formbook | b48e1af2b9c183088065530dad02ce3b2d2a333e899017a34c1a817ed892eb73

Analysis

max time kernel
304s
max time network
328s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2022 15:10

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General

Target

VESSEL_S_SPEC-BBN_SUPRA.exe
Size

351KB
MD5

359048b5dc3e27a1d81172b25d93d6b2
SHA1

9efff8dfb886f8bf8fac3d354f674f92e80aa8fe
SHA256

b48e1af2b9c183088065530dad02ce3b2d2a333e899017a34c1a817ed892eb73
SHA512

0d80c670f0734ac145b1499900e7d03946cb69901499a51ae1db9397d5dbae17ffa9c5e4150a35fe40d37edb5b8b2cc910e63f252c2d9f5bc2e95572b0d8d192
SSDEEP

6144:sh0f3Yw7yGailqh/WqbYjzA2MVu+ocixl5MgphAcy67gtgz4o2+2iOFn0pcccccI:Ss3Yw7yGJqYzAlVL8lnjPrgtg8ojF

Score

10^/10

formbook ermr rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

ermr

Decoy

ErOK6LFCgNIAlQmH54oaYOL/CN29Z78=

qNSdDhu/PT/1fgafDagiCSZH1SY=

wLpPOAkYS8EABl3pHGc4hNT/Q1sHBrU=

jSxRvptHkeTGl7PT0SEmaZmjqzanuA==

b91oL+2wCcpyhnd6yvF6Pg==

mr81yp1/qqZX

hy7Xsz/PU/LWHMcGL4UYJx9n3A==

KlwrHt1gouPaXaWhoQ==

ng8M320IRJL9Ptw=

8GQbOXuaWxvKnNM=

XndOL7E5sNpVUNty4d/a

rryPBBC8PybYb+2h2MF3FHGL

kEoeyERSVCYO0g==

5/P+SBDby5hO

1fYXc30/h9W7iO17

34X+YKR+wRFE

8ir/X2MlVByh5lQ1ow8=

u9ikm2UMZ7J7hpCYow==

FLI+c3clp1BNDjVAfvC2Dnw=

t21Erq8/r09wAzAJTAH3Ng==

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:

VESSEL_S_SPEC-BBN_SUPRA.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	VESSEL_S_SPEC-BBN_SUPRA.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

VESSEL_S_SPEC-BBN_SUPRA.exeVESSEL_S_SPEC-BBN_SUPRA.exe

description	pid	process	target process
PID 3172 set thread context of 4468	3172	VESSEL_S_SPEC-BBN_SUPRA.exe	VESSEL_S_SPEC-BBN_SUPRA.exe
PID 4468 set thread context of 2420	4468	VESSEL_S_SPEC-BBN_SUPRA.exe	Explorer.EXE
PID 4468 set thread context of 2420	4468	VESSEL_S_SPEC-BBN_SUPRA.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

VESSEL_S_SPEC-BBN_SUPRA.exe

pid	process
4468	VESSEL_S_SPEC-BBN_SUPRA.exe
4468	VESSEL_S_SPEC-BBN_SUPRA.exe
4468	VESSEL_S_SPEC-BBN_SUPRA.exe
4468	VESSEL_S_SPEC-BBN_SUPRA.exe
4468	VESSEL_S_SPEC-BBN_SUPRA.exe
4468	VESSEL_S_SPEC-BBN_SUPRA.exe
4468	VESSEL_S_SPEC-BBN_SUPRA.exe
4468	VESSEL_S_SPEC-BBN_SUPRA.exe
4468	VESSEL_S_SPEC-BBN_SUPRA.exe
4468	VESSEL_S_SPEC-BBN_SUPRA.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

VESSEL_S_SPEC-BBN_SUPRA.exe

pid process

4468 VESSEL_S_SPEC-BBN_SUPRA.exe
4468 VESSEL_S_SPEC-BBN_SUPRA.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

VESSEL_S_SPEC-BBN_SUPRA.exe

description pid process

Token: SeDebugPrivilege 4468 VESSEL_S_SPEC-BBN_SUPRA.exe

description	pid	process
Token: SeDebugPrivilege	4468	VESSEL_S_SPEC-BBN_SUPRA.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

VESSEL_S_SPEC-BBN_SUPRA.exe

description	pid	process	target process
PID 3172 wrote to memory of 4468	3172	VESSEL_S_SPEC-BBN_SUPRA.exe	VESSEL_S_SPEC-BBN_SUPRA.exe
PID 3172 wrote to memory of 4468	3172	VESSEL_S_SPEC-BBN_SUPRA.exe	VESSEL_S_SPEC-BBN_SUPRA.exe
PID 3172 wrote to memory of 4468	3172	VESSEL_S_SPEC-BBN_SUPRA.exe	VESSEL_S_SPEC-BBN_SUPRA.exe
PID 3172 wrote to memory of 4468	3172	VESSEL_S_SPEC-BBN_SUPRA.exe	VESSEL_S_SPEC-BBN_SUPRA.exe
PID 3172 wrote to memory of 4468	3172	VESSEL_S_SPEC-BBN_SUPRA.exe	VESSEL_S_SPEC-BBN_SUPRA.exe
PID 3172 wrote to memory of 4468	3172	VESSEL_S_SPEC-BBN_SUPRA.exe	VESSEL_S_SPEC-BBN_SUPRA.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2420
- C:\Users\Admin\AppData\Local\Temp\VESSEL_S_SPEC-BBN_SUPRA.exe
  "C:\Users\Admin\AppData\Local\Temp\VESSEL_S_SPEC-BBN_SUPRA.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3172
- - C:\Users\Admin\AppData\Local\Temp\VESSEL_S_SPEC-BBN_SUPRA.exe
    "C:\Users\Admin\AppData\Local\Temp\VESSEL_S_SPEC-BBN_SUPRA.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4468

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2420-141-0x00000000075A0000-0x0000000007688000-memory.dmp

Filesize
928KB

Download
memory/3172-132-0x0000000000460000-0x00000000004BE000-memory.dmp

Filesize
376KB

Download
memory/3172-133-0x0000000005300000-0x00000000058A4000-memory.dmp

Filesize
5.6MB

Download
memory/3172-134-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/3172-135-0x0000000004E50000-0x0000000004EB6000-memory.dmp

Filesize
408KB

Download
memory/4468-136-0x0000000000000000-mapping.dmp

Download
memory/4468-137-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4468-138-0x0000000001370000-0x00000000016BA000-memory.dmp

Filesize
3.3MB

Download
memory/4468-140-0x0000000001330000-0x0000000001341000-memory.dmp

Filesize
68KB

Download
memory/4468-142-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4468-143-0x0000000003070000-0x0000000003081000-memory.dmp

Filesize
68KB

Download