formbook | b8f55afc17398bdb231a27affe7f36c7424ca2c47d205c9f94df6e2b99befa93

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
20/10/2022, 12:49

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General

Target
PROFORMA INVOICE.exe
Size 889KB
Sample221020-p2cbaaedc8
SHA256 b8f55afc17398bdb231a27affe7f36c7424ca2c47d205c9f94df6e2b99befa93
MD5 a1493be571c25bfc9b4fa7eba23b6e8e
SHA1 473bdc7827b8f8e1b5bf2f54a2ad27d95a1a5e56
SHA512 9a6f5245d36de65bd0a00a96867decc5cfd15cd5ec3350775655259482c61802240279a101435340c64f47d582e81258819751b759287c4fa62904d4c7c2db36
SSDEEP 12288:RoCrA7iLEM2sS+BgplTiUmiZIEQoiWBq+jTa:RoCxe+sT1/uX+jTa
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook dj6o rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

dj6o

Decoy

eHTcR+KSbIHKrEJYcaqomJrw
d4CQy4B84xPiXuPwHUtF
8eIkbHEq+BPxberwHUtF
m0+kGJZPG1H1jgngcA==
AMbXEsJxX4/J80MD
cxBd6axquGelQQc=
J9URjF0q/TbJ80MD
HxxYujs6bp7dberwHUtF
VhwjWCuW1Xau
Hs4ZrXYwBycFVX7hJpekXd1oRg==
XyAqZOXgWECQBQ==
H+HaBrNXMlQ5j+GkDTwf7dEalRSG8g==
Kvj6PwPvL2f1jgngcA==
q3F0mzHxjbyi
G/sniBrf1waZ08/yTxyN8qLm
9uD0ZBYgb5ZiuP3wHUtF
Ndkqiyj14RhyZziD6WwV4O8=
PuY9wEs6hMAOTUs2mUCtdjzUeRyb+A==
PwsHXAKokKjJ80MD
xa4YnG9AI0WKthDfFO0=
MQ8MH62d8yYM76ur+PSq1rv4
3bzBJcCw7xdiv6jgTRiI8E6SoqA=
gllski02plO4hezwHUtF
fFupcJ7vWECQBQ==
t6rT74IzHwBjQg/PFfJ+XkwUqbyJ5R0=
56Sm6qNmn1DQ0GlhvXvBC8S/VqKP
WUlz+MBsMUUotVBYcaqomJrw
byiB84SNALIdtosIbQ==
Tl6H0INUQnheJvdAtTwA8vY=
AqzubjoPnUI=
pjxDfDsybJ4Evov1Zw==
MAQDK8y6Gb0I8vGtGwxpvjK2JAGH
UO5BqmVqz165KziylGwV4O8=
47b4ZydnxKzyMwE=
Bf7i1stH8J4Hvov1Zw==
tK7qfS7XseFCG6OY3GwV4O8=
p7cCavm6qOBKr71GbhlsLg==
0bXQHb94wGTx++0ubw==
t46Y0lNYob2TEONj2nnu4vA=
gkCQBL5zSXzPIzOm/2M+jjzEWfA+cYlv5g==
Kzh59Yh31ILszGVWratKal6xHAOH
BLr9ZQYBWbxKmbIgLtHALA==
VlyjEKNUSG6hcUoFandY
H/INXiD4y/bdLYKCq/LdOw==
f01NhTwlcqR+CogrfHrHtan3
V6baC439Psa1
t6uu52heoTqUcvDwHUtF
bXDKLuDkj/MmnzHyQ1Qp7b2/VqKP
kFa9Hr2GVXzP1qfEwpH66PI=
hFlcmTAgXE26HA==
85LuilH7N+c6mufwHUtF
9Mjd/JJR6hbo8fQjZg==
SkA7YPrxX12JbRo=
2fZDwaBN5E+tBw==
VlSNGsrK/95sfUVy24flta+6Ioi43B32
CLjlLea4n8MLvov1Zw==
S02ihrc5x/C6
gGV6xWcvWECQBQ==
EcQcUtKDg91tUQ4=
YQpcvUdGvKPaHg==
YQhIzXwraFg/LwQ=
pJbkcPbqSzli0jIB
x3zE9noxWECQBQ==
b1pvqkHtG0wdjQv4Vz+4h06SoqA=
hotelarta.cloud

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1152	help.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1280 set thread context of 1968	1280	PROFORMA INVOICE.exe	28
PID 1968 set thread context of 1208	1968	RegSvcs.exe	13
PID 1152 set thread context of 1208	1152	help.exe	13

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1280	PROFORMA INVOICE.exe
1968	RegSvcs.exe
1968	RegSvcs.exe
1968	RegSvcs.exe
1968	RegSvcs.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1208	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1968	RegSvcs.exe
1968	RegSvcs.exe
1968	RegSvcs.exe
1152	help.exe
1152	help.exe
1152	help.exe
1152	help.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1280	PROFORMA INVOICE.exe
Token: SeDebugPrivilege	1968	RegSvcs.exe
Token: SeDebugPrivilege	1152	help.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 592	1280	PROFORMA INVOICE.exe	27
PID 1280 wrote to memory of 592	1280	PROFORMA INVOICE.exe	27
PID 1280 wrote to memory of 592	1280	PROFORMA INVOICE.exe	27
PID 1280 wrote to memory of 592	1280	PROFORMA INVOICE.exe	27
PID 1280 wrote to memory of 592	1280	PROFORMA INVOICE.exe	27
PID 1280 wrote to memory of 592	1280	PROFORMA INVOICE.exe	27
PID 1280 wrote to memory of 592	1280	PROFORMA INVOICE.exe	27
PID 1280 wrote to memory of 1968	1280	PROFORMA INVOICE.exe	28
PID 1280 wrote to memory of 1968	1280	PROFORMA INVOICE.exe	28
PID 1280 wrote to memory of 1968	1280	PROFORMA INVOICE.exe	28
PID 1280 wrote to memory of 1968	1280	PROFORMA INVOICE.exe	28
PID 1280 wrote to memory of 1968	1280	PROFORMA INVOICE.exe	28
PID 1280 wrote to memory of 1968	1280	PROFORMA INVOICE.exe	28
PID 1280 wrote to memory of 1968	1280	PROFORMA INVOICE.exe	28
PID 1280 wrote to memory of 1968	1280	PROFORMA INVOICE.exe	28
PID 1280 wrote to memory of 1968	1280	PROFORMA INVOICE.exe	28
PID 1280 wrote to memory of 1968	1280	PROFORMA INVOICE.exe	28
PID 1208 wrote to memory of 1152	1208	Explorer.EXE	29
PID 1208 wrote to memory of 1152	1208	Explorer.EXE	29
PID 1208 wrote to memory of 1152	1208	Explorer.EXE	29
PID 1208 wrote to memory of 1152	1208	Explorer.EXE	29
PID 1152 wrote to memory of 316	1152	help.exe	32
PID 1152 wrote to memory of 316	1152	help.exe	32
PID 1152 wrote to memory of 316	1152	help.exe	32
PID 1152 wrote to memory of 316	1152	help.exe	32
PID 1152 wrote to memory of 316	1152	help.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\PROFORMA INVOICE.exe
  "C:\Users\Admin\AppData\Local\Temp\PROFORMA INVOICE.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1280
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    PID:592
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1968
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1152
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

sqlite3.dll

Path \Users\Admin\AppData\Local\Temp\sqlite3.dll
Size 1.1MB
SHA256 90be88984ee60864256378c952d44b13d55ac032ab6a7b8c698885176bcece69
MD5 f55e5766477de5997da50f12c9c74c91
SHA1 4dc98900a887be95411f07b9e597c57bdc7dbab3
SHA512 983417a297e68b58fbd1c07fed7a1697d249110a2c10644b2dc96e3facedd3fbfbcac6a7809631ffd62894f02cadd4d3e62022b9e5e026e5bf434f1eb1878f05
SSDEEP 12288:49sUCIdY0iSQX8yVcOFT5l+Z0d2oCKX5Jq0Wh+x/2DJfFH+lqWKzpGS0wKIh:42JIWaw8JOF5ab9aWh+x89mqpx0wKIh
MD5 SHA1 SHA512 SSDEEP

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memory/1152-75-0x0000000000420000-0x00000000004AF000-memory.dmp

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memory/1152-72-0x0000000000690000-0x0000000000696000-memory.dmp

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memory/1152-73-0x0000000000080000-0x00000000000AD000-memory.dmp

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memory/1152-74-0x00000000006A0000-0x00000000009A3000-memory.dmp

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memory/1152-77-0x0000000000080000-0x00000000000AD000-memory.dmp

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memory/1208-70-0x0000000004D60000-0x0000000004E41000-memory.dmp

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memory/1208-79-0x0000000004F90000-0x0000000005096000-memory.dmp

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memory/1208-76-0x0000000004F90000-0x0000000005096000-memory.dmp

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memory/1280-57-0x0000000005330000-0x00000000053BC000-memory.dmp

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memory/1280-54-0x00000000013E0000-0x00000000014C4000-memory.dmp

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memory/1280-58-0x0000000000A60000-0x0000000000A94000-memory.dmp

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memory/1280-56-0x0000000000490000-0x00000000004B0000-memory.dmp

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memory/1280-55-0x0000000075601000-0x0000000075603000-memory.dmp

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memory/1968-60-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1968-69-0x0000000000180000-0x0000000000190000-memory.dmp

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memory/1968-68-0x00000000009C0000-0x0000000000CC3000-memory.dmp

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memory/1968-67-0x0000000000401000-0x000000000042F000-memory.dmp

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memory/1968-66-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1968-65-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1968-62-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1968-59-0x0000000000400000-0x000000000042F000-memory.dmp

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