formbook | 05cc8314e613ab92484b4cc0cf78ecad96f36d5bfffa8e9bf1188cfb06efa177

General

Target

Ref8810998235 Auto System Generated Order Form 051022.exe
Size

920KB
MD5

7bf0c2ef33695a76ec7cf8b489cef20d
SHA1

0aaced5986e6dd808ce1128233407d6db7331206
SHA256

832ba5363bd145bbcc01871bf79726fe7d4cfe90d9f93d9cca64598887c91d38
SHA512

31fa2a2a84ea1474b0f1182d1f6ca8b687c29a5246bb58941c86604065e8ed8bb7e49ef41ab84b5f41078fe82f384eb87ead21ee527c0091dd06b79f1ad64cce
SSDEEP

12288:oPCJRz6sid7VycOInfQcbD5+6eAPxB4PWbRdxk4ve:qk6/d7VycpnbI6eWxB68de4ve

Score

10^/10

formbook r83r rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

r83r

Decoy

dF1arqf0q8jqGHpo

3s5obdLT/D42OkXYzXA=

MY4GqPg1TNBZiXEkrsyhlycGUN24oOaU

wKsmWEGSmhvRwo4=

jXeqRbgNrXzVBjEkt+Ircn8q8uqLRxB04g==

kWzwCGp3hZyQemHg2Ho=

vlaarHzH3YTtXSLeyQ==

LSNL62SxS36qDZBx

QzB7kGyuEkIf

AFmNF5DlgUzZjArFIxovHKlaz9E74po=

C/cWvSksOW1y2Gdi

5FdJf9GEwRvRwo4=

szFiiGFq8ubjqCPe/ChZC0g=

AWObGX3KVG9bBtWG4Mu5

80uIK32XLmNVA4xryvpajNA0

10WHLY+Nqu3Pkw/cKRD3Y6pVG8jd

kW/9OTF2FgXkki8UJM8K1vSogA0XnQ==

mAtF/lLM2RvRwo4=

VNFX6OUCoH1rU0XYzXA=

qAdGBejjez+ZCfPo0A==

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
7	676	msiexec.exe
8	676	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\International\Geo\Nation	Ref8810998235 Auto System Generated Order Form 051022.exe

Loads dropped DLL 1 IoCs

pid	Process
676	msiexec.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1824 set thread context of 1968	1824	Ref8810998235 Auto System Generated Order Form 051022.exe	27
PID 1968 set thread context of 1216	1968	Ref8810998235 Auto System Generated Order Form 051022.exe	14
PID 1968 set thread context of 1216	1968	Ref8810998235 Auto System Generated Order Form 051022.exe	14
PID 676 set thread context of 1216	676	msiexec.exe	14

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1968	Ref8810998235 Auto System Generated Order Form 051022.exe
1968	Ref8810998235 Auto System Generated Order Form 051022.exe
1968	Ref8810998235 Auto System Generated Order Form 051022.exe
1968	Ref8810998235 Auto System Generated Order Form 051022.exe
1968	Ref8810998235 Auto System Generated Order Form 051022.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
1968	Ref8810998235 Auto System Generated Order Form 051022.exe
1968	Ref8810998235 Auto System Generated Order Form 051022.exe
1968	Ref8810998235 Auto System Generated Order Form 051022.exe
1968	Ref8810998235 Auto System Generated Order Form 051022.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1968	Ref8810998235 Auto System Generated Order Form 051022.exe
Token: SeDebugPrivilege	676	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 1968	1824	Ref8810998235 Auto System Generated Order Form 051022.exe	27
PID 1824 wrote to memory of 1968	1824	Ref8810998235 Auto System Generated Order Form 051022.exe	27
PID 1824 wrote to memory of 1968	1824	Ref8810998235 Auto System Generated Order Form 051022.exe	27
PID 1824 wrote to memory of 1968	1824	Ref8810998235 Auto System Generated Order Form 051022.exe	27
PID 1824 wrote to memory of 1968	1824	Ref8810998235 Auto System Generated Order Form 051022.exe	27
PID 1824 wrote to memory of 1968	1824	Ref8810998235 Auto System Generated Order Form 051022.exe	27
PID 1824 wrote to memory of 1968	1824	Ref8810998235 Auto System Generated Order Form 051022.exe	27
PID 1216 wrote to memory of 676	1216	Explorer.EXE	28
PID 1216 wrote to memory of 676	1216	Explorer.EXE	28
PID 1216 wrote to memory of 676	1216	Explorer.EXE	28
PID 1216 wrote to memory of 676	1216	Explorer.EXE	28
PID 1216 wrote to memory of 676	1216	Explorer.EXE	28
PID 1216 wrote to memory of 676	1216	Explorer.EXE	28
PID 1216 wrote to memory of 676	1216	Explorer.EXE	28
PID 676 wrote to memory of 544	676	msiexec.exe	31
PID 676 wrote to memory of 544	676	msiexec.exe	31
PID 676 wrote to memory of 544	676	msiexec.exe	31
PID 676 wrote to memory of 544	676	msiexec.exe	31
PID 676 wrote to memory of 544	676	msiexec.exe	31

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\Ref8810998235 Auto System Generated Order Form 051022.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref8810998235 Auto System Generated Order Form 051022.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1824
- - C:\Users\Admin\AppData\Local\Temp\Ref8810998235 Auto System Generated Order Form 051022.exe
    "C:\Users\Admin\AppData\Local\Temp\Ref8810998235 Auto System Generated Order Form 051022.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1968
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Blocklisted process makes network request
  - 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:676
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:544

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll

Filesize
890KB

MD5
8402a6aa76d7787ff03943dd129e3d83

SHA1
895338cb761d62930ca93918011fd2cd33d5b30c

SHA256
49ff99d5b24f4f7d5a8ea175f35a6548c74b04e5c621c60121b5088dab19b4eb

SHA512
39bbe90385be35492825929296aae771fb4afb00a1f6a48f0e4ec17bc1097c3a32cea3b22033116c82695e66acbd6c847483a8da21e7302240467b58e39169ea

Download Submit
memory/676-84-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/676-82-0x0000000002070000-0x00000000020FF000-memory.dmp

Filesize
572KB

Download
memory/676-81-0x00000000021C0000-0x00000000024C3000-memory.dmp

Filesize
3.0MB

Download
memory/676-80-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/676-79-0x0000000000410000-0x0000000000424000-memory.dmp

Filesize
80KB

Download
memory/1216-71-0x0000000006590000-0x00000000066B0000-memory.dmp

Filesize
1.1MB

Download
memory/1216-74-0x0000000006BC0000-0x0000000006CDB000-memory.dmp

Filesize
1.1MB

Download
memory/1216-85-0x0000000006CE0000-0x0000000006E0D000-memory.dmp

Filesize
1.2MB

Download
memory/1216-83-0x0000000006CE0000-0x0000000006E0D000-memory.dmp

Filesize
1.2MB

Download
memory/1824-55-0x0000000075571000-0x0000000075573000-memory.dmp

Filesize
8KB

Download
memory/1824-56-0x00000000008F0000-0x000000000090C000-memory.dmp

Filesize
112KB

Download
memory/1824-57-0x0000000000D20000-0x0000000000D2C000-memory.dmp

Filesize
48KB

Download
memory/1824-54-0x0000000000D30000-0x0000000000E16000-memory.dmp

Filesize
920KB

Download
memory/1824-58-0x0000000006100000-0x000000000618E000-memory.dmp

Filesize
568KB

Download
memory/1824-59-0x0000000004430000-0x0000000004464000-memory.dmp

Filesize
208KB

Download
memory/1968-69-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/1968-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1968-76-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1968-77-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1968-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1968-73-0x0000000000440000-0x0000000000450000-memory.dmp

Filesize
64KB

Download
memory/1968-70-0x0000000000070000-0x0000000000080000-memory.dmp

Filesize
64KB

Download
memory/1968-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1968-68-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1968-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1968-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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