formbook | 67d5928c7f82bb8b15327d64edff03056f33b577d8323d6b4bd6ae9112336ba8

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, 21:54

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General

Target
HSBC Adivce_pdf.exe
Size 361KB
Sample221102-1r7j8aefbm
SHA256 67d5928c7f82bb8b15327d64edff03056f33b577d8323d6b4bd6ae9112336ba8
MD5 4e4de8eca559a0e0b38cd8fe9fe4773b
SHA1 1c6514e3ce2a49bf735909859bffbd0852c438fe
SHA512 59bd8a20b2b1d74a7e88228fea78e21cd38e92187ecc121efd592dbebda8702ab754c0097b303c7776a4bddad03f291ac94882820eb6ccb11c937aaee2bdf6f5
SSDEEP 6144:FweEwTKu1gRtv6cWGq90+tG9Wu/mTbPZn0eBWBSoLzlXvNe8pU2B:Mv6cxqS9/kn0eBW0sNvNdpUG
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
4764	tbksdl.exe
4248	tbksdl.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	tbksdl.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4764 set thread context of 4248	4764	tbksdl.exe	82
PID 4248 set thread context of 2640	4248	tbksdl.exe	41
PID 4540 set thread context of 2640	4540	mstsc.exe	41

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	mstsc.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4248	tbksdl.exe
4248	tbksdl.exe
4248	tbksdl.exe
4248	tbksdl.exe
4248	tbksdl.exe
4248	tbksdl.exe
4248	tbksdl.exe
4248	tbksdl.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2640	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
4764	tbksdl.exe
4248	tbksdl.exe
4248	tbksdl.exe
4248	tbksdl.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe
4540	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4248	tbksdl.exe
Token: SeDebugPrivilege	4540	mstsc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 4764	4984	HSBC Adivce_pdf.exe	81
PID 4984 wrote to memory of 4764	4984	HSBC Adivce_pdf.exe	81
PID 4984 wrote to memory of 4764	4984	HSBC Adivce_pdf.exe	81
PID 4764 wrote to memory of 4248	4764	tbksdl.exe	82
PID 4764 wrote to memory of 4248	4764	tbksdl.exe	82
PID 4764 wrote to memory of 4248	4764	tbksdl.exe	82
PID 4764 wrote to memory of 4248	4764	tbksdl.exe	82
PID 2640 wrote to memory of 4540	2640	Explorer.EXE	83
PID 2640 wrote to memory of 4540	2640	Explorer.EXE	83
PID 2640 wrote to memory of 4540	2640	Explorer.EXE	83
PID 4540 wrote to memory of 5092	4540	mstsc.exe	91
PID 4540 wrote to memory of 5092	4540	mstsc.exe	91
PID 4540 wrote to memory of 5092	4540	mstsc.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\AppData\Local\Temp\HSBC Adivce_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\HSBC Adivce_pdf.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4984
- - C:\Users\Admin\AppData\Local\Temp\tbksdl.exe
    "C:\Users\Admin\AppData\Local\Temp\tbksdl.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:4764
  - - C:\Users\Admin\AppData\Local\Temp\tbksdl.exe
      "C:\Users\Admin\AppData\Local\Temp\tbksdl.exe"
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:4248
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:4540
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:5092

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

jyxiqzf.w

Path C:\Users\Admin\AppData\Local\Temp\jyxiqzf.w
Size 5KB
SHA256 af1f3843ad15f42be038f850ba73d3a0122a565ef1d89440bb01efbdfa08a687
MD5 a9da1e5ba9afd05246ee0ff3ce34e0fa
SHA1 b5f89ee3e499f4401164dde074e7a0ee1a65a536
SHA512 9675111323d0e81144f4385e34d9711939f0a357c9e2c467a986e642dac4838ca37c563d2f4e159dbf77c6734ed7da2af9bbfafb7446d39cac8b742033f0ad7e
SSDEEP 96:1RLob7etPgeMQfbfa3GBqcoIyO8G1zyTiV0OvkpOr494V33AGWRhFCSTa41q7dfD:kbqtPuQfbC34qFI/8LiVdkpK49833AGP
MD5 SHA1 SHA512 SSDEEP

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tbksdl.exe

Path C:\Users\Admin\AppData\Local\Temp\tbksdl.exe
Size 8KB
SHA256 e9804a189da464ce474a87940cb9fca20544e44f98dffe0182c91255c65453e5
MD5 09d15feb6d40d4f9bfec8ddcdfe86b58
SHA1 b0fbf070e9c756e827a4b4a02a6ac3cc5e0a406d
SHA512 71754eb869f445532d419f6aba5c4b919512d1e3e50f47a53aaa0c997b532b87c1e834461060e8ca92e635aab0873459295e2b7a3b739bc9612a8982c3ae6614
SSDEEP 96:BwdjNM9Dx9DF3FLJrc0azc/q2VBtBd1uwmXNOqjCXtVRv:udjm9DnFzzag/nDn1uVbjCXf
MD5 SHA1 SHA512 SSDEEP

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tbksdl.exe

Path C:\Users\Admin\AppData\Local\Temp\tbksdl.exe
Size 8KB
SHA256 e9804a189da464ce474a87940cb9fca20544e44f98dffe0182c91255c65453e5
MD5 09d15feb6d40d4f9bfec8ddcdfe86b58
SHA1 b0fbf070e9c756e827a4b4a02a6ac3cc5e0a406d
SHA512 71754eb869f445532d419f6aba5c4b919512d1e3e50f47a53aaa0c997b532b87c1e834461060e8ca92e635aab0873459295e2b7a3b739bc9612a8982c3ae6614
SSDEEP 96:BwdjNM9Dx9DF3FLJrc0azc/q2VBtBd1uwmXNOqjCXtVRv:udjm9DnFzzag/nDn1uVbjCXf
MD5 SHA1 SHA512 SSDEEP

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tbksdl.exe

Path C:\Users\Admin\AppData\Local\Temp\tbksdl.exe
Size 8KB
SHA256 e9804a189da464ce474a87940cb9fca20544e44f98dffe0182c91255c65453e5
MD5 09d15feb6d40d4f9bfec8ddcdfe86b58
SHA1 b0fbf070e9c756e827a4b4a02a6ac3cc5e0a406d
SHA512 71754eb869f445532d419f6aba5c4b919512d1e3e50f47a53aaa0c997b532b87c1e834461060e8ca92e635aab0873459295e2b7a3b739bc9612a8982c3ae6614
SSDEEP 96:BwdjNM9Dx9DF3FLJrc0azc/q2VBtBd1uwmXNOqjCXtVRv:udjm9DnFzzag/nDn1uVbjCXf
MD5 SHA1 SHA512 SSDEEP

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zciemd.pv

Path C:\Users\Admin\AppData\Local\Temp\zciemd.pv
Size 185KB
SHA256 a527cab448936ce98301726fea2aaec08a5371495a4ecaf1d8c49371360ffd60
MD5 1afb3ad97c98d172dfa9997a7650796b
SHA1 2fab279527ac105ebb794bb41f79a599650de162
SHA512 1e867c61d13300cb622fb134d884a40fc413ff3bc2cf38d6d1ce3db88b6f45b2b4b48570c739a21dcdbbe556c7ebf51a3fcebe4b1a6e0a1088b412f5cd786efa
SSDEEP 3072:ZXF7FGBKU+VoIevBCnx4w2ljQ/hwm8otM5C79LbClJuAVUVPrukvNXx4ju5yPwpp:VV5U+svBCnxN2lmS5C79HCGVzuar4jgh
MD5 SHA1 SHA512 SSDEEP

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memory/2640-153-0x0000000008680000-0x00000000087FA000-memory.dmp

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memory/2640-151-0x0000000008680000-0x00000000087FA000-memory.dmp

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memory/2640-143-0x0000000003480000-0x0000000003563000-memory.dmp

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memory/4248-142-0x00000000011D0000-0x00000000011E0000-memory.dmp

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memory/4248-141-0x00000000017B0000-0x0000000001AFA000-memory.dmp

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memory/4248-140-0x0000000000401000-0x000000000042F000-memory.dmp

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memory/4248-139-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4248-145-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4248-146-0x0000000000401000-0x000000000042F000-memory.dmp

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memory/4540-147-0x0000000000C50000-0x0000000000D8A000-memory.dmp

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memory/4540-148-0x0000000000890000-0x00000000008BD000-memory.dmp

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memory/4540-149-0x00000000029D0000-0x0000000002D1A000-memory.dmp

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memory/4540-150-0x0000000002800000-0x000000000288F000-memory.dmp

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memory/4540-152-0x0000000000890000-0x00000000008BD000-memory.dmp

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