masslogger | a856e5350e746c93706bb1ab5ea9ecf205fa1ac10c4363a248cd8b9ef456e66c

Analysis

max time kernel
106s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 11:18

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General

Target

Order inquiry skmt042.exe
Size

886KB
MD5

293669a0b90d7bc20d639c077517ef93
SHA1

dbe8051a4f25ee4716297a36295cafb4e46c951c
SHA256

f6df04b1b109a5d525073529a3877c3df598f9fcb62278a82412fc7736ed1ba7
SHA512

1fbd62362ff5769bb07557a498c85eab818e4916a33aab2cc65dee5566ae3a6bc6b0761e943ea7d2551a70f7609881b8d3c23c1f69a60751ff1c80749079165a

Score

10^/10

masslogger spyware stealer

Malware Config

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 32 IoCs

resource	yara_rule
behavioral2/memory/1068-136-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-138-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-140-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-142-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-144-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-146-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-148-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-150-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-152-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-154-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-156-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-158-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-160-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-162-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-164-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-166-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-168-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-170-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-172-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-174-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-176-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-178-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-180-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-182-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-184-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-186-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-188-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-190-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-192-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-194-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-196-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/1068-198-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	Order inquiry skmt042.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 1068	2380	Order inquiry skmt042.exe	88

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3440	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2380	Order inquiry skmt042.exe
2380	Order inquiry skmt042.exe
2380	Order inquiry skmt042.exe
2380	Order inquiry skmt042.exe
2380	Order inquiry skmt042.exe
2380	Order inquiry skmt042.exe
4596	powershell.exe
4596	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	Order inquiry skmt042.exe
Token: SeDebugPrivilege	1068	Order inquiry skmt042.exe
Token: SeDebugPrivilege	4596	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 3440	2380	Order inquiry skmt042.exe	86
PID 2380 wrote to memory of 3440	2380	Order inquiry skmt042.exe	86
PID 2380 wrote to memory of 3440	2380	Order inquiry skmt042.exe	86
PID 2380 wrote to memory of 1068	2380	Order inquiry skmt042.exe	88
PID 2380 wrote to memory of 1068	2380	Order inquiry skmt042.exe	88
PID 2380 wrote to memory of 1068	2380	Order inquiry skmt042.exe	88
PID 2380 wrote to memory of 1068	2380	Order inquiry skmt042.exe	88
PID 2380 wrote to memory of 1068	2380	Order inquiry skmt042.exe	88
PID 2380 wrote to memory of 1068	2380	Order inquiry skmt042.exe	88
PID 2380 wrote to memory of 1068	2380	Order inquiry skmt042.exe	88
PID 2380 wrote to memory of 1068	2380	Order inquiry skmt042.exe	88
PID 1068 wrote to memory of 2944	1068	Order inquiry skmt042.exe	89
PID 1068 wrote to memory of 2944	1068	Order inquiry skmt042.exe	89
PID 1068 wrote to memory of 2944	1068	Order inquiry skmt042.exe	89
PID 2944 wrote to memory of 4596	2944	cmd.exe	91
PID 2944 wrote to memory of 4596	2944	cmd.exe	91
PID 2944 wrote to memory of 4596	2944	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\Order inquiry skmt042.exe
"C:\Users\Admin\AppData\Local\Temp\Order inquiry skmt042.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lgzxpd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB882.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3440
- C:\Users\Admin\AppData\Local\Temp\Order inquiry skmt042.exe
  "{path}"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1068
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\Order inquiry skmt042.exe' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2944
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\Order inquiry skmt042.exe'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4596

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Order inquiry skmt042.exe.log

Filesize
412B

MD5
ad1c7f6525cfeb54c0487efd38b0e26c

SHA1
ed3da94723ac7e3828a9e93d68418bb810592f3b

SHA256
0a534a3d0fa82e6a427164c5f6e702cac7e4afc9967af9bc5ddba4f84ab33276

SHA512
48d625e6be5391d91d95c2850226fe39bb2411cb72139797699cfe126e6b066182e83950a8ea67e63b64a66b0d45f58d8bc97cab0363d55c2fd88c0d1d28009c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB882.tmp

Filesize
1KB

MD5
04498c80c01890f24b0cbd89c54cad62

SHA1
3335ac6b88441e0c095e61f655c8cf06fb0347d2

SHA256
b29d81b395c5afdecf3c3cfdf30a921fce865880b3fc549900f52b24fdf3357e

SHA512
c3fa7262d7a3b93b8395dcbb869f3cd7589cfaac90ff621823f47bc4dbd7f9a0f5b6e6b36bcbc53bb4ea00d6dd9aed5e34a357540118ce36f3ad368570c53e5b

Download Submit
memory/1068-182-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-142-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-140-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-184-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-144-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-146-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-148-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-150-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-152-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-154-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-156-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-158-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-160-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-162-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-186-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-166-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-168-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-170-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-172-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-174-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-176-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-178-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-180-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-138-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-136-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-164-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-188-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-190-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-192-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-194-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-196-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-198-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1068-653-0x0000000005BE0000-0x0000000006184000-memory.dmp

Filesize
5.6MB

Download
memory/1068-654-0x0000000005930000-0x0000000005996000-memory.dmp

Filesize
408KB

Download
memory/2380-130-0x0000000000740000-0x0000000000824000-memory.dmp

Filesize
912KB

Download
memory/2380-131-0x0000000005580000-0x000000000561C000-memory.dmp

Filesize
624KB

Download
memory/2380-132-0x0000000005620000-0x00000000056B2000-memory.dmp

Filesize
584KB

Download
memory/4596-658-0x0000000005360000-0x0000000005396000-memory.dmp

Filesize
216KB

Download
memory/4596-659-0x00000000059E0000-0x0000000006008000-memory.dmp

Filesize
6.2MB

Download
memory/4596-660-0x0000000005990000-0x00000000059B2000-memory.dmp

Filesize
136KB

Download
memory/4596-661-0x0000000006180000-0x00000000061E6000-memory.dmp

Filesize
408KB

Download
memory/4596-662-0x0000000006920000-0x000000000693E000-memory.dmp

Filesize
120KB

Download
memory/4596-663-0x0000000008020000-0x000000000869A000-memory.dmp

Filesize
6.5MB

Download
memory/4596-664-0x0000000006E00000-0x0000000006E1A000-memory.dmp

Filesize
104KB

Download
memory/4596-665-0x0000000007BA0000-0x0000000007C36000-memory.dmp

Filesize
600KB

Download
memory/4596-666-0x0000000006ED0000-0x0000000006EF2000-memory.dmp

Filesize
136KB

Download