formbook | a0a6a1c54775713ad3e884b6bc49f2c74f393464a69175c8713221504ae6d72a

Analysis

max time kernel
154s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
15/11/2023, 17:03

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General

Target

NEAS.a0a6a1c54775713ad3e884b6bc49f2c74f393464a69175c8713221504ae6d72a.exe
Size

342KB
MD5

07ea9abe8aeda1c72f42967c7d9f475a
SHA1

5f495b957acc693e5019ee2ccb5a1f458286f67f
SHA256

a0a6a1c54775713ad3e884b6bc49f2c74f393464a69175c8713221504ae6d72a
SHA512

8cbdfc199506f980e282b93691bcf97b09d1d0617e9a533785a67f54e2ed267e0a957181deea3d958b46c48058531004a99456790cb1f24ba7455e9186fa2e53
SSDEEP

6144:wBlL/90OO8k3NWzK22YTzxAdhlpOxWe+mJ/0u4p6+zTV28BkvTXR:C/0Oe3NWh2dhoWG/0u4s+fyXR

Score

10^/10

formbook fs35 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fs35

Decoy

latechdz.com

sdp-ploce.com

ss203.site

sm6yuy.net

needstothink.com

heginstwp.com

blueplumespirit.com

vemconferirshop.click

yorent-auto.com

eleononaly.com

medicalspacelocators.com

7law.info

imacanberra.online

bbtyss.top

onlyanfans.com

varenty.com

fappies.shop

313865.com

hongpools.com

babkacuisine.xyz

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/208-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/208-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/216-21-0x00000000008A0000-0x00000000008CF000-memory.dmp	formbook
behavioral2/memory/216-23-0x00000000008A0000-0x00000000008CF000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
4728	lqhpvxmtbn.exe
208	lqhpvxmtbn.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4728 set thread context of 208	4728	lqhpvxmtbn.exe	90
PID 208 set thread context of 3120	208	lqhpvxmtbn.exe	42
PID 216 set thread context of 3120	216	msiexec.exe	42

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

System Information Discovery
T1082

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
208	lqhpvxmtbn.exe
208	lqhpvxmtbn.exe
208	lqhpvxmtbn.exe
208	lqhpvxmtbn.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe
216	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3120	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4728	lqhpvxmtbn.exe
208	lqhpvxmtbn.exe
208	lqhpvxmtbn.exe
208	lqhpvxmtbn.exe
216	msiexec.exe
216	msiexec.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	208	lqhpvxmtbn.exe
Token: SeDebugPrivilege	216	msiexec.exe
Token: SeShutdownPrivilege	3120	Explorer.EXE
Token: SeCreatePagefilePrivilege	3120	Explorer.EXE
Token: SeShutdownPrivilege	3120	Explorer.EXE
Token: SeCreatePagefilePrivilege	3120	Explorer.EXE
Token: SeShutdownPrivilege	3120	Explorer.EXE
Token: SeCreatePagefilePrivilege	3120	Explorer.EXE
Token: SeShutdownPrivilege	3120	Explorer.EXE
Token: SeCreatePagefilePrivilege	3120	Explorer.EXE
Token: SeManageVolumePrivilege	2100	svchost.exe
Token: SeShutdownPrivilege	3120	Explorer.EXE
Token: SeCreatePagefilePrivilege	3120	Explorer.EXE
Token: SeShutdownPrivilege	3120	Explorer.EXE
Token: SeCreatePagefilePrivilege	3120	Explorer.EXE
Token: SeShutdownPrivilege	3120	Explorer.EXE
Token: SeCreatePagefilePrivilege	3120	Explorer.EXE
Token: SeShutdownPrivilege	3120	Explorer.EXE
Token: SeCreatePagefilePrivilege	3120	Explorer.EXE
Token: SeShutdownPrivilege	3120	Explorer.EXE
Token: SeCreatePagefilePrivilege	3120	Explorer.EXE
Token: SeShutdownPrivilege	3120	Explorer.EXE
Token: SeCreatePagefilePrivilege	3120	Explorer.EXE
Token: SeShutdownPrivilege	3120	Explorer.EXE
Token: SeCreatePagefilePrivilege	3120	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3120	Explorer.EXE
3120	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3120	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 4728	2448	NEAS.a0a6a1c54775713ad3e884b6bc49f2c74f393464a69175c8713221504ae6d72a.exe	88
PID 2448 wrote to memory of 4728	2448	NEAS.a0a6a1c54775713ad3e884b6bc49f2c74f393464a69175c8713221504ae6d72a.exe	88
PID 2448 wrote to memory of 4728	2448	NEAS.a0a6a1c54775713ad3e884b6bc49f2c74f393464a69175c8713221504ae6d72a.exe	88
PID 4728 wrote to memory of 208	4728	lqhpvxmtbn.exe	90
PID 4728 wrote to memory of 208	4728	lqhpvxmtbn.exe	90
PID 4728 wrote to memory of 208	4728	lqhpvxmtbn.exe	90
PID 4728 wrote to memory of 208	4728	lqhpvxmtbn.exe	90
PID 3120 wrote to memory of 216	3120	Explorer.EXE	93
PID 3120 wrote to memory of 216	3120	Explorer.EXE	93
PID 3120 wrote to memory of 216	3120	Explorer.EXE	93
PID 216 wrote to memory of 4596	216	msiexec.exe	99
PID 216 wrote to memory of 4596	216	msiexec.exe	99
PID 216 wrote to memory of 4596	216	msiexec.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3120
- C:\Users\Admin\AppData\Local\Temp\NEAS.a0a6a1c54775713ad3e884b6bc49f2c74f393464a69175c8713221504ae6d72a.exe
  "C:\Users\Admin\AppData\Local\Temp\NEAS.a0a6a1c54775713ad3e884b6bc49f2c74f393464a69175c8713221504ae6d72a.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2448
- - C:\Users\Admin\AppData\Local\Temp\lqhpvxmtbn.exe
    "C:\Users\Admin\AppData\Local\Temp\lqhpvxmtbn.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:4728
  - - C:\Users\Admin\AppData\Local\Temp\lqhpvxmtbn.exe
      "C:\Users\Admin\AppData\Local\Temp\lqhpvxmtbn.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:208
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2056
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3692
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\lqhpvxmtbn.exe"
    3⤵
    PID:4596

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:1208

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

Filesize
16KB

MD5
036699749dbc4d9ee16693d97e885cbc

SHA1
857a9a87bb7057733922c8e64dce6b656e41a611

SHA256
2e79408d5870d56d7d14856ea7008920388e91f5493ebb8aaa0dd0a1958cfdf7

SHA512
c23aa658b4327d5fbb10d9f4dc8fba4c6570550c12a693dcde70addf508906040e5d8f8a4077a4e0bf15b6fd3e386066ad8bb73a9252220790009b1ca00311a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\lqhpvxmtbn.exe

Filesize
259KB

MD5
59d3466cb62ce44599445f169be90a8b

SHA1
fbc781048b2a66f62534cbf4b34a3574f4b17509

SHA256
0db8d28e0ef57e82a3dfe1b19a95ae245e53a72f43546f01d19e074055018c3a

SHA512
a3682fece2fd39865d64094ab1b831ab132ca088ac03954a09e71f4b2e1f1f003281b2d2e7b5c1f82009d778bbe56de180f0599dae71ae0774bbae5d2b19cd0d

Download Submit
C:\Users\Admin\AppData\Local\Temp\lqhpvxmtbn.exe

Filesize
259KB

MD5
59d3466cb62ce44599445f169be90a8b

SHA1
fbc781048b2a66f62534cbf4b34a3574f4b17509

SHA256
0db8d28e0ef57e82a3dfe1b19a95ae245e53a72f43546f01d19e074055018c3a

SHA512
a3682fece2fd39865d64094ab1b831ab132ca088ac03954a09e71f4b2e1f1f003281b2d2e7b5c1f82009d778bbe56de180f0599dae71ae0774bbae5d2b19cd0d

Download Submit
C:\Users\Admin\AppData\Local\Temp\lqhpvxmtbn.exe

Filesize
259KB

MD5
59d3466cb62ce44599445f169be90a8b

SHA1
fbc781048b2a66f62534cbf4b34a3574f4b17509

SHA256
0db8d28e0ef57e82a3dfe1b19a95ae245e53a72f43546f01d19e074055018c3a

SHA512
a3682fece2fd39865d64094ab1b831ab132ca088ac03954a09e71f4b2e1f1f003281b2d2e7b5c1f82009d778bbe56de180f0599dae71ae0774bbae5d2b19cd0d

Download Submit
C:\Users\Admin\AppData\Local\Temp\zlgoeggba.f

Filesize
205KB

MD5
239f1ff96b0e979869e96c0b16b96196

SHA1
870933b2120c8a592648524a56d8b3a81871b0fa

SHA256
f60e2fb571c7a63cfe803c04c96afa011f04ff0767d78f1f10694ad96d017ea7

SHA512
7e03d69fb7b1138c4226313249536b3ddb13374dae458b76c805919d03137dcd1c74fbfa1fad925c0e1dabaa9bf267701b6033485b9ed0620b2d7958bf8584f7

Download Submit
memory/208-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/208-9-0x0000000000A90000-0x0000000000DDA000-memory.dmp

Filesize
3.3MB

Download
memory/208-12-0x00000000005C0000-0x00000000005D5000-memory.dmp

Filesize
84KB

Download
memory/208-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/216-16-0x0000000000B60000-0x0000000000B72000-memory.dmp

Filesize
72KB

Download
memory/216-18-0x0000000000B60000-0x0000000000B72000-memory.dmp

Filesize
72KB

Download
memory/216-20-0x0000000000B60000-0x0000000000B72000-memory.dmp

Filesize
72KB

Download
memory/216-21-0x00000000008A0000-0x00000000008CF000-memory.dmp

Filesize
188KB

Download
memory/216-22-0x00000000028E0000-0x0000000002C2A000-memory.dmp

Filesize
3.3MB

Download
memory/216-23-0x00000000008A0000-0x00000000008CF000-memory.dmp

Filesize
188KB

Download
memory/216-25-0x0000000002620000-0x00000000026B4000-memory.dmp

Filesize
592KB

Download
memory/2100-98-0x000001801DC40000-0x000001801DC50000-memory.dmp

Filesize
64KB

Download
memory/3120-58-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-73-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-27-0x0000000008DD0000-0x0000000008EE8000-memory.dmp

Filesize
1.1MB

Download
memory/3120-28-0x0000000008FC0000-0x00000000090DC000-memory.dmp

Filesize
1.1MB

Download
memory/3120-29-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-31-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-32-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-33-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-34-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-36-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-38-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-37-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-40-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-39-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-41-0x00000000031C0000-0x00000000031D0000-memory.dmp

Filesize
64KB

Download
memory/3120-42-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-44-0x0000000008FC0000-0x00000000090DC000-memory.dmp

Filesize
1.1MB

Download
memory/3120-43-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-46-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-48-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-50-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-51-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-53-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-55-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-57-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-13-0x0000000008DD0000-0x0000000008EE8000-memory.dmp

Filesize
1.1MB

Download
memory/3120-59-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-60-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-66-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-67-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-68-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-69-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-70-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-71-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-75-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-26-0x0000000008FC0000-0x00000000090DC000-memory.dmp

Filesize
1.1MB

Download
memory/3120-77-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-76-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-78-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-79-0x0000000001330000-0x0000000001340000-memory.dmp

Filesize
64KB

Download
memory/3120-81-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-82-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-84-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-80-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-85-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-87-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-86-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-89-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-91-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-88-0x0000000001330000-0x0000000001340000-memory.dmp

Filesize
64KB

Download
memory/3120-93-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-95-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-92-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-96-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-168-0x0000000001330000-0x0000000001340000-memory.dmp

Filesize
64KB

Download
memory/3120-176-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-177-0x00000000030E0000-0x00000000030F0000-memory.dmp

Filesize
64KB

Download
memory/3120-179-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-182-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-186-0x00000000030E0000-0x00000000030F0000-memory.dmp

Filesize
64KB

Download
memory/3120-185-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-184-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-188-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-189-0x00000000030E0000-0x00000000030F0000-memory.dmp

Filesize
64KB

Download
memory/3120-195-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-196-0x00000000030E0000-0x00000000030F0000-memory.dmp

Filesize
64KB

Download
memory/3120-199-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3120-201-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

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memory/3120-203-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

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memory/4728-5-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

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