formbook | 33871b3b4e871618dadc1d16e1746fb3dfbb48af88a0b7ed20d9460c0fac40ea

General

Target

November Statement of Account.PDF.exe
Size

339KB
MD5

11af3f8a0cdee232a31e780607313127
SHA1

559b909a727f354a9bd558d55516c255fc42cba3
SHA256

33871b3b4e871618dadc1d16e1746fb3dfbb48af88a0b7ed20d9460c0fac40ea
SHA512

d5498164fb09c3f774056f14674c03ebedb769616fbcf0aa0d663a53672e10e0aade7194effdc76eb2bef315bf687134f3bfbdae5147d900d884634323b077d7
SSDEEP

6144:9kwsWb9o1co70snIJaLfMdUQB4/srymmOTLQiRwE6Qcpwizt7tfxikCtxLJHQBFo:oWbacOIJaAdTaUrymHQiHNSwYFtZfeLD

Score

10^/10

formbook 0rft rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

0rft

Decoy

ouhzmTAhN++kgdVvcoAL+ukx7FI=

b/AAsl7j+poCqvsdhQ==

geqhPAMFrNJcHSaYr8Lk

P8N3+6G7Ut/X8wc3

t/OMzJS7R93X8wc3

VwX08ydDu1/ynVc2h/2WBUKHbA==

+ekVLl+umTTBqvsdhQ==

Vcaa12iRzI3+qvsdhQ==

dDIqvVJ9I8ah7fw/Xd4=

p6Xf5u8jI0hYw8hkX9fyQMciqgvG

erJhSR5/Nmn3qvsdhQ==

STdhWvnj9qxWHJ+aQMY=

wMotTfVO6w67i3T9UHemYQ==

ERs8NVCBapjX8wc3

OfIIrnWzp9LjSR+Setj6PqYCng7M

vnh5JHz4WxNQ

iQLl01OIh7/eoT9gABSsdg==

K7Z0BcT7mTuWc3e6U7eHty7YlHt0Qw==

kEJBNFGFf16ie70=

qibJ119LdV6ie70=

Signatures

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

Processes:

iyikesvwc.exeiyikesvwc.exe

pid process

4804 iyikesvwc.exe
976 iyikesvwc.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:

iyikesvwc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	iyikesvwc.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

iyikesvwc.exeiyikesvwc.exemsiexec.exe

description	pid	process	target process
PID 4804 set thread context of 976	4804	iyikesvwc.exe	iyikesvwc.exe
PID 976 set thread context of 2548	976	iyikesvwc.exe	Explorer.EXE
PID 976 set thread context of 2548	976	iyikesvwc.exe	Explorer.EXE
PID 1784 set thread context of 2548	1784	msiexec.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:

msiexec.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

iyikesvwc.exemsiexec.exe

pid	process
976	iyikesvwc.exe
976	iyikesvwc.exe
976	iyikesvwc.exe
976	iyikesvwc.exe
976	iyikesvwc.exe
976	iyikesvwc.exe
976	iyikesvwc.exe
976	iyikesvwc.exe
976	iyikesvwc.exe
976	iyikesvwc.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2548 Explorer.EXE

pid	process
2548	Explorer.EXE

Suspicious behavior: MapViewOfSection 9 IoCs

Processes:

iyikesvwc.exeiyikesvwc.exemsiexec.exe

pid	process
4804	iyikesvwc.exe
976	iyikesvwc.exe
976	iyikesvwc.exe
976	iyikesvwc.exe
976	iyikesvwc.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe
1784	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

iyikesvwc.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 976 iyikesvwc.exe
Token: SeDebugPrivilege 1784 msiexec.exe

description	pid	process
Token: SeDebugPrivilege	976	iyikesvwc.exe
Token: SeDebugPrivilege	1784	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

November Statement of Account.PDF.exeiyikesvwc.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 4996 wrote to memory of 4804	4996	November Statement of Account.PDF.exe	iyikesvwc.exe
PID 4996 wrote to memory of 4804	4996	November Statement of Account.PDF.exe	iyikesvwc.exe
PID 4996 wrote to memory of 4804	4996	November Statement of Account.PDF.exe	iyikesvwc.exe
PID 4804 wrote to memory of 976	4804	iyikesvwc.exe	iyikesvwc.exe
PID 4804 wrote to memory of 976	4804	iyikesvwc.exe	iyikesvwc.exe
PID 4804 wrote to memory of 976	4804	iyikesvwc.exe	iyikesvwc.exe
PID 4804 wrote to memory of 976	4804	iyikesvwc.exe	iyikesvwc.exe
PID 2548 wrote to memory of 1784	2548	Explorer.EXE	msiexec.exe
PID 2548 wrote to memory of 1784	2548	Explorer.EXE	msiexec.exe
PID 2548 wrote to memory of 1784	2548	Explorer.EXE	msiexec.exe
PID 1784 wrote to memory of 1512	1784	msiexec.exe	Firefox.exe
PID 1784 wrote to memory of 1512	1784	msiexec.exe	Firefox.exe
PID 1784 wrote to memory of 1512	1784	msiexec.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\November Statement of Account.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\November Statement of Account.PDF.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4996
- - C:\Users\Admin\AppData\Local\Temp\iyikesvwc.exe
    "C:\Users\Admin\AppData\Local\Temp\iyikesvwc.exe" C:\Users\Admin\AppData\Local\Temp\gzvsvwwyuf.v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:4804
  - - C:\Users\Admin\AppData\Local\Temp\iyikesvwc.exe
      "C:\Users\Admin\AppData\Local\Temp\iyikesvwc.exe"
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:976
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1512

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\gzvsvwwyuf.v

Filesize
5KB

MD5
2d6982686a157aabddb568667b4cf793

SHA1
3f29ad912774bd0a9ef028ea5921a07b130b0ad2

SHA256
df0905166a347a00ee45ef98cff6773b1a3c5fc9b794e6cf49e6b61efd1c089c

SHA512
9660a7ec109035dba370aaf944b79336c59c849c1d159b320471902584761455fb81f9d744be3e84d125536f043272cd7d3182f044fc8016db8befd634dcf884

Download Submit
C:\Users\Admin\AppData\Local\Temp\itnhcltr.ug

Filesize
185KB

MD5
63984b3ee5302fe075ece9c0c3a60ae5

SHA1
6260ab5b42e975c45af3b55dd8acea33c3c86167

SHA256
42a1f853149a8b37feb42c8e18c0506a8f7a43965377509507f9bcfc8b47d59a

SHA512
f7e5b18acb035f174618134968a74272ee5e241257c3e017cd35020f64906fdef95277c2a9a360da8245f41febd2427563603af83dfb029dfa1e75c9a865f610

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

Filesize
289KB

MD5
490db3fe40ec4b47f561d5d9d337af61

SHA1
2f2883d6461e5543d844e3acbca220a9a8e8dff7

SHA256
a7f55c7e2dbd896c6db788f97f734b1061f670c927096899a77bc623facfabd1

SHA512
6a14eb4ba4779f85802f6d671a592d386911a41e1b48baf1039e21f8050bc5f0be033beb833d70a9fa15bf2c405e50464a041741ce624b8a9e903efca448b1cf

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

Filesize
289KB

MD5
490db3fe40ec4b47f561d5d9d337af61

SHA1
2f2883d6461e5543d844e3acbca220a9a8e8dff7

SHA256
a7f55c7e2dbd896c6db788f97f734b1061f670c927096899a77bc623facfabd1

SHA512
6a14eb4ba4779f85802f6d671a592d386911a41e1b48baf1039e21f8050bc5f0be033beb833d70a9fa15bf2c405e50464a041741ce624b8a9e903efca448b1cf

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

Filesize
289KB

MD5
490db3fe40ec4b47f561d5d9d337af61

SHA1
2f2883d6461e5543d844e3acbca220a9a8e8dff7

SHA256
a7f55c7e2dbd896c6db788f97f734b1061f670c927096899a77bc623facfabd1

SHA512
6a14eb4ba4779f85802f6d671a592d386911a41e1b48baf1039e21f8050bc5f0be033beb833d70a9fa15bf2c405e50464a041741ce624b8a9e903efca448b1cf

Download Submit
memory/976-144-0x00000000014D0000-0x00000000014E0000-memory.dmp

Filesize
64KB

Download
memory/976-137-0x0000000000000000-mapping.dmp

Download
memory/976-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/976-140-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/976-141-0x0000000001830000-0x0000000001B7A000-memory.dmp

Filesize
3.3MB

Download
memory/976-142-0x0000000001360000-0x0000000001370000-memory.dmp

Filesize
64KB

Download
memory/976-148-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/976-147-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1784-146-0x0000000000000000-mapping.dmp

Download
memory/1784-150-0x00000000012D0000-0x00000000012FD000-memory.dmp

Filesize
180KB

Download
memory/1784-149-0x0000000000FA0000-0x0000000000FB2000-memory.dmp

Filesize
72KB

Download
memory/1784-151-0x0000000003170000-0x00000000034BA000-memory.dmp

Filesize
3.3MB

Download
memory/1784-152-0x0000000003010000-0x000000000309F000-memory.dmp

Filesize
572KB

Download
memory/1784-154-0x00000000012D0000-0x00000000012FD000-memory.dmp

Filesize
180KB

Download
memory/2548-145-0x0000000008C10000-0x0000000008D9A000-memory.dmp

Filesize
1.5MB

Download
memory/2548-143-0x00000000087C0000-0x0000000008944000-memory.dmp

Filesize
1.5MB

Download
memory/2548-153-0x0000000008690000-0x0000000008734000-memory.dmp

Filesize
656KB

Download
memory/2548-155-0x0000000008690000-0x0000000008734000-memory.dmp

Filesize
656KB

Download
memory/4804-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads