formbook | 9223ea1f88d99f8c593d7f8b888df49378bbdad7ba3a3a21cd762ea390f7c28d

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21-03-2023 05:45

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General

Target

27bb66e7e3ff9b2094fb568e243c1d20.exe
Size

307KB
MD5

27bb66e7e3ff9b2094fb568e243c1d20
SHA1

58ccfc20f2240af3bf98fc7121cfafb0c2a6f833
SHA256

9223ea1f88d99f8c593d7f8b888df49378bbdad7ba3a3a21cd762ea390f7c28d
SHA512

bc7e55c3bb2fbd5ffe58ef69b935b26ce0e893a37ac038733420b8335bce06a2a7beebde745760586a309af0bdadfc42c444f8d6e7d7886b0e2c10858d17d1f2
SSDEEP

6144:/Ya6/om87RH3+UAHQlFVTgy0vSRyPtZQA39ee8GDKkNKpd2DryescPi:/YdoV7p3MuF9WKIPtZb97DKfp1Aq

Score

10^/10

formbook dcn0 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

dcn0

Decoy

ZVx68vDtAMBCwg==

oBMBvsNORkM/O/ox

Ff9pISWkm6eG4lByIspp

c2T42c6CIIF6B8xTxm9XzpVw

bvjhxRbnAC183w==

0lTttSNG4HUDNflyIspp

hPXFlstqiHA/O/ox

WLR+MeerxZ0cNn1ja+IQAYo=

IHRn4xXOVKi477zarG+ObSy7YJA=

Xhf3e+tdAC183w==

Xk0ZAezv2rWH

kngo+vBeSRN7AszNwam3Osmguuqc0MoC

a2Qp7a+E8fSw7LDjpnqEKjsRZA==

3zjy4E7+QM48wg==

YcCmqT3OUNAigVott2pBKiy7YJA=

4+SMeX1juat/5cZ1AZihcyy7YJA=

/+m7sro0OBTl3TMpCw==

i2ctEfe4//a64yklMsgS2J90

+loZ2QKGX0UWgpvErMs=

b9BNCnJWQJS8IfsR0uR3bCy7YJA=

Signatures

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

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:

kmdgiiip.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Control Panel\International\Geo\Nation	kmdgiiip.exe

Executes dropped EXE 2 IoCs

Processes:

kmdgiiip.exekmdgiiip.exe

pid process

1404 kmdgiiip.exe
752 kmdgiiip.exe
Loads dropped DLL 4 IoCs

Processes:

27bb66e7e3ff9b2094fb568e243c1d20.exekmdgiiip.exesvchost.exe

pid process

1376 27bb66e7e3ff9b2094fb568e243c1d20.exe
1376 27bb66e7e3ff9b2094fb568e243c1d20.exe
1404 kmdgiiip.exe
1124 svchost.exe

pid	process
1404	kmdgiiip.exe
752	kmdgiiip.exe

pid	process
1376	27bb66e7e3ff9b2094fb568e243c1d20.exe
1376	27bb66e7e3ff9b2094fb568e243c1d20.exe
1404	kmdgiiip.exe
1124	svchost.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

kmdgiiip.exekmdgiiip.exesvchost.exe

description	pid	process	target process
PID 1404 set thread context of 752	1404	kmdgiiip.exe	kmdgiiip.exe
PID 752 set thread context of 1236	752	kmdgiiip.exe	Explorer.EXE
PID 1124 set thread context of 1236	1124	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-1-5-21-3948302646-268491222-1934009652-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	svchost.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

kmdgiiip.exesvchost.exe

pid	process
752	kmdgiiip.exe
752	kmdgiiip.exe
752	kmdgiiip.exe
752	kmdgiiip.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1236 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

kmdgiiip.exekmdgiiip.exesvchost.exe

pid process

1404 kmdgiiip.exe
752 kmdgiiip.exe
752 kmdgiiip.exe
752 kmdgiiip.exe
1124 svchost.exe
1124 svchost.exe
1124 svchost.exe
1124 svchost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

kmdgiiip.exesvchost.exe

description pid process

Token: SeDebugPrivilege 752 kmdgiiip.exe
Token: SeDebugPrivilege 1124 svchost.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1236 Explorer.EXE
1236 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1236 Explorer.EXE
1236 Explorer.EXE

pid	process
1236	Explorer.EXE

pid	process
1404	kmdgiiip.exe
752	kmdgiiip.exe
752	kmdgiiip.exe
752	kmdgiiip.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe

description	pid	process
Token: SeDebugPrivilege	752	kmdgiiip.exe
Token: SeDebugPrivilege	1124	svchost.exe

pid	process
1236	Explorer.EXE
1236	Explorer.EXE

pid	process
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

27bb66e7e3ff9b2094fb568e243c1d20.exekmdgiiip.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1376 wrote to memory of 1404	1376	27bb66e7e3ff9b2094fb568e243c1d20.exe	kmdgiiip.exe
PID 1376 wrote to memory of 1404	1376	27bb66e7e3ff9b2094fb568e243c1d20.exe	kmdgiiip.exe
PID 1376 wrote to memory of 1404	1376	27bb66e7e3ff9b2094fb568e243c1d20.exe	kmdgiiip.exe
PID 1376 wrote to memory of 1404	1376	27bb66e7e3ff9b2094fb568e243c1d20.exe	kmdgiiip.exe
PID 1404 wrote to memory of 752	1404	kmdgiiip.exe	kmdgiiip.exe
PID 1404 wrote to memory of 752	1404	kmdgiiip.exe	kmdgiiip.exe
PID 1404 wrote to memory of 752	1404	kmdgiiip.exe	kmdgiiip.exe
PID 1404 wrote to memory of 752	1404	kmdgiiip.exe	kmdgiiip.exe
PID 1404 wrote to memory of 752	1404	kmdgiiip.exe	kmdgiiip.exe
PID 1236 wrote to memory of 1124	1236	Explorer.EXE	svchost.exe
PID 1236 wrote to memory of 1124	1236	Explorer.EXE	svchost.exe
PID 1236 wrote to memory of 1124	1236	Explorer.EXE	svchost.exe
PID 1236 wrote to memory of 1124	1236	Explorer.EXE	svchost.exe
PID 1124 wrote to memory of 912	1124	svchost.exe	Firefox.exe
PID 1124 wrote to memory of 912	1124	svchost.exe	Firefox.exe
PID 1124 wrote to memory of 912	1124	svchost.exe	Firefox.exe
PID 1124 wrote to memory of 912	1124	svchost.exe	Firefox.exe
PID 1124 wrote to memory of 912	1124	svchost.exe	Firefox.exe

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:1236

C:\Users\Admin\AppData\Local\Temp\27bb66e7e3ff9b2094fb568e243c1d20.exe
"C:\Users\Admin\AppData\Local\Temp\27bb66e7e3ff9b2094fb568e243c1d20.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1376

C:\Users\Admin\AppData\Local\Temp\kmdgiiip.exe
"C:\Users\Admin\AppData\Local\Temp\kmdgiiip.exe" C:\Users\Admin\AppData\Local\Temp\gwobocms.rto
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1404

C:\Users\Admin\AppData\Local\Temp\kmdgiiip.exe
"C:\Users\Admin\AppData\Local\Temp\kmdgiiip.exe"
4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:752

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.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:1124

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:912

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\gwobocms.rto
Filesize
5KB

MD5
fe6fcfefa38bab70b5a5de603030ff61

SHA1
3dda65557dc6ce0955f01f1d100ad7700ae4baef

SHA256
225d9b3a3361c769ce75cc5940e5075e5d5548030ba2681736a3b403dcae59f7

SHA512
ad19cca6697f91da5148f7ddcaf91fe8ea1c43053da21720d4ba39c7b7660f5f9434e463a701b5163fed6940efa2fc8ee945a2706646b9ec6363a600613a5725

Download Submit
C:\Users\Admin\AppData\Local\Temp\k4j8ury8.zip
Filesize
435KB

MD5
c42ec8f35c6a06666e6ad54471a2728b

SHA1
c3cc57a816927fa616616939b4b7a63c2322cfa1

SHA256
22bb304aab3ec7a51fc4dc7749f304bbe01c5ec014144fbc8f86012dc3b0708b

SHA512
6fe9a3c3f861663b6408fd5136d202835a89344072996dd65dda14fa04707662a26d0c6ed482fd0606a270943112d9effc07424af90621094f6fbb88c8ff7eae

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

MD5
fbf3b6215ccf43a9f8bd094dd30315a5

SHA1
4ba70897d79deab49c1002eb359e81bf75447578

SHA256
0c874caffd22395e3abdef0a3da851237942f3a2db7b4ab2e9ca9e9da4a57ff7

SHA512
0d3fee9351238880555e20d6606ab8064871f6588292c56490d6e07f7a3a20f050fa26732cf80e880ec037ab839a791277b6ad154eb02e26fb72b9cd214abc66

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

MD5
fbf3b6215ccf43a9f8bd094dd30315a5

SHA1
4ba70897d79deab49c1002eb359e81bf75447578

SHA256
0c874caffd22395e3abdef0a3da851237942f3a2db7b4ab2e9ca9e9da4a57ff7

SHA512
0d3fee9351238880555e20d6606ab8064871f6588292c56490d6e07f7a3a20f050fa26732cf80e880ec037ab839a791277b6ad154eb02e26fb72b9cd214abc66

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

MD5
fbf3b6215ccf43a9f8bd094dd30315a5

SHA1
4ba70897d79deab49c1002eb359e81bf75447578

SHA256
0c874caffd22395e3abdef0a3da851237942f3a2db7b4ab2e9ca9e9da4a57ff7

SHA512
0d3fee9351238880555e20d6606ab8064871f6588292c56490d6e07f7a3a20f050fa26732cf80e880ec037ab839a791277b6ad154eb02e26fb72b9cd214abc66

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

MD5
fbf3b6215ccf43a9f8bd094dd30315a5

SHA1
4ba70897d79deab49c1002eb359e81bf75447578

SHA256
0c874caffd22395e3abdef0a3da851237942f3a2db7b4ab2e9ca9e9da4a57ff7

SHA512
0d3fee9351238880555e20d6606ab8064871f6588292c56490d6e07f7a3a20f050fa26732cf80e880ec037ab839a791277b6ad154eb02e26fb72b9cd214abc66

Download Submit
C:\Users\Admin\AppData\Local\Temp\wfcbdjdnov.ee
Filesize
204KB

MD5
4931431215e9651423864a58443356c8

SHA1
d3c37dc4a5cb932ccb57241cdb5db5f98fe58cbf

SHA256
e03aa0023fa3257acab678ce97eb39ac4d5c576815241e306cb232906d4e8918

SHA512
4dbb1a6e89d46b4beadbe3763a1da60c8c886531acb39d5a35d1675d2edd0f3d9b77b5ef8fa80f36e5e07758dd08bdd1e9d82f2b5e9259059a8f8122f0dd510a

Download Submit
\Users\Admin\AppData\Local\Temp\kmdgiiip.exe
Filesize
122KB

MD5
fbf3b6215ccf43a9f8bd094dd30315a5

SHA1
4ba70897d79deab49c1002eb359e81bf75447578

SHA256
0c874caffd22395e3abdef0a3da851237942f3a2db7b4ab2e9ca9e9da4a57ff7

SHA512
0d3fee9351238880555e20d6606ab8064871f6588292c56490d6e07f7a3a20f050fa26732cf80e880ec037ab839a791277b6ad154eb02e26fb72b9cd214abc66

Download Submit
\Users\Admin\AppData\Local\Temp\kmdgiiip.exe
Filesize
122KB

MD5
fbf3b6215ccf43a9f8bd094dd30315a5

SHA1
4ba70897d79deab49c1002eb359e81bf75447578

SHA256
0c874caffd22395e3abdef0a3da851237942f3a2db7b4ab2e9ca9e9da4a57ff7

SHA512
0d3fee9351238880555e20d6606ab8064871f6588292c56490d6e07f7a3a20f050fa26732cf80e880ec037ab839a791277b6ad154eb02e26fb72b9cd214abc66

Download Submit
\Users\Admin\AppData\Local\Temp\kmdgiiip.exe
Filesize
122KB

MD5
fbf3b6215ccf43a9f8bd094dd30315a5

SHA1
4ba70897d79deab49c1002eb359e81bf75447578

SHA256
0c874caffd22395e3abdef0a3da851237942f3a2db7b4ab2e9ca9e9da4a57ff7

SHA512
0d3fee9351238880555e20d6606ab8064871f6588292c56490d6e07f7a3a20f050fa26732cf80e880ec037ab839a791277b6ad154eb02e26fb72b9cd214abc66

Download Submit
\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
832KB

MD5
07fb6d31f37fb1b4164bef301306c288

SHA1
4cb41af6d63a07324ef6b18b1a1f43ce94e25626

SHA256
06ddf0a370af00d994824605a8e1307ba138f89b2d864539f0d19e8804edac02

SHA512
cab4a7c5805b80851aba5f2c9b001fabc1416f6648d891f49eacc81fe79287c5baa01306a42298da722750b812a4ea85388ffae9200dcf656dd1d5b5b9323353

Download Submit
memory/752-76-0x00000000000A0000-0x00000000000B0000-memory.dmp

Filesize
64KB

Download
memory/752-74-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/752-75-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/752-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/752-72-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1124-82-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1124-132-0x0000000061E00000-0x0000000061EBD000-memory.dmp

Filesize
756KB

Download
memory/1124-81-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/1124-80-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1124-78-0x0000000000860000-0x0000000000868000-memory.dmp

Filesize
32KB

Download
memory/1124-84-0x0000000000580000-0x000000000060F000-memory.dmp

Filesize
572KB

Download
memory/1124-135-0x0000000061E00000-0x0000000061EBD000-memory.dmp

Filesize
756KB

Download
memory/1124-79-0x0000000000860000-0x0000000000868000-memory.dmp

Filesize
32KB

Download
memory/1236-86-0x0000000006B50000-0x0000000006C94000-memory.dmp

Filesize
1.3MB

Download
memory/1236-90-0x000007FF5FA20000-0x000007FF5FA2A000-memory.dmp

Filesize
40KB

Download
memory/1236-77-0x0000000002B10000-0x0000000002BC7000-memory.dmp

Filesize
732KB

Download
memory/1236-73-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1236-88-0x0000000006B50000-0x0000000006C94000-memory.dmp

Filesize
1.3MB

Download
memory/1236-85-0x0000000006B50000-0x0000000006C94000-memory.dmp

Filesize
1.3MB

Download