formbook | 4ec38c8028003269f3576dba1c4776266a9a8c4d26eb91e2148b1bc1a9994a7c

General

Target

MV TBN VESSEL-PARTICULARS.exe
Size

277KB
MD5

3e77705d1c4d75670cdb6221d07a2562
SHA1

a7c0b6609f1740d02270d7c6f1ee9851a26642c3
SHA256

4ec38c8028003269f3576dba1c4776266a9a8c4d26eb91e2148b1bc1a9994a7c
SHA512

0a4bed3e39f2d753a970336801121dac4891b4956e4c5b93069d407f15191dbcfac0219b399de2aeaa60af298ad4c1803aa9fc8902cdb6985f5e7e08c39e8e19
SSDEEP

6144:vaZ+bfg9FKfw7Jmv+e4uZk7/wA0mBJSrMQNrEA:vaZqgFMv+e4uZlmrXQP

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==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Blocklisted process makes network request 3 IoCs

Processes:

msiexec.exe

flow pid process

9 1604 msiexec.exe
18 1604 msiexec.exe
25 1604 msiexec.exe

flow	pid	process
9	1604	msiexec.exe
18	1604	msiexec.exe
25	1604	msiexec.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

Processes:

MV TBN VESSEL-PARTICULARS.exe

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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1500 cmd.exe

pid	process
1500	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\OX44P2E8 = "C:\\Program Files (x86)\\Ovfylpl\\updatecbc.exe"	msiexec.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

MV TBN VESSEL-PARTICULARS.exeMV TBN VESSEL-PARTICULARS.exemsiexec.exe

description	pid	process	target process
PID 2020 set thread context of 1320	2020	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 1320 set thread context of 1216	1320	MV TBN VESSEL-PARTICULARS.exe	Explorer.EXE
PID 1604 set thread context of 1216	1604	msiexec.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ovfylpl\updatecbc.exe msiexec.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ovfylpl\updatecbc.exe	msiexec.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

msiexec.exe

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

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

MV TBN VESSEL-PARTICULARS.exemsiexec.exe

pid	process
1320	MV TBN VESSEL-PARTICULARS.exe
1320	MV TBN VESSEL-PARTICULARS.exe
1320	MV TBN VESSEL-PARTICULARS.exe
1320	MV TBN VESSEL-PARTICULARS.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

MV TBN VESSEL-PARTICULARS.exemsiexec.exe

pid	process
1320	MV TBN VESSEL-PARTICULARS.exe
1320	MV TBN VESSEL-PARTICULARS.exe
1320	MV TBN VESSEL-PARTICULARS.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe
1604	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MV TBN VESSEL-PARTICULARS.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 1320 MV TBN VESSEL-PARTICULARS.exe
Token: SeDebugPrivilege 1604 msiexec.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1216 Explorer.EXE
1216 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1216 Explorer.EXE
1216 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1320	MV TBN VESSEL-PARTICULARS.exe
Token: SeDebugPrivilege	1604	msiexec.exe

pid	process
1216	Explorer.EXE
1216	Explorer.EXE

pid	process
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

MV TBN VESSEL-PARTICULARS.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 2020 wrote to memory of 1320	2020	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2020 wrote to memory of 1320	2020	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2020 wrote to memory of 1320	2020	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2020 wrote to memory of 1320	2020	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2020 wrote to memory of 1320	2020	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2020 wrote to memory of 1320	2020	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2020 wrote to memory of 1320	2020	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2020 wrote to memory of 1320	2020	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2020 wrote to memory of 1320	2020	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2020 wrote to memory of 1320	2020	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 1216 wrote to memory of 1604	1216	Explorer.EXE	msiexec.exe
PID 1216 wrote to memory of 1604	1216	Explorer.EXE	msiexec.exe
PID 1216 wrote to memory of 1604	1216	Explorer.EXE	msiexec.exe
PID 1216 wrote to memory of 1604	1216	Explorer.EXE	msiexec.exe
PID 1216 wrote to memory of 1604	1216	Explorer.EXE	msiexec.exe
PID 1216 wrote to memory of 1604	1216	Explorer.EXE	msiexec.exe
PID 1216 wrote to memory of 1604	1216	Explorer.EXE	msiexec.exe
PID 1604 wrote to memory of 1500	1604	msiexec.exe	cmd.exe
PID 1604 wrote to memory of 1500	1604	msiexec.exe	cmd.exe
PID 1604 wrote to memory of 1500	1604	msiexec.exe	cmd.exe
PID 1604 wrote to memory of 1500	1604	msiexec.exe	cmd.exe
PID 1604 wrote to memory of 828	1604	msiexec.exe	Firefox.exe
PID 1604 wrote to memory of 828	1604	msiexec.exe	Firefox.exe
PID 1604 wrote to memory of 828	1604	msiexec.exe	Firefox.exe
PID 1604 wrote to memory of 828	1604	msiexec.exe	Firefox.exe
PID 1604 wrote to memory of 828	1604	msiexec.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:1216

C:\Users\Admin\AppData\Local\Temp\MV TBN VESSEL-PARTICULARS.exe
"C:\Users\Admin\AppData\Local\Temp\MV TBN VESSEL-PARTICULARS.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020

C:\Users\Admin\AppData\Local\Temp\MV TBN VESSEL-PARTICULARS.exe
"C:\Users\Admin\AppData\Local\Temp\MV TBN VESSEL-PARTICULARS.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1320

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Blocklisted process makes network request
- Adds Run key to start application
- 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
PID:1604

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\MV TBN VESSEL-PARTICULARS.exe"
3⤵
- Deletes itself
PID:1500

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:828

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

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/1216-65-0x0000000005F90000-0x00000000060B7000-memory.dmp

Filesize
1.2MB

Download
memory/1216-75-0x00000000060C0000-0x000000000622D000-memory.dmp

Filesize
1.4MB

Download
memory/1216-73-0x00000000060C0000-0x000000000622D000-memory.dmp

Filesize
1.4MB

Download
memory/1320-64-0x00000000003D0000-0x00000000003E1000-memory.dmp

Filesize
68KB

Download
memory/1320-60-0x0000000000420330-mapping.dmp

Download
memory/1320-62-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1320-63-0x0000000000CE0000-0x0000000000FE3000-memory.dmp

Filesize
3.0MB

Download
memory/1320-56-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1320-57-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1320-59-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1500-68-0x0000000000000000-mapping.dmp

Download
memory/1604-66-0x0000000000000000-mapping.dmp

Download
memory/1604-69-0x00000000007B0000-0x00000000007C4000-memory.dmp

Filesize
80KB

Download
memory/1604-70-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/1604-71-0x0000000002300000-0x0000000002603000-memory.dmp

Filesize
3.0MB

Download
memory/1604-72-0x00000000007D0000-0x0000000000860000-memory.dmp

Filesize
576KB

Download
memory/1604-74-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/2020-54-0x0000000000C90000-0x0000000000CDA000-memory.dmp

Filesize
296KB

Download
memory/2020-55-0x00000000751A1000-0x00000000751A3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads