purelogstealer | a7f605d4110bba430e02c7c5240e656fb3f1dd7f02dce985e9e5677169c9de55

General

Target

tmp.exe
Size

284KB
MD5

e3dc222d0a34c4b230f538a67bb7265d
SHA1

d88345aef0e59341e6c4297d2685cb5f08c0aa80
SHA256

a7f605d4110bba430e02c7c5240e656fb3f1dd7f02dce985e9e5677169c9de55
SHA512

3d775c3c940ddd3d43fa56726ae4f8c0442a4d576cb410e60e2f010e1ff6273a2064f646c6af4a6993ff78924c329ac821811f97402d1472495c1d7a6d838797
SSDEEP

6144:ukXNoFja9QXwKN1NdR7ws5lDohIiTXcnXzrCZemJPg1ZVzqH:jiFWUtXjDojODrXeIBze

Score

10^/10

purelogstealer smokeloader backdoor persistence stealer trojan

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://glueberry-og.cc/

http://glueberry-og.co/

http://glueberry-og.to/

rc4.i32

Signatures

PureLog Stealer
PureLog Stealer is an infostealer written in C#.
stealer purelogstealer

PureLog Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2340-2-0x0000000000530000-0x000000000057A000-memory.dmp	family_purelog_stealer

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\SOCKET5 = "C:\\Users\\Admin\\AppData\\Roaming\\SOCKET5.exe"	tmp.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

tmp.exe

description pid process target process

PID 2340 set thread context of 2512 2340 tmp.exe RegAsm.exe

description	pid	process	target process
PID 2340 set thread context of 2512	2340	tmp.exe	RegAsm.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	RegAsm.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	RegAsm.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

RegAsm.exe

pid	process
2512	RegAsm.exe
2512	RegAsm.exe
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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

RegAsm.exe

pid process

2512 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tmp.exe

description pid process

Token: SeDebugPrivilege 2340 tmp.exe

description	pid	process
Token: SeDebugPrivilege	2340	tmp.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 2340 wrote to memory of 2512	2340	tmp.exe	RegAsm.exe
PID 2340 wrote to memory of 2512	2340	tmp.exe	RegAsm.exe
PID 2340 wrote to memory of 2512	2340	tmp.exe	RegAsm.exe
PID 2340 wrote to memory of 2512	2340	tmp.exe	RegAsm.exe
PID 2340 wrote to memory of 2512	2340	tmp.exe	RegAsm.exe
PID 2340 wrote to memory of 2512	2340	tmp.exe	RegAsm.exe
PID 2340 wrote to memory of 2512	2340	tmp.exe	RegAsm.exe
PID 2340 wrote to memory of 2512	2340	tmp.exe	RegAsm.exe
PID 2340 wrote to memory of 2512	2340	tmp.exe	RegAsm.exe
PID 2340 wrote to memory of 2512	2340	tmp.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1244-15-0x0000000002980000-0x0000000002996000-memory.dmp

Filesize
88KB

Download
memory/2340-6-0x0000000000DC0000-0x0000000000E0C000-memory.dmp

Filesize
304KB

Download
memory/2340-13-0x00000000740A0000-0x000000007478E000-memory.dmp

Filesize
6.9MB

Download
memory/2340-3-0x0000000004A70000-0x0000000004AB0000-memory.dmp

Filesize
256KB

Download
memory/2340-4-0x0000000000790000-0x00000000007C2000-memory.dmp

Filesize
200KB

Download
memory/2340-5-0x0000000000B90000-0x0000000000BC2000-memory.dmp

Filesize
200KB

Download
memory/2340-0-0x0000000001050000-0x000000000109E000-memory.dmp

Filesize
312KB

Download
memory/2340-1-0x00000000740A0000-0x000000007478E000-memory.dmp

Filesize
6.9MB

Download
memory/2340-2-0x0000000000530000-0x000000000057A000-memory.dmp

Filesize
296KB

Download
memory/2512-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2512-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2512-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2512-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2512-16-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2512-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads