formbook | 24e086c1829385f3822044c7cdb533ba2f038cba1e088314b8f327f1e4616a75

General

Target

Sales Receipt.exe
Size

1.0MB
MD5

2a22e7d53faded181496ea4f181ffee0
SHA1

e185bfc39c1ac2633edbdb7ae2f9b3b9816aa11f
SHA256

24e086c1829385f3822044c7cdb533ba2f038cba1e088314b8f327f1e4616a75
SHA512

020306856b39f2b404fe0c55146f7ef536d03d820b21954e2bad958a78233ee49f693e6745d70150824ee8d2e52654b195a3571a49eddf17cad4d62d5a2df070
SSDEEP

12288:p3w+fwM6nMWJzbLbYHYYr9esd30+C/qt91UwN50CdcmbEqGT9KPva2GCqM:pgCqnJzbLbYHYYrHeMt91UwXPiToKZM

Score

10^/10

formbook t0uu rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

t0uu

Decoy

5qf0rEhPb4XZWXWEeURMYdG0c9s=

O8SURu/l0MHyf0tJUvLv7/WeRZXa

kZFzJB1AQJ3u0Fz27XTVZwM/RkGYzg==

MDw73V1hMFIUBiQdlBeaxgH6

fkX6oKn0/KQs1hUtH+WPrlg=

oVfkjYXcrlc=

YCJK+qt7C69/cnU4

EQtrDR+oQ4ELH24Gydpl2g==

u6tyBpCHeEwQymzoyF/lJ/1XQcpxdKpG

4tWPLz2FXGjxpkbh6A==

JBa40XxOrAHM

CMHznifqehEi2+C0WCAkjnG/na/Y

jDVN5WoRlvV/cnU4

nJu0YQw28gJM0psiKd4/nxUms+AYgEs=

lHU12ew9HDMtGHwC8w==

SEy8YF/WbgHV2IwI9w==

nFqQTQAk3fGvbmMXvotnsZgu6gl9xA==

kD7Pf5IhdrN/cnU4

Mje0add7KHqYjq9xOBMFbWS/na/Y

FMU92tVWrscB7HkLBYzobhHIVtE=

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	Sales Receipt.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 5072 set thread context of 1876	5072	Sales Receipt.exe	83
PID 1876 set thread context of 376	1876	Sales Receipt.exe	12
PID 3416 set thread context of 376	3416	NETSTAT.EXE	12

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
3416	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
1876	Sales Receipt.exe
1876	Sales Receipt.exe
1876	Sales Receipt.exe
1876	Sales Receipt.exe
1876	Sales Receipt.exe
1876	Sales Receipt.exe
1876	Sales Receipt.exe
1876	Sales Receipt.exe
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
376	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1876	Sales Receipt.exe
1876	Sales Receipt.exe
1876	Sales Receipt.exe
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE
3416	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1876	Sales Receipt.exe
Token: SeDebugPrivilege	3416	NETSTAT.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 1876	5072	Sales Receipt.exe	83
PID 5072 wrote to memory of 1876	5072	Sales Receipt.exe	83
PID 5072 wrote to memory of 1876	5072	Sales Receipt.exe	83
PID 5072 wrote to memory of 1876	5072	Sales Receipt.exe	83
PID 5072 wrote to memory of 1876	5072	Sales Receipt.exe	83
PID 5072 wrote to memory of 1876	5072	Sales Receipt.exe	83
PID 376 wrote to memory of 3416	376	Explorer.EXE	84
PID 376 wrote to memory of 3416	376	Explorer.EXE	84
PID 376 wrote to memory of 3416	376	Explorer.EXE	84
PID 3416 wrote to memory of 836	3416	NETSTAT.EXE	91
PID 3416 wrote to memory of 836	3416	NETSTAT.EXE	91
PID 3416 wrote to memory of 836	3416	NETSTAT.EXE	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:376
- C:\Users\Admin\AppData\Local\Temp\Sales Receipt.exe
  "C:\Users\Admin\AppData\Local\Temp\Sales Receipt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:5072
- - C:\Users\Admin\AppData\Local\Temp\Sales Receipt.exe
    "C:\Users\Admin\AppData\Local\Temp\Sales Receipt.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1876
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3416
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:836

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/376-146-0x0000000002800000-0x00000000028F3000-memory.dmp

Filesize
972KB

Download
memory/376-156-0x0000000008170000-0x00000000082D3000-memory.dmp

Filesize
1.4MB

Download
memory/376-154-0x0000000008170000-0x00000000082D3000-memory.dmp

Filesize
1.4MB

Download
memory/1876-149-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1876-145-0x00000000014F0000-0x0000000001500000-memory.dmp

Filesize
64KB

Download
memory/1876-148-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1876-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1876-141-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1876-142-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1876-144-0x0000000001550000-0x000000000189A000-memory.dmp

Filesize
3.3MB

Download
memory/3416-151-0x0000000000D20000-0x0000000000D4D000-memory.dmp

Filesize
180KB

Download
memory/3416-150-0x00000000004B0000-0x00000000004BB000-memory.dmp

Filesize
44KB

Download
memory/3416-152-0x00000000016C0000-0x0000000001A0A000-memory.dmp

Filesize
3.3MB

Download
memory/3416-153-0x0000000001580000-0x000000000160F000-memory.dmp

Filesize
572KB

Download
memory/3416-155-0x0000000000D20000-0x0000000000D4D000-memory.dmp

Filesize
180KB

Download
memory/5072-135-0x0000000004D90000-0x0000000004D9A000-memory.dmp

Filesize
40KB

Download
memory/5072-137-0x0000000009D10000-0x0000000009D76000-memory.dmp

Filesize
408KB

Download
memory/5072-132-0x0000000000300000-0x0000000000410000-memory.dmp

Filesize
1.1MB

Download
memory/5072-136-0x0000000009B70000-0x0000000009C0C000-memory.dmp

Filesize
624KB

Download
memory/5072-134-0x0000000004E40000-0x0000000004ED2000-memory.dmp

Filesize
584KB

Download
memory/5072-133-0x00000000053F0000-0x0000000005994000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads