guloader | 59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04

Analysis

max time kernel
149s
max time network
148s
platform
windows11-21h2_x64
resource
win11-20251229-en
resource tags

arch:x64arch:x86image:win11-20251229-enlocale:en-usos:windows11-21h2-x64system
submitted
09/01/2026, 15:25

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe
Size 1.2MB
Sample260109-st4mcagv4e
SHA256 59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04
MD5 4bb17c379038b3eb5c12861132e8819a
SHA1 a6240319d5aed0193e51c69d953fb2107c81e69e
SHA512 3693f0a48fa90666e2fe32431a70d5dd0ee82302f74eb34d20a6b243f9c06cd963d7c60dd11ab4755cc267328670527c26ee5c0761caea0cc9433995840fa8aa
SSDEEP 24576:yTMn6rH75Z2EGuyURQhzRACxeEzpVessMBFa8QRQt5bgw/msswwYz1pWq:yTMn6rHNZ2nuGXsmpV7sMXPQRQt5h3sm
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

discovery downloader guloader

Malware Config

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Loads dropped DLL 2 IoCs

pid	Process
3456	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe
3456	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe

Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

Web Service

T1102

flow	ioc
1	drive.google.com
2	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3456	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe
6124	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Bankautomaten60.htm	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Fonts\differensernes.ini	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe
File opened for modification	C:\Windows\resources\Selvudfoldelsernes.bin	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe
File opened for modification	C:\Windows\resources\0409\dukhobor\udliggerbaad.exe	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3456	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 2772	3456	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe	78
PID 3456 wrote to memory of 6124	3456	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe	79
PID 3456 wrote to memory of 6124	3456	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe	79
PID 6124 wrote to memory of 4504	6124	59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe	80

C:\Users\Admin\AppData\Local\Temp\59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe
"C:\Users\Admin\AppData\Local\Temp\59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Users\Admin\AppData\Local\Temp\59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe
  "C:\Users\Admin\AppData\Local\Temp\59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe"
  2⤵
  PID:2772
- C:\Users\Admin\AppData\Local\Temp\59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe
  "C:\Users\Admin\AppData\Local\Temp\59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6124
- - C:\Users\Admin\AppData\Local\Temp\59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe
    "C:\Users\Admin\AppData\Local\Temp\59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe"
    3⤵
    PID:4504

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

Microtheos.lnk

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Microtheos.lnk
Size 924B
SHA256 f8cdbf3246301314d31f93792ad3125cc6ea1cee6d82b4a6446d1725bee4d500
MD5 f228aa06d8fb2b74cca0461e84aa6d58
SHA1 88b02b4b9daa0b8f0131b8ce8b652770036e3fe6
SHA512 392b09459c706c47b58079b7dc7bf14531463c1b3be7cd5ae5de6b3e9bfeea39e36c5d57da9edae14693af2ae90d8df655849a1a37465710e8011a8d0ea81cb2
TLSH
T19B117B186BE92710E3F78A3185F2112A947A7C00EA652B0D0045429A1C76B11E5A8F1E
MD5 SHA1 SHA512 TLSH

Submit Download

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsfC574.tmp\System.dll
Size 12KB
SHA256 7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
MD5 564bb0373067e1785cba7e4c24aab4bf
SHA1 7c9416a01d821b10b2eef97b80899d24014d6fc1
SHA512 22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472
SSDEEP 192:nenY0qWTlt70IAj/lQ0sEWc/wtYbBH2aDybC7y+XBDIwL:n8+Qlt70Fj/lQRY/9VjjfL
TLSH
T1F6427D1193B089F2F590593805A67F2A6FBEAC5C27E44963CFE345853D702DFA47A243
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

nsqC69F.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsqC69F.tmp
Size 12B
SHA256 9c2c033694acd2ee629918b688ee91e0032e6d2fa5cbb6b39a13e50024e73e01
MD5 f55b9d6e5f20db4066c68219d6cc7244
SHA1 b3a70fc3ea2da60d58274d9466a88a1e57926356
SHA512 35bde19664ead683e639f42ed8447eab5bac8a1ac873efde467439e0631e3ece634b90e25140e62f46189df57f5c8fb6af44a8062ca9750514f8571d5860f2e1
MD5 SHA1 SHA512

Submit Download

nsqC69F.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsqC69F.tmp
Size 20B
SHA256 c152946d88097adcbbeb52acd3782c8d106f88dfafc7c9af47f67e67ba33854a
MD5 c589bbe6630724ff6d9cd2a91a525417
SHA1 6bc8a215554743d971d2d5e4feb023d193349a27
SHA512 20cff8a5b511621a968972ba4c439400534969a01b57fefe14b81094bda1deec944dc97dbce61a8b769b37e3a1a9443d579174fa6f35d34eabe4fcf8376eea3a
MD5 SHA1 SHA512

Submit Download

nsqC78A.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsqC78A.tmp
Size 1B
SHA256 8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a
MD5 8ce4b16b22b58894aa86c421e8759df3
SHA1 13fbd79c3d390e5d6585a21e11ff5ec1970cff0c
SHA512 2af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25
MD5 SHA1 SHA512

Submit Download

nsqC78A.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsqC78A.tmp
Size 6B
SHA256 6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c
MD5 50484c19f1afdaf3841a0d821ed393d2
SHA1 c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b
SHA512 d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b
MD5 SHA1 SHA512

Submit Download

nsqC78A.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsqC78A.tmp
Size 8B
SHA256 1c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101
MD5 c3cb69218b85c3260387fb582cb518dd
SHA1 961c892ded09a4cbb5392097bb845ccba65902ad
SHA512 2402fffeb89c531db742bf6f5466eee8fe13edf97b8ecfc2cace3522806b322924d1ca81dda25e59b4047b8f40ad11ae9216e0a0d5c7fc6beef4368eb9551422
MD5 SHA1 SHA512

Submit Download

nsqC78A.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsqC78A.tmp
Size 9B
SHA256 ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858
MD5 2b3884fe02299c565e1c37ee7ef99293
SHA1 d8e2ef2a52083f6df210109fea53860ea227af9c
SHA512 aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe
MD5 SHA1 SHA512

Submit Download

nsqC78A.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsqC78A.tmp
Size 10B
SHA256 a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92
MD5 9a53fc1d7126c5e7c81bb5c15b15537b
SHA1 e2d13e0fa37de4c98f30c728210d6afafbb2b000
SHA512 b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1
MD5 SHA1 SHA512

Submit Download

nsqC8C3.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsqC8C3.tmp
Size 2B
SHA256 8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc
MD5 25bc6654798eb508fa0b6343212a74fe
SHA1 15d5e1d3b948fd5986aaff7d9419b5e52c75fc93
SHA512 5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898
MD5 SHA1 SHA512

Submit Download

nsqC8C3.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsqC8C3.tmp
Size 3B
SHA256 01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d
MD5 4e27f2226785e9abbe046fc592668860
SHA1 28b18a7f383131df509f7191f946a32c5a2e410c
SHA512 2a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb
MD5 SHA1 SHA512

Submit Download

nsqC8C3.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsqC8C3.tmp
Size 4B
SHA256 65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d
MD5 cde63b34c142af0a38cbe83791c964f8
SHA1 ece2b194b486118b40ad12c1f0e9425dd0672424
SHA512 0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c
MD5 SHA1 SHA512

Submit Download

nsuC584.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsuC584.tmp
Size 35B
SHA256 65dd548600ae0d7d0fd7e126181efd7667b5d02c1ece19742c66ab4f31155c91
MD5 6308721206dbe8d1a8268f3c1b0aea1c
SHA1 8e2d87577161a86714c59df837fc0d5aac0bab5a
SHA512 51d2736cfc59466feb145ade821da741f9d10617c1a358465f49f06f9f1c1246a23cef4f63b6a423f380453d02cbb01d50d75dc5c0f6b11d4f85bf94cdba303d
MD5 SHA1 SHA512

Submit Download

nsuC584.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsuC584.tmp
Size 45B
SHA256 8d563467c54bb057b01f2366722a14e9416510bf4955afa746cbeb2f221312fc
MD5 5bc80a3e025e6d7c0ff9536d7af1c8b1
SHA1 c7dca5ef716161e30829bcfe28b59ec430fdbec0
SHA512 cca0649c6cc7a92de2c46bf64084bce5e0ce44ef5acbdcb7527231d5372d74b0a1b3d0856ecfa0d32a5a0fbf5219df8117b14bec29d513fb55da0d1f25a6ad8b
MD5 SHA1 SHA512

Submit Download

nsuC584.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsuC584.tmp
Size 52B
SHA256 86ecd210e4942095595b70f160ce629c222229b154e64cf97295beb83ade9f63
MD5 ea70cc86528476e4f1225362996952a6
SHA1 93851680188ae3f06e0b419fa5afe38de41b84eb
SHA512 86c4fe02a63c61776b1cda0bca20e87f97a0103d0e9e914e913a5047d2660a804f18a754029f4d1877010d9027968c20107862da56e0033529f9d58a26cde836
TLSH
T1D390025624814654F582C4701B557004E59D302600C544031A4D44485C05052CA0A194
MD5 SHA1 SHA512 TLSH

Submit Download

nsuC584.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsuC584.tmp
Size 60B
SHA256 a8131e5fa3f1e8a7e35a248fb3da529eb2885731ca6687bac3278f53a698850c
MD5 15b80dc3d729ab1abd2b7dd56f15dfbb
SHA1 38f2c2a96b7a3b7a2092956ba1cd28d93f7f44f4
SHA512 43cc514b05da8854292008e536e5860902847998f9d2cfce883aae0d3d5bedbe74db9a55ae1c33933af4f9cef40a103cac49a306f88550109397e96c7dc969fc
TLSH
T1E2A0025635814664FD82C4711B65700CE59D302600C544031A4D44485D05067CA0A5D4
MD5 SHA1 SHA512 TLSH

Submit Download

nsuC584.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsuC584.tmp
Size 69B
SHA256 ab4b36271e68b6e5b546158733c5450e775242021442a40bec4e42838eecca53
MD5 3f9d86b820955195e9467112480c175c
SHA1 c9b53af6ff79125000b5aee2afb33ce6575d4d31
SHA512 ed78bd4b7b9b953bf73b1156872864b68ba1b46b3c2e5d21c56766217ec8b70e6421796a9d31716a94d62d81cf7a2c9f83735ea7c229881d4845c70364b77a17
TLSH
T1A2A00256358156A4FEC2C4711F65700CE59D303700C544032A4D48889D45067CA0B5D8
MD5 SHA1 SHA512 TLSH

Submit Download

nsuC584.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsuC584.tmp
Size 74B
SHA256 d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36
MD5 16d513397f3c1f8334e8f3e4fc49828f
SHA1 4ee15afca81ca6a13af4e38240099b730d6931f0
SHA512 4a350b790fdd2fe957e9ab48d5969b217ab19fc7f93f3774f1121a5f140ff9a9eaaa8fa30e06a9ef40ad776e698c2e65a05323c3adf84271da1716e75f5183c3
TLSH
T1D7A00256368156A4FEC3C8751F65704CE59D313704C644032A4D48C89D45067CE0B5D8
MD5 SHA1 SHA512 TLSH

Submit Download

nsuC584.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsuC584.tmp
Size 7B
SHA256 639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713
MD5 67cfa7364c4cf265b047d87ff2e673ae
SHA1 56e27889277981a9b63fcf5b218744a125bbc2fa
SHA512 17f28a136b20b89e9c3a418b08fd8e6fcaac960872dc33b2481af2d872efc44228f420759c57724f5d953c7ba98f2283e2acc7dfe5a58cbf719c6480ec7a648b
MD5 SHA1 SHA512

Submit Download

nsuC584.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsuC584.tmp
Size 15B
SHA256 769c7c2ec9413a771a2f497862194dfb0200452f3a20f5e1f77ad0b6ae535697
MD5 cf7be2840455491f249648c44a1dc759
SHA1 9863c7f04f9d674365fe23f257ba43447f985e8e
SHA512 83984674c9e337bda5ac88c3b2d0e426fd9051e1585b95ea99b3c569ace50900f811e664da9cf426f080837e2b48a5709003b7e5d25382a1ad90026b40777abd
MD5 SHA1 SHA512

Submit Download

nsuC584.tmp

Path C:\Users\Admin\AppData\Local\Temp\nsuC584.tmp
Size 24B
SHA256 0717d3c2c8ad4b25752e43514cd4352de08c51bb9a8d153beb842dd421677b91
MD5 42e9d16f22a223f11084f22b94b42210
SHA1 7f4dcba6193c831687f6a1cac9b60231be8a6a1a
SHA512 a965c1381a0179e1bb1600fed3065741ebacc8c1e0a73db5d0db4eddbe5a45ec42cbd489a525d5c5151f52188daf367d0740e6555d9e41c1385a2fed4b7a6ec3
MD5 SHA1 SHA512

Submit Download

memory/3456-603-0x00000000042C0000-0x000000000732E000-memory.dmp

Download

memory/3456-604-0x0000000074665000-0x0000000074666000-memory.dmp

Download

memory/3456-605-0x00000000042C0000-0x000000000732E000-memory.dmp

Download

memory/6124-617-0x00000000004D0000-0x00000000017E7000-memory.dmp

Download

memory/6124-618-0x00000000017F0000-0x000000000485E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads