formbook | 3ab9378862ed7e3a174d4b022ed8b38eb0838d24ea2b6543be055552633e50b9

General

Target

MV ARM TBN - VESSEL PARTICULARS.exe
Size

247KB
MD5

6d0fd8a2f7410163581e6013d06336bf
SHA1

28a2160869dce2cb8623877c6beafa82f019fe37
SHA256

3ab9378862ed7e3a174d4b022ed8b38eb0838d24ea2b6543be055552633e50b9
SHA512

636bbc44ac34ebe539c9b269d3ef285b99c9da1a47ba8a188da8c848c6f5473f58ec4689bd76cba09eee46104b1e3e323a876c01b392b0ec9ebc7e37a3138853
SSDEEP

6144:UYMY+RpZxFZ8Es0cDemuioWg4Dh9KUax4UK3se6Yt+vp57aXrQKBwH:yosUlN36EqkJ8

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

Adds policy 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\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\J0HXNX2HU68 = "C:\\Program Files (x86)\\Obdd\\mscff.exe"	msiexec.exe

Blocklisted process makes network request 3 IoCs

Processes:

msiexec.exe

flow pid process

21 1716 msiexec.exe
23 1716 msiexec.exe
24 1716 msiexec.exe

flow	pid	process
21	1716	msiexec.exe
23	1716	msiexec.exe
24	1716	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 ARM TBN - VESSEL PARTICULARS.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Control Panel\International\Geo\Nation	MV ARM TBN - VESSEL PARTICULARS.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

564 cmd.exe

pid	process
564	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

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

description	pid	process	target process
PID 1404 set thread context of 1460	1404	MV ARM TBN - VESSEL PARTICULARS.exe	MV ARM TBN - VESSEL PARTICULARS.exe
PID 1460 set thread context of 1236	1460	MV ARM TBN - VESSEL PARTICULARS.exe	Explorer.EXE
PID 1716 set thread context of 1236	1716	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)\Obdd\mscff.exe msiexec.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Obdd\mscff.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-1-5-21-1214520366-621468234-4062160515-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

MV ARM TBN - VESSEL PARTICULARS.exemsiexec.exe

pid	process
1460	MV ARM TBN - VESSEL PARTICULARS.exe
1460	MV ARM TBN - VESSEL PARTICULARS.exe
1460	MV ARM TBN - VESSEL PARTICULARS.exe
1460	MV ARM TBN - VESSEL PARTICULARS.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1236 Explorer.EXE

pid	process
1236	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

MV ARM TBN - VESSEL PARTICULARS.exemsiexec.exe

pid	process
1460	MV ARM TBN - VESSEL PARTICULARS.exe
1460	MV ARM TBN - VESSEL PARTICULARS.exe
1460	MV ARM TBN - VESSEL PARTICULARS.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe
1716	msiexec.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

MV ARM TBN - VESSEL PARTICULARS.exemsiexec.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1460	MV ARM TBN - VESSEL PARTICULARS.exe
Token: SeDebugPrivilege	1716	msiexec.exe
Token: SeShutdownPrivilege	1236	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1236 Explorer.EXE
1236 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1236 Explorer.EXE
1236 Explorer.EXE

pid	process
1236	Explorer.EXE
1236	Explorer.EXE

pid	process
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

MV ARM TBN - VESSEL PARTICULARS.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 1404 wrote to memory of 1460	1404	MV ARM TBN - VESSEL PARTICULARS.exe	MV ARM TBN - VESSEL PARTICULARS.exe
PID 1404 wrote to memory of 1460	1404	MV ARM TBN - VESSEL PARTICULARS.exe	MV ARM TBN - VESSEL PARTICULARS.exe
PID 1404 wrote to memory of 1460	1404	MV ARM TBN - VESSEL PARTICULARS.exe	MV ARM TBN - VESSEL PARTICULARS.exe
PID 1404 wrote to memory of 1460	1404	MV ARM TBN - VESSEL PARTICULARS.exe	MV ARM TBN - VESSEL PARTICULARS.exe
PID 1404 wrote to memory of 1460	1404	MV ARM TBN - VESSEL PARTICULARS.exe	MV ARM TBN - VESSEL PARTICULARS.exe
PID 1404 wrote to memory of 1460	1404	MV ARM TBN - VESSEL PARTICULARS.exe	MV ARM TBN - VESSEL PARTICULARS.exe
PID 1404 wrote to memory of 1460	1404	MV ARM TBN - VESSEL PARTICULARS.exe	MV ARM TBN - VESSEL PARTICULARS.exe
PID 1236 wrote to memory of 1716	1236	Explorer.EXE	msiexec.exe
PID 1236 wrote to memory of 1716	1236	Explorer.EXE	msiexec.exe
PID 1236 wrote to memory of 1716	1236	Explorer.EXE	msiexec.exe
PID 1236 wrote to memory of 1716	1236	Explorer.EXE	msiexec.exe
PID 1236 wrote to memory of 1716	1236	Explorer.EXE	msiexec.exe
PID 1236 wrote to memory of 1716	1236	Explorer.EXE	msiexec.exe
PID 1236 wrote to memory of 1716	1236	Explorer.EXE	msiexec.exe
PID 1716 wrote to memory of 564	1716	msiexec.exe	cmd.exe
PID 1716 wrote to memory of 564	1716	msiexec.exe	cmd.exe
PID 1716 wrote to memory of 564	1716	msiexec.exe	cmd.exe
PID 1716 wrote to memory of 564	1716	msiexec.exe	cmd.exe
PID 1716 wrote to memory of 388	1716	msiexec.exe	Firefox.exe
PID 1716 wrote to memory of 388	1716	msiexec.exe	Firefox.exe
PID 1716 wrote to memory of 388	1716	msiexec.exe	Firefox.exe
PID 1716 wrote to memory of 388	1716	msiexec.exe	Firefox.exe
PID 1716 wrote to memory of 388	1716	msiexec.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1236

C:\Users\Admin\AppData\Local\Temp\MV ARM TBN - VESSEL PARTICULARS.exe
"C:\Users\Admin\AppData\Local\Temp\MV ARM TBN - VESSEL PARTICULARS.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1404

C:\Users\Admin\AppData\Local\Temp\MV ARM TBN - VESSEL PARTICULARS.exe
"C:\Users\Admin\AppData\Local\Temp\MV ARM TBN - VESSEL PARTICULARS.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1460

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.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
PID:1716

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\MV ARM TBN - VESSEL PARTICULARS.exe"
3⤵
- Deletes itself
PID:564

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:388

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/564-68-0x0000000000000000-mapping.dmp

Download
memory/1236-65-0x0000000007290000-0x000000000742E000-memory.dmp

Filesize
1.6MB

Download
memory/1236-75-0x0000000007540000-0x0000000007670000-memory.dmp

Filesize
1.2MB

Download
memory/1236-73-0x0000000007540000-0x0000000007670000-memory.dmp

Filesize
1.2MB

Download
memory/1404-55-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1404-54-0x00000000001B0000-0x00000000001F4000-memory.dmp

Filesize
272KB

Download
memory/1460-60-0x0000000000420330-mapping.dmp

Download
memory/1460-64-0x0000000000170000-0x0000000000181000-memory.dmp

Filesize
68KB

Download
memory/1460-63-0x0000000000A10000-0x0000000000D13000-memory.dmp

Filesize
3.0MB

Download
memory/1460-61-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1460-57-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1460-56-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1716-66-0x0000000000000000-mapping.dmp

Download
memory/1716-69-0x00000000007D0000-0x00000000007E4000-memory.dmp

Filesize
80KB

Download
memory/1716-70-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/1716-71-0x00000000021A0000-0x00000000024A3000-memory.dmp

Filesize
3.0MB

Download
memory/1716-72-0x0000000001F40000-0x0000000001FD0000-memory.dmp

Filesize
576KB

Download
memory/1716-74-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads