formbook | 6d4e4528a1cb3af656e84e74dab6731c2d80f2e57f95ca865ba3a0628207a673

General

Target

f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe
Size

964KB
MD5

f817bc5a13f0f7ffe8652f86dc0ce55f
SHA1

0f2d30796f411da74a3af083966bad88f4a3a326
SHA256

6d4e4528a1cb3af656e84e74dab6731c2d80f2e57f95ca865ba3a0628207a673
SHA512

5d09e4adcdf7a2a73972433b89021e702e08882ada4a536fbdb92c8fa492193822fcd8655003a2dfdf38840ebdba065b9f12cb6a3df5deab5ca2dc6c9fa533c2
SSDEEP

12288:q+6L7SIHNcIPaYJPaSiMae7TT4JwH/CW4yaWJSt:qZXbtc8aYJySiiPkSfC+f

Score

10^/10

formbook kbc discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kbc

Decoy

ross76.com

modabyboutique.com

zenabode.store

peakorgmush.net

superchargelab.com

mumaniu.net

18costleyst.com

moreroomy.com

creativecardsnappanee.com

jameshamiltonphoto.com

amimania.com

ahaihealing.com

thecopy.coach

caishen2587.com

bigdickquick.com

suojincn.com

2020rl.com

jointbah.com

teddingtonstudios.com

javre.club

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4972-17-0x0000000000400000-0x000000000042E000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3260 set thread context of 4972	3260	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe	95

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3260	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe
4972	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe
4972	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3260	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 3024	3260	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe	93
PID 3260 wrote to memory of 3024	3260	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe	93
PID 3260 wrote to memory of 3024	3260	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe	93
PID 3260 wrote to memory of 4972	3260	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe	95
PID 3260 wrote to memory of 4972	3260	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe	95
PID 3260 wrote to memory of 4972	3260	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe	95
PID 3260 wrote to memory of 4972	3260	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe	95
PID 3260 wrote to memory of 4972	3260	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe	95
PID 3260 wrote to memory of 4972	3260	f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe	95

C:\Users\Admin\AppData\Local\Temp\f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3260
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CcbnPmJmAZnQJq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF90.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3024
- C:\Users\Admin\AppData\Local\Temp\f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f817bc5a13f0f7ffe8652f86dc0ce55f_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCF90.tmp

Filesize
1KB

MD5
3b0de825be75211705293ce9fe380732

SHA1
f477ba4b4be99cba2747472213419530d505d8be

SHA256
f906cd8925fcae6b6f5124339667b04c0d87b4a1a6cef8877eae54dff352f14d

SHA512
6a9c1c3e1cfb63bc4eabb0e9b7cd17086d26ba171ac7ae1c4c247ec013520a14a3d1923c77046f638bcb40fe4270b8ab0bee88bf0c05696b035c1740cf9a0682

Download Submit
memory/3260-4-0x0000000005540000-0x00000000055D2000-memory.dmp

Filesize
584KB

Download
memory/3260-9-0x000000007500E000-0x000000007500F000-memory.dmp

Filesize
4KB

Download
memory/3260-3-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/3260-0-0x000000007500E000-0x000000007500F000-memory.dmp

Filesize
4KB

Download
memory/3260-5-0x00000000054C0000-0x00000000054CA000-memory.dmp

Filesize
40KB

Download
memory/3260-6-0x0000000005720000-0x0000000005776000-memory.dmp

Filesize
344KB

Download
memory/3260-2-0x0000000005400000-0x000000000549C000-memory.dmp

Filesize
624KB

Download
memory/3260-8-0x00000000057F0000-0x00000000057FA000-memory.dmp

Filesize
40KB

Download
memory/3260-7-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/3260-10-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/3260-11-0x00000000059A0000-0x0000000005A02000-memory.dmp

Filesize
392KB

Download
memory/3260-1-0x0000000000AA0000-0x0000000000B98000-memory.dmp

Filesize
992KB

Download
memory/3260-19-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/4972-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4972-20-0x00000000010A0000-0x00000000013EA000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads