formbook | 2e104eab7b0a3da0b429304eb0e738fd75f7c99dfb368a3a0c70ffd1d4206c01

General

Target

PROFORMA INVOICE 103321.exe
Size

916KB
MD5

6b34c7d21457240410f7526870fb3cc8
SHA1

ad4f885afeefe8d5c06f8ed14736705fb0b527f1
SHA256

4e299e221bff547ce81f39f447b914d120e8411bd4d38a5cf7014e5241e757ad
SHA512

1a8a7160adf1acea7cd76a7b739129f95afe931d9e5544d874e20d7f9c330c297618cb1f7cb69ced06fa22aaf95ef68dbf1df1e6898143061c8c360b3b48b61e
SSDEEP

12288:2ZMBqPwNK7sb7/sn1gSp4JZjAH1wBjGrCwDBo6RU2snF90NcZnbhR9jqI:he7w7En1gSp4TjQw5+CCrKFSNYbX9jn

Score

10^/10

formbook d8ax rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

d8ax

Decoy

wQDD4HkJc+vErnk=

j7vdn039QTY5Gcs43SDb8R4gwLgFCI7s

ZqPN0enMl4As

kKK00fOMq6KZmHv6kZjEiTm3l1o=

CxCTti/0Dcs5qly/AVHoTg==

5TwVtD3wcevErnk=

/ieoWNXMl4As

caK67QvHGhmiEuKpidX2RA==

Bbyy3J6D1Qw=

LV5N2gOocvpbA/OB/w==

k7k2OMNsBY67libDOi4=

wuDokhS1jLo4mA==

RVGz6anMl4As

la40BCHFwoI/rpugbdoaWQ==

XmVnfY0nNACG5si5u8Ds6F79xw==

dpyQTuytl0/bShsFIYUaHRzIL4quYwxgTA==

yvmesDDPpTSrLhf5GlvvdaCZekhAsg==

obTEXhervaSWkSbDOi4=

ClZogXcOT1DcPyvgOKJM

Drlokv/cjLo4mA==

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

Processes:

PROFORMA INVOICE 103321.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	PROFORMA INVOICE 103321.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

PROFORMA INVOICE 103321.exePROFORMA INVOICE 103321.exeraserver.exe

description	pid	process	target process
PID 4804 set thread context of 3256	4804	PROFORMA INVOICE 103321.exe	PROFORMA INVOICE 103321.exe
PID 3256 set thread context of 2520	3256	PROFORMA INVOICE 103321.exe	Explorer.EXE
PID 372 set thread context of 2520	372	raserver.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

raserver.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

PROFORMA INVOICE 103321.exeraserver.exe

pid	process
3256	PROFORMA INVOICE 103321.exe
3256	PROFORMA INVOICE 103321.exe
3256	PROFORMA INVOICE 103321.exe
3256	PROFORMA INVOICE 103321.exe
3256	PROFORMA INVOICE 103321.exe
3256	PROFORMA INVOICE 103321.exe
3256	PROFORMA INVOICE 103321.exe
3256	PROFORMA INVOICE 103321.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2520 Explorer.EXE

pid	process
2520	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

PROFORMA INVOICE 103321.exeraserver.exe

pid	process
3256	PROFORMA INVOICE 103321.exe
3256	PROFORMA INVOICE 103321.exe
3256	PROFORMA INVOICE 103321.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe
372	raserver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

PROFORMA INVOICE 103321.exeExplorer.EXEraserver.exe

description	pid	process
Token: SeDebugPrivilege	3256	PROFORMA INVOICE 103321.exe
Token: SeShutdownPrivilege	2520	Explorer.EXE
Token: SeCreatePagefilePrivilege	2520	Explorer.EXE
Token: SeShutdownPrivilege	2520	Explorer.EXE
Token: SeCreatePagefilePrivilege	2520	Explorer.EXE
Token: SeDebugPrivilege	372	raserver.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

PROFORMA INVOICE 103321.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 4804 wrote to memory of 3256	4804	PROFORMA INVOICE 103321.exe	PROFORMA INVOICE 103321.exe
PID 4804 wrote to memory of 3256	4804	PROFORMA INVOICE 103321.exe	PROFORMA INVOICE 103321.exe
PID 4804 wrote to memory of 3256	4804	PROFORMA INVOICE 103321.exe	PROFORMA INVOICE 103321.exe
PID 4804 wrote to memory of 3256	4804	PROFORMA INVOICE 103321.exe	PROFORMA INVOICE 103321.exe
PID 4804 wrote to memory of 3256	4804	PROFORMA INVOICE 103321.exe	PROFORMA INVOICE 103321.exe
PID 4804 wrote to memory of 3256	4804	PROFORMA INVOICE 103321.exe	PROFORMA INVOICE 103321.exe
PID 2520 wrote to memory of 372	2520	Explorer.EXE	raserver.exe
PID 2520 wrote to memory of 372	2520	Explorer.EXE	raserver.exe
PID 2520 wrote to memory of 372	2520	Explorer.EXE	raserver.exe
PID 372 wrote to memory of 1756	372	raserver.exe	Firefox.exe
PID 372 wrote to memory of 1756	372	raserver.exe	Firefox.exe
PID 372 wrote to memory of 1756	372	raserver.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2520

C:\Users\Admin\AppData\Local\Temp\PROFORMA INVOICE 103321.exe
"C:\Users\Admin\AppData\Local\Temp\PROFORMA INVOICE 103321.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4804

C:\Users\Admin\AppData\Local\Temp\PROFORMA INVOICE 103321.exe
"C:\Users\Admin\AppData\Local\Temp\PROFORMA INVOICE 103321.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3256

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.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:372

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/372-153-0x0000000001240000-0x000000000126D000-memory.dmp

Filesize
180KB

Download
memory/372-151-0x00000000030D0000-0x000000000315F000-memory.dmp

Filesize
572KB

Download
memory/372-150-0x0000000003160000-0x00000000034AA000-memory.dmp

Filesize
3.3MB

Download
memory/372-148-0x00000000002A0000-0x00000000002BF000-memory.dmp

Filesize
124KB

Download
memory/372-149-0x0000000001240000-0x000000000126D000-memory.dmp

Filesize
180KB

Download
memory/372-147-0x0000000000000000-mapping.dmp

Download
memory/2520-146-0x0000000003260000-0x000000000335E000-memory.dmp

Filesize
1016KB

Download
memory/2520-154-0x00000000082D0000-0x00000000083EA000-memory.dmp

Filesize
1.1MB

Download
memory/2520-152-0x00000000082D0000-0x00000000083EA000-memory.dmp

Filesize
1.1MB

Download
memory/3256-137-0x0000000000000000-mapping.dmp

Download
memory/3256-143-0x0000000000FC0000-0x000000000130A000-memory.dmp

Filesize
3.3MB

Download
memory/3256-144-0x0000000000422000-0x0000000000424000-memory.dmp

Filesize
8KB

Download
memory/3256-145-0x0000000000B10000-0x0000000000B20000-memory.dmp

Filesize
64KB

Download
memory/3256-142-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/3256-141-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3256-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3256-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4804-132-0x0000000000140000-0x000000000022A000-memory.dmp

Filesize
936KB

Download
memory/4804-136-0x0000000007690000-0x000000000772C000-memory.dmp

Filesize
624KB

Download
memory/4804-135-0x0000000004BB0000-0x0000000004BBA000-memory.dmp

Filesize
40KB

Download
memory/4804-134-0x0000000004C40000-0x0000000004CD2000-memory.dmp

Filesize
584KB

Download
memory/4804-133-0x00000000051F0000-0x0000000005794000-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