formbook | e121e41abc24cd4a27ec0537679a24a0c8ab76bacbb4e7d636fff4b775a89cbd

General

Target

ET3B30WFvUox72P.exe
Size

853KB
MD5

9c08d86c88ca7a12737a5a78f3a8ad22
SHA1

135bc56ea54a1133055e102a0febef4b796d06cf
SHA256

e121e41abc24cd4a27ec0537679a24a0c8ab76bacbb4e7d636fff4b775a89cbd
SHA512

cd309209ee2577bce854784a1a0bbbf07a81ed22c768f8973d84e4e744e5e623d29d1b34580ec840313cd2713d8fb862fe460ff1953b96b4210a60cd56d8376c
SSDEEP

12288:70wOZQA6qectxWsQvktczPlDxheXw9lE2kSBcLUNfkg586aWHff:74ectxPyztDxheATPkwB5O8f

Score

10^/10

formbook bmr1 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

bmr1

Decoy

q05YNsJC4MpYLGAf4A==

6KUzKCvwX0fwzrFQXvlucw==

KA4ZibW1w+hWN5Q=

TfgNq18tIWtsM7h+DexncQ==

zspNqjUKBdJVHTkiMMXJYeF7G53bVvMPoA==

hopQr+b8KzPIbMWvw0Yxir6cyw==

2thmt+17FR/MVsakbM/+w3xGOhopJw==

5gO5gfA6jwna/4FNSPqrvvHyr2A=

kqtr0wr9KaOXVMyDDexncQ==

PNldyz0Boa5cLGAf4A==

Gysor7fqabd0UzTwWp3Zir6cyw==

pMRgV18gtLorB21prX4=

ukpf+vu2u+hWN5Q=

pcS/rO+KmPMj69G9cMHnoSEm59cbIQ==

4fWGzv347bFNDYJeeIHKG5co

WXlRyM2Yn+4Ab1EgRAFHWdGDCzf1

ZPoM+2U1cwMzteOBsHY=

o8jQoNron4sT3A/KomE=

7QX8tTpv/A+YKw==

wFvmV8SY/A+YKw==

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:

ET3B30WFvUox72P.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\International\Geo\Nation	ET3B30WFvUox72P.exe

Loads dropped DLL 1 IoCs

Processes:

mstsc.exe

pid process

1900 mstsc.exe

pid	process
1900	mstsc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

ET3B30WFvUox72P.exeET3B30WFvUox72P.exemstsc.exe

description	pid	process	target process
PID 1972 set thread context of 1148	1972	ET3B30WFvUox72P.exe	ET3B30WFvUox72P.exe
PID 1148 set thread context of 1288	1148	ET3B30WFvUox72P.exe	Explorer.EXE
PID 1900 set thread context of 1288	1900	mstsc.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

ET3B30WFvUox72P.exemstsc.exe

pid	process
1148	ET3B30WFvUox72P.exe
1148	ET3B30WFvUox72P.exe
1148	ET3B30WFvUox72P.exe
1148	ET3B30WFvUox72P.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe
1900	mstsc.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

ET3B30WFvUox72P.exemstsc.exe

pid process

1148 ET3B30WFvUox72P.exe
1148 ET3B30WFvUox72P.exe
1148 ET3B30WFvUox72P.exe
1900 mstsc.exe
1900 mstsc.exe
1900 mstsc.exe
1900 mstsc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ET3B30WFvUox72P.exemstsc.exe

description pid process

Token: SeDebugPrivilege 1148 ET3B30WFvUox72P.exe
Token: SeDebugPrivilege 1900 mstsc.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1288 Explorer.EXE
1288 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1288 Explorer.EXE
1288 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1148	ET3B30WFvUox72P.exe
Token: SeDebugPrivilege	1900	mstsc.exe

pid	process
1288	Explorer.EXE
1288	Explorer.EXE

pid	process
1288	Explorer.EXE
1288	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

ET3B30WFvUox72P.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 1972 wrote to memory of 1148	1972	ET3B30WFvUox72P.exe	ET3B30WFvUox72P.exe
PID 1972 wrote to memory of 1148	1972	ET3B30WFvUox72P.exe	ET3B30WFvUox72P.exe
PID 1972 wrote to memory of 1148	1972	ET3B30WFvUox72P.exe	ET3B30WFvUox72P.exe
PID 1972 wrote to memory of 1148	1972	ET3B30WFvUox72P.exe	ET3B30WFvUox72P.exe
PID 1972 wrote to memory of 1148	1972	ET3B30WFvUox72P.exe	ET3B30WFvUox72P.exe
PID 1972 wrote to memory of 1148	1972	ET3B30WFvUox72P.exe	ET3B30WFvUox72P.exe
PID 1972 wrote to memory of 1148	1972	ET3B30WFvUox72P.exe	ET3B30WFvUox72P.exe
PID 1288 wrote to memory of 1900	1288	Explorer.EXE	mstsc.exe
PID 1288 wrote to memory of 1900	1288	Explorer.EXE	mstsc.exe
PID 1288 wrote to memory of 1900	1288	Explorer.EXE	mstsc.exe
PID 1288 wrote to memory of 1900	1288	Explorer.EXE	mstsc.exe
PID 1900 wrote to memory of 1492	1900	mstsc.exe	Firefox.exe
PID 1900 wrote to memory of 1492	1900	mstsc.exe	Firefox.exe
PID 1900 wrote to memory of 1492	1900	mstsc.exe	Firefox.exe
PID 1900 wrote to memory of 1492	1900	mstsc.exe	Firefox.exe
PID 1900 wrote to memory of 1492	1900	mstsc.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1288

C:\Users\Admin\AppData\Local\Temp\ET3B30WFvUox72P.exe
"C:\Users\Admin\AppData\Local\Temp\ET3B30WFvUox72P.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1972

C:\Users\Admin\AppData\Local\Temp\ET3B30WFvUox72P.exe
"C:\Users\Admin\AppData\Local\Temp\ET3B30WFvUox72P.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1148

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1492

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
922KB

MD5
dda1b03a5cd2ca37c96b7daf5e3a8ed7

SHA1
c70e5f58e61980d39608f0795879bf012dbbbca2

SHA256
79f86c1edbbc69652a03a0f5667b3985bcf1e19f16fa3b8c7934e5b97ab8586d

SHA512
bf83648c9b5d6d65b2c8409d262a1b7421d2cb13d6c759ec5f352c2d1c5adff3ee2395250fbdfe3590f25fe96bf6b40c2d82a8e7eecaab03be2e6a398e83981f

Download Submit
memory/1148-69-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/1148-64-0x00000000004012B0-mapping.dmp

Download
memory/1148-70-0x00000000000F0000-0x0000000000100000-memory.dmp

Filesize
64KB

Download
memory/1148-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1148-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1148-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1148-67-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1148-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1148-75-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1148-73-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1288-82-0x0000000006E80000-0x0000000007004000-memory.dmp

Filesize
1.5MB

Download
memory/1288-71-0x00000000064D0000-0x00000000065A0000-memory.dmp

Filesize
832KB

Download
memory/1288-80-0x0000000006E80000-0x0000000007004000-memory.dmp

Filesize
1.5MB

Download
memory/1900-78-0x0000000002180000-0x0000000002483000-memory.dmp

Filesize
3.0MB

Download
memory/1900-76-0x0000000000540000-0x0000000000644000-memory.dmp

Filesize
1.0MB

Download
memory/1900-77-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1900-79-0x0000000002010000-0x000000000209F000-memory.dmp

Filesize
572KB

Download
memory/1900-72-0x0000000000000000-mapping.dmp

Download
memory/1900-81-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1972-59-0x0000000000AC0000-0x0000000000B06000-memory.dmp

Filesize
280KB

Download
memory/1972-57-0x00000000003F0000-0x00000000003FE000-memory.dmp

Filesize
56KB

Download
memory/1972-54-0x0000000001230000-0x000000000130C000-memory.dmp

Filesize
880KB

Download
memory/1972-56-0x00000000003D0000-0x00000000003E6000-memory.dmp

Filesize
88KB

Download
memory/1972-58-0x00000000051D0000-0x0000000005250000-memory.dmp

Filesize
512KB

Download
memory/1972-55-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads