formbook | 032c66d81ce4a924a55d617dffa477aa00585353bcb9a5737a41130cfbe0d054

General

Target

e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
Size

744KB
MD5

e5499b1ba3f0708bf02685a5d8615f86
SHA1

4f50a2c9acd8b45589fe79423f59735fe8e0e5df
SHA256

032c66d81ce4a924a55d617dffa477aa00585353bcb9a5737a41130cfbe0d054
SHA512

d5e09da1485faab13bd36f2cd265791ca42fe7bfe00ef65b6efc402d3c8100ac49ede313aa803432a0690f55e4b6dd7bacd11f24c3429abdb7a6facf5df0b5bd
SSDEEP

12288:gEYMt4NZddWiui/HFtZ0dg9p+RkArg/KS1OsjQ4W10HK7zaWnPDmy1COQ2b9A87M:mLH9p2gwZFLPiy1lJcmhyXkwoAEpAqH0

Score

10^/10

formbook o4ms rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o4ms

Decoy

fishingboatpub.com

trebor72.com

qualitycleanaustralia.com

amphilykenyx.com

jayte90.net

alveegrace.com

le-fleursoleil.com

volumoffer.com

businessbookwriters.com

alpin-art.com

firsttastetogo.com

catofc.com

ref-290.com

sbo2008.com

fortlauderdaleelevators.com

shanghaiyalian.com

majestybags.com

afcerd.com

myceliated.com

ls0a.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/4116-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe

description	pid	process	target process
PID 5008 set thread context of 4116	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

4496 schtasks.exe

pid	process
4496	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exee5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe

pid	process
5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
4116	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
4116	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 5008 e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe

description	pid	process	target process
PID 5008 wrote to memory of 4496	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	schtasks.exe
PID 5008 wrote to memory of 4496	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	schtasks.exe
PID 5008 wrote to memory of 4496	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	schtasks.exe
PID 5008 wrote to memory of 4948	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
PID 5008 wrote to memory of 4948	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
PID 5008 wrote to memory of 4948	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
PID 5008 wrote to memory of 4116	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
PID 5008 wrote to memory of 4116	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
PID 5008 wrote to memory of 4116	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
PID 5008 wrote to memory of 4116	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
PID 5008 wrote to memory of 4116	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
PID 5008 wrote to memory of 4116	5008	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe	e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5008

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cfUvoZI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp693.tmp"
2⤵
- Creates scheduled task(s)
PID:4496

C:\Users\Admin\AppData\Local\Temp\e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe"
2⤵
PID:4948

C:\Users\Admin\AppData\Local\Temp\e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5499b1ba3f0708bf02685a5d8615f86_JaffaCakes118.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4116

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 --no-appcompat-clear --mojo-platform-channel-handle=4152 --field-trial-handle=2304,i,7548677271533893574,11048237606705436109,262144 --variations-seed-version /prefetch:8
1⤵
PID:1856

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp693.tmp
Filesize
1KB

MD5
896c2fd27c7ed82f6e14fed00a0f3ad4

SHA1
5034e939943aa5b7bc7d63b8cabd515663ea2813

SHA256
15f89a31a3ab3d91dfe526f75d206175cae7f036b3887a90b7ce4f513de757f4

SHA512
ec6b6c987d85857e101ab9a0b70f680132da39c8b9f5c044ada6d3d953438555ee0a63ccf4bc98c50ad74b2354f3820277283dbc8eb1f01a897b52d0e4492843

Download Submit
memory/4116-21-0x00000000011E0000-0x000000000152A000-memory.dmp

Filesize
3.3MB

Download
memory/4116-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5008-8-0x0000000008150000-0x0000000008166000-memory.dmp

Filesize
88KB

Download
memory/5008-10-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/5008-5-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/5008-6-0x00000000052F0000-0x00000000052FA000-memory.dmp

Filesize
40KB

Download
memory/5008-7-0x00000000055C0000-0x0000000005616000-memory.dmp

Filesize
344KB

Download
memory/5008-0-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/5008-9-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/5008-4-0x00000000053D0000-0x0000000005462000-memory.dmp

Filesize
584KB

Download
memory/5008-11-0x0000000008290000-0x0000000008334000-memory.dmp

Filesize
656KB

Download
memory/5008-12-0x000000000AA00000-0x000000000AA34000-memory.dmp

Filesize
208KB

Download
memory/5008-3-0x0000000005980000-0x0000000005F24000-memory.dmp

Filesize
5.6MB

Download
memory/5008-2-0x0000000005330000-0x00000000053CC000-memory.dmp

Filesize
624KB

Download
memory/5008-20-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/5008-1-0x0000000000880000-0x0000000000940000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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