snakekeylogger | b8c9a4161e9621de6e7fa177230bd3841a575a00f0456b54efab368046479722

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2023 06:18

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General

Target

U1su8hmVj4ourFo.exe
Size

696KB
MD5

6948d3ae7ef630dd997b7d09e17159a0
SHA1

f22729b5b442119a1de75e12af90e3d97a1de68c
SHA256

b8c9a4161e9621de6e7fa177230bd3841a575a00f0456b54efab368046479722
SHA512

a11f351dd83dcb96485ae834085f28eb740b3295dbaa550acb717b0084a0a6cff9568a5084f7b690edea2c4f537ced85185d5735618bcebce993656f751cb751
SSDEEP

12288:6p11OhPAWlfRexM/YUPH6NFusNkmXuQcKyHQu:6O5AWlfRAFNMSMQcKBu

Score

10^/10

snakekeylogger zgrat keylogger rat stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5764904494:AAFs_l-L1X-oXjUJWZbsXjBMAreHGetTJvw/sendMessage?chat_id=5582419717

Signatures

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4432-10-0x0000000007CA0000-0x0000000007D02000-memory.dmp	family_zgrat_v1

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3500-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

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:

U1su8hmVj4ourFo.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation	U1su8hmVj4ourFo.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

57 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

U1su8hmVj4ourFo.exe

description pid process target process

PID 4432 set thread context of 3500 4432 U1su8hmVj4ourFo.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4488 3500 WerFault.exe MSBuild.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

4428 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exeU1su8hmVj4ourFo.exeMSBuild.exe

pid process

2728 powershell.exe
4432 U1su8hmVj4ourFo.exe
4432 U1su8hmVj4ourFo.exe
3500 MSBuild.exe
2728 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeU1su8hmVj4ourFo.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 2728 powershell.exe
Token: SeDebugPrivilege 4432 U1su8hmVj4ourFo.exe
Token: SeDebugPrivilege 3500 MSBuild.exe

flow	ioc
57	checkip.dyndns.org

description	pid	process	target process
PID 4432 set thread context of 3500	4432	U1su8hmVj4ourFo.exe	MSBuild.exe

pid	pid_target	process	target process
4488	3500	WerFault.exe	MSBuild.exe

pid	process
4428	schtasks.exe

pid	process
2728	powershell.exe
4432	U1su8hmVj4ourFo.exe
4432	U1su8hmVj4ourFo.exe
3500	MSBuild.exe
2728	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2728	powershell.exe
Token: SeDebugPrivilege	4432	U1su8hmVj4ourFo.exe
Token: SeDebugPrivilege	3500	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

U1su8hmVj4ourFo.exe

description	pid	process	target process
PID 4432 wrote to memory of 2728	4432	U1su8hmVj4ourFo.exe	powershell.exe
PID 4432 wrote to memory of 2728	4432	U1su8hmVj4ourFo.exe	powershell.exe
PID 4432 wrote to memory of 2728	4432	U1su8hmVj4ourFo.exe	powershell.exe
PID 4432 wrote to memory of 4428	4432	U1su8hmVj4ourFo.exe	schtasks.exe
PID 4432 wrote to memory of 4428	4432	U1su8hmVj4ourFo.exe	schtasks.exe
PID 4432 wrote to memory of 4428	4432	U1su8hmVj4ourFo.exe	schtasks.exe
PID 4432 wrote to memory of 4592	4432	U1su8hmVj4ourFo.exe	MSBuild.exe
PID 4432 wrote to memory of 4592	4432	U1su8hmVj4ourFo.exe	MSBuild.exe
PID 4432 wrote to memory of 4592	4432	U1su8hmVj4ourFo.exe	MSBuild.exe
PID 4432 wrote to memory of 3500	4432	U1su8hmVj4ourFo.exe	MSBuild.exe
PID 4432 wrote to memory of 3500	4432	U1su8hmVj4ourFo.exe	MSBuild.exe
PID 4432 wrote to memory of 3500	4432	U1su8hmVj4ourFo.exe	MSBuild.exe
PID 4432 wrote to memory of 3500	4432	U1su8hmVj4ourFo.exe	MSBuild.exe
PID 4432 wrote to memory of 3500	4432	U1su8hmVj4ourFo.exe	MSBuild.exe
PID 4432 wrote to memory of 3500	4432	U1su8hmVj4ourFo.exe	MSBuild.exe
PID 4432 wrote to memory of 3500	4432	U1su8hmVj4ourFo.exe	MSBuild.exe
PID 4432 wrote to memory of 3500	4432	U1su8hmVj4ourFo.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\U1su8hmVj4ourFo.exe
"C:\Users\Admin\AppData\Local\Temp\U1su8hmVj4ourFo.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4432

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ovQRCl.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ovQRCl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7CFB.tmp"
2⤵
- Creates scheduled task(s)
PID:4428

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
PID:4592

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 1732
3⤵
- Program crash
PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3500 -ip 3500
1⤵
PID:1916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dasw2vqq.y3i.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7CFB.tmp

Filesize
1KB

MD5
47b4aec3d53dd357a316e499268514de

SHA1
e6867ab6e58fda52d32b273c8301b71fa263b5ae

SHA256
04756621a6fca300998c17be9e9246d8ebb4f71c6729025dc08c3821bed83c96

SHA512
5fc0b38d6a9c50ddaa0700a0ec9743e7726976069c263801364959b897e19741dfcae98047fd3769e77cf364183fc4a4a3450702a9fce5eb47d635157bc62efe

Download Submit
memory/2728-58-0x0000000008180000-0x00000000087FA000-memory.dmp

Filesize
6.5MB

Download
memory/2728-21-0x0000000005A50000-0x0000000006078000-memory.dmp

Filesize
6.2MB

Download
memory/2728-73-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/2728-70-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/2728-69-0x0000000007E80000-0x0000000007E88000-memory.dmp

Filesize
32KB

Download
memory/2728-68-0x0000000007EA0000-0x0000000007EBA000-memory.dmp

Filesize
104KB

Download
memory/2728-67-0x0000000007DA0000-0x0000000007DB4000-memory.dmp

Filesize
80KB

Download
memory/2728-65-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/2728-64-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/2728-59-0x0000000007B40000-0x0000000007B5A000-memory.dmp

Filesize
104KB

Download
memory/2728-16-0x0000000005270000-0x00000000052A6000-memory.dmp

Filesize
216KB

Download
memory/2728-18-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/2728-62-0x0000000007D40000-0x0000000007D51000-memory.dmp

Filesize
68KB

Download
memory/2728-19-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/2728-61-0x0000000007DC0000-0x0000000007E56000-memory.dmp

Filesize
600KB

Download
memory/2728-45-0x0000000006E10000-0x0000000006E42000-memory.dmp

Filesize
200KB

Download
memory/2728-60-0x0000000007BB0000-0x0000000007BBA000-memory.dmp

Filesize
40KB

Download
memory/2728-23-0x0000000005940000-0x0000000005962000-memory.dmp

Filesize
136KB

Download
memory/2728-57-0x0000000007A20000-0x0000000007AC3000-memory.dmp

Filesize
652KB

Download
memory/2728-26-0x00000000061A0000-0x0000000006206000-memory.dmp

Filesize
408KB

Download
memory/2728-25-0x0000000006080000-0x00000000060E6000-memory.dmp

Filesize
408KB

Download
memory/2728-39-0x0000000006210000-0x0000000006564000-memory.dmp

Filesize
3.3MB

Download
memory/2728-20-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/2728-66-0x0000000007D90000-0x0000000007D9E000-memory.dmp

Filesize
56KB

Download
memory/2728-56-0x0000000006DF0000-0x0000000006E0E000-memory.dmp

Filesize
120KB

Download
memory/2728-46-0x00000000712E0000-0x000000007132C000-memory.dmp

Filesize
304KB

Download
memory/2728-41-0x00000000055C0000-0x00000000055DE000-memory.dmp

Filesize
120KB

Download
memory/2728-42-0x0000000006CA0000-0x0000000006CEC000-memory.dmp

Filesize
304KB

Download
memory/2728-43-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/2728-44-0x000000007F040000-0x000000007F050000-memory.dmp

Filesize
64KB

Download
memory/3500-63-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/3500-40-0x0000000002F50000-0x0000000002F60000-memory.dmp

Filesize
64KB

Download
memory/3500-33-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/3500-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4432-2-0x00000000055F0000-0x0000000005B94000-memory.dmp

Filesize
5.6MB

Download
memory/4432-0-0x0000000000670000-0x0000000000724000-memory.dmp

Filesize
720KB

Download
memory/4432-22-0x0000000000D40000-0x0000000000D68000-memory.dmp

Filesize
160KB

Download
memory/4432-1-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/4432-3-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/4432-11-0x0000000007DA0000-0x0000000007E3C000-memory.dmp

Filesize
624KB

Download
memory/4432-10-0x0000000007CA0000-0x0000000007D02000-memory.dmp

Filesize
392KB

Download
memory/4432-9-0x0000000006420000-0x000000000642C000-memory.dmp

Filesize
48KB

Download
memory/4432-34-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/4432-8-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

Filesize
64KB

Download
memory/4432-7-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/4432-6-0x0000000006610000-0x0000000006628000-memory.dmp

Filesize
96KB

Download
memory/4432-5-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

Filesize
40KB

Download
memory/4432-4-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

Filesize
64KB

Download