formbook | 4b4faaccc4842d408c3caad47e364f69dad51765ab242e4dc8c97de0cd190ddc

General

Target

Official Purchase Order 121322.exe
Size

1019KB
MD5

9e40b98924b94ea375faf0bccf2609ee
SHA1

bbb2330799adfffd534505aac9ac112e16f7fc8e
SHA256

4b4faaccc4842d408c3caad47e364f69dad51765ab242e4dc8c97de0cd190ddc
SHA512

c2a3f6653962664b1d830edee1c84ac9a62e1d908b647c6f88f1b21837c3316177c445ea2af17c0326e79d9bf3b5d4b266fbbb3a87b2eb12ffa1cc972a23b9db
SSDEEP

24576:wGTgVIYba1JXh+Q/Fkq1SW0vQ2lBS4G3r5/oOi3bJhxVsWy:wGT6Iz3RJtkqh0vQ2

Score

10^/10

formbook snky rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

snky

Decoy

AiMFvkl6+A4HEgZ99q5x4naN7lGmvJo=

tvj/KUTKeKgxszIemQ==

DTrTokBrjB5leF4=

tPeTOuIjJPtH

taxtMdIygEdpskxzOQ2ZjoAEeA==

CxLuaKAFRrJyuIqQUPbhZw==

Tn4fapT5kPmk1H0gpXQ=

h5p8hDqGSiRzdSbV

i3lg8tbRNRU6jC9pQSOxzHYZgpbnOKBx

EwbfBo6m+UXU2qaVUPbhZw==

WpeenFSMquJ3xXD1/b43

niV5qTFu3tfmcgrI

fqyyyElbdxWswJ7A

Lh7o92ZOr4ghbwvK

Y2RYMDue4x+KszIemQ==

lN3Y3z5AS85eah1MDvfFQQA=

uq+Oqh8MNRxHOOkqA9lqYEZZhJU=

FEtGDeGnnRoSQEM=

TkMlruotvsmtpFwg6shr03LjwMWGow==

7PGx8hNMep8EMj5Q39dsq16IbbaIrA==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer 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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	Official Purchase Order 121322.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

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4928 set thread context of 4364	4928	Official Purchase Order 121322.exe	89
PID 4364 set thread context of 704	4364	Official Purchase Order 121322.exe	37
PID 1212 set thread context of 704	1212	wscript.exe	37

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

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

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
4364	Official Purchase Order 121322.exe
4364	Official Purchase Order 121322.exe
4364	Official Purchase Order 121322.exe
4364	Official Purchase Order 121322.exe
4364	Official Purchase Order 121322.exe
4364	Official Purchase Order 121322.exe
4364	Official Purchase Order 121322.exe
4364	Official Purchase Order 121322.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
704	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4364	Official Purchase Order 121322.exe
4364	Official Purchase Order 121322.exe
4364	Official Purchase Order 121322.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe
1212	wscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4364	Official Purchase Order 121322.exe
Token: SeDebugPrivilege	1212	wscript.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 4364	4928	Official Purchase Order 121322.exe	89
PID 4928 wrote to memory of 4364	4928	Official Purchase Order 121322.exe	89
PID 4928 wrote to memory of 4364	4928	Official Purchase Order 121322.exe	89
PID 4928 wrote to memory of 4364	4928	Official Purchase Order 121322.exe	89
PID 4928 wrote to memory of 4364	4928	Official Purchase Order 121322.exe	89
PID 4928 wrote to memory of 4364	4928	Official Purchase Order 121322.exe	89
PID 704 wrote to memory of 1212	704	Explorer.EXE	90
PID 704 wrote to memory of 1212	704	Explorer.EXE	90
PID 704 wrote to memory of 1212	704	Explorer.EXE	90
PID 1212 wrote to memory of 2852	1212	wscript.exe	91
PID 1212 wrote to memory of 2852	1212	wscript.exe	91
PID 1212 wrote to memory of 2852	1212	wscript.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:704
- C:\Users\Admin\AppData\Local\Temp\Official Purchase Order 121322.exe
  "C:\Users\Admin\AppData\Local\Temp\Official Purchase Order 121322.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4928
- - C:\Users\Admin\AppData\Local\Temp\Official Purchase Order 121322.exe
    "C:\Users\Admin\AppData\Local\Temp\Official Purchase Order 121322.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4364
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1212
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2852

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/704-146-0x0000000008350000-0x00000000084C0000-memory.dmp

Filesize
1.4MB

Download
memory/704-156-0x0000000007860000-0x0000000007990000-memory.dmp

Filesize
1.2MB

Download
memory/704-154-0x0000000007860000-0x0000000007990000-memory.dmp

Filesize
1.2MB

Download
memory/1212-155-0x0000000000770000-0x000000000079D000-memory.dmp

Filesize
180KB

Download
memory/1212-153-0x00000000027A0000-0x000000000282F000-memory.dmp

Filesize
572KB

Download
memory/1212-152-0x0000000002860000-0x0000000002BAA000-memory.dmp

Filesize
3.3MB

Download
memory/1212-151-0x0000000000770000-0x000000000079D000-memory.dmp

Filesize
180KB

Download
memory/1212-150-0x0000000000D00000-0x0000000000D27000-memory.dmp

Filesize
156KB

Download
memory/4364-149-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4364-145-0x0000000001660000-0x0000000001670000-memory.dmp

Filesize
64KB

Download
memory/4364-143-0x0000000001AD0000-0x0000000001E1A000-memory.dmp

Filesize
3.3MB

Download
memory/4364-141-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/4364-148-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/4364-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4364-144-0x0000000000422000-0x0000000000424000-memory.dmp

Filesize
8KB

Download
memory/4364-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4928-132-0x0000000000650000-0x0000000000756000-memory.dmp

Filesize
1.0MB

Download
memory/4928-136-0x0000000008EB0000-0x0000000008F4C000-memory.dmp

Filesize
624KB

Download
memory/4928-135-0x00000000050F0000-0x00000000050FA000-memory.dmp

Filesize
40KB

Download
memory/4928-134-0x0000000005100000-0x0000000005192000-memory.dmp

Filesize
584KB

Download
memory/4928-133-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download

Analysis

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