formbook | 0da49f1594366db1179e9ea93909edb301b41241513a63e5ff7ea57643254b9c

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2022, 21:49

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General

Target
HSBC Advice_pdf.exe
Size 360KB
Sample221102-1pbprscae4
SHA256 0da49f1594366db1179e9ea93909edb301b41241513a63e5ff7ea57643254b9c
MD5 8c4d54bd1ccf2e57881aa8c69fe1481c
SHA1 5bfc9a8307d98d55914993585dd6ed7ae2adaaae
SHA512 6163bd8d017bdf2bf39d771d54036db1bde8c7ddd2c073194e0ef6de4155f287fbf5540550f6e6824bdc05039136692e75e786e2f40b78091cff4a3bb813c8f9
SSDEEP 6144:FweEwTKu1gRtv6cWGqhdL+VpG24KGf5w0bq1DsjXd6BV+443R4hClwH:Mv6cxqhdqiFlzq9sjIBV+xyhCmH
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook figc rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

figc

Decoy

47NW9KXrL+jgHgkaH/SBm7e9+eE=
ZiDP2+PQatbRpw==
McLVGasjijBUTSo=
7pCDHTcZBQCyFKFSb/4E
YwIKwvCFzlnbzcNqDNZ3WH77
yFJV/xjTQINSFzg=
HJb3EiH2afruNRSvM8UmOTJszaNv
vpTsJ8xRpExCgnlkzaoM
hUfQlYHe4Qb+DVchQM/mlOM2kjVisoJUMQ==
0URByQED2NCVrO2x5w==
0rjp8oD4ZRKfuI9GPlhwJA==
dxYJqqoonh7bHhMqMNIxXJnL5biDg2uv
N8ICb2IiuRdOx0dgucigiZ0DBA==
xmZ3s1jrZPStPdn5PlhwJA==
UxQyYwqi37V3q59to3PU5ZOZtoEGTcin
SpBGRe06ITs14S8=
spVKc4gldemrMNzf
6IBwrjx2XTs14S8=
FOp6CqjQtLdXT25kzaoM
P/O46RkpqQ8Uvw==
ky4t4R/xYuxdUXVkzaoM
VvVr5YfjxMAqhQPG5mw/5j8MI/g=
a+pFYGDbkR/nvX0+dQQDCgtIwZZl
tW2y7He3xvLluEp13Jzvaa4=
MgTK9CICUduRX+q+hAaUIQ==
CZaMFivjRfrAbtmHjSh3WH77
WQByCJSCCbaj27tYz5/C0bX3GOk=
HN2eGsENvTPjZJ43w5/C0bX3GOk=
ul9T5wfLlJSE9V9y7w==
YStggTiRZpdR1k6fLr4=
sIxhB67Dho4OmdyhUttIwJhMd1R9hKD1OQ==
I66oQy0AwlC+
624EQmEEX7dqX4jB
E/+WRoGOatbRpw==
8rXXZ4de9W8tiZ21t1ytBar2I+4=
O+tmTwaN9Ts14S8=
z0rSgQoORhGrp8LZ
LxS0XQtROWYYr2yRDgWUIQ==
nxqJD6e9lMZOtzLpH+m8fb4FEw==
k/pg+XhFqD0ndH9G68PSWKw=
8cSDk56Se3V2B5ifMr4=
vVxeqjy4t6Mjt0KjL7Y=
E4oLvGyRf41LdDb3FN53WH77
6bRX6Wf8ze0=
Bpqs83OrnK43u11f7Jv0BvsBQeo/ew==
GLCbxUuNkrIus0KjL7Y=
SQFIiiRa60HtFwcRGqCu9MBSg3OIhKD1OQ==
noFIgotFuHQhLga1136JkI8QUSiWqPq+
Rd690WG5sbydrO2x5w==
NLLDeJVHpkfp50ojIr8=
zYLyOtwB39iWrO2x5w==
At0Gnb9ZmUkHvy8/ypp7KLe9+eE=
BJe1a4AajRS1Ntv4i18vvyvzFPg=
ikWQzjeEW2Vfq7N9Ibc=
Cl+up0yUZzs14S8=
PA4ryveT744aLPmakyR3WH77
lnKD3xqP8m4sdXlkzaoM
yD9MkQpFJlAUuUKjL7Y=
LrxXFcsXuQAKt7x1E7A=
hx4FGtysJcCi1r1sFNZ3WH77
blIRPUzyCqWsdZnH
33ZacRmjEbdCT3RkzaoM
3F48XdkN8ybtJUKjL7Y=
xJb1FaEfiTwpc3tkzaoM
artglass.shop

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
1336	eryhqxm.exe
5060	eryhqxm.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	eryhqxm.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1336 set thread context of 5060	1336	eryhqxm.exe	83
PID 5060 set thread context of 780	5060	eryhqxm.exe	31
PID 4944 set thread context of 780	4944	msdt.exe	31

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msdt.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
5060	eryhqxm.exe
5060	eryhqxm.exe
5060	eryhqxm.exe
5060	eryhqxm.exe
5060	eryhqxm.exe
5060	eryhqxm.exe
5060	eryhqxm.exe
5060	eryhqxm.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
780	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
1336	eryhqxm.exe
5060	eryhqxm.exe
5060	eryhqxm.exe
5060	eryhqxm.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe
4944	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5060	eryhqxm.exe
Token: SeDebugPrivilege	4944	msdt.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 1336	4852	HSBC Advice_pdf.exe	82
PID 4852 wrote to memory of 1336	4852	HSBC Advice_pdf.exe	82
PID 4852 wrote to memory of 1336	4852	HSBC Advice_pdf.exe	82
PID 1336 wrote to memory of 5060	1336	eryhqxm.exe	83
PID 1336 wrote to memory of 5060	1336	eryhqxm.exe	83
PID 1336 wrote to memory of 5060	1336	eryhqxm.exe	83
PID 1336 wrote to memory of 5060	1336	eryhqxm.exe	83
PID 780 wrote to memory of 4944	780	Explorer.EXE	84
PID 780 wrote to memory of 4944	780	Explorer.EXE	84
PID 780 wrote to memory of 4944	780	Explorer.EXE	84
PID 4944 wrote to memory of 3784	4944	msdt.exe	91
PID 4944 wrote to memory of 3784	4944	msdt.exe	91
PID 4944 wrote to memory of 3784	4944	msdt.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:780
- C:\Users\Admin\AppData\Local\Temp\HSBC Advice_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\HSBC Advice_pdf.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4852
- - C:\Users\Admin\AppData\Local\Temp\eryhqxm.exe
    "C:\Users\Admin\AppData\Local\Temp\eryhqxm.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1336
  - - C:\Users\Admin\AppData\Local\Temp\eryhqxm.exe
      "C:\Users\Admin\AppData\Local\Temp\eryhqxm.exe"
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:5060
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:4944
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3784

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

eryhqxm.exe

Path C:\Users\Admin\AppData\Local\Temp\eryhqxm.exe
Size 5KB
SHA256 f78e2c5dc6420b1bc16e2a00cc22be7733ca41878ddf69b80b0e26a6951403f0
MD5 0c6350c6e139c7af1929ba69be183174
SHA1 261619dd15f550b96b1ad0035d864d578986e0af
SHA512 ded0497da160f8590262ad56ad9c6bb3e16ce72cdb6032266b62809752aaea34d267cdcb3ee59766f49d4ad08d6534df910428d8a582d959eeaf836d030704f0
SSDEEP 48:vpgijPeJ7vssBzkST6OE9v3q3337b3EaOWl5o/7PdArmEkYmR:BY9rBzZTnx4WQ/jd8kVR
MD5 SHA1 SHA512 SSDEEP

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eryhqxm.exe

Path C:\Users\Admin\AppData\Local\Temp\eryhqxm.exe
Size 5KB
SHA256 f78e2c5dc6420b1bc16e2a00cc22be7733ca41878ddf69b80b0e26a6951403f0
MD5 0c6350c6e139c7af1929ba69be183174
SHA1 261619dd15f550b96b1ad0035d864d578986e0af
SHA512 ded0497da160f8590262ad56ad9c6bb3e16ce72cdb6032266b62809752aaea34d267cdcb3ee59766f49d4ad08d6534df910428d8a582d959eeaf836d030704f0
SSDEEP 48:vpgijPeJ7vssBzkST6OE9v3q3337b3EaOWl5o/7PdArmEkYmR:BY9rBzZTnx4WQ/jd8kVR
MD5 SHA1 SHA512 SSDEEP

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eryhqxm.exe

Path C:\Users\Admin\AppData\Local\Temp\eryhqxm.exe
Size 5KB
SHA256 f78e2c5dc6420b1bc16e2a00cc22be7733ca41878ddf69b80b0e26a6951403f0
MD5 0c6350c6e139c7af1929ba69be183174
SHA1 261619dd15f550b96b1ad0035d864d578986e0af
SHA512 ded0497da160f8590262ad56ad9c6bb3e16ce72cdb6032266b62809752aaea34d267cdcb3ee59766f49d4ad08d6534df910428d8a582d959eeaf836d030704f0
SSDEEP 48:vpgijPeJ7vssBzkST6OE9v3q3337b3EaOWl5o/7PdArmEkYmR:BY9rBzZTnx4WQ/jd8kVR
MD5 SHA1 SHA512 SSDEEP

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nlsgod.kzw

Path C:\Users\Admin\AppData\Local\Temp\nlsgod.kzw
Size 5KB
SHA256 07a17b80121fc2a46e5d5b8d537ebfcf0c6c8c03e982a81e025cf3fd5d6f0797
MD5 dd909cb841bcf3c1aebc469d8ad55a8d
SHA1 eb72c4c9c9ed7e8c8974729e29b519b6dd58b06d
SHA512 64fd9d8660d90325d2f957b7b0d9e33f194e0b38a2106a987eeca7f5ef509af88105b8b5d74390427755fdcbcc752a262184a1d48596508e194c9054c7607f7e
SSDEEP 96:xmUScnvm+cos8ZukAIAR5EoEvhlgf+yNKOoTqOTihjrurfEA/HX0Lh+3799c0xM:wwu+csZuk1AR5EoEvhWfKHwrqH/H4hYQ
MD5 SHA1 SHA512 SSDEEP

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ouqwn.zy

Path C:\Users\Admin\AppData\Local\Temp\ouqwn.zy
Size 185KB
SHA256 c9c2ab7f730fbcda27cee37de721f4b06c271d7d212d366f68472862016329d7
MD5 86128345becd3fdc0554ce64a0723e05
SHA1 d4dd7507d74e3cba8a67c5ec32d8b12bfb83e8c0
SHA512 809b6b2ec0cdcae0bd52119c3f949bdb272e9d3fcf4dbc5927a24ce0a3c83d3bd08bd909c7e160be96718f4dada2e585876c1f1c7d02cb5d83d28d249f066508
SSDEEP 3072:0UlHxSZ2ZDl1kVEOhYb4QkQblPwTg/jQgiiS/ZoyQfEHGpBiKjT8z7snKDB:JHxSUZ1fOhK4UblZ/UXBoyQsHJK8zgKV
MD5 SHA1 SHA512 SSDEEP

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memory/780-151-0x0000000007E70000-0x0000000007FB7000-memory.dmp

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memory/780-150-0x0000000007E70000-0x0000000007FB7000-memory.dmp

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memory/780-143-0x00000000078C0000-0x000000000799D000-memory.dmp

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memory/4944-147-0x0000000002840000-0x0000000002B8A000-memory.dmp

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memory/4944-149-0x00000000024E0000-0x000000000256F000-memory.dmp

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memory/4944-148-0x00000000003B0000-0x00000000003DD000-memory.dmp

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memory/4944-146-0x00000000003B0000-0x00000000003DD000-memory.dmp

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memory/4944-145-0x0000000000EC0000-0x0000000000F17000-memory.dmp

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memory/5060-142-0x0000000000430000-0x0000000000440000-memory.dmp

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memory/5060-141-0x0000000000A40000-0x0000000000D8A000-memory.dmp

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memory/5060-140-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/5060-139-0x0000000000400000-0x000000000042F000-memory.dmp

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