8000-memory.dmp

Filesize
1.3MB

Download
memory/1200-22-0x0000000004F90000-0x00000000050E8000-memory.dmp

Filesize
1.3MB

Download
memory/1200-21-0x0000000003B00000-0x0000000003C00000-memory.dmp

Filesize
1024KB

Download
memory/1748-16-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/1748-1-0x00000000009F0000-0x0000000000AD8000-memory.dmp

Filesize
928KB

Download
memory/1748-2-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/1748-3-0x00000000004E0000-0x00000000004F2000-memory.dmp

Filesize
72KB

Download
memory/1748-4-0x0000000000540000-0x0000000000548000-memory.dmp

Filesize
32KB

Download
memory/1748-5-0x0000000000550000-0x000000000055C000-memory.dmp

Filesize
48KB

Download
memory/1748-6-0x0000000004FC0000-0x0000000005044000-memory.dmp

Filesize
528KB

Download
memory/1748-7-0x0000000005690000-0x0000000005706000-memory.dmp

Filesize
472KB

Download
memory/1748-0-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/2708-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-17-0x0000000000C70000-0x0000000000F73000-memory.dmp

Filesize
3.0MB

Download
memory/2708-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-20-0x0000000000140000-0x0000000000155000-memory.dmp

Filesize
84KB

Download
memory/2708-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2764-24-0x00000000000E0000-0x00000000000EE000-memory.dmp

Filesize
56KB

Download
memory/2764-23-0x00000000000E0000-0x00000000000EE000-memory.dmp

Filesize
56KB

Download
memory/2764-26-0x00000000000E0000-0x00000000000EE000-memory.dmp

Filesize
56KB

Download
memory/2764-27-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads