formbook | 1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6

General

Target

JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe
Size

910KB
MD5

b78da72b0e4575c3e418368d90047ede
SHA1

ebdda1744d5fc972a3694461f2a95e34a0fcbfe4
SHA256

1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6
SHA512

0c0a388e923682fac8f06173ae5a7b4c2c40ac05a8ae5833386cf58a86c8596aa5d924731a19990068c60866f0db30a9e43ea03dcbba3a2301affd11e04e412b
SSDEEP

12288:TJnpqt+UJF8Y4yDYiekcykYp/z1yGbhxWRwkzUNEnaZGnQ767INeLc:do4yDYiJcykYdKSN2oGnKNeLc

Score

10^/10

formbook nyk discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

nyk

Decoy

mrlens.net

timeindolls.com

mov.solutions

byonf.com

truenotice.com

thetennesseebarn.com

emiss.online

smallfryspharmacy.com

100percentbikes.com

nanshanbishengke.com

hellohomeowner.com

investorvisa4uk.com

majesticpoodlehomes.com

zaoresorthouse.com

projewelrys.com

adherellc.xyz

usamamembers.com

buygreatsales.com

seniordevops.world

bungalowfollowbestowed.com

Signatures

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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/2736-8-0x0000000005ED0000-0x0000000005EDA000-memory.dmp	CustAttr

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/1504-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 1504	2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe	92

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe
2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe
2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe
2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe
2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe
1504	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe
1504	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 3916	2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe	91
PID 2736 wrote to memory of 3916	2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe	91
PID 2736 wrote to memory of 3916	2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe	91
PID 2736 wrote to memory of 1504	2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe	92
PID 2736 wrote to memory of 1504	2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe	92
PID 2736 wrote to memory of 1504	2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe	92
PID 2736 wrote to memory of 1504	2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe	92
PID 2736 wrote to memory of 1504	2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe	92
PID 2736 wrote to memory of 1504	2736	JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe"
  2⤵
  PID:3916
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b9347ac7827deee5e937a9463fe3f03d8326740ca9d1661bf09c58905c264a6.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1504-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1504-16-0x0000000001900000-0x0000000001C4A000-memory.dmp

Filesize
3.3MB

Download
memory/2736-8-0x0000000005ED0000-0x0000000005EDA000-memory.dmp

Filesize
40KB

Download
memory/2736-9-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2736-4-0x00000000053E0000-0x000000000547C000-memory.dmp

Filesize
624KB

Download
memory/2736-5-0x0000000005380000-0x000000000538A000-memory.dmp

Filesize
40KB

Download
memory/2736-6-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-7-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2736-3-0x00000000052A0000-0x0000000005332000-memory.dmp

Filesize
584KB

Download
memory/2736-10-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-11-0x0000000006210000-0x0000000006298000-memory.dmp

Filesize
544KB

Download
memory/2736-12-0x0000000008760000-0x00000000087A6000-memory.dmp

Filesize
280KB

Download
memory/2736-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

Filesize
5.6MB

Download
memory/2736-15-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-1-0x0000000000920000-0x0000000000A08000-memory.dmp

Filesize
928KB

Download

Analysis

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