Analysis
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max time kernel
131s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
19-03-2023 17:59
Static task
static1
Behavioral task
behavioral1
Sample
61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe
Resource
win7-20230220-en
General
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Target
61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe
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Size
296KB
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MD5
7b4a2a3b79f2550149cda6141c9fcbba
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SHA1
ce4641a31e538ea05a53574de2c12d5ab2cf580d
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SHA256
61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd
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SHA512
9bc54e51bc6ac30b257ed0ca8820e12adb7abe3c88c958990bb702bbbb2694690e67757af3546e6f0c358bbf5784fc45b6a3f149aa2f3d1b7a6119aeaeefbaf3
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SSDEEP
6144:GcwSLJmySBx5DhTkxjgN1pOnaloCtDnu:jwSFmykPFgxjgNIqnu
Malware Config
Extracted
laplas
http://45.87.154.105
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api_key
1c630872d348a77d04368d542fde4663bc2bcb96f1b909554db3472c08df2767
Signatures
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Downloads MZ/PE file
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Deletes itself 1 IoCs
pid Process 1436 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 1340 FIJKEHJJDA.exe 1916 ntlhost.exe -
Loads dropped DLL 6 IoCs
pid Process 1240 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe 1240 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe 1940 cmd.exe 1940 cmd.exe 1340 FIJKEHJJDA.exe 1340 FIJKEHJJDA.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" FIJKEHJJDA.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 316 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 5 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1240 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1240 wrote to memory of 1940 1240 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe 29 PID 1240 wrote to memory of 1940 1240 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe 29 PID 1240 wrote to memory of 1940 1240 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe 29 PID 1240 wrote to memory of 1940 1240 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe 29 PID 1240 wrote to memory of 1436 1240 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe 31 PID 1240 wrote to memory of 1436 1240 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe 31 PID 1240 wrote to memory of 1436 1240 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe 31 PID 1240 wrote to memory of 1436 1240 61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe 31 PID 1436 wrote to memory of 316 1436 cmd.exe 33 PID 1436 wrote to memory of 316 1436 cmd.exe 33 PID 1436 wrote to memory of 316 1436 cmd.exe 33 PID 1436 wrote to memory of 316 1436 cmd.exe 33 PID 1940 wrote to memory of 1340 1940 cmd.exe 34 PID 1940 wrote to memory of 1340 1940 cmd.exe 34 PID 1940 wrote to memory of 1340 1940 cmd.exe 34 PID 1940 wrote to memory of 1340 1940 cmd.exe 34 PID 1340 wrote to memory of 1916 1340 FIJKEHJJDA.exe 35 PID 1340 wrote to memory of 1916 1340 FIJKEHJJDA.exe 35 PID 1340 wrote to memory of 1916 1340 FIJKEHJJDA.exe 35 PID 1340 wrote to memory of 1916 1340 FIJKEHJJDA.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe"C:\Users\Admin\AppData\Local\Temp\61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FIJKEHJJDA.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Users\Admin\AppData\Local\Temp\FIJKEHJJDA.exe"C:\Users\Admin\AppData\Local\Temp\FIJKEHJJDA.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe4⤵
- Executes dropped EXE
PID:1916
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1436 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:316
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.9MB
MD543c579b61538e72afa5307046c2f110d
SHA1b8c34206cec5c7993ec20c4bf6ce78c024179137
SHA25676cc8757ee316be0f5df4dc50c3a037c80c973010bf14865530c6565ed9dd6cc
SHA5123b4dfeea0d5c44bb419eba2a063d4ecee83862b2a06aae446b7a591c60bce93dfcd58c382a72d597a302ea12be3efa6711fb9791b34c85faed5867c3bef59d52
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Filesize
1.9MB
MD543c579b61538e72afa5307046c2f110d
SHA1b8c34206cec5c7993ec20c4bf6ce78c024179137
SHA25676cc8757ee316be0f5df4dc50c3a037c80c973010bf14865530c6565ed9dd6cc
SHA5123b4dfeea0d5c44bb419eba2a063d4ecee83862b2a06aae446b7a591c60bce93dfcd58c382a72d597a302ea12be3efa6711fb9791b34c85faed5867c3bef59d52
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Filesize
130.9MB
MD55c63ed04cc197c83e8d04b6222bb4452
SHA1f072b6f127a756b7a1289693605d7207d5bbc1e9
SHA256b55052a00b639692c6cc19633cebb7a067411c2f952ccac6e4fe0494bac34d35
SHA5124004efb70de4076aa23861e8d89c8451cb869199a597f94a34dd5d2722e7e44c511f750bb7f2ff6863eccc2a9bcebc910777971e4d8ee70865d77f976dbd1d48
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Filesize
132.6MB
MD50f4426c5c337b29aa7abd84a0518d706
SHA12bedc2e5156e8ee265f05fa1213b7ac18d576b12
SHA25699b366f545014552e9a6af8705c2c056c6bc4f5d9fc0da12da83ba1d49ee5261
SHA5120eb8dbb0c69a029621ece06273535aa898e0fc56b525e99133a70e894b7122ddcb6e8c22a63f0a93da164f79dd87ca86f921af2bcd37909b0fc85c609fa8e050
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
1.9MB
MD543c579b61538e72afa5307046c2f110d
SHA1b8c34206cec5c7993ec20c4bf6ce78c024179137
SHA25676cc8757ee316be0f5df4dc50c3a037c80c973010bf14865530c6565ed9dd6cc
SHA5123b4dfeea0d5c44bb419eba2a063d4ecee83862b2a06aae446b7a591c60bce93dfcd58c382a72d597a302ea12be3efa6711fb9791b34c85faed5867c3bef59d52
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Filesize
1.9MB
MD543c579b61538e72afa5307046c2f110d
SHA1b8c34206cec5c7993ec20c4bf6ce78c024179137
SHA25676cc8757ee316be0f5df4dc50c3a037c80c973010bf14865530c6565ed9dd6cc
SHA5123b4dfeea0d5c44bb419eba2a063d4ecee83862b2a06aae446b7a591c60bce93dfcd58c382a72d597a302ea12be3efa6711fb9791b34c85faed5867c3bef59d52
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Filesize
132.3MB
MD5d4f28c9d653746a817319438bd41dfa3
SHA1ee41f15cdfa0af863fa70a3668e42329e7f8d3e7
SHA256db5e655526ce1e0714cbb02bb93c23848da7d21f740c761ad457dcb34da599b1
SHA5125f211c4583fef2b3da0c0b8de3b958d05ee9ffbe19e4d5837d6d2e1d88ed4ab193aa9f6a67810b2e8f684137d07a2d04c962cc647781d8ff3f38d2cec38f1b4e
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Filesize
133.5MB
MD511ee16e86fe4828bc80a666c2adf2565
SHA1655773325799e67ba4b62da4be953dd11f3c2753
SHA256f78d1470d9a056ff5507455a97690ad2b582e57d8a081dbc79f88ecb74bc1d46
SHA512e49fe3758d6cc68f7d4b33d279ccb680de966700e556f3d6ea592ba70a96703b67fd459639704d565771a2af67b8b8c5b292dbc37b6a3bfac5eee70833019421