snakekeylogger | 283a23b5137c06811fc59411e30f85f91c7728528cbdad2afeb93cba0f65b598

General

Target

Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
Size

577KB
MD5

262b52d9590ed5c1810aea72743a52b9
SHA1

1dd3ccec496afccc5da4d2d9614149d56606f050
SHA256

283a23b5137c06811fc59411e30f85f91c7728528cbdad2afeb93cba0f65b598
SHA512

9456a271a35a491c0eefeea4b996908f2df71818198ae31fa2719b2e77e951948a11bbde612d96639b1aa3ebbc10fe2f048e0f9c4d4d7ad0e3a19ae75b3c5cc2
SSDEEP

12288:5ucopox4F9DmF2+R3NXfyKT/T0ysS07jTImEwScLzA:DeZ4hVJ190vTImEDCzA

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Signatures

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

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2288-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2288-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2288-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2288-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2288-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2288-22-0x00000000048A0000-0x00000000048E0000-memory.dmp	family_snakekeylogger

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

4 checkip.dyndns.org

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

Halkbank_Ekstre_20231129_532423_6373443.pdf.exe

description	pid	process	target process
PID 2208 set thread context of 2288	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Halkbank_Ekstre_20231129_532423_6373443.pdf.exeHalkbank_Ekstre_20231129_532423_6373443.pdf.exe

pid	process
2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
2288	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Halkbank_Ekstre_20231129_532423_6373443.pdf.exeHalkbank_Ekstre_20231129_532423_6373443.pdf.exe

description	pid	process
Token: SeDebugPrivilege	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
Token: SeDebugPrivilege	2288	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Halkbank_Ekstre_20231129_532423_6373443.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231129_532423_6373443.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231129_532423_6373443.pdf.exe"
2⤵
PID:2688

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231129_532423_6373443.pdf.exe"
2⤵
PID:2336

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20231129_532423_6373443.pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2288

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2208-0-0x00000000001B0000-0x0000000000246000-memory.dmp

Filesize
600KB

Download
memory/2208-1-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2208-2-0x0000000004F50000-0x0000000004F90000-memory.dmp

Filesize
256KB

Download
memory/2208-3-0x0000000000490000-0x00000000004A8000-memory.dmp

Filesize
96KB

Download
memory/2208-4-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2208-5-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/2208-6-0x0000000004790000-0x00000000047F0000-memory.dmp

Filesize
384KB

Download
memory/2208-18-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2288-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2288-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2288-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2288-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2288-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2288-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2288-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2288-19-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2288-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2288-20-0x00000000048A0000-0x00000000048E0000-memory.dmp

Filesize
256KB

Download
memory/2288-21-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2288-22-0x00000000048A0000-0x00000000048E0000-memory.dmp

Filesize
256KB

Download

description	pid	process	target process
PID 2208 wrote to memory of 2688	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2688	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2688	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2688	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2336	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2336	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2336	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2336	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2288	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2288	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2288	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2288	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2288	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2288	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2288	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2288	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe
PID 2208 wrote to memory of 2288	2208	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe	Halkbank_Ekstre_20231129_532423_6373443.pdf.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads