formbook | 167f095c678aad5d26949f46d21bd2bc07744b09968d780e310484b42404580e

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2022, 17:10

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
c12a88137a0676ae55c4c77d5d4932d0.exe
Size 260KB
Sample221012-vpp99schd5
SHA256 167f095c678aad5d26949f46d21bd2bc07744b09968d780e310484b42404580e
MD5 c12a88137a0676ae55c4c77d5d4932d0
SHA1 2f1686c543ed90281fc983e95123e8f6c7a9dce9
SHA512 d3a81c4aae6f5863ed368648f0440f75397e3f2ac60c507f37b58250db42dcf192ba701b0cfb10d98b1bd98d9785761ad37c803a4b2837e45e77df3fc6c86a63
SSDEEP 6144:HNeZmwzYdsGNMiVdbU0Qvoro999xhgA2NhHk7+dkTLhuAT:HNl97LGDrhJBr
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook tsuz rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

tsuz

Decoy

7xznvXjpgziXgKV2gqDW
v7D1tLx/XXVj4TTJXNA=
Kksd/nV8o/fgptkq+1ql6A==
vJOH8u8W1nXX
iJ+tj7iKjquTOKxx/3r8KiNc63xxRA==
5xTbq0yL85f2O8soEE0aWGxrjA==
b4/knWkfwQCByw==
AnrOservDq83Fw92/GiG7pk9VAzP
o7ULEGiFpFC6VQ15RtI=
pcuYY7Ei2ReJqmM=
kNvNtWa/SQJpV3t4NFw83Ea4URzU
eGmxllMUuHzf
xwWU/I4R3RuT0A==
h4kM4poKqlXK9NCgTs8=
HkWLW5J3hL6vF2MFgsnAa5N5kpHF
u+nKjgM7r0ewzdd2gqDW
XE4s8ioNHndqM2P+krcGi9g=
OoVuNLkVoUGpwd56GXTPATwOJycptRJwdg==
n5cbiNrqOcpcqGw=
1dve5llFRkJ333E=
VIhkIJnSMrIRPEjarkhuARP5UFQ=
4gtsKskJdQ8Pw9d2gqDW
doN3bPYtiMcFVul4SGQizkTzEspICoyg
GDl+WkSi1P0=
jdTCig06g/dacntkNFGOtDjJ63R8Tg==
9uPJv0p1vjWeuLOOYveYpoiL05kttRJwdg==
uOU8RLSu41tMBOb7sD/e
yxdiTgQW1nXX
Tmm3iHYEt5kVZ+nGpet8ms8=
5wL/74DKLcLwMD8eng==
R0ebpvLd7TXMxfHijw==
9SGJfWrffUzasGU=
m97SjQUW1nXX
WFU3KJ6s+o4BD0VXK4NqkHx4
+WG+WtSmgoYH3ea5U8o4QyVd63xxRA==
p/f72WCqM+9QaS8Okg==
DFFnMGFJbs3CKctCTTrhZ8U=
fZjpyKMHrHmu8u3H
zQHso+fX0fDhjf53vfgDito=
m6WYVYpfTHxt3YMFvk14Hkc5WR2R0WA=
da+JXwtPuGTUMeUICI6XSNE=
Cit6QDvSGTs13nDFmQ==
kJMS65TRMrCdQoBt8EIaWGxrjA==
BCES9iwTPpqBl2O4VdI=
0gtRG3KTzEGnydd2gqDW
0e3Wl+glliIQu9uEhBOxtYt/
ycg17Jb3Z9G5graeeKnGx6fbJy0ttRJwdg==
lLMNxIMQyLsyPQbpgQ==
KnfuzsZE8tVKqC8AgORljYud7XKyx/Dxfg==
//nvxfKwWrqoNu0QyBsMids=
DmXXv7ZO3RuT0A==
UVNSK1EJ6Oi/9fTljw==
y9vZuOG971+C4vDN
da4Oy8Wcre/8oCl2h4jw/w==
7zMxHZWTrvHXptmEhBOxtYt/
IbGmEq4k3RuT0A==
Cf0Nz9KViMGtGbsYkrcGi9g=
Y1/YhvIwwpQD4dN2gqDW
IDQS5EVToyDMxfHijw==
fYVqHtHJ71q4ztZ2gqDW
LV803T8ry01KBye1TaSH/hP5UFQ=
g87PrjNu0Eqr2w331CseyUXCJiVa8I2o
cs+jaMvaHkJ/6ns=
a7HwvpAyBvIquGw=
neapmali.rest

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
2296	hgwblnwgct.exe
3512	hgwblnwgct.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	hgwblnwgct.exe

Loads dropped DLL 1 IoCs

pid	Process
4764	hgwblnwgct.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 4764	2296	hgwblnwgct.exe	83
PID 4764 set thread context of 1272	4764	hgwblnwgct.exe	51
PID 4328 set thread context of 1272	4328	WWAHost.exe	51

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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	WWAHost.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

pid	Process
4764	hgwblnwgct.exe
4764	hgwblnwgct.exe
4764	hgwblnwgct.exe
4764	hgwblnwgct.exe
4764	hgwblnwgct.exe
4764	hgwblnwgct.exe
4764	hgwblnwgct.exe
4764	hgwblnwgct.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1272	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4764	hgwblnwgct.exe
4764	hgwblnwgct.exe
4764	hgwblnwgct.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe
4328	WWAHost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4764	hgwblnwgct.exe
Token: SeDebugPrivilege	4328	WWAHost.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 2296	4848	c12a88137a0676ae55c4c77d5d4932d0.exe	81
PID 4848 wrote to memory of 2296	4848	c12a88137a0676ae55c4c77d5d4932d0.exe	81
PID 4848 wrote to memory of 2296	4848	c12a88137a0676ae55c4c77d5d4932d0.exe	81
PID 2296 wrote to memory of 3512	2296	hgwblnwgct.exe	82
PID 2296 wrote to memory of 3512	2296	hgwblnwgct.exe	82
PID 2296 wrote to memory of 3512	2296	hgwblnwgct.exe	82
PID 2296 wrote to memory of 4764	2296	hgwblnwgct.exe	83
PID 2296 wrote to memory of 4764	2296	hgwblnwgct.exe	83
PID 2296 wrote to memory of 4764	2296	hgwblnwgct.exe	83
PID 2296 wrote to memory of 4764	2296	hgwblnwgct.exe	83
PID 1272 wrote to memory of 4328	1272	Explorer.EXE	84
PID 1272 wrote to memory of 4328	1272	Explorer.EXE	84
PID 1272 wrote to memory of 4328	1272	Explorer.EXE	84
PID 4328 wrote to memory of 3548	4328	WWAHost.exe	87
PID 4328 wrote to memory of 3548	4328	WWAHost.exe	87
PID 4328 wrote to memory of 3548	4328	WWAHost.exe	87

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Users\Admin\AppData\Local\Temp\c12a88137a0676ae55c4c77d5d4932d0.exe
  "C:\Users\Admin\AppData\Local\Temp\c12a88137a0676ae55c4c77d5d4932d0.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4848
- - C:\Users\Admin\AppData\Local\Temp\hgwblnwgct.exe
    "C:\Users\Admin\AppData\Local\Temp\hgwblnwgct.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2296
  - - C:\Users\Admin\AppData\Local\Temp\hgwblnwgct.exe
      "C:\Users\Admin\AppData\Local\Temp\hgwblnwgct.exe"
      4⤵
      Executes dropped EXE
      PID:3512
  - - C:\Users\Admin\AppData\Local\Temp\hgwblnwgct.exe
      "C:\Users\Admin\AppData\Local\Temp\hgwblnwgct.exe"
      4⤵
      Checks computer location settings
      Loads dropped DLL
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:4764
- C:\Windows\SysWOW64\WWAHost.exe
  "C:\Windows\SysWOW64\WWAHost.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:4328
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3548

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

Loading Replay Monitor...

Downloads

hgwblnwgct.exe

Path C:\Users\Admin\AppData\Local\Temp\hgwblnwgct.exe
Size 74KB
SHA256 d45f7a637f385cac3c1b519a702d02fbf8d0bbfb883f87454ba352a4fec32bf4
MD5 4111e78e1b2f65a6c9cde6a549d337d9
SHA1 f3ab87fc6678f1f6f676fa3243dedb0728832dbc
SHA512 9c7cdefd0b3712210a1bd31df9306fe1cb371b242dd2c45d3f7365d7e202a046733e8b2645f41f7dd30149f6a12b1687442778fc0abe72c94b6f1958bf1719ec
SSDEEP 1536:dntSyjW68naQx9cSiWrX4ezsfNZPGMNftEdt8vklJssWXcdZpkBa:X8nDx9PJzsfNZPGMNfORlhZpkBa
MD5 SHA1 SHA512 SSDEEP

Submit Download

hgwblnwgct.exe

Path C:\Users\Admin\AppData\Local\Temp\hgwblnwgct.exe
Size 74KB
SHA256 d45f7a637f385cac3c1b519a702d02fbf8d0bbfb883f87454ba352a4fec32bf4
MD5 4111e78e1b2f65a6c9cde6a549d337d9
SHA1 f3ab87fc6678f1f6f676fa3243dedb0728832dbc
SHA512 9c7cdefd0b3712210a1bd31df9306fe1cb371b242dd2c45d3f7365d7e202a046733e8b2645f41f7dd30149f6a12b1687442778fc0abe72c94b6f1958bf1719ec
SSDEEP 1536:dntSyjW68naQx9cSiWrX4ezsfNZPGMNftEdt8vklJssWXcdZpkBa:X8nDx9PJzsfNZPGMNfORlhZpkBa
MD5 SHA1 SHA512 SSDEEP

Submit Download

hgwblnwgct.exe

Path C:\Users\Admin\AppData\Local\Temp\hgwblnwgct.exe
Size 74KB
SHA256 d45f7a637f385cac3c1b519a702d02fbf8d0bbfb883f87454ba352a4fec32bf4
MD5 4111e78e1b2f65a6c9cde6a549d337d9
SHA1 f3ab87fc6678f1f6f676fa3243dedb0728832dbc
SHA512 9c7cdefd0b3712210a1bd31df9306fe1cb371b242dd2c45d3f7365d7e202a046733e8b2645f41f7dd30149f6a12b1687442778fc0abe72c94b6f1958bf1719ec
SSDEEP 1536:dntSyjW68naQx9cSiWrX4ezsfNZPGMNftEdt8vklJssWXcdZpkBa:X8nDx9PJzsfNZPGMNfORlhZpkBa
MD5 SHA1 SHA512 SSDEEP

Submit Download

hgwblnwgct.exe

Path C:\Users\Admin\AppData\Local\Temp\hgwblnwgct.exe
Size 74KB
SHA256 d45f7a637f385cac3c1b519a702d02fbf8d0bbfb883f87454ba352a4fec32bf4
MD5 4111e78e1b2f65a6c9cde6a549d337d9
SHA1 f3ab87fc6678f1f6f676fa3243dedb0728832dbc
SHA512 9c7cdefd0b3712210a1bd31df9306fe1cb371b242dd2c45d3f7365d7e202a046733e8b2645f41f7dd30149f6a12b1687442778fc0abe72c94b6f1958bf1719ec
SSDEEP 1536:dntSyjW68naQx9cSiWrX4ezsfNZPGMNftEdt8vklJssWXcdZpkBa:X8nDx9PJzsfNZPGMNfORlhZpkBa
MD5 SHA1 SHA512 SSDEEP

Submit Download

lvpesoyw.yc

Path C:\Users\Admin\AppData\Local\Temp\lvpesoyw.yc
Size 185KB
SHA256 dda566842b6138f181749831a47faeec97d3f419e6d69baeb6cd700b53803249
MD5 c5d2384b9de3cdebe56596bce22fa46f
SHA1 7a59777449fb7e01f3619962230389e84d5bf02b
SHA512 97a278b14834f56d2b0f86c164f2df1250cfcc3584f6d6fca59c8df724c9acdafcf55581a9764d0c2155171796b171814cb152730a889675e241c7c702038175
SSDEEP 3072:8ztgE/2dKyYdmiAzzNfszW+hKpIJZkEsP8/bOwjkmrLoMTWNIA/wTQqO/gqy4:8Jgatazf2mI7kEpOMLoc2YTmIqJ
MD5 SHA1 SHA512 SSDEEP

Submit Download

mbtxgrmn.qkn

Path C:\Users\Admin\AppData\Local\Temp\mbtxgrmn.qkn
Size 4KB
SHA256 768c14fb09a5fd7c789accdc8ccd6d07c2d1569f70dc48d68981b796f7725cdc
MD5 8fc77382a36e77da8bbe5fc266303940
SHA1 d4ef21eb553df4adadf42d15950a57364f8ce7ed
SHA512 60be2161a5643db5fddd735dd06220527033b17e83beef08f4ba6c08a69f62fc0c6232c6be73af4cc790a2429859a905170004287378d2b0f2fa41252a8eaf69
SSDEEP 96:k6uUeaiqe923bXZm6Vrssrq7ACxVb2t6AqkeOqg+bs0dgYmm80Fp4a:mhaC92rXZmMLcA2stPl+brgYt3FP
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1272-144-0x0000000003580000-0x0000000003671000-memory.dmp

Download

memory/1272-153-0x0000000007B90000-0x0000000007C3C000-memory.dmp

Download

memory/1272-151-0x0000000007B90000-0x0000000007C3C000-memory.dmp

Download

memory/1272-149-0x0000000003580000-0x0000000003671000-memory.dmp

Download

memory/4328-147-0x0000000001020000-0x000000000104D000-memory.dmp

Download

memory/4328-146-0x00000000000A0000-0x000000000017C000-memory.dmp

Download

memory/4328-148-0x0000000001DA0000-0x00000000020EA000-memory.dmp

Download

memory/4328-150-0x0000000001B40000-0x0000000001BCF000-memory.dmp

Download

memory/4328-152-0x0000000001020000-0x000000000104D000-memory.dmp

Download

memory/4764-141-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/4764-143-0x00000000010A0000-0x00000000010B0000-memory.dmp

Download

memory/4764-142-0x0000000001620000-0x000000000196A000-memory.dmp

Download

memory/4764-140-0x0000000000401000-0x000000000042F000-memory.dmp

Download