agenttesla | 8407de7798cb0c917515d636e6716bc98ed5574d6e03545af65f11595e55183f

General

Target

e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe
Size

1.2MB
MD5

e80f7f3321785d10e59901b5b45ea9fb
SHA1

f31371d866a24cd58e243b2fd9079671713c7c90
SHA256

8407de7798cb0c917515d636e6716bc98ed5574d6e03545af65f11595e55183f
SHA512

3d81bd86ec451348769934b9f9106c83c5d8cdcd885e9d50378c30f8b4b3b2fefc005ed6695e3e8cffdf735fb2b2402d7b0d678014e1666bc515a3fcbb171522
SSDEEP

12288:ofKCzmB6oMbKAn6wRt+50pt78pUC8an8pUC8aaO3l3EywZNV1dgqauorSMPKb8C3:NooMbKK3Z8N8gO3KPZr1dgcoBHC3H

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.africa-eco-resp.com
Port:
587
Username:
[email protected]
Password:
Hubert@2018

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2320-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4588 set thread context of 2320	4588	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe	93

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 3 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	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3400	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2320	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe
2320	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2320	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 3400	4588	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe	91
PID 4588 wrote to memory of 3400	4588	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe	91
PID 4588 wrote to memory of 3400	4588	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe	91
PID 4588 wrote to memory of 2320	4588	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe	93
PID 4588 wrote to memory of 2320	4588	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe	93
PID 4588 wrote to memory of 2320	4588	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe	93
PID 4588 wrote to memory of 2320	4588	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe	93
PID 4588 wrote to memory of 2320	4588	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe	93
PID 4588 wrote to memory of 2320	4588	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe	93
PID 4588 wrote to memory of 2320	4588	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe	93
PID 4588 wrote to memory of 2320	4588	e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tsymPrAtolkd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD627.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3400
- C:\Users\Admin\AppData\Local\Temp\e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:2320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e80f7f3321785d10e59901b5b45ea9fb_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD627.tmp

Filesize
1KB

MD5
f843555bc59e5a138c0d922419c9e5ba

SHA1
faa3bc5eac5dd7e799c3d9532ace4e08c1b70079

SHA256
62b4ae9ae3d90a9bff3c054458c4b73ad505ab2d88200ffe33bd2138f257e427

SHA512
fcb2d195f062686809d9f7bde09673c078c44ddcbdce92007f76f2951a4401caa7cc2217f70eafe745c5b41b316569b43fdad0d9eb4d1a98a52115c6eee08f5f

Download Submit
memory/2320-26-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2320-25-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2320-24-0x00000000061B0000-0x0000000006216000-memory.dmp

Filesize
408KB

Download
memory/2320-23-0x0000000005440000-0x0000000005458000-memory.dmp

Filesize
96KB

Download
memory/2320-22-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2320-21-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2320-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4588-5-0x0000000004C90000-0x0000000004C9A000-memory.dmp

Filesize
40KB

Download
memory/4588-10-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4588-11-0x0000000000AE0000-0x0000000000B4C000-memory.dmp

Filesize
432KB

Download
memory/4588-9-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/4588-8-0x0000000004E80000-0x0000000004E8A000-memory.dmp

Filesize
40KB

Download
memory/4588-7-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4588-6-0x0000000004E90000-0x0000000004EE6000-memory.dmp

Filesize
344KB

Download
memory/4588-20-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4588-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/4588-4-0x0000000004CA0000-0x0000000004D32000-memory.dmp

Filesize
584KB

Download
memory/4588-3-0x00000000051B0000-0x0000000005754000-memory.dmp

Filesize
5.6MB

Download
memory/4588-2-0x0000000004B60000-0x0000000004BFC000-memory.dmp

Filesize
624KB

Download
memory/4588-1-0x00000000000E0000-0x0000000000210000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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