formbook | b5d3713200d78ffa108a19cecc8e5f9e27ca778a72eabc4e038821a1e9d56caa

General

Target

91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe
Size

955KB
MD5

91a972c03758ab433f7e7bbde4158e4d
SHA1

b31e8bec1883e2f6d69f0ee8cbfed15454e87c8c
SHA256

b5d3713200d78ffa108a19cecc8e5f9e27ca778a72eabc4e038821a1e9d56caa
SHA512

ccbbfe77338b609f09e5a76f5881e003d4711f8c0e15a9f21fa1b978518bb7a54453be9fa849f3d7d3318bb980c04e8375120965add9fb734b2cc458c438ffca
SSDEEP

12288:1umGKSUdXLIXyKQEy3NbeEOIoWhtfvKtEKu0I:omGKndbIrQEy3NbetsVvnKZI

Score

10^/10

formbook gbr discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gbr

Decoy

serabet.com

galanggroup.com

zweitmeinung-urologie.com

damsalon.com

binliwine.com

lifeladderindia.com

flyingwranchmanagement.com

tripsandturns.com

3headdesign.com

aluminumfacade.com

toprestau.com

facetreatspa.com

periodrescuekit.com

dbaojian.com

altinotokurtarma.com

gkpelle.com

loguslife.com

treatse.com

lghglzcnkx.net

jawharabh.com

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/5040-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 5040	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	101

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	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe
2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe
2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe
2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe
5040	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe
5040	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2564	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	99
PID 2124 wrote to memory of 2564	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	99
PID 2124 wrote to memory of 2564	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	99
PID 2124 wrote to memory of 2952	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	100
PID 2124 wrote to memory of 2952	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	100
PID 2124 wrote to memory of 2952	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	100
PID 2124 wrote to memory of 5040	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	101
PID 2124 wrote to memory of 5040	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	101
PID 2124 wrote to memory of 5040	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	101
PID 2124 wrote to memory of 5040	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	101
PID 2124 wrote to memory of 5040	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	101
PID 2124 wrote to memory of 5040	2124	91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe	101

C:\Users\Admin\AppData\Local\Temp\91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe"
  2⤵
  PID:2564
- C:\Users\Admin\AppData\Local\Temp\91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe"
  2⤵
  PID:2952
- C:\Users\Admin\AppData\Local\Temp\91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\91a972c03758ab433f7e7bbde4158e4d_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5040

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/2124-6-0x0000000075100000-0x00000000758B0000-memory.dmp

Filesize
7.7MB

Download
memory/2124-8-0x0000000005400000-0x000000000540A000-memory.dmp

Filesize
40KB

Download
memory/2124-2-0x0000000005410000-0x00000000054AC000-memory.dmp

Filesize
624KB

Download
memory/2124-3-0x0000000005A60000-0x0000000006004000-memory.dmp

Filesize
5.6MB

Download
memory/2124-4-0x00000000054B0000-0x0000000005542000-memory.dmp

Filesize
584KB

Download
memory/2124-5-0x00000000053A0000-0x00000000053AA000-memory.dmp

Filesize
40KB

Download
memory/2124-1-0x00000000008F0000-0x00000000009E6000-memory.dmp

Filesize
984KB

Download
memory/2124-7-0x00000000056C0000-0x0000000005716000-memory.dmp

Filesize
344KB

Download
memory/2124-0-0x000000007510E000-0x000000007510F000-memory.dmp

Filesize
4KB

Download
memory/2124-9-0x000000007510E000-0x000000007510F000-memory.dmp

Filesize
4KB

Download
memory/2124-10-0x0000000075100000-0x00000000758B0000-memory.dmp

Filesize
7.7MB

Download
memory/2124-11-0x00000000012E0000-0x0000000001342000-memory.dmp

Filesize
392KB

Download
memory/2124-14-0x0000000075100000-0x00000000758B0000-memory.dmp

Filesize
7.7MB

Download
memory/5040-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5040-15-0x00000000015D0000-0x000000000191A000-memory.dmp

Filesize
3.3MB

Download

Analysis

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