formbook | 6c2ccca3064d2d2f17e9cd5222df4efbd2b21dc5bd7acf5b0fe57edeccd037d3

General

Target

06492c1cc7f4b4014d8d870cbef4cc7e.exe
Size

855KB
MD5

06492c1cc7f4b4014d8d870cbef4cc7e
SHA1

72bd56591a036f1543d7a3dbb874bd756155d79a
SHA256

6c2ccca3064d2d2f17e9cd5222df4efbd2b21dc5bd7acf5b0fe57edeccd037d3
SHA512

5f4fe2bf826b6cb1f4b57de43ca5f907c3c537a6a5e648eb7867040a5c6047261ef12c2ef81c6a6faf91e8e6c08ce5f77e9c5080f9380df4a4ef213a18720f14
SSDEEP

12288:6jjm/7QG8h3WX9GPlqmTG/HVuYSk2/YEZA3zzu0YzYzLJqTX:Ek7QTmYy/EYSZRZADz7pA

Score

10^/10

formbook xloader pgnt loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

pgnt

Decoy

0WG18LbM4lR9iqMRa4nlBzTb

jcfGYzPgZTqFZVO9FV2yIw==

laIfrdSC8/4CNg==

Q73ilev5GIWuOrAAFV2yIw==

Q2u/pMw7pv4sPA==

TbqvIUHwlQscPo0HFV2yIw==

8PNWfGPyE8n0IQ==

WtgROxXzvY2L

PryaRBNjm4eP

Y9Hdi06Cry1um9Sj68YAu1o=

3Gulyp7CMQtR78jvLkk=

JJ3GasTVTCRQT6Tfz6S6GlI=

RnS42bhb9tI0R6UpD6wOxriNxw==

he1mi2sOGfzTRGHnuA==

eaYjCtjxVjdU5XLRtBMBLKk9quA=

k9rTeEqYzzw8WaTfz6S6GlI=

5luVQwe2vJWKEAiMdF4=

MGW14L9OVk5Y5TaR6w/DqdhYxXVY

mAsYz6k6sQkDC0/DoHj9t1RPWLSgFQ==

y5klhuMbE8n0IQ==

Extracted

Family

xloader

Version

3.�E

Campaign

pgnt

Decoy

0WG18LbM4lR9iqMRa4nlBzTb

jcfGYzPgZTqFZVO9FV2yIw==

laIfrdSC8/4CNg==

Q73ilev5GIWuOrAAFV2yIw==

Q2u/pMw7pv4sPA==

TbqvIUHwlQscPo0HFV2yIw==

8PNWfGPyE8n0IQ==

WtgROxXzvY2L

PryaRBNjm4eP

Y9Hdi06Cry1um9Sj68YAu1o=

3Gulyp7CMQtR78jvLkk=

JJ3GasTVTCRQT6Tfz6S6GlI=

RnS42bhb9tI0R6UpD6wOxriNxw==

he1mi2sOGfzTRGHnuA==

eaYjCtjxVjdU5XLRtBMBLKk9quA=

k9rTeEqYzzw8WaTfz6S6GlI=

5luVQwe2vJWKEAiMdF4=

MGW14L9OVk5Y5TaR6w/DqdhYxXVY

mAsYz6k6sQkDC0/DoHj9t1RPWLSgFQ==

y5klhuMbE8n0IQ==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
Blocklisted process makes network request 1 IoCs

Processes:

cmstp.exe

flow pid process

96 4416 cmstp.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

flow	pid	process
96	4416	cmstp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

06492c1cc7f4b4014d8d870cbef4cc7e.exeRegsvcs.execmstp.exe

description	pid	process	target process
PID 4624 set thread context of 4348	4624	06492c1cc7f4b4014d8d870cbef4cc7e.exe	Regsvcs.exe
PID 4348 set thread context of 2732	4348	Regsvcs.exe	Explorer.EXE
PID 4416 set thread context of 2732	4416	cmstp.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmstp.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmstp.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

Regsvcs.execmstp.exe

pid	process
4348	Regsvcs.exe
4348	Regsvcs.exe
4348	Regsvcs.exe
4348	Regsvcs.exe
4348	Regsvcs.exe
4348	Regsvcs.exe
4348	Regsvcs.exe
4348	Regsvcs.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe
4416	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2732 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Regsvcs.execmstp.exe

pid process

4348 Regsvcs.exe
4348 Regsvcs.exe
4348 Regsvcs.exe
4416 cmstp.exe
4416 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Regsvcs.execmstp.exe

description pid process

Token: SeDebugPrivilege 4348 Regsvcs.exe
Token: SeDebugPrivilege 4416 cmstp.exe

pid	process
2732	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4348	Regsvcs.exe
Token: SeDebugPrivilege	4416	cmstp.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

06492c1cc7f4b4014d8d870cbef4cc7e.exeExplorer.EXE

description	pid	process	target process
PID 4624 wrote to memory of 4348	4624	06492c1cc7f4b4014d8d870cbef4cc7e.exe	Regsvcs.exe
PID 4624 wrote to memory of 4348	4624	06492c1cc7f4b4014d8d870cbef4cc7e.exe	Regsvcs.exe
PID 4624 wrote to memory of 4348	4624	06492c1cc7f4b4014d8d870cbef4cc7e.exe	Regsvcs.exe
PID 4624 wrote to memory of 4348	4624	06492c1cc7f4b4014d8d870cbef4cc7e.exe	Regsvcs.exe
PID 4624 wrote to memory of 4348	4624	06492c1cc7f4b4014d8d870cbef4cc7e.exe	Regsvcs.exe
PID 4624 wrote to memory of 4348	4624	06492c1cc7f4b4014d8d870cbef4cc7e.exe	Regsvcs.exe
PID 2732 wrote to memory of 4416	2732	Explorer.EXE	cmstp.exe
PID 2732 wrote to memory of 4416	2732	Explorer.EXE	cmstp.exe
PID 2732 wrote to memory of 4416	2732	Explorer.EXE	cmstp.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Users\Admin\AppData\Local\Temp\06492c1cc7f4b4014d8d870cbef4cc7e.exe
  "C:\Users\Admin\AppData\Local\Temp\06492c1cc7f4b4014d8d870cbef4cc7e.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4624
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4348
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:4416
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2732-144-0x0000000008520000-0x0000000008660000-memory.dmp

Filesize
1.2MB

Download
memory/2732-154-0x0000000008660000-0x00000000087AC000-memory.dmp

Filesize
1.3MB

Download
memory/2732-152-0x0000000008660000-0x00000000087AC000-memory.dmp

Filesize
1.3MB

Download
memory/4348-138-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4348-146-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/4348-133-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4348-139-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/4348-141-0x00000000016E0000-0x0000000001A2A000-memory.dmp

Filesize
3.3MB

Download
memory/4348-142-0x0000000000422000-0x0000000000424000-memory.dmp

Filesize
8KB

Download
memory/4348-143-0x0000000001200000-0x0000000001210000-memory.dmp

Filesize
64KB

Download
memory/4348-135-0x00000000004012B0-mapping.dmp

Download
memory/4348-145-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4416-147-0x0000000000000000-mapping.dmp

Download
memory/4416-149-0x00000000010B0000-0x00000000010DD000-memory.dmp

Filesize
180KB

Download
memory/4416-148-0x0000000000110000-0x0000000000126000-memory.dmp

Filesize
88KB

Download
memory/4416-150-0x00000000030F0000-0x000000000343A000-memory.dmp

Filesize
3.3MB

Download
memory/4416-151-0x0000000002E50000-0x0000000002EDF000-memory.dmp

Filesize
572KB

Download
memory/4416-153-0x00000000010B0000-0x00000000010DD000-memory.dmp

Filesize
180KB

Download
memory/4624-137-0x00007FFF2C550000-0x00007FFF2D011000-memory.dmp

Filesize
10.8MB

Download
memory/4624-132-0x000001A112000000-0x000001A1120DC000-memory.dmp

Filesize
880KB

Download
memory/4624-134-0x00007FFF2C550000-0x00007FFF2D011000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads