privateloader | ac2fcadee1d8209ad9d5f3842020adb3ec81d0bd0bf977a726edaecfd26ac317

Analysis

max time kernel
90s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-01-2023 08:31

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General

Target

file.exe
Size

5.0MB
MD5

d384b4d1d761853f01257a96d02e8300
SHA1

d33265591eedddf7d7af5a932bc8e4e4a2229e6c
SHA256

ac2fcadee1d8209ad9d5f3842020adb3ec81d0bd0bf977a726edaecfd26ac317
SHA512

7b6be8dbcb0875f6c16f28a8594cdfe895902b09252b4631c4181baedaa4bf9159920f045f254f4c51be34aa9ad70e6a2c3630cd4d0e4dd6a046998b67e108bb
SSDEEP

98304:adFwHQR3l8sa3HlTKPGmrI2TpY8g26sTYlt4b8nXE:arR7a3lTKualK8g2/Tm4z

Score

10^/10

privateloader rhadamanthys loader stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2960-158-0x0000000002790000-0x00000000027AD000-memory.dmp	family_rhadamanthys

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader
Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

file.exe

description pid process target process

PID 5092 created 2556 5092 file.exe taskhostw.exe

description	pid	process	target process
PID 5092 created 2556	5092	file.exe	taskhostw.exe

Loads dropped DLL 9 IoCs

Processes:

file.exengentask.exe

pid	process
5092	file.exe
4676	ngentask.exe
4676	ngentask.exe
4676	ngentask.exe
4676	ngentask.exe
4676	ngentask.exe
4676	ngentask.exe
4676	ngentask.exe
4676	ngentask.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 ipinfo.io
12 ipinfo.io
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

Processes:

fontview.exe

pid process

2960 fontview.exe
2960 fontview.exe
2960 fontview.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description pid process target process

PID 5092 set thread context of 4676 5092 file.exe ngentask.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4848 4676 WerFault.exe ngentask.exe
3064 4676 WerFault.exe ngentask.exe

flow	ioc
11	ipinfo.io
12	ipinfo.io

pid	process
2960	fontview.exe
2960	fontview.exe
2960	fontview.exe

description	pid	process	target process
PID 5092 set thread context of 4676	5092	file.exe	ngentask.exe

pid	pid_target	process	target process
4848	4676	WerFault.exe	ngentask.exe
3064	4676	WerFault.exe	ngentask.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

fontview.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fontview.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	fontview.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\HardwareID	fontview.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fontview.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fontview.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

file.exe

pid	process
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe
5092	file.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

fontview.exe

description pid process

Token: SeShutdownPrivilege 2960 fontview.exe
Token: SeCreatePagefilePrivilege 2960 fontview.exe

description	pid	process
Token: SeShutdownPrivilege	2960	fontview.exe
Token: SeCreatePagefilePrivilege	2960	fontview.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

file.exe

description	pid	process	target process
PID 5092 wrote to memory of 4676	5092	file.exe	ngentask.exe
PID 5092 wrote to memory of 4676	5092	file.exe	ngentask.exe
PID 5092 wrote to memory of 4676	5092	file.exe	ngentask.exe
PID 5092 wrote to memory of 4676	5092	file.exe	ngentask.exe
PID 5092 wrote to memory of 4676	5092	file.exe	ngentask.exe
PID 5092 wrote to memory of 2960	5092	file.exe	fontview.exe
PID 5092 wrote to memory of 2960	5092	file.exe	fontview.exe
PID 5092 wrote to memory of 2960	5092	file.exe	fontview.exe
PID 5092 wrote to memory of 2960	5092	file.exe	fontview.exe

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2556

C:\Windows\SysWOW64\fontview.exe
"C:\Windows\SYSWOW64\fontview.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:2960

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5092

C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe"
2⤵
- Loads dropped DLL
PID:4676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 1324
3⤵
- Program crash
PID:4848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 1344
3⤵
- Program crash
PID:3064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4676 -ip 4676
1⤵
PID:748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4676 -ip 4676
1⤵
PID:4268

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\240557875.dll
Filesize
335KB

MD5
f8d36091acfdc104254d90a91588d569

SHA1
3ac92b58e3378a6d88349cf8549ba8334a90b608

SHA256
7765a84991c1fc872740ffbcb1bc0563e4edc31fcf02ce9341fa1f316c6efdc4

SHA512
fc2f2bac554997593468cef0fcbd6c0b24e00852ba199b9cedb4c5c4af52eb6874e15e346953d2f47c31b05f18eec1f0865495187be943cd1fcf27ed4fb8a5f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\freebl3.dll
Filesize
326KB

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\freebl3.dll
Filesize
326KB

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\freebl3.dll
Filesize
326KB

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\freebl3.dll
Filesize
326KB

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\mozglue.dll
Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\nss3.dll
Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\softokn3.dll
Filesize
141KB

MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\softokn3.dll
Filesize
141KB

MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

Download Submit
memory/2960-147-0x0000000000C00000-0x0000000000C35000-memory.dmp

Filesize
212KB

Download
memory/2960-160-0x0000000000C00000-0x0000000000C35000-memory.dmp

Filesize
212KB

Download
memory/2960-157-0x0000000000D53000-0x0000000000D56000-memory.dmp

Filesize
12KB

Download
memory/2960-145-0x0000000000C00000-0x0000000000C35000-memory.dmp

Filesize
212KB

Download
memory/2960-146-0x0000000000000000-mapping.dmp

Download
memory/2960-158-0x0000000002790000-0x00000000027AD000-memory.dmp

Filesize
116KB

Download
memory/2960-159-0x0000000002C90000-0x0000000003C90000-memory.dmp

Filesize
16.0MB

Download
memory/4676-140-0x0000000000400000-0x000000000077D000-memory.dmp

Filesize
3.5MB

Download
memory/4676-138-0x0000000000400000-0x000000000077D000-memory.dmp

Filesize
3.5MB

Download
memory/4676-137-0x0000000000000000-mapping.dmp

Download
memory/4676-156-0x0000000000400000-0x000000000077D000-memory.dmp

Filesize
3.5MB

Download
memory/4676-141-0x0000000000400000-0x000000000077D000-memory.dmp

Filesize
3.5MB

Download
memory/4676-143-0x0000000000400000-0x000000000077D000-memory.dmp

Filesize
3.5MB

Download
memory/4676-142-0x0000000000400000-0x000000000077D000-memory.dmp

Filesize
3.5MB

Download
memory/5092-132-0x0000000002CA0000-0x0000000003153000-memory.dmp

Filesize
4.7MB

Download
memory/5092-133-0x000000000C5E0000-0x000000000E901000-memory.dmp

Filesize
35.1MB

Download
memory/5092-134-0x000000000C5E0000-0x000000000E901000-memory.dmp

Filesize
35.1MB

Download
memory/5092-135-0x0000000002CA0000-0x0000000003153000-memory.dmp

Filesize
4.7MB

Download
memory/5092-136-0x000000000C5E0000-0x000000000E901000-memory.dmp

Filesize
35.1MB

Download
memory/5092-161-0x0000000002CA0000-0x0000000003153000-memory.dmp

Filesize
4.7MB

Download