formbook | a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5

Analysis

max time kernel
134s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2024 01:50

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General

Target

a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe
Size

584KB
MD5

e97620420d37596704d9f4fa70303453
SHA1

533b98b289ba07c446f8350950fdbee2ab39dcf2
SHA256

a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5
SHA512

a5ee774c492216568a9c16768cf83188cc261e1f4888cbe4aff9717bc13bccade2594ffe04bac35367213e8b3288e2671841320d529aa5f5a168e1756c6c7ed3
SSDEEP

12288:wanv6lRPM97SMRgqbFwWAEY/Z1NJQtUa2e0szSoMXGjxbFtACUYsOl7n9W1ei:5IRombqbFwWrYn7Q32e0GSUptACOOBn9

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 1 IoCs
rat

Processes:

resource yara_rule

behavioral2/memory/1904-10-0x0000000000400000-0x000000000042F000-memory.dmp formbook

resource	yara_rule
behavioral2/memory/1904-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe

description	pid	process	target process
PID 396 set thread context of 1904	396	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe

pid	process
1904	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe
1904	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe
1904	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe

description	pid	process	target process
PID 396 wrote to memory of 1904	396	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe
PID 396 wrote to memory of 1904	396	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe
PID 396 wrote to memory of 1904	396	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe
PID 396 wrote to memory of 1904	396	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe
PID 396 wrote to memory of 1904	396	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe
PID 396 wrote to memory of 1904	396	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe	a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe

C:\Users\Admin\AppData\Local\Temp\a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe
"C:\Users\Admin\AppData\Local\Temp\a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:396

C:\Users\Admin\AppData\Local\Temp\a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe
"C:\Users\Admin\AppData\Local\Temp\a5a3067e6a3c4e957152655df5c68ce4db77f8308feff43c53e7535031033be5.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1904

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4344,i,11049150160560877369,2866371920339304689,262144 --variations-seed-version --mojo-platform-channel-handle=3940 /prefetch:8
1⤵
PID:4872

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/396-6-0x00000000066B0000-0x00000000066C0000-memory.dmp

Filesize
64KB

Download
memory/396-1-0x00000000003E0000-0x0000000000476000-memory.dmp

Filesize
600KB

Download
memory/396-2-0x0000000005240000-0x00000000057E4000-memory.dmp

Filesize
5.6MB

Download
memory/396-3-0x0000000004D30000-0x0000000004DC2000-memory.dmp

Filesize
584KB

Download
memory/396-4-0x0000000004EC0000-0x0000000004ECA000-memory.dmp

Filesize
40KB

Download
memory/396-5-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/396-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/396-7-0x0000000005F00000-0x0000000005F0C000-memory.dmp

Filesize
48KB

Download
memory/396-8-0x0000000005F30000-0x0000000005FA6000-memory.dmp

Filesize
472KB

Download
memory/396-9-0x0000000008A30000-0x0000000008ACC000-memory.dmp

Filesize
624KB

Download
memory/396-12-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1904-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1904-13-0x00000000014A0000-0x00000000017EA000-memory.dmp

Filesize
3.3MB

Download