xloader | 27572043b01a99f3901af4bd40faf03cd04e722e3fb7ba866ccdb3b2d3fabb11

General

Target

klSsrzxwsbxeJQh.exe
Size

818KB
MD5

3be1fa609b4f6efa9d30b5c75810f863
SHA1

61dcd8a4bd4641a7cc4800b5aea9ecaf7c6609bf
SHA256

27572043b01a99f3901af4bd40faf03cd04e722e3fb7ba866ccdb3b2d3fabb11
SHA512

b5d36a463c8eca050b3db941449d79b91c870990685b20bc192f09037231a17c2939c74b2312820a09aa54e553e61a6ab0320ea7b5f9ee60a92331ccf79b7911

Score

10^/10

xloader loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.arogyanlife.com/b82a/

Decoy

annguyet.net

parkwood.tech

readysetmortgage.net

betraywithdraw.com

incmagazine.xyz

dentistinpimplesaudagar.com

lianhx.com

prodrelease0827b.com

safehavenwellbeing.com

gehdeinweg.club

sondaggio123.space

prospecx.report

remediate.info

savylash.com

puppornstar.com

coaching-romand.com

boozeshops.com

team316media.com

ldgawydtl.icu

trezteez.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral2/memory/3968-122-0x0000000007260000-0x000000000726B000-memory.dmp	CustAttr

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1120-125-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/1120-126-0x000000000041CFC0-mapping.dmp	xloader
behavioral2/memory/2372-133-0x0000000003200000-0x0000000003228000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

klSsrzxwsbxeJQh.exeklSsrzxwsbxeJQh.execmstp.exe

description	pid	process	target process
PID 3968 set thread context of 1120	3968	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 1120 set thread context of 2492	1120	klSsrzxwsbxeJQh.exe	Explorer.EXE
PID 2372 set thread context of 2492	2372	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

klSsrzxwsbxeJQh.exeklSsrzxwsbxeJQh.execmstp.exe

pid	process
3968	klSsrzxwsbxeJQh.exe
3968	klSsrzxwsbxeJQh.exe
1120	klSsrzxwsbxeJQh.exe
1120	klSsrzxwsbxeJQh.exe
1120	klSsrzxwsbxeJQh.exe
1120	klSsrzxwsbxeJQh.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe
2372	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2492 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

klSsrzxwsbxeJQh.execmstp.exe

pid process

1120 klSsrzxwsbxeJQh.exe
1120 klSsrzxwsbxeJQh.exe
1120 klSsrzxwsbxeJQh.exe
2372 cmstp.exe
2372 cmstp.exe

pid	process
2492	Explorer.EXE

pid	process
1120	klSsrzxwsbxeJQh.exe
1120	klSsrzxwsbxeJQh.exe
1120	klSsrzxwsbxeJQh.exe
2372	cmstp.exe
2372	cmstp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

klSsrzxwsbxeJQh.exeklSsrzxwsbxeJQh.execmstp.exe

description	pid	process
Token: SeDebugPrivilege	3968	klSsrzxwsbxeJQh.exe
Token: SeDebugPrivilege	1120	klSsrzxwsbxeJQh.exe
Token: SeDebugPrivilege	2372	cmstp.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2492 Explorer.EXE

pid	process
2492	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

klSsrzxwsbxeJQh.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 3968 wrote to memory of 1048	3968	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 3968 wrote to memory of 1048	3968	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 3968 wrote to memory of 1048	3968	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 3968 wrote to memory of 1120	3968	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 3968 wrote to memory of 1120	3968	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 3968 wrote to memory of 1120	3968	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 3968 wrote to memory of 1120	3968	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 3968 wrote to memory of 1120	3968	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 3968 wrote to memory of 1120	3968	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 2492 wrote to memory of 2372	2492	Explorer.EXE	cmstp.exe
PID 2492 wrote to memory of 2372	2492	Explorer.EXE	cmstp.exe
PID 2492 wrote to memory of 2372	2492	Explorer.EXE	cmstp.exe
PID 2372 wrote to memory of 1432	2372	cmstp.exe	cmd.exe
PID 2372 wrote to memory of 1432	2372	cmstp.exe	cmd.exe
PID 2372 wrote to memory of 1432	2372	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2492

C:\Users\Admin\AppData\Local\Temp\klSsrzxwsbxeJQh.exe
"C:\Users\Admin\AppData\Local\Temp\klSsrzxwsbxeJQh.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3968

C:\Users\Admin\AppData\Local\Temp\klSsrzxwsbxeJQh.exe
"C:\Users\Admin\AppData\Local\Temp\klSsrzxwsbxeJQh.exe"
3⤵
PID:1048

C:\Users\Admin\AppData\Local\Temp\klSsrzxwsbxeJQh.exe
"C:\Users\Admin\AppData\Local\Temp\klSsrzxwsbxeJQh.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1120

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1644

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2164

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2252

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2188

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2344

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2384

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\klSsrzxwsbxeJQh.exe"
3⤵
PID:1432

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1120-125-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1120-127-0x0000000001560000-0x0000000001880000-memory.dmp

Filesize
3.1MB

Download
memory/1120-128-0x0000000000F80000-0x0000000000F90000-memory.dmp

Filesize
64KB

Download
memory/1120-126-0x000000000041CFC0-mapping.dmp

Download
memory/1432-131-0x0000000000000000-mapping.dmp

Download
memory/2372-130-0x0000000000000000-mapping.dmp

Download
memory/2372-133-0x0000000003200000-0x0000000003228000-memory.dmp

Filesize
160KB

Download
memory/2372-135-0x0000000004B60000-0x0000000004BEF000-memory.dmp

Filesize
572KB

Download
memory/2372-134-0x00000000047B0000-0x0000000004AD0000-memory.dmp

Filesize
3.1MB

Download
memory/2372-132-0x0000000000B10000-0x0000000000B26000-memory.dmp

Filesize
88KB

Download
memory/2492-129-0x00000000059F0000-0x0000000005B23000-memory.dmp

Filesize
1.2MB

Download
memory/2492-136-0x00000000058D0000-0x00000000059D3000-memory.dmp

Filesize
1.0MB

Download
memory/3968-119-0x0000000005130000-0x0000000005131000-memory.dmp

Filesize
4KB

Download
memory/3968-118-0x00000000051C0000-0x00000000051C1000-memory.dmp

Filesize
4KB

Download
memory/3968-117-0x0000000005620000-0x0000000005621000-memory.dmp

Filesize
4KB

Download
memory/3968-121-0x0000000005120000-0x000000000561E000-memory.dmp

Filesize
5.0MB

Download
memory/3968-114-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/3968-116-0x0000000005080000-0x0000000005081000-memory.dmp

Filesize
4KB

Download
memory/3968-120-0x00000000053B0000-0x00000000053B1000-memory.dmp

Filesize
4KB

Download
memory/3968-124-0x0000000008870000-0x000000000889F000-memory.dmp

Filesize
188KB

Download
memory/3968-123-0x00000000087B0000-0x0000000008824000-memory.dmp

Filesize
464KB

Download
memory/3968-122-0x0000000007260000-0x000000000726B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads