formbook | 75487358663f47e70846be7ae195c335bb35cbe469c93503f537e75855082f01

General

Target

DHL Shipment_pdf.exe
Size

253KB
MD5

6c47810c50e5d51c52010f6497b192cc
SHA1

46c1da4c046006d84a306b824e2f9f65a034e389
SHA256

75487358663f47e70846be7ae195c335bb35cbe469c93503f537e75855082f01
SHA512

ab56561a813a1730a63c3d474178d7a0d57394979eb8d5babd98742a3556f4805b88e13c505dbf5169740cc0a3dbffb994b58284d9343f64d835042299e8bbcf
SSDEEP

6144:xBnQPEBXJ9LLlsp1mjwi2OsedFcBzX1GuW5uC1O:8P4Zc1Ow5eTcBbAn5u3

Score

10^/10

formbook olus rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

olus

Decoy

lFwthdzYgacRjF3H

V0HcUpvjRfyxLCVc/Qu1

fVMwe8B1QkymDetjpI9uzecX

QgKu/wmjhaT79V7jTK/HjhUCywqs3TQ=

21I9i5OSAoodam1rOQ==

QCVAvA3e02NvjlzP

khZ3sq8WGuiMAg==

K+U9rwDkZhi7

Uii7NZQ3FCKY+7Agf4JuzecX

nWYwbrNxWOGgJCNc/Qu1

yxFqsrsU9YyQnUJ4pMtHWw==

H+pDjL3qLrqbfeQYPlmASHc2eg==

OKO55xmvnyzvSF1uS5I=

VT4daWvLpsxvjlzP

SaUHe81zYnTzcTZc/Qu1

Df2M0dtCH1sGvxA5Jw==

NAsWerPSMayThrruHxHdjjUqeA==

+Nxhp7kZ4v7L+nvFkI0=

KhEcfId5vUQQezJiSbvWaZrdJmg=

9aEE7WN4555vjlzP

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Executes dropped EXE 2 IoCs

Processes:

vwwufokaj.exevwwufokaj.exe

pid process

744 vwwufokaj.exe
308 vwwufokaj.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:

vwwufokaj.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	vwwufokaj.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 4 IoCs

Processes:

vwwufokaj.exevwwufokaj.execscript.exe

description	pid	process	target process
PID 744 set thread context of 308	744	vwwufokaj.exe	vwwufokaj.exe
PID 308 set thread context of 2080	308	vwwufokaj.exe	Explorer.EXE
PID 308 set thread context of 2080	308	vwwufokaj.exe	Explorer.EXE
PID 3904 set thread context of 2080	3904	cscript.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cscript.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

vwwufokaj.execscript.exe

pid	process
308	vwwufokaj.exe
308	vwwufokaj.exe
308	vwwufokaj.exe
308	vwwufokaj.exe
308	vwwufokaj.exe
308	vwwufokaj.exe
308	vwwufokaj.exe
308	vwwufokaj.exe
308	vwwufokaj.exe
308	vwwufokaj.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2080 Explorer.EXE

pid	process
2080	Explorer.EXE

Suspicious behavior: MapViewOfSection 9 IoCs

Processes:

vwwufokaj.exevwwufokaj.execscript.exe

pid	process
744	vwwufokaj.exe
308	vwwufokaj.exe
308	vwwufokaj.exe
308	vwwufokaj.exe
308	vwwufokaj.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe
3904	cscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vwwufokaj.execscript.exe

description pid process

Token: SeDebugPrivilege 308 vwwufokaj.exe
Token: SeDebugPrivilege 3904 cscript.exe

description	pid	process
Token: SeDebugPrivilege	308	vwwufokaj.exe
Token: SeDebugPrivilege	3904	cscript.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

DHL Shipment_pdf.exevwwufokaj.exeExplorer.EXEvwwufokaj.execscript.exe

description	pid	process	target process
PID 1676 wrote to memory of 744	1676	DHL Shipment_pdf.exe	vwwufokaj.exe
PID 1676 wrote to memory of 744	1676	DHL Shipment_pdf.exe	vwwufokaj.exe
PID 1676 wrote to memory of 744	1676	DHL Shipment_pdf.exe	vwwufokaj.exe
PID 744 wrote to memory of 308	744	vwwufokaj.exe	vwwufokaj.exe
PID 744 wrote to memory of 308	744	vwwufokaj.exe	vwwufokaj.exe
PID 744 wrote to memory of 308	744	vwwufokaj.exe	vwwufokaj.exe
PID 744 wrote to memory of 308	744	vwwufokaj.exe	vwwufokaj.exe
PID 2080 wrote to memory of 3692	2080	Explorer.EXE	msdt.exe
PID 2080 wrote to memory of 3692	2080	Explorer.EXE	msdt.exe
PID 2080 wrote to memory of 3692	2080	Explorer.EXE	msdt.exe
PID 2080 wrote to memory of 3480	2080	Explorer.EXE	netsh.exe
PID 2080 wrote to memory of 3480	2080	Explorer.EXE	netsh.exe
PID 2080 wrote to memory of 3480	2080	Explorer.EXE	netsh.exe
PID 308 wrote to memory of 3904	308	vwwufokaj.exe	cscript.exe
PID 308 wrote to memory of 3904	308	vwwufokaj.exe	cscript.exe
PID 308 wrote to memory of 3904	308	vwwufokaj.exe	cscript.exe
PID 3904 wrote to memory of 816	3904	cscript.exe	Firefox.exe
PID 3904 wrote to memory of 816	3904	cscript.exe	Firefox.exe
PID 3904 wrote to memory of 816	3904	cscript.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2080

C:\Users\Admin\AppData\Local\Temp\DHL Shipment_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Shipment_pdf.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1676

C:\Users\Admin\AppData\Local\Temp\vwwufokaj.exe
"C:\Users\Admin\AppData\Local\Temp\vwwufokaj.exe" C:\Users\Admin\AppData\Local\Temp\pwpwushk.h
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:744

C:\Users\Admin\AppData\Local\Temp\vwwufokaj.exe
"C:\Users\Admin\AppData\Local\Temp\vwwufokaj.exe" C:\Users\Admin\AppData\Local\Temp\pwpwushk.h
4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:308

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
5⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3904

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
6⤵
PID:816

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.exe"
2⤵
PID:3480

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
PID:3692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\pwpwushk.h
Filesize
5KB

MD5
2be139593e0b3fadf40d783a5a82e4fe

SHA1
78f5fe723b55100566cf7c13870262df7074a137

SHA256
14f4254ad6ded053edb5cf633ac3d9ae6cba67eac00cb007b0bb84cdb50333f5

SHA512
6938c2db0dc7e2041cc4e45b2b5a521ff9a2181f9934d9ae3984b8fdb688cef4b7b5a45a4f53f6f62383cf94657cdd260c71b82b58dd4a06f7203b2417c3df69

Download Submit
C:\Users\Admin\AppData\Local\Temp\vwwufokaj.exe
Filesize
46KB

MD5
27541d5316db05b650ab973fd2aec842

SHA1
ec706f8d9bced58fff747022891c64b6a2148d2f

SHA256
720ea640a85baea2835b01c5a6819dd7a129f97e5d4049b63f07b4e007eb8298

SHA512
ad0e19c92fd8f8e4025ae82a2b3caf89501f2a8e3073c910bf100a8a3c06fb1f62ea955e92dab23350ab7f92420c704740c2baba8782a923b7025f93b06dab73

Download Submit
C:\Users\Admin\AppData\Local\Temp\vwwufokaj.exe
Filesize
46KB

MD5
27541d5316db05b650ab973fd2aec842

SHA1
ec706f8d9bced58fff747022891c64b6a2148d2f

SHA256
720ea640a85baea2835b01c5a6819dd7a129f97e5d4049b63f07b4e007eb8298

SHA512
ad0e19c92fd8f8e4025ae82a2b3caf89501f2a8e3073c910bf100a8a3c06fb1f62ea955e92dab23350ab7f92420c704740c2baba8782a923b7025f93b06dab73

Download Submit
C:\Users\Admin\AppData\Local\Temp\vwwufokaj.exe
Filesize
46KB

MD5
27541d5316db05b650ab973fd2aec842

SHA1
ec706f8d9bced58fff747022891c64b6a2148d2f

SHA256
720ea640a85baea2835b01c5a6819dd7a129f97e5d4049b63f07b4e007eb8298

SHA512
ad0e19c92fd8f8e4025ae82a2b3caf89501f2a8e3073c910bf100a8a3c06fb1f62ea955e92dab23350ab7f92420c704740c2baba8782a923b7025f93b06dab73

Download Submit
C:\Users\Admin\AppData\Local\Temp\xkypvuq.ifm
Filesize
185KB

MD5
f3a22ba1cff1d318f4c25580b7976980

SHA1
e7a12c3c666f36ee7b3417ca4800b8a5463e39a7

SHA256
58eb30235dea07294d733f1da23c47726bf0195cea4cd271096205bbb348715f

SHA512
efd1e1ff8269bdf0fddd020a536e9f26d58d331348b3b9763803069f3213aa5b6f913697735dc3cc0ffad49f666eaf3b2a261e0e874d19805ffb3483a32cb68f

Download Submit
memory/308-142-0x0000000000AA0000-0x0000000000AB0000-memory.dmp

Filesize
64KB

Download
memory/308-144-0x00000000026B0000-0x00000000026C0000-memory.dmp

Filesize
64KB

Download
memory/308-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/308-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/308-141-0x0000000000B00000-0x0000000000E4A000-memory.dmp

Filesize
3.3MB

Download
memory/308-137-0x0000000000000000-mapping.dmp

Download
memory/308-146-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/744-132-0x0000000000000000-mapping.dmp

Download
memory/2080-145-0x0000000008860000-0x0000000008920000-memory.dmp

Filesize
768KB

Download
memory/2080-143-0x0000000008780000-0x0000000008859000-memory.dmp

Filesize
868KB

Download
memory/2080-153-0x00000000030A0000-0x000000000317D000-memory.dmp

Filesize
884KB

Download
memory/2080-154-0x00000000030A0000-0x000000000317D000-memory.dmp

Filesize
884KB

Download
memory/3904-147-0x0000000000000000-mapping.dmp

Download
memory/3904-149-0x0000000000410000-0x000000000043D000-memory.dmp

Filesize
180KB

Download
memory/3904-148-0x0000000000460000-0x0000000000487000-memory.dmp

Filesize
156KB

Download
memory/3904-150-0x00000000026C0000-0x0000000002A0A000-memory.dmp

Filesize
3.3MB

Download
memory/3904-151-0x0000000000410000-0x000000000043D000-memory.dmp

Filesize
180KB

Download
memory/3904-152-0x0000000002510000-0x000000000259F000-memory.dmp

Filesize
572KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads