formbook | c4b1789371d832969f812bd0a577e380cdac00db6775d7fc251adf8d92c15d74

General

Target

15a4b8c6607b8e67b0bba2d1b5dbd43e.exe
Size

508KB
MD5

15a4b8c6607b8e67b0bba2d1b5dbd43e
SHA1

c77c0417b07c25c0e567f0d0362a8a80fc7c40e9
SHA256

c4b1789371d832969f812bd0a577e380cdac00db6775d7fc251adf8d92c15d74
SHA512

b168504f30e0714a8d2ec0eb79a9d49b5c1f84399ac0ee091fe9b4983e9ed77b9fd70398a6c2644b3295f777d3d9b84422f76897e722df579a1ef1dd66d8704c

Score

10^/10

formbook mxwf rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mxwf

C2

http://www.zahnimplantatangebotede.com/mxwf/

Decoy

orders-cialis.info

auctionorbuy.com

meanmugsamore.com

yachtcrewmark.com

sacredkashilifestudio.net

themintyard.com

bragafoods.com

sierp.com

hausofdeme.com

anthonyjames915.com

bajardepesoencasa.com

marciaroyal.com

earringlifter.com

dsdjfhd9ddksa1as.info

bmzproekt.com

employmentbc.com

ptsdtreatment.space

vrchance.com

cnrongding.com

welovelit.com

Signatures

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

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3936-124-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3936-125-0x000000000041EBA0-mapping.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

15a4b8c6607b8e67b0bba2d1b5dbd43e.exe

description pid process target process

PID 2756 set thread context of 3936 2756 15a4b8c6607b8e67b0bba2d1b5dbd43e.exe 15a4b8c6607b8e67b0bba2d1b5dbd43e.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

15a4b8c6607b8e67b0bba2d1b5dbd43e.exe

pid process

3936 15a4b8c6607b8e67b0bba2d1b5dbd43e.exe
3936 15a4b8c6607b8e67b0bba2d1b5dbd43e.exe

description	pid	process	target process
PID 2756 set thread context of 3936	2756	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe

pid	process
3936	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe
3936	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

15a4b8c6607b8e67b0bba2d1b5dbd43e.exe

description	pid	process	target process
PID 2756 wrote to memory of 3936	2756	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe
PID 2756 wrote to memory of 3936	2756	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe
PID 2756 wrote to memory of 3936	2756	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe
PID 2756 wrote to memory of 3936	2756	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe
PID 2756 wrote to memory of 3936	2756	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe
PID 2756 wrote to memory of 3936	2756	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe	15a4b8c6607b8e67b0bba2d1b5dbd43e.exe

C:\Users\Admin\AppData\Local\Temp\15a4b8c6607b8e67b0bba2d1b5dbd43e.exe
"C:\Users\Admin\AppData\Local\Temp\15a4b8c6607b8e67b0bba2d1b5dbd43e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2756

C:\Users\Admin\AppData\Local\Temp\15a4b8c6607b8e67b0bba2d1b5dbd43e.exe
"C:\Users\Admin\AppData\Local\Temp\15a4b8c6607b8e67b0bba2d1b5dbd43e.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3936

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2756-115-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/2756-117-0x00000000056A0000-0x00000000056A1000-memory.dmp

Filesize
4KB

Download
memory/2756-118-0x0000000005040000-0x0000000005041000-memory.dmp

Filesize
4KB

Download
memory/2756-119-0x00000000051A0000-0x000000000569E000-memory.dmp

Filesize
5.0MB

Download
memory/2756-120-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

Filesize
4KB

Download
memory/2756-121-0x0000000005260000-0x0000000005266000-memory.dmp

Filesize
24KB

Download
memory/2756-122-0x0000000005DA0000-0x0000000005DA1000-memory.dmp

Filesize
4KB

Download
memory/2756-123-0x0000000005640000-0x000000000568F000-memory.dmp

Filesize
316KB

Download
memory/3936-124-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3936-125-0x000000000041EBA0-mapping.dmp

Download
memory/3936-126-0x0000000001330000-0x0000000001650000-memory.dmp

Filesize
3.1MB

Download

Analysis

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