formbook | 6e2cfa82ae69619d10fdee4980eafa5d2984f3f55d835693630bb439363d5a63

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24/10/2022, 18:01

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General

Target
MV PRINCESS BANA(Vessel Particular).exe
Size 481KB
Sample221024-wlx2dahhhr
SHA256 6e2cfa82ae69619d10fdee4980eafa5d2984f3f55d835693630bb439363d5a63
MD5 b061391ed8c46af9e8827b14cd01658a
SHA1 d80c556dd9ef528cc8c45f15cc06a740ebafbf4c
SHA512 ac4acaf92f45a0eaa083dd088c9d101e16616ced79b4ba4bc67283870683d6e8f769941acbbcbaebda5ac6c851d3317e897d2c0311307328299811f7e3e3dd01
SSDEEP 6144:OVUWLYAfDXLkgMPhULY4EIyJaU5MvKDgmjMDGcGqn/8kvik6B6:tWLYaD79MPhjd57OHl
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook ermr persistence 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==
VAg3gU1KH9uW3YIPAgc=
Gjlc09d6qurdLePSLZktDmGA1A==
MMraOD3ve5odaf+03cB3FHGL
mLRTTAycMcrHgomShQHVwfFKkGQaehvF
fpab65mlchvKnNM=
M6jUQU0omipqaUNXyvF6Pg==
S/XrNQGVvwUsSnKFyvF6Pg==
LeC0GeF2zvCosNtMx5RltjCD
Y+IGYC/XHS63wIus5n08ADN2qzanuA==
3tJus7Rc6OtWnx9y4d/a
4uSOYiXhGxumZcTLuA==
5PyP2thOiIucXaWhoQ==
6978Rw3FNTibYVQ1ow8=
3Ah90lcSVCYO0g==
V/UQWRsOOQjDye9m0cLQ
yRXcMfySzTmEhddhqljeGH8=
vWuKFZKZ48E=
8+UEda631IpZ
LUofBqVNdT/v+MXiEWm90Ape3g==
NCi29RHdDYd7hso=
i36jBdNko/HyUKg1eWYgJx9n3A==
vdblMhHYSkgDmBly4d/a
oQmZH6K31IpZ
fCBHqaFGx9OUMMuBr5GWDXXY5DAT
FDXweHcHVCYO0g==
qSQd9bd7BQavQ9NbcUT+O6e4OGsaehvF
vN98englU4HHzqi36ju/91SJ
prTUIBi6MhiXZFQ1ow8=
w008jVXdCYd7hso=
p1kghFnjD9iADog5cVDmvrDiTjk=
xLjHJFYDQL+ysdk=
6tiR9MZa9xSMXVQ1ow8=
WMzXJPGcyIrP2g==
SeI4PsQ+N/O0iMs=
+4o0lKRDsz+RUqpoBvt3FHGL
AHQG4ZsybzCo8ZlBs1jeGH8=
kIgR46ls4wiGUJZLtFjeGH8=
b/fmPTHIRhvKnNM=
lTL5XnA4eKLb4snpHXt2s/MaSVsHBrU=
psOQcAKjHxyFw0vIwrZ3FHGL
F806xNnby5hO
7t72ZXkhmSAc8xLYD4J2XXc=
Ihmk3OR96/2HSbdi
ea/NKy3VVcx7hpCYow==
ifair.ltd

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\CX4TWJHHQZC = "C:\\Program Files (x86)\\Ba0hl\\rtoxqpbl.exe"	cmd.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
39	4032	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
5012	rtoxqpbl.exe

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	MV PRINCESS BANA(Vessel Particular).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 1584 set thread context of 2208	1584	MV PRINCESS BANA(Vessel Particular).exe	82
PID 2208 set thread context of 372	2208	MV PRINCESS BANA(Vessel Particular).exe	50
PID 4032 set thread context of 372	4032	cmd.exe	50

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Ba0hl\rtoxqpbl.exe	cmd.exe
File opened for modification	C:\Program Files (x86)\Ba0hl	Explorer.EXE
File created	C:\Program Files (x86)\Ba0hl\rtoxqpbl.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Ba0hl\rtoxqpbl.exe	Explorer.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	cmd.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2208	MV PRINCESS BANA(Vessel Particular).exe
2208	MV PRINCESS BANA(Vessel Particular).exe
2208	MV PRINCESS BANA(Vessel Particular).exe
2208	MV PRINCESS BANA(Vessel Particular).exe
2208	MV PRINCESS BANA(Vessel Particular).exe
2208	MV PRINCESS BANA(Vessel Particular).exe
2208	MV PRINCESS BANA(Vessel Particular).exe
2208	MV PRINCESS BANA(Vessel Particular).exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
372	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2208	MV PRINCESS BANA(Vessel Particular).exe
2208	MV PRINCESS BANA(Vessel Particular).exe
2208	MV PRINCESS BANA(Vessel Particular).exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe
4032	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	MV PRINCESS BANA(Vessel Particular).exe
Token: SeDebugPrivilege	4032	cmd.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 2208	1584	MV PRINCESS BANA(Vessel Particular).exe	82
PID 1584 wrote to memory of 2208	1584	MV PRINCESS BANA(Vessel Particular).exe	82
PID 1584 wrote to memory of 2208	1584	MV PRINCESS BANA(Vessel Particular).exe	82
PID 1584 wrote to memory of 2208	1584	MV PRINCESS BANA(Vessel Particular).exe	82
PID 1584 wrote to memory of 2208	1584	MV PRINCESS BANA(Vessel Particular).exe	82
PID 1584 wrote to memory of 2208	1584	MV PRINCESS BANA(Vessel Particular).exe	82
PID 372 wrote to memory of 4032	372	Explorer.EXE	83
PID 372 wrote to memory of 4032	372	Explorer.EXE	83
PID 372 wrote to memory of 4032	372	Explorer.EXE	83
PID 4032 wrote to memory of 4820	4032	cmd.exe	84
PID 4032 wrote to memory of 4820	4032	cmd.exe	84
PID 4032 wrote to memory of 4820	4032	cmd.exe	84
PID 4032 wrote to memory of 2412	4032	cmd.exe	93
PID 4032 wrote to memory of 2412	4032	cmd.exe	93
PID 4032 wrote to memory of 2412	4032	cmd.exe	93
PID 372 wrote to memory of 5012	372	Explorer.EXE	94
PID 372 wrote to memory of 5012	372	Explorer.EXE	94
PID 372 wrote to memory of 5012	372	Explorer.EXE	94

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:372
- C:\Users\Admin\AppData\Local\Temp\MV PRINCESS BANA(Vessel Particular).exe
  "C:\Users\Admin\AppData\Local\Temp\MV PRINCESS BANA(Vessel Particular).exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1584
- - C:\Users\Admin\AppData\Local\Temp\MV PRINCESS BANA(Vessel Particular).exe
    "C:\Users\Admin\AppData\Local\Temp\MV PRINCESS BANA(Vessel Particular).exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2208
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Adds policy Run key to start application
  - Blocklisted process makes network request
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:4032
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\MV PRINCESS BANA(Vessel Particular).exe"
    3⤵
    PID:4820
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2412
- C:\Program Files (x86)\Ba0hl\rtoxqpbl.exe
  "C:\Program Files (x86)\Ba0hl\rtoxqpbl.exe"
  2⤵
  - Executes dropped EXE
  PID:5012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

rtoxqpbl.exe

Path C:\Program Files (x86)\Ba0hl\rtoxqpbl.exe
Size 481KB
SHA256 6e2cfa82ae69619d10fdee4980eafa5d2984f3f55d835693630bb439363d5a63
MD5 b061391ed8c46af9e8827b14cd01658a
SHA1 d80c556dd9ef528cc8c45f15cc06a740ebafbf4c
SHA512 ac4acaf92f45a0eaa083dd088c9d101e16616ced79b4ba4bc67283870683d6e8f769941acbbcbaebda5ac6c851d3317e897d2c0311307328299811f7e3e3dd01
SSDEEP 6144:OVUWLYAfDXLkgMPhULY4EIyJaU5MvKDgmjMDGcGqn/8kvik6B6:tWLYaD79MPhjd57OHl
MD5 SHA1 SHA512 SSDEEP

Submit Download

rtoxqpbl.exe

Path C:\Program Files (x86)\Ba0hl\rtoxqpbl.exe
Size 481KB
SHA256 6e2cfa82ae69619d10fdee4980eafa5d2984f3f55d835693630bb439363d5a63
MD5 b061391ed8c46af9e8827b14cd01658a
SHA1 d80c556dd9ef528cc8c45f15cc06a740ebafbf4c
SHA512 ac4acaf92f45a0eaa083dd088c9d101e16616ced79b4ba4bc67283870683d6e8f769941acbbcbaebda5ac6c851d3317e897d2c0311307328299811f7e3e3dd01
SSDEEP 6144:OVUWLYAfDXLkgMPhULY4EIyJaU5MvKDgmjMDGcGqn/8kvik6B6:tWLYaD79MPhjd57OHl
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/372-147-0x0000000008250000-0x0000000008398000-memory.dmp

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memory/372-140-0x0000000008170000-0x0000000008241000-memory.dmp

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memory/372-149-0x0000000008250000-0x0000000008398000-memory.dmp

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memory/1584-133-0x00000000058C0000-0x0000000005E64000-memory.dmp

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memory/1584-132-0x0000000000960000-0x00000000009DE000-memory.dmp

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memory/2208-135-0x0000000000400000-0x000000000042D000-memory.dmp

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memory/2208-137-0x0000000000400000-0x000000000042D000-memory.dmp

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memory/2208-138-0x0000000001370000-0x00000000016BA000-memory.dmp

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memory/2208-139-0x0000000001320000-0x0000000001331000-memory.dmp

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memory/4032-143-0x0000000000FB0000-0x0000000000FDD000-memory.dmp

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memory/4032-146-0x00000000019D0000-0x0000000001A60000-memory.dmp

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memory/4032-148-0x0000000000FB0000-0x0000000000FDD000-memory.dmp

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memory/4032-145-0x0000000001BA0000-0x0000000001EEA000-memory.dmp

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memory/4032-142-0x0000000000C50000-0x0000000000CAA000-memory.dmp

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