formbook | 4fe14578d232d798a8aa4564ac8721be8d05b85ea32e7a85f97de0f34abcff7e

General

Target

NEW PURCHASE ORDER_PDF.exe
Size

694KB
MD5

cd2b13a269e4c6a8838a2fc606569368
SHA1

afcabd48a8d7ae1fa1087c352b4c4418a40096da
SHA256

4fe14578d232d798a8aa4564ac8721be8d05b85ea32e7a85f97de0f34abcff7e
SHA512

c41a582d09e07b2a8004622892ceaa378965f03163d1a6a26551ee7df19af055d0eb78b2b77dad484ca2d266a6ac7162b0c75852d056ebe27734d69e1fdba11b
SSDEEP

6144:7Bn1pkNz07AFqV5/kcbVJloA/NpZbFjOKMvMi7su/zmXF874Ns:P5/bZJTpiKMkKsunES

Score

10^/10

formbook 54ut rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

54ut

Decoy

1DeiXmzDLw+mW17NwLBXpXM=

Nouf/qArBV5GAPfIhxWPkDFrVQ==

9OCYganx4VaCX1EY/sUSfRDLx6s=

xh8rlilJ/SGckKI=

HGyA64YZyhUs3jvzno2F

yx7/XhxTuRiTcnLKrrOOXTrpW60=

ZYI6IbtcBFx+OpnLU0nXmw==

MhgenS1xYWYThQgS+A==

s0ada4bHHvtWWbYb

2/4IbaW+Ljsy6Ujzno2F

Z5WdKMj5YLgpH0ypdTEcLe2W/lf7j6Io

xXTmzNjzpvUMwTAHwYv2kw==

kcbnSAS0pkV2G1fXsFktVxiXmLTktXY=

PU0V5f0rnqjEhQgS+A==

Z8aNX4Sm/dbGhQgS+A==

s4bq4W4D4UJdYqqvU0nXmw==

a56Z6W0Asvwh3jzzno2F

Qmhm+fY3o6bEhQgS+A==

WIFCKZ/ZO+dCwTAHwYv2kw==

Nqjne5GxXbzY1f3Qp2rBkDFrVQ==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Executes dropped EXE 2 IoCs

Processes:

gpouag.exegpouag.exe

pid process

1512 gpouag.exe
1016 gpouag.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

Processes:

gpouag.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation gpouag.exe

pid	process
1512	gpouag.exe
1016	gpouag.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	gpouag.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

gpouag.exegpouag.exesvchost.exe

description	pid	process	target process
PID 1512 set thread context of 1016	1512	gpouag.exe	gpouag.exe
PID 1016 set thread context of 2792	1016	gpouag.exe	Explorer.EXE
PID 2848 set thread context of 2792	2848	svchost.exe	Explorer.EXE

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

Processes:

svchost.exe

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

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

gpouag.exesvchost.exe

pid	process
1016	gpouag.exe
1016	gpouag.exe
1016	gpouag.exe
1016	gpouag.exe
1016	gpouag.exe
1016	gpouag.exe
1016	gpouag.exe
1016	gpouag.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2792 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

gpouag.exegpouag.exesvchost.exe

pid process

1512 gpouag.exe
1016 gpouag.exe
1016 gpouag.exe
1016 gpouag.exe
2848 svchost.exe
2848 svchost.exe
2848 svchost.exe
2848 svchost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

gpouag.exesvchost.exe

description pid process

Token: SeDebugPrivilege 1016 gpouag.exe
Token: SeDebugPrivilege 2848 svchost.exe

pid	process
2792	Explorer.EXE

pid	process
1512	gpouag.exe
1016	gpouag.exe
1016	gpouag.exe
1016	gpouag.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe
2848	svchost.exe

description	pid	process
Token: SeDebugPrivilege	1016	gpouag.exe
Token: SeDebugPrivilege	2848	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

NEW PURCHASE ORDER_PDF.exegpouag.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 3372 wrote to memory of 1512	3372	NEW PURCHASE ORDER_PDF.exe	gpouag.exe
PID 3372 wrote to memory of 1512	3372	NEW PURCHASE ORDER_PDF.exe	gpouag.exe
PID 3372 wrote to memory of 1512	3372	NEW PURCHASE ORDER_PDF.exe	gpouag.exe
PID 1512 wrote to memory of 1016	1512	gpouag.exe	gpouag.exe
PID 1512 wrote to memory of 1016	1512	gpouag.exe	gpouag.exe
PID 1512 wrote to memory of 1016	1512	gpouag.exe	gpouag.exe
PID 1512 wrote to memory of 1016	1512	gpouag.exe	gpouag.exe
PID 2792 wrote to memory of 2848	2792	Explorer.EXE	svchost.exe
PID 2792 wrote to memory of 2848	2792	Explorer.EXE	svchost.exe
PID 2792 wrote to memory of 2848	2792	Explorer.EXE	svchost.exe
PID 2848 wrote to memory of 448	2848	svchost.exe	Firefox.exe
PID 2848 wrote to memory of 448	2848	svchost.exe	Firefox.exe
PID 2848 wrote to memory of 448	2848	svchost.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2792

C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER_PDF.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3372

C:\Users\Admin\AppData\Local\Temp\gpouag.exe
"C:\Users\Admin\AppData\Local\Temp\gpouag.exe" C:\Users\Admin\AppData\Local\Temp\zorka.ir
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1512

C:\Users\Admin\AppData\Local\Temp\gpouag.exe
"C:\Users\Admin\AppData\Local\Temp\gpouag.exe" C:\Users\Admin\AppData\Local\Temp\zorka.ir
4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1016

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.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:2848

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:448

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\aadnepdio.ct
Filesize
185KB

MD5
485e50ad253035cd9a766ec65aeeeb0d

SHA1
16eab8756e95ba08d0fa0923fdc31221382f2b23

SHA256
8ea1340fd6e0a87715ede0b890718b7ebee353f635e5bfcdaa3dcec845db16df

SHA512
dd36d6ffc3eb7a06ac4eb6873cccf271681d237151311e40c65d2c5fb8f29b6497178a5481f111d290775a10ff7506aed9dd0dff42008f058a62c18454352504

Download Submit
C:\Users\Admin\AppData\Local\Temp\gpouag.exe
Filesize
122KB

MD5
5be29d100860158694ee768e1855ac46

SHA1
9d28cc2f924c023bd1df48e55de91f5e072882ed

SHA256
74799a8a7a9781b454cfa3cb4db22e4688caae93ab3377c11c5102cc75a06ce1

SHA512
803db43f9e38d8d699912400de15578bcd47d0da6884a0662668ebf4fa096aae9acf846fa02009f3694e1803f148d9532a775a501604489057c8df700dfb8fa7

Download Submit
C:\Users\Admin\AppData\Local\Temp\gpouag.exe
Filesize
122KB

MD5
5be29d100860158694ee768e1855ac46

SHA1
9d28cc2f924c023bd1df48e55de91f5e072882ed

SHA256
74799a8a7a9781b454cfa3cb4db22e4688caae93ab3377c11c5102cc75a06ce1

SHA512
803db43f9e38d8d699912400de15578bcd47d0da6884a0662668ebf4fa096aae9acf846fa02009f3694e1803f148d9532a775a501604489057c8df700dfb8fa7

Download Submit
C:\Users\Admin\AppData\Local\Temp\gpouag.exe
Filesize
122KB

MD5
5be29d100860158694ee768e1855ac46

SHA1
9d28cc2f924c023bd1df48e55de91f5e072882ed

SHA256
74799a8a7a9781b454cfa3cb4db22e4688caae93ab3377c11c5102cc75a06ce1

SHA512
803db43f9e38d8d699912400de15578bcd47d0da6884a0662668ebf4fa096aae9acf846fa02009f3694e1803f148d9532a775a501604489057c8df700dfb8fa7

Download Submit
C:\Users\Admin\AppData\Local\Temp\zorka.ir
Filesize
5KB

MD5
e04bd4407c6b2456f0d1a6ed9d5f8fbe

SHA1
f15bb001c2acd4f76cb2f19a62dbd1a1b3041740

SHA256
a1939f558d864ad9e0af129835142a1a774a7aede756bd0c94e658c38bfbb723

SHA512
bf4fd47ff274ad713d882ef51f86bd6629d7d7aaeea407d0ea70a03ed93d86c42fa11529acb27152a595e0754ecc09dd4fc066d434414479762d6931c8c3c0aa

Download Submit
memory/1016-142-0x00000000005A0000-0x00000000005B0000-memory.dmp

Filesize
64KB

Download
memory/1016-137-0x0000000000000000-mapping.dmp

Download
memory/1016-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1016-141-0x0000000000B20000-0x0000000000E6A000-memory.dmp

Filesize
3.3MB

Download
memory/1016-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1016-145-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1512-132-0x0000000000000000-mapping.dmp

Download
memory/2792-150-0x0000000008540000-0x00000000086AC000-memory.dmp

Filesize
1.4MB

Download
memory/2792-143-0x0000000008340000-0x0000000008406000-memory.dmp

Filesize
792KB

Download
memory/2792-151-0x0000000008540000-0x00000000086AC000-memory.dmp

Filesize
1.4MB

Download
memory/2848-144-0x0000000000000000-mapping.dmp

Download
memory/2848-148-0x0000000000E40000-0x0000000000E6D000-memory.dmp

Filesize
180KB

Download
memory/2848-149-0x0000000001540000-0x00000000015CF000-memory.dmp

Filesize
572KB

Download
memory/2848-147-0x0000000001900000-0x0000000001C4A000-memory.dmp

Filesize
3.3MB

Download
memory/2848-146-0x0000000000960000-0x000000000096E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads