formbook | e4a8d78909b8d84fcb3d01b91ddeab26615148da704621a3635ac869c9d5dcaf

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/10/2022, 20:12

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General

Target

tmp.exe
Size

274KB
MD5

3745a1fe4166a96e06729c67fd1469c7
SHA1

0bef21b140c023b1158ba5d90f74fb761f1c573b
SHA256

e4a8d78909b8d84fcb3d01b91ddeab26615148da704621a3635ac869c9d5dcaf
SHA512

0f8800a60cc66a64b9c14421c60b96c416e73612542f64b1a96758514b6f45552c68ae5a4f64ea7eee37298bf9cc3cf1da1ec0dbcc332ff4942b137f416654cc
SSDEEP

6144:PweEU2uCgUVrQSDux93/mMvthm7pp7jsSLWVaKsTdDfYJfTd:z2uCg69Dux9Pmehm7pp/sSaVMZYJfTd

Score

10^/10

formbook axe3 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

axe3

Decoy

nV63ydJMXMf7memspIpnnVLl3Q==

uJ50rs5Y/80AqT79guHh

FcsTFQ1xekTgcal8G0P2ZTQ=

uLWWVJP++ID3dkoB8g==

YyoybGF5Fsa/UH8=

Tk4htwkBBfM5ZA==

QgJ8vN9f+uCdsD79guHh

wmjC9UuSBGyTrY5PAX9t1A==

Sw7JEwOKl576ndxw/A==

BOqs09Ikjej1BN98ZYtVfSi5xQ==

YA5cbH3/4wVAYg==

fRWIvatAXM3+t0X9guHh

FAbZXq/jFuaEq2YCwQh3b2oE

STL+RDTA652/tD/9guHh

zgLNcuX32aFB

WmgwW1UCJ/9Nc0ofkIhVyQ==

jiWgy9ckGh8G+3Q7Rl//NW9ZU7TU

JCoawiBkwAkeJOehkNXRCYnj3A==

WQDFZvang91P

zGrJ4CA2pAhR

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1944	psyfho.exe
4268	psyfho.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	psyfho.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 4268	1944	psyfho.exe	84
PID 4268 set thread context of 3032	4268	psyfho.exe	47
PID 2304 set thread context of 3032	2304	help.exe	47

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

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4268	psyfho.exe
4268	psyfho.exe
4268	psyfho.exe
4268	psyfho.exe
4268	psyfho.exe
4268	psyfho.exe
4268	psyfho.exe
4268	psyfho.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3032	Explorer.EXE

Suspicious behavior: MapViewOfSection 9 IoCs

pid	Process
1944	psyfho.exe
1944	psyfho.exe
4268	psyfho.exe
4268	psyfho.exe
4268	psyfho.exe
2304	help.exe
2304	help.exe
2304	help.exe
2304	help.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4268	psyfho.exe
Token: SeDebugPrivilege	2304	help.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 1944	3172	tmp.exe	82
PID 3172 wrote to memory of 1944	3172	tmp.exe	82
PID 3172 wrote to memory of 1944	3172	tmp.exe	82
PID 1944 wrote to memory of 4268	1944	psyfho.exe	84
PID 1944 wrote to memory of 4268	1944	psyfho.exe	84
PID 1944 wrote to memory of 4268	1944	psyfho.exe	84
PID 1944 wrote to memory of 4268	1944	psyfho.exe	84
PID 3032 wrote to memory of 2304	3032	Explorer.EXE	85
PID 3032 wrote to memory of 2304	3032	Explorer.EXE	85
PID 3032 wrote to memory of 2304	3032	Explorer.EXE	85
PID 2304 wrote to memory of 4004	2304	help.exe	92
PID 2304 wrote to memory of 4004	2304	help.exe	92
PID 2304 wrote to memory of 4004	2304	help.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3172
- - C:\Users\Admin\AppData\Local\Temp\psyfho.exe
    "C:\Users\Admin\AppData\Local\Temp\psyfho.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1944
  - - C:\Users\Admin\AppData\Local\Temp\psyfho.exe
      "C:\Users\Admin\AppData\Local\Temp\psyfho.exe"
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:4268
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:2304
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4004

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\iyswjuwfq.txa

Filesize
185KB

MD5
ea21e5d81767a314ccb0ba7becaf765f

SHA1
0630995a565e43c9c0b00e1a6365ee08e9c93019

SHA256
5e41e235f96c3bc784d1d5959752e8f5184366c7c265de1bc76279ad2d2e96c4

SHA512
4e308c7812813e6a1aefe7a1e64ca495be0f38824989bc07796375487000ace87c71130bf40fd372a06e22c0a1e14d511bec0f1e46119445cc7385e5ffae2f99

Download Submit
C:\Users\Admin\AppData\Local\Temp\mqndj.psu

Filesize
5KB

MD5
8cdd489fb795ba76d37af601d3e1bc5c

SHA1
0db9fa2de0de0d468d26636ab21e4f6e1ba6457d

SHA256
91462d813f240b66b586ce6bca0ae1a3d7acb6f4e8a9c787b3b76f5afdf8e72c

SHA512
c18686766a4c1fbdf5d5ac92069832de0b540d046d695d59b6df0b2fd917885f737a0572443e224206780d3d5c9accf7923aea34404bb3689c150104a571ea1e

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

Filesize
77KB

MD5
6e99b51b6533fe7a1ed56fa1ea553b82

SHA1
fb422cda0e04c577528849b4400d8b1ff44e9589

SHA256
5dbe88158dd2f1913f67b98a9505c38e370846583cadcb668c759a4b60e5cb48

SHA512
f9af2c0bc3b420a04436436e1ba6816882e6204a242b58e519b3dfa8c272572e247c858fb108e4fab5c5acb355d17db49ecfe759c6c5db5de674314b28301b0c

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

Filesize
77KB

MD5
6e99b51b6533fe7a1ed56fa1ea553b82

SHA1
fb422cda0e04c577528849b4400d8b1ff44e9589

SHA256
5dbe88158dd2f1913f67b98a9505c38e370846583cadcb668c759a4b60e5cb48

SHA512
f9af2c0bc3b420a04436436e1ba6816882e6204a242b58e519b3dfa8c272572e247c858fb108e4fab5c5acb355d17db49ecfe759c6c5db5de674314b28301b0c

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

Filesize
77KB

MD5
6e99b51b6533fe7a1ed56fa1ea553b82

SHA1
fb422cda0e04c577528849b4400d8b1ff44e9589

SHA256
5dbe88158dd2f1913f67b98a9505c38e370846583cadcb668c759a4b60e5cb48

SHA512
f9af2c0bc3b420a04436436e1ba6816882e6204a242b58e519b3dfa8c272572e247c858fb108e4fab5c5acb355d17db49ecfe759c6c5db5de674314b28301b0c

Download Submit
memory/2304-145-0x0000000000790000-0x0000000000797000-memory.dmp

Filesize
28KB

Download
memory/2304-150-0x0000000000430000-0x000000000045D000-memory.dmp

Filesize
180KB

Download
memory/2304-148-0x0000000000860000-0x00000000008EF000-memory.dmp

Filesize
572KB

Download
memory/2304-147-0x0000000000430000-0x000000000045D000-memory.dmp

Filesize
180KB

Download
memory/2304-146-0x0000000000A70000-0x0000000000DBA000-memory.dmp

Filesize
3.3MB

Download
memory/3032-142-0x0000000008200000-0x00000000082FB000-memory.dmp

Filesize
1004KB

Download
memory/3032-149-0x00000000087A0000-0x00000000088C0000-memory.dmp

Filesize
1.1MB

Download
memory/3032-151-0x00000000087A0000-0x00000000088C0000-memory.dmp

Filesize
1.1MB

Download
memory/4268-144-0x0000000000290000-0x00000000002BF000-memory.dmp

Filesize
188KB

Download
memory/4268-141-0x0000000000340000-0x0000000000350000-memory.dmp

Filesize
64KB

Download
memory/4268-140-0x0000000000B50000-0x0000000000E9A000-memory.dmp

Filesize
3.3MB

Download
memory/4268-139-0x0000000000290000-0x00000000002BF000-memory.dmp

Filesize
188KB

Download