formbook | 5ef60b3981c6f69e4dc216f6dc71c4f43a918b625f6a3d9bfbce2067016ddfa7

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2022, 10:39

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General

Target
SOCHIDEXPO_PDF.EXE.exe
Size 302KB
Sample221010-mpymmsbeb5
SHA256 5ef60b3981c6f69e4dc216f6dc71c4f43a918b625f6a3d9bfbce2067016ddfa7
MD5 0944d13b16324a1d31ecf6fc3fb5fbca
SHA1 0780a909530af3f525d6d99f4c39513d44f37dda
SHA512 3aeec7aa240fc1ba966ceb07563e23546583da7ea03e16835eb3d43d1d501ac0443d872c3e25fee079cf9b7a515e0f88c9777caa87fc5693262dceed466301bd
SSDEEP 6144:kNeZ/jRjjvwgj1Hlaocbh1UKZtIMFZwFr9BvlnYzmNf0:kNsjRXYt11Jt0FpBvlnYws
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook xloader i3tw loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

i3tw

Decoy

016XYOaa546POq6CaRVpEfQ=
6WCLUcRz6K7qTqIK
bIa/9uWTepQa6eQd
32urdxWXgrknUIeDYktb
EojfLVA0GyB2mYgMgzdT
jFbHYJhPwpebnHjAY0pZ
gxSusEwA30uVtrErCrQ=
EeJOmOn63OaCHIw=
r3K0jTvKtOR4EV3q1dOdHgYVCLVG
6LEakplWzoSSLXZH3t6XDQ==
MThmlLavncxvAo1f3t6XDQ==
SqUmLs+BeJfa69kp7qSmIfuU5K3ZMg==
GuIYfF0o7zGPJY4=
AEd4Wd7JRsdzBX9dPgO7KNJY6NX2Sga4
E1SDU8MxGoZaPFgn9w==
cIq96QyWC/k1XDBRTR9FQOaLosd4Og==
/zRZMuaxmZnX291wZQCXhiq1his=
+47IMmwvk2jyx7MA
IGKz6DH4iraNLQ==
Kh1gHpxbw0MDkwSyaOqjKgTlK69R
us77JxjUuzGPJY4=
bC983vu5Hwnh+eoR
pdfCGZchzH+9Hs68nxRbFgDlK69R
kabYE/2zj2ZdPFgn9w==
BhI+iLy0k5Ua6eQd
4V2vpLCkyb4P
rrEyqp4Mg5Ea6eQd
Nkifp0P/Keo6V0XAY0pZ
az5/L7xt0pDaQZJM/w==
d6XhCTP7iraNLQ==
NwNOCK2nJsCCGWr12NCcXhDgGQ==
0pkGiLBz2bwcNxlnOAC/LATlK69R
4qjJEQCekQDIZbYuonWNGg==
5dNGyOCRCPY2SUXAY0pZ
ssRR9ScjBPgqzUtN3t6XDQ==
GrIxF6RjVYMEGR+7evq5ojzSjCE=
maw32ybYViMzNRVxQRs1XhDgGQ==
WGCaofq039IX
/0SJ2fdj5e94WyMyCYtR
5TJ3VOyYj9pid07AY0pZ
cW/ihZsFcIgPmkOJS7w=
9Ey+siSOdAoNpBkvA3bCf1/MiiE=
Z7CgpQK45+cd
lGbek8rHuzGPJY4=
WhFRKdfJO+0PKhsL9m70cWqJF8BtLt4=
3+Bh1+BkxpqluJymfUhlXhDgGQ==
avd0XfqiiOTB08oQ2FhO
5kDA0jzlUuzJXNfq338j07tm5K3ZMg==
eoy5AQ7Hui3/pEOJS7w=
icr0JUe9M2IyFvEf
3fEpdW0rGRtOXUuHdmAYifnIjyk=
ioD7d4w3qWlcPFgn9w==
EyRVl3we8e8vSzyUcRCiH71nlT4=
vspQsfo7iraNLQ==
OQBpBj7RNyNkhm5vWRAs7pw3P5D1v9ie1w==
6/IbWEX41ex/I4gb/oDSm3sKmyE=
o0nAsSICeScgw3sB1FwjBQ==
3BpuXQPBrDGPJY4=
AZXGKFwRdR8rRio33t6XDQ==
sUTT0UGjo11oGZp3QQc1XhDgGQ==
Omyf5wuZ/q7B3csQ2FhO
JjRksfirIvz9nR9xRrY=
3POP/+9y3dMTvRHrzWcHwizNEw==
/RA5X31zbnKiwq6+sVb8hXAVE/LesM8=
voaguria.com

Extracted

Family

xloader

Version

Campaign

i3tw

Decoy

016XYOaa546POq6CaRVpEfQ=
6WCLUcRz6K7qTqIK
bIa/9uWTepQa6eQd
32urdxWXgrknUIeDYktb
EojfLVA0GyB2mYgMgzdT
jFbHYJhPwpebnHjAY0pZ
gxSusEwA30uVtrErCrQ=
EeJOmOn63OaCHIw=
r3K0jTvKtOR4EV3q1dOdHgYVCLVG
6LEakplWzoSSLXZH3t6XDQ==
MThmlLavncxvAo1f3t6XDQ==
SqUmLs+BeJfa69kp7qSmIfuU5K3ZMg==
GuIYfF0o7zGPJY4=
AEd4Wd7JRsdzBX9dPgO7KNJY6NX2Sga4
E1SDU8MxGoZaPFgn9w==
cIq96QyWC/k1XDBRTR9FQOaLosd4Og==
/zRZMuaxmZnX291wZQCXhiq1his=
+47IMmwvk2jyx7MA
IGKz6DH4iraNLQ==
Kh1gHpxbw0MDkwSyaOqjKgTlK69R
us77JxjUuzGPJY4=
bC983vu5Hwnh+eoR
pdfCGZchzH+9Hs68nxRbFgDlK69R
kabYE/2zj2ZdPFgn9w==
BhI+iLy0k5Ua6eQd
4V2vpLCkyb4P
rrEyqp4Mg5Ea6eQd
Nkifp0P/Keo6V0XAY0pZ
az5/L7xt0pDaQZJM/w==
d6XhCTP7iraNLQ==
NwNOCK2nJsCCGWr12NCcXhDgGQ==
0pkGiLBz2bwcNxlnOAC/LATlK69R
4qjJEQCekQDIZbYuonWNGg==
5dNGyOCRCPY2SUXAY0pZ
ssRR9ScjBPgqzUtN3t6XDQ==
GrIxF6RjVYMEGR+7evq5ojzSjCE=
maw32ybYViMzNRVxQRs1XhDgGQ==
WGCaofq039IX
/0SJ2fdj5e94WyMyCYtR
5TJ3VOyYj9pid07AY0pZ
cW/ihZsFcIgPmkOJS7w=
9Ey+siSOdAoNpBkvA3bCf1/MiiE=
Z7CgpQK45+cd
lGbek8rHuzGPJY4=
WhFRKdfJO+0PKhsL9m70cWqJF8BtLt4=
3+Bh1+BkxpqluJymfUhlXhDgGQ==
avd0XfqiiOTB08oQ2FhO
5kDA0jzlUuzJXNfq338j07tm5K3ZMg==
eoy5AQ7Hui3/pEOJS7w=
icr0JUe9M2IyFvEf
3fEpdW0rGRtOXUuHdmAYifnIjyk=
ioD7d4w3qWlcPFgn9w==
EyRVl3we8e8vSzyUcRCiH71nlT4=
vspQsfo7iraNLQ==
OQBpBj7RNyNkhm5vWRAs7pw3P5D1v9ie1w==
6/IbWEX41ex/I4gb/oDSm3sKmyE=
o0nAsSICeScgw3sB1FwjBQ==
3BpuXQPBrDGPJY4=
AZXGKFwRdR8rRio33t6XDQ==
sUTT0UGjo11oGZp3QQc1XhDgGQ==
Omyf5wuZ/q7B3csQ2FhO
JjRksfirIvz9nR9xRrY=
3POP/+9y3dMTvRHrzWcHwizNEw==
/RA5X31zbnKiwq6+sVb8hXAVE/LesM8=
voaguria.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Executes dropped EXE 1 IoCs

pid	Process
3364	egpsroovgo.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	egpsroovgo.exe

Loads dropped DLL 1 IoCs

pid	Process
4052	egpsroovgo.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3364 set thread context of 4052	3364	egpsroovgo.exe	83
PID 4052 set thread context of 2596	4052	egpsroovgo.exe	46
PID 5036 set thread context of 2596	5036	msiexec.exe	46

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
1724	3364	WerFault.exe	82
212	3364	WerFault.exe	82
1796	3364	WerFault.exe	82

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4052	egpsroovgo.exe
4052	egpsroovgo.exe
4052	egpsroovgo.exe
4052	egpsroovgo.exe
4052	egpsroovgo.exe
4052	egpsroovgo.exe
4052	egpsroovgo.exe
4052	egpsroovgo.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2596	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4052	egpsroovgo.exe
4052	egpsroovgo.exe
4052	egpsroovgo.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe
5036	msiexec.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	4052	egpsroovgo.exe
Token: SeShutdownPrivilege	2596	Explorer.EXE
Token: SeCreatePagefilePrivilege	2596	Explorer.EXE
Token: SeShutdownPrivilege	2596	Explorer.EXE
Token: SeCreatePagefilePrivilege	2596	Explorer.EXE
Token: SeShutdownPrivilege	2596	Explorer.EXE
Token: SeCreatePagefilePrivilege	2596	Explorer.EXE
Token: SeDebugPrivilege	5036	msiexec.exe
Token: SeShutdownPrivilege	2596	Explorer.EXE
Token: SeCreatePagefilePrivilege	2596	Explorer.EXE
Token: SeShutdownPrivilege	2596	Explorer.EXE
Token: SeCreatePagefilePrivilege	2596	Explorer.EXE
Token: SeShutdownPrivilege	2596	Explorer.EXE
Token: SeCreatePagefilePrivilege	2596	Explorer.EXE
Token: SeShutdownPrivilege	2596	Explorer.EXE
Token: SeCreatePagefilePrivilege	2596	Explorer.EXE
Token: SeShutdownPrivilege	2596	Explorer.EXE
Token: SeCreatePagefilePrivilege	2596	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 3364	528	SOCHIDEXPO_PDF.EXE.exe	82
PID 528 wrote to memory of 3364	528	SOCHIDEXPO_PDF.EXE.exe	82
PID 528 wrote to memory of 3364	528	SOCHIDEXPO_PDF.EXE.exe	82
PID 3364 wrote to memory of 4052	3364	egpsroovgo.exe	83
PID 3364 wrote to memory of 4052	3364	egpsroovgo.exe	83
PID 3364 wrote to memory of 4052	3364	egpsroovgo.exe	83
PID 3364 wrote to memory of 4052	3364	egpsroovgo.exe	83
PID 2596 wrote to memory of 5036	2596	Explorer.EXE	87
PID 2596 wrote to memory of 5036	2596	Explorer.EXE	87
PID 2596 wrote to memory of 5036	2596	Explorer.EXE	87
PID 5036 wrote to memory of 4288	5036	msiexec.exe	98
PID 5036 wrote to memory of 4288	5036	msiexec.exe	98
PID 5036 wrote to memory of 4288	5036	msiexec.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Users\Admin\AppData\Local\Temp\SOCHIDEXPO_PDF.EXE.exe
  "C:\Users\Admin\AppData\Local\Temp\SOCHIDEXPO_PDF.EXE.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:528
- - C:\Users\Admin\AppData\Local\Temp\egpsroovgo.exe
    "C:\Users\Admin\AppData\Local\Temp\egpsroovgo.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3364
  - - C:\Users\Admin\AppData\Local\Temp\egpsroovgo.exe
      "C:\Users\Admin\AppData\Local\Temp\egpsroovgo.exe"
      4⤵
      Checks computer location settings
      Loads dropped DLL
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:4052
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 504
      4⤵
      Program crash
      PID:1724
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 540
      4⤵
      Program crash
      PID:212
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 512
      4⤵
      Program crash
      PID:1796
- 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:5036
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3364 -ip 3364
1⤵
PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3364 -ip 3364
1⤵
PID:3380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3364 -ip 3364
1⤵
PID:1480

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

egpsroovgo.exe

Path C:\Users\Admin\AppData\Local\Temp\egpsroovgo.exe
Size 123KB
SHA256 9c3c8d8694f2930955df11cf0485759035c6a87e5888939bca7e22dab252db0b
MD5 a411c80d8e14b960370a4e30e0fd2100
SHA1 4b3e040901320d20f70e053b43e7dea7a8d83069
SHA512 96e19f17131e3bb8e27cca78d0244deb04571ecab6bcfe42c80144792f8fdf2ed8c4b342883bb8c2d7c5fc9902a682ee2237390b5955195afe9af74fbf042f86
SSDEEP 3072:BfWQ6ESTPnrfxKwscphA2WW/oosZIyxS/GXmf56q90J:xWhEW+cphGW/oojyx6b0J
MD5 SHA1 SHA512 SSDEEP

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egpsroovgo.exe

Path C:\Users\Admin\AppData\Local\Temp\egpsroovgo.exe
Size 123KB
SHA256 9c3c8d8694f2930955df11cf0485759035c6a87e5888939bca7e22dab252db0b
MD5 a411c80d8e14b960370a4e30e0fd2100
SHA1 4b3e040901320d20f70e053b43e7dea7a8d83069
SHA512 96e19f17131e3bb8e27cca78d0244deb04571ecab6bcfe42c80144792f8fdf2ed8c4b342883bb8c2d7c5fc9902a682ee2237390b5955195afe9af74fbf042f86
SSDEEP 3072:BfWQ6ESTPnrfxKwscphA2WW/oosZIyxS/GXmf56q90J:xWhEW+cphGW/oojyx6b0J
MD5 SHA1 SHA512 SSDEEP

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egpsroovgo.exe

Path C:\Users\Admin\AppData\Local\Temp\egpsroovgo.exe
Size 123KB
SHA256 9c3c8d8694f2930955df11cf0485759035c6a87e5888939bca7e22dab252db0b
MD5 a411c80d8e14b960370a4e30e0fd2100
SHA1 4b3e040901320d20f70e053b43e7dea7a8d83069
SHA512 96e19f17131e3bb8e27cca78d0244deb04571ecab6bcfe42c80144792f8fdf2ed8c4b342883bb8c2d7c5fc9902a682ee2237390b5955195afe9af74fbf042f86
SSDEEP 3072:BfWQ6ESTPnrfxKwscphA2WW/oosZIyxS/GXmf56q90J:xWhEW+cphGW/oojyx6b0J
MD5 SHA1 SHA512 SSDEEP

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keslfoboj.pac

Path C:\Users\Admin\AppData\Local\Temp\keslfoboj.pac
Size 185KB
SHA256 588e3e2e912751b01111345b0904df60c198caa0959effa1f2ee9cd486328e16
MD5 6af743b19ef5a2b6ab16e8a30539e0e4
SHA1 88af48b7cdf478b6454a6be2b55ae623f7c2b238
SHA512 051d3232951911f3695f77844b764694984183dfad7cf99f03f5ac3e80c4d584e3ffaa57c1f3e3e9a8b63739433a76233658e73516413ea29539501485a03880
SSDEEP 3072:JlD60Uz3Tj6y+UruoQh3XSywkRRvL6tf6R53yqBZdfUwFlws2fN/o2354aKTJdA1:rm04C9UVpywkRotf6T3FBIY2jpsbAft
MD5 SHA1 SHA512 SSDEEP

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mnihp.q

Path C:\Users\Admin\AppData\Local\Temp\mnihp.q
Size 4KB
SHA256 5ed5ea2b0d0a9afd6342eaa017a459d1e7f4d576bc6bfe11996b9ce59ea6a880
MD5 1ea0b91e4a53c015d05e20a9fc4c6dcd
SHA1 f4462c831e68bb734fc1ad1f39191b8974b78f1f
SHA512 88fb7dd0600b46da1d758dc408f7c86863a01f92fe35dcf5b455af450df2c996cc0ab248e46cc795055d1d94b0fd1027408037bd0c37fb2e4df41f2b1bc64517
SSDEEP 96:QmmY48iDDhn7wmHJWNezQJWBpUgGPIlbkzoPG9xgyT0wMokn6F14:Qmq8unFpWFJBgvIYG6oI60
MD5 SHA1 SHA512 SSDEEP

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memory/2596-154-0x0000000007E60000-0x0000000007F2A000-memory.dmp

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memory/2596-152-0x0000000007E60000-0x0000000007F2A000-memory.dmp

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memory/2596-146-0x0000000002770000-0x0000000002829000-memory.dmp

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memory/4052-145-0x0000000001AF0000-0x0000000001B00000-memory.dmp

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memory/4052-144-0x00000000016B0000-0x00000000019FA000-memory.dmp

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memory/4052-143-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4052-142-0x0000000000401000-0x000000000042F000-memory.dmp

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memory/5036-148-0x0000000000610000-0x0000000000622000-memory.dmp

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memory/5036-149-0x0000000000B60000-0x0000000000B8D000-memory.dmp

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memory/5036-150-0x0000000002C50000-0x0000000002F9A000-memory.dmp

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memory/5036-151-0x0000000002AA0000-0x0000000002B2F000-memory.dmp

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memory/5036-153-0x0000000000B60000-0x0000000000B8D000-memory.dmp

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