snakekeylogger | b303d3f820da914a39a9a859de14c201515377f31f6631c7e0384dbe44fca53c

General

Target

IMG_57880.pdf.exe
Size

1.4MB
MD5

ff2ca3254245c648cbc0dab62e230948
SHA1

43f165fd6c8eb008618ada459ea02c87d9f6e33e
SHA256

b303d3f820da914a39a9a859de14c201515377f31f6631c7e0384dbe44fca53c
SHA512

378fe5ff61c80c8b9b704b7d061587e1bec1fa76ec07383cc3eeae25d44345da17e88c7350d518b2da262d182f74ba7e07fe4699ff18667bd4e81f3d26f38db2

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2272-14-0x000000000046364E-mapping.dmp	family_snakekeylogger
behavioral2/memory/2272-18-0x0000000000700000-0x0000000000768000-memory.dmp	family_snakekeylogger

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

2272 InstallUtil.exe
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

15 checkip.dyndns.org
18 freegeoip.app
19 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

IMG_57880.pdf.exe

description pid process target process

PID 496 set thread context of 2272 496 IMG_57880.pdf.exe InstallUtil.exe

pid	process
2272	InstallUtil.exe

flow	ioc
15	checkip.dyndns.org
18	freegeoip.app
19	freegeoip.app

description	pid	process	target process
PID 496 set thread context of 2272	496	IMG_57880.pdf.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

IMG_57880.pdf.exeInstallUtil.exe

pid	process
496	IMG_57880.pdf.exe
496	IMG_57880.pdf.exe
2272	InstallUtil.exe
2272	InstallUtil.exe
2272	InstallUtil.exe
2272	InstallUtil.exe
2272	InstallUtil.exe
2272	InstallUtil.exe
2272	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

IMG_57880.pdf.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 496 IMG_57880.pdf.exe
Token: SeDebugPrivilege 2272 InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	496	IMG_57880.pdf.exe
Token: SeDebugPrivilege	2272	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

IMG_57880.pdf.exe

description	pid	process	target process
PID 496 wrote to memory of 2272	496	IMG_57880.pdf.exe	InstallUtil.exe
PID 496 wrote to memory of 2272	496	IMG_57880.pdf.exe	InstallUtil.exe
PID 496 wrote to memory of 2272	496	IMG_57880.pdf.exe	InstallUtil.exe
PID 496 wrote to memory of 2272	496	IMG_57880.pdf.exe	InstallUtil.exe
PID 496 wrote to memory of 2272	496	IMG_57880.pdf.exe	InstallUtil.exe
PID 496 wrote to memory of 2272	496	IMG_57880.pdf.exe	InstallUtil.exe
PID 496 wrote to memory of 2272	496	IMG_57880.pdf.exe	InstallUtil.exe
PID 496 wrote to memory of 2272	496	IMG_57880.pdf.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\IMG_57880.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_57880.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:496

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2272

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/496-7-0x0000000003070000-0x000000000308E000-memory.dmp

Filesize
120KB

Download
memory/496-5-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/496-2-0x0000000073360000-0x0000000073A4E000-memory.dmp

Filesize
6.9MB

Download
memory/496-8-0x00000000031B0000-0x00000000031B1000-memory.dmp

Filesize
4KB

Download
memory/496-9-0x0000000008110000-0x0000000008111000-memory.dmp

Filesize
4KB

Download
memory/496-10-0x0000000008DB0000-0x0000000008DBB000-memory.dmp

Filesize
44KB

Download
memory/496-11-0x0000000008DC0000-0x0000000008DC1000-memory.dmp

Filesize
4KB

Download
memory/496-12-0x0000000003091000-0x0000000003092000-memory.dmp

Filesize
4KB

Download
memory/496-3-0x0000000000C70000-0x0000000000C71000-memory.dmp

Filesize
4KB

Download
memory/496-6-0x0000000003090000-0x0000000003091000-memory.dmp

Filesize
4KB

Download
memory/2272-14-0x000000000046364E-mapping.dmp

Download
memory/2272-17-0x0000000073360000-0x0000000073A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2272-18-0x0000000000700000-0x0000000000768000-memory.dmp

Filesize
416KB

Download
memory/2272-20-0x00000000051B0000-0x00000000051B1000-memory.dmp

Filesize
4KB

Download
memory/2272-22-0x0000000004E40000-0x0000000004E41000-memory.dmp

Filesize
4KB

Download
memory/2272-23-0x0000000005E00000-0x0000000005E01000-memory.dmp

Filesize
4KB

Download
memory/2272-25-0x0000000005D40000-0x0000000005D41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads