agenttesla | 2ef9a5215999c03ea03636ae06f8c66b3ed1274153bdaec215a189cd148669b5

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2023 14:31

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General

Target

fordanskningernes hildebrand.exe
Size

684KB
MD5

8db600d5b4168b5d358209fa4b85bd5f
SHA1

d6822e043548fbacd692a14d7dc17250482c43bc
SHA256

2ef9a5215999c03ea03636ae06f8c66b3ed1274153bdaec215a189cd148669b5
SHA512

c2103215579019f69aa3e4adfa2067d90c9189c093c7b065e9693e3d8745f084810e7652dd0e2e6638eecc18344641aaa23460eb2799c3829b73462b08f741ca
SSDEEP

12288:swFGHEDwfu4MFVS/GCFj+an2ry7/hFwz7ylgimtdYM3O0V7bbj:s5HEMfuDDSuCF6an2rg/hF7lgZtub0Vv

Score

10^/10

agenttesla guloader downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.vvspijkenisse.nl
Port:
21
Username:
[email protected]
Password:
playingboyz231

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Haglskadeforsikring\Miljankenvnet.ini	fordanskningernes hildebrand.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1720	msbuild.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1680	powershell.exe
1720	msbuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1680 set thread context of 1720	1680	powershell.exe	105

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\cockling.lnk	fordanskningernes hildebrand.exe
File opened for modification	C:\Program Files (x86)\Kldebonnets.kod	fordanskningernes hildebrand.exe
File opened for modification	C:\Program Files (x86)\Common Files\integraltegnets\substrate.Ski	fordanskningernes hildebrand.exe
File created	C:\Program Files (x86)\cockling.lnk	fordanskningernes hildebrand.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\bagvognen.lnk	fordanskningernes hildebrand.exe
File opened for modification	C:\Windows\Calottes.Doo	fordanskningernes hildebrand.exe
File opened for modification	C:\Windows\bagvognen.lnk	fordanskningernes hildebrand.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1680	powershell.exe
1680	powershell.exe
1680	powershell.exe
1680	powershell.exe
1680	powershell.exe
1680	powershell.exe
1680	powershell.exe
1680	powershell.exe
1680	powershell.exe
1720	msbuild.exe
1720	msbuild.exe
1720	msbuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1680	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	powershell.exe
Token: SeDebugPrivilege	1720	msbuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 1680	1172	fordanskningernes hildebrand.exe	89
PID 1172 wrote to memory of 1680	1172	fordanskningernes hildebrand.exe	89
PID 1172 wrote to memory of 1680	1172	fordanskningernes hildebrand.exe	89
PID 1680 wrote to memory of 1720	1680	powershell.exe	105
PID 1680 wrote to memory of 1720	1680	powershell.exe	105
PID 1680 wrote to memory of 1720	1680	powershell.exe	105
PID 1680 wrote to memory of 1720	1680	powershell.exe	105
PID 1680 wrote to memory of 1720	1680	powershell.exe	105

C:\Users\Admin\AppData\Local\Temp\fordanskningernes hildebrand.exe
"C:\Users\Admin\AppData\Local\Temp\fordanskningernes hildebrand.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Osirify120=Get-Content 'C:\Users\Admin\AppData\Roaming\gregerss\dagbger\Bojanna.Win';$Calvarias=$Osirify120.SubString(53221,3);.$Calvarias($Osirify120)"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
    3⤵
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Rkkens.ini

Filesize
32B

MD5
a8ca1db6ae34f5e5c152094f44f92476

SHA1
9fe0fd4e6907c4f9099d2533c3bade4ffa0968e7

SHA256
1f0dbc97d6570f2f5a1e18f82842c9a0007e568ca8fb768c123637ef5077aad3

SHA512
e48e987e1f8297b17f7fb5b8b34da6131156834310987600b20b0dcff4c43632ccb4b2305030a4a999f783176d480c8300e6aef92afbb2032379eca6dac88b5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hcii5j5q.dmt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\gregerss\dagbger\Bojanna.Win

Filesize
52KB

MD5
b78df76358c01d725b0d9e498d32d595

SHA1
89c5bc6f9d1d1da207899ce0677c24a99329dc70

SHA256
6cacb39cdff332ae98782d33db6fc877a76a8e1e01fa7a0ec9acf45a19cca2ea

SHA512
d7268e8c0e6040515d385835206af5b67c78ec5f6c4bdf7053ec28c00e3dcfdfa318fd03935e989bd856e3614a2ebb2d8bc50e2ecdbe7433b211291b0746cf8d

Download Submit
C:\Users\Admin\AppData\Roaming\gregerss\dagbger\Overfit.Hov

Filesize
270KB

MD5
ec46e3263c35f658579cd1572e57def0

SHA1
18468cb8363e04d8257fd5503cc6350ff7432b88

SHA256
690cdbe972c183ace073bad0f8567a3f2f2f15bf3f31e0e714797fdd68bc4e03

SHA512
d283ea4285dd37379499dc45128449b05b41229149d22819d3b40f80deba233be346741242d6f64f0697562f1fbec5d2818b7d05e0a4d95692246334bca85768

Download Submit
memory/1680-181-0x0000000074070000-0x0000000074820000-memory.dmp

Filesize
7.7MB

Download
memory/1680-153-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/1680-156-0x0000000006000000-0x0000000006066000-memory.dmp

Filesize
408KB

Download
memory/1680-154-0x0000000005760000-0x0000000005D88000-memory.dmp

Filesize
6.2MB

Download
memory/1680-162-0x0000000006070000-0x00000000060D6000-memory.dmp

Filesize
408KB

Download
memory/1680-167-0x00000000062E0000-0x0000000006634000-memory.dmp

Filesize
3.3MB

Download
memory/1680-151-0x0000000074070000-0x0000000074820000-memory.dmp

Filesize
7.7MB

Download
memory/1680-169-0x0000000006720000-0x000000000676C000-memory.dmp

Filesize
304KB

Download
memory/1680-170-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/1680-171-0x00000000076B0000-0x0000000007746000-memory.dmp

Filesize
600KB

Download
memory/1680-172-0x0000000006C10000-0x0000000006C2A000-memory.dmp

Filesize
104KB

Download
memory/1680-173-0x0000000006C30000-0x0000000006C52000-memory.dmp

Filesize
136KB

Download
memory/1680-174-0x0000000007D00000-0x00000000082A4000-memory.dmp

Filesize
5.6MB

Download
memory/1680-194-0x0000000074070000-0x0000000074820000-memory.dmp

Filesize
7.7MB

Download
memory/1680-176-0x0000000008930000-0x0000000008FAA000-memory.dmp

Filesize
6.5MB

Download
memory/1680-152-0x00000000050E0000-0x0000000005116000-memory.dmp

Filesize
216KB

Download
memory/1680-179-0x0000000007BD0000-0x0000000007BD4000-memory.dmp

Filesize
16KB

Download
memory/1680-183-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/1680-168-0x00000000066D0000-0x00000000066EE000-memory.dmp

Filesize
120KB

Download
memory/1680-155-0x0000000005700000-0x0000000005722000-memory.dmp

Filesize
136KB

Download
memory/1680-180-0x0000000008FB0000-0x000000000AB74000-memory.dmp

Filesize
27.8MB

Download
memory/1680-185-0x0000000077CD1000-0x0000000077DF1000-memory.dmp

Filesize
1.1MB

Download
memory/1680-186-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/1680-182-0x0000000008FB0000-0x000000000AB74000-memory.dmp

Filesize
27.8MB

Download
memory/1680-188-0x0000000008FB0000-0x000000000AB74000-memory.dmp

Filesize
27.8MB

Download
memory/1680-197-0x0000000008FB0000-0x000000000AB74000-memory.dmp

Filesize
27.8MB

Download
memory/1720-198-0x0000000020780000-0x00000000207D0000-memory.dmp

Filesize
320KB

Download
memory/1720-191-0x000000006EE70000-0x00000000700C4000-memory.dmp

Filesize
18.3MB

Download
memory/1720-192-0x00000000005B0000-0x0000000002174000-memory.dmp

Filesize
27.8MB

Download
memory/1720-195-0x000000006EE70000-0x000000006EEB0000-memory.dmp

Filesize
256KB

Download
memory/1720-189-0x0000000077D58000-0x0000000077D59000-memory.dmp

Filesize
4KB

Download
memory/1720-193-0x0000000074070000-0x0000000074820000-memory.dmp

Filesize
7.7MB

Download
memory/1720-196-0x00000000201F0000-0x0000000020200000-memory.dmp

Filesize
64KB

Download
memory/1720-190-0x0000000077CD1000-0x0000000077DF1000-memory.dmp

Filesize
1.1MB

Download
memory/1720-187-0x00000000005B0000-0x0000000002174000-memory.dmp

Filesize
27.8MB

Download
memory/1720-199-0x0000000020F50000-0x0000000020FE2000-memory.dmp

Filesize
584KB

Download
memory/1720-200-0x00000000207D0000-0x00000000207DA000-memory.dmp

Filesize
40KB

Download
memory/1720-202-0x00000000005B0000-0x0000000002174000-memory.dmp

Filesize
27.8MB

Download
memory/1720-204-0x0000000074070000-0x0000000074820000-memory.dmp

Filesize
7.7MB

Download
memory/1720-206-0x00000000201F0000-0x0000000020200000-memory.dmp

Filesize
64KB

Download