formbook | 9b6c0f168cdbcc0aedb4884e856777cf5c31f55d9c3e09cb2e2ead9e53a3ce63

General

Target

SecuriteInfo.com.Trojan.Garf.Gen.6.9110.8665.exe
Size

247KB
MD5

e6d350443298710c357a4a51a09d4a81
SHA1

6e563bfe1917e2b88a340495e6f3f6850384dc06
SHA256

9b6c0f168cdbcc0aedb4884e856777cf5c31f55d9c3e09cb2e2ead9e53a3ce63
SHA512

15f8463a3bb9625a1d7f877c82a93c0866bcfb69e71693ffc9f3b6580709c0ceb62f6b6ce3d3bd1d1a008440bd8f43c4c4d8f8c7cd91f449a3a795ab8198cf47
SSDEEP

6144:LBnbP1MAaVfa7ZEYkEiqYf9Ly7toeA8HIx8n70sRGkGPv:FSPJet7YftyGeA6K+a

Score

10^/10

formbook k6n9 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

k6n9

Decoy

NzUYPBPnE+UWNJX0b/5zZQ==

ZcsDmdfNeiREr4loZ9k=

p4Pecr+pmTFp+Az4AGoSpvqp

4jwUP0ApYThdpDmZcNp+xuej

0tmQjRQKSQbR0N86

MgfR+qwWljDdagbsn8Ukr8bc8A==

shQ3YCpOQPp/9g==

Q4mmwEidJLBJug25c6Vxcg==

OM1kEJDdGNpv7nMy

7FmP1iykTQZ7q0Hq5g==

9lVGWV44H63+A5oGc6Vxcg==

Bs97fiCGUye5Osm9xsOYZnb8SEC+YszE

xJMBmQj3MRDV7MBXzEep

mJpebAH7RkkGGbsZwZ/weg==

u6FXU+JCphyVyCsUBP0Spvqp

B/mwulPBDRm5q0Hq5g==

E+JiHcUb7gR+8A==

BgGOL5SLfQ9BzuPDxzeVKEIuOKDL

wZdfmzTbOcnEF3Mi1QnVpPCo

J63Z+Jv5L+JOhd+zc6Vxcg==

Signatures

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

Processes:

khrdei.exekhrdei.exe

pid process

4312 khrdei.exe
444 khrdei.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:

khrdei.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation khrdei.exe

pid	process
4312	khrdei.exe
444	khrdei.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	khrdei.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

khrdei.exekhrdei.exeraserver.exe

description	pid	process	target process
PID 4312 set thread context of 444	4312	khrdei.exe	khrdei.exe
PID 444 set thread context of 2640	444	khrdei.exe	Explorer.EXE
PID 4476 set thread context of 2640	4476	raserver.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:

raserver.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

khrdei.exeraserver.exe

pid	process
444	khrdei.exe
444	khrdei.exe
444	khrdei.exe
444	khrdei.exe
444	khrdei.exe
444	khrdei.exe
444	khrdei.exe
444	khrdei.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2640 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

khrdei.exekhrdei.exeraserver.exe

pid process

4312 khrdei.exe
444 khrdei.exe
444 khrdei.exe
444 khrdei.exe
4476 raserver.exe
4476 raserver.exe
4476 raserver.exe
4476 raserver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

khrdei.exeraserver.exe

description pid process

Token: SeDebugPrivilege 444 khrdei.exe
Token: SeDebugPrivilege 4476 raserver.exe

pid	process
2640	Explorer.EXE

pid	process
4312	khrdei.exe
444	khrdei.exe
444	khrdei.exe
444	khrdei.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe
4476	raserver.exe

description	pid	process
Token: SeDebugPrivilege	444	khrdei.exe
Token: SeDebugPrivilege	4476	raserver.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

SecuriteInfo.com.Trojan.Garf.Gen.6.9110.8665.exekhrdei.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 5056 wrote to memory of 4312	5056	SecuriteInfo.com.Trojan.Garf.Gen.6.9110.8665.exe	khrdei.exe
PID 5056 wrote to memory of 4312	5056	SecuriteInfo.com.Trojan.Garf.Gen.6.9110.8665.exe	khrdei.exe
PID 5056 wrote to memory of 4312	5056	SecuriteInfo.com.Trojan.Garf.Gen.6.9110.8665.exe	khrdei.exe
PID 4312 wrote to memory of 444	4312	khrdei.exe	khrdei.exe
PID 4312 wrote to memory of 444	4312	khrdei.exe	khrdei.exe
PID 4312 wrote to memory of 444	4312	khrdei.exe	khrdei.exe
PID 4312 wrote to memory of 444	4312	khrdei.exe	khrdei.exe
PID 2640 wrote to memory of 4476	2640	Explorer.EXE	raserver.exe
PID 2640 wrote to memory of 4476	2640	Explorer.EXE	raserver.exe
PID 2640 wrote to memory of 4476	2640	Explorer.EXE	raserver.exe
PID 4476 wrote to memory of 2312	4476	raserver.exe	Firefox.exe
PID 4476 wrote to memory of 2312	4476	raserver.exe	Firefox.exe
PID 4476 wrote to memory of 2312	4476	raserver.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2640

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Garf.Gen.6.9110.8665.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Garf.Gen.6.9110.8665.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:5056

C:\Users\Admin\AppData\Local\Temp\khrdei.exe
"C:\Users\Admin\AppData\Local\Temp\khrdei.exe" C:\Users\Admin\AppData\Local\Temp\cmdghwjm.u
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4312

C:\Users\Admin\AppData\Local\Temp\khrdei.exe
"C:\Users\Admin\AppData\Local\Temp\khrdei.exe"
4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:444

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.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:4476

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2312

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\cmdghwjm.u
Filesize
5KB

MD5
822f22bb953a33b000712be626a3b5ec

SHA1
70c58bec036d24a64dcb6dcdf3de73f3a5aa8f76

SHA256
48599caf70c5941c51f4bf6c91805876aa90c3d69a506d14327d8c703564879e

SHA512
6615708dd4386c60022456863ea84c41553d4371bde8614dc816f0cfcd811f8339613a7f9725cc9087b09655ee3e2f7dc61c3b22b43f101c6c36e21c4ed7a71d

Download Submit
C:\Users\Admin\AppData\Local\Temp\huixielttv.it
Filesize
185KB

MD5
ccebfb1f8e6fde5e7e39bf806d2f8fa0

SHA1
c3a91315c4f9234a800e5ce86e35f2b103e79562

SHA256
0ac4d2fefc6a98cf449218da92a6f15a5106f7cdf34dfb78297d93015d4cb157

SHA512
84a01f6b74aa684f95ad4afd7f68e67607eb8fca3d663ab1e454fb762fbe371f5ef2c554ef8bcffcff9acc4ab1bbc0f11b8237ecf59ef2d8bc928c459aaac50b

Download Submit
C:\Users\Admin\AppData\Local\Temp\khrdei.exe
Filesize
23KB

MD5
1eed533450616d90dda951bb76a23a69

SHA1
34d603cc4b6e55a78bda46b9f7cd2b08a1ff4b76

SHA256
a9dcfbfe40606b2dcf512b72c0d16a359fe7095eff94b36de84a6f93e8332ebc

SHA512
f704098a5f912c7ed977cd94aba03108e5a2f1e63480109bc259dad9e8efb64d0a5016df65d5de3b762aca061b94550067804368a00aba34ea20f1c53c1b9924

Download Submit
C:\Users\Admin\AppData\Local\Temp\khrdei.exe
Filesize
23KB

MD5
1eed533450616d90dda951bb76a23a69

SHA1
34d603cc4b6e55a78bda46b9f7cd2b08a1ff4b76

SHA256
a9dcfbfe40606b2dcf512b72c0d16a359fe7095eff94b36de84a6f93e8332ebc

SHA512
f704098a5f912c7ed977cd94aba03108e5a2f1e63480109bc259dad9e8efb64d0a5016df65d5de3b762aca061b94550067804368a00aba34ea20f1c53c1b9924

Download Submit
C:\Users\Admin\AppData\Local\Temp\khrdei.exe
Filesize
23KB

MD5
1eed533450616d90dda951bb76a23a69

SHA1
34d603cc4b6e55a78bda46b9f7cd2b08a1ff4b76

SHA256
a9dcfbfe40606b2dcf512b72c0d16a359fe7095eff94b36de84a6f93e8332ebc

SHA512
f704098a5f912c7ed977cd94aba03108e5a2f1e63480109bc259dad9e8efb64d0a5016df65d5de3b762aca061b94550067804368a00aba34ea20f1c53c1b9924

Download Submit
memory/444-143-0x0000000000430000-0x0000000000440000-memory.dmp

Filesize
64KB

Download
memory/444-142-0x0000000000422000-0x0000000000424000-memory.dmp

Filesize
8KB

Download
memory/444-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/444-140-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/444-141-0x0000000000C70000-0x0000000000FBA000-memory.dmp

Filesize
3.3MB

Download
memory/444-137-0x0000000000000000-mapping.dmp

Download
memory/2640-144-0x00000000085A0000-0x00000000086C0000-memory.dmp

Filesize
1.1MB

Download
memory/2640-151-0x00000000086C0000-0x00000000087C7000-memory.dmp

Filesize
1.0MB

Download
memory/2640-152-0x00000000086C0000-0x00000000087C7000-memory.dmp

Filesize
1.0MB

Download
memory/4312-132-0x0000000000000000-mapping.dmp

Download
memory/4476-145-0x0000000000000000-mapping.dmp

Download
memory/4476-146-0x0000000000E20000-0x0000000000E3F000-memory.dmp

Filesize
124KB

Download
memory/4476-147-0x0000000001280000-0x00000000012AD000-memory.dmp

Filesize
180KB

Download
memory/4476-148-0x0000000003180000-0x00000000034CA000-memory.dmp

Filesize
3.3MB

Download
memory/4476-149-0x0000000002FA0000-0x000000000302F000-memory.dmp

Filesize
572KB

Download
memory/4476-150-0x0000000001280000-0x00000000012AD000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads