formbook | a409bcf88a07c401c4f6f11be261c80b47c2e5ae29338c7ad5de509ff1eefbd8

General

Target

3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe
Size

223KB
MD5

3d7030426830af1ce3e9e06412954688
SHA1

a664885f5f911b3add94b379c7caa8729ca253d0
SHA256

a409bcf88a07c401c4f6f11be261c80b47c2e5ae29338c7ad5de509ff1eefbd8
SHA512

9506362a98b64e17d9b8d00347821933e7711fff12cb4d2d5b79041fba58f10551db9f1c9088d8cd051170fcfb6f5de9631c0aa5a76ff5a15c0c3aaab8e782d8
SSDEEP

6144:UDk3eLcIxMtD67ASSK9xIQF+0jBbFy/Mni+iNHBrCaHl5:x3efMZ6cY9mZuBbFpn1iNHdH

Score

10^/10

formbook go rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.8

Campaign

go

Decoy

florimstone.ltd

cristianspataru.com

allavolontahk.com

theartensembleofchicago.com

caixk.com

themirrorprogram.com

app-santa.com

shamelesssoaps.com

adamsgaragedoorservice.com

modelweekpittsburgh.com

xaoz168.com

aquariumcozumel.com

lightpictureriver.com

uhvum.info

chunail.com

soportetecno.com

airfoilone.info

almaguinscientific.com

kupian.net

periovancedental.net

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2168-21-0x00000000007A0000-0x00000000007CA000-memory.dmp	formbook
behavioral1/memory/2284-29-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/2284-33-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2168 set thread context of 2284	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe	31
PID 2284 set thread context of 1192	2284	vbc.exe	21
PID 2284 set thread context of 1192	2284	vbc.exe	21
PID 2568 set thread context of 1192	2568	NETSTAT.EXE	21

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2568	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe
2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE
2568	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
2568	NETSTAT.EXE
2568	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe
Token: SeDebugPrivilege	2284	vbc.exe
Token: SeDebugPrivilege	2568	NETSTAT.EXE

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 760	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe	28
PID 2168 wrote to memory of 760	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe	28
PID 2168 wrote to memory of 760	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe	28
PID 2168 wrote to memory of 760	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe	28
PID 760 wrote to memory of 2160	760	csc.exe	30
PID 760 wrote to memory of 2160	760	csc.exe	30
PID 760 wrote to memory of 2160	760	csc.exe	30
PID 760 wrote to memory of 2160	760	csc.exe	30
PID 2168 wrote to memory of 2284	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe	31
PID 2168 wrote to memory of 2284	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe	31
PID 2168 wrote to memory of 2284	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe	31
PID 2168 wrote to memory of 2284	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe	31
PID 2168 wrote to memory of 2284	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe	31
PID 2168 wrote to memory of 2284	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe	31
PID 2168 wrote to memory of 2284	2168	3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe	31
PID 1192 wrote to memory of 2568	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2568	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2568	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2568	1192	Explorer.EXE	32
PID 2568 wrote to memory of 2520	2568	NETSTAT.EXE	33
PID 2568 wrote to memory of 2520	2568	NETSTAT.EXE	33
PID 2568 wrote to memory of 2520	2568	NETSTAT.EXE	33
PID 2568 wrote to memory of 2520	2568	NETSTAT.EXE	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3d7030426830af1ce3e9e06412954688_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\qhca1hs1\qhca1hs1.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:760
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES1F05.tmp" "c:\Users\Admin\AppData\Local\Temp\qhca1hs1\CSC53C0417C9BF54F3F89122B6E5013985.TMP"
      4⤵
      PID:2160
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2284
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
    3⤵
    PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

Scripting

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES1F05.tmp

Filesize
1KB

MD5
159870df680b9fe918ba8599c1836864

SHA1
3f958a49a2d63b268d974b68b67a7f73ee6c9621

SHA256
3349d9ddcc641fa28060904abefc7ebe8cf3fd6655f1dac076ed7d8af870cefa

SHA512
dac345967b9ec497e561f12549c6500a88994024d226747f186a222e7552054a3ef5945fd939185c12ac9712b1c6fa885805fd3cb859628a98e81c3d8794ca04

Download Submit
C:\Users\Admin\AppData\Local\Temp\qhca1hs1\qhca1hs1.dll

Filesize
9KB

MD5
8a2f11b8f7fe4087eb6cb4bec569e68e

SHA1
4dee5fdcfb9c1e65b17f36efa873ca954208b2bc

SHA256
ec1e99b9bb8a6e190b23a621597e7c963de2f8206baa867d5152216353a3e81a

SHA512
f3e0d11cdac91fd03d2c55125634cc0386a10765046a1771762855ced69996455c0700af4674483ed3ee3ab790cacf687e470df3c62b64b5b856c0a8f9f8dd4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\qhca1hs1\qhca1hs1.pdb

Filesize
29KB

MD5
fb56b4fadabcba6f1a6c7ee71bb222a5

SHA1
59d1bfd25de1224189d0d4ad84241b53df6ea265

SHA256
ce0f4791c9c40a251d01ed3f600405ae988b97556ae2755c0b452994792ced20

SHA512
c6808aefbca6add7142ab7f8d0a249b75e2fe4536edc02b6845b6477195a263fd94b39d9c0e177be23a858449bcb0eded129d0f217f15440c57d31bb5b301e37

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\qhca1hs1\CSC53C0417C9BF54F3F89122B6E5013985.TMP

Filesize
1KB

MD5
d202a2dd47432448eebe063608c30deb

SHA1
3d243387af3459433eb9cdc28ba598bae5707a54

SHA256
afd2598a519704f7f9b6e6205c9e5298908e88b89bfe9cb77f9ac635d2b1d27b

SHA512
129a24f5f0c4ec5d540479adfa7031457acc867a5e6a7f8e98a2a0c0fe6a8ba152a9ce0c8ec7fc4821b45a4563de50cbdcf1ac4935342cca38f1783e6bac61ec

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\qhca1hs1\qhca1hs1.0.cs

Filesize
10KB

MD5
e47fdad24b231f8d108b657ef13bd7da

SHA1
1e96959956ae8602c7124eb933d15ea7d5b2f5e9

SHA256
07af294f4449dcfd41ae0a99b0f840b0163d2df2f63fdfc59204a6b5c794b176

SHA512
caa3045d7e74bd9fd43fc2804d3b6f23977f140e4ff91d750b21ea347408823a2338eaab1bc00120d79a88e532a97ae3b898fa3d08c3f97f1107a859988f49c2

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\qhca1hs1\qhca1hs1.cmdline

Filesize
248B

MD5
1085906c898c1a87f8177a81d3affccc

SHA1
38f364bfbf631bd197b9683b85b662692567d766

SHA256
be2f06f67baf6ac0c6915afa77111e70ee7506c5e8ecdc919eb76c1e0a60ffde

SHA512
671b191b54104ebde934e050f43e31efe08ae9230ef563526b86c8ddd6ebf115600f04d392f0a777bd160d5a806d530a6235d3b7e74dcc558dc6b1268964d950

Download Submit
memory/1192-30-0x0000000003BB0000-0x0000000003CB0000-memory.dmp

Filesize
1024KB

Download
memory/1192-31-0x0000000004330000-0x00000000043EF000-memory.dmp

Filesize
764KB

Download
memory/1192-42-0x0000000007350000-0x00000000074E0000-memory.dmp

Filesize
1.6MB

Download
memory/1192-34-0x0000000007350000-0x00000000074E0000-memory.dmp

Filesize
1.6MB

Download
memory/2168-20-0x00000000002B0000-0x00000000002BC000-memory.dmp

Filesize
48KB

Download
memory/2168-1-0x0000000000120000-0x000000000015C000-memory.dmp

Filesize
240KB

Download
memory/2168-19-0x00000000008C0000-0x00000000008FA000-memory.dmp

Filesize
232KB

Download
memory/2168-17-0x0000000000280000-0x0000000000288000-memory.dmp

Filesize
32KB

Download
memory/2168-27-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2168-5-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2168-21-0x00000000007A0000-0x00000000007CA000-memory.dmp

Filesize
168KB

Download
memory/2168-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2284-29-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2284-22-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2284-23-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2284-33-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2284-35-0x0000000000430000-0x0000000000497000-memory.dmp

Filesize
412KB

Download
memory/2284-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2568-36-0x0000000000500000-0x0000000000509000-memory.dmp

Filesize
36KB

Download
memory/2568-38-0x0000000000500000-0x0000000000509000-memory.dmp

Filesize
36KB

Download

Analysis

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